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HomeMy WebLinkAbout6.4 IKEA Project Attach 6 (1) *). ()Ci II(EA Project Dra.ft ..f)upplemental Environment{4~1 Impact Report SCH#: 2003092076 Lead Agency: City Dublin Prepared By: Jerry Haag, Urban Planner . November 2003 Table of Contents 1.0 Summary of Supplemental Impacts and Mitigations................................. 1-1 2.0 Introduction ............ ............. ............................ .... ...... ...... ........... ...................... 1 2.1 EIR Requirement.. ............ ........................... ...... ........ ................ .............. ....... 1 2.2 Scope of Supplemental EIR.............................. .............................................2 2.3 Legal Basis for Supplemental EIR ................... ............................................. 3 2.4 Organization of Draft Supplemental EIR ....... .............................................4 2.5 DSEIR Review Process ..................................... .............................................4 2.6 Future Environmental Analysis ...................... ............................................. 5 3.0 Project Description. ..... ...... ....... ..... ..... ......... .............. .. .......... ....................... .......... 6 3.1 Project Location and Context........................... ............................................. 6 3.2 Prior Planning Approvals: 1993 Eastern Dublin General Plan Amendment and Specific Plan... ...... ..... ................................................. ................. 6 3.3 Project Entitlement Applications................................................................ 10 3.4 Project Objectives............. .................. .................................. ....................... 11 3.5 Project Characteristics............. .................. ........ ........... ........ ...................... 12 3.6 Future Actions Using This Supplemental DEIR ....................................... 13 4.0 Environmental Analysis ................. .......................... ........... ................................ 27 4.1 Air Quality .......... ................................ ......................... ................. ............... 28 4.2 Biological Resources............... ................. ...................... ....................... ....... 37 4.3 Transportation and Circulation..................................................................52 5.0 Alternatives to the Proposed Project............................................................. 83 5.1 Alternatives Identified in the Eastern Dublin EIR.................................... 83 5.2 Alternatives Identified in this Supplemental :sIlL................................... 84 5.3 Alternative 1: No Project .......... ............... ...... ...... .......... ................. ....... ...... 84 5.4 Alternative 2: No Development ................................................................. 85 5.5 Alternative 3: Reduced Intensity Alternative............................................ 86 5.4 Alternative 4: Mixed Use Development .................................................... 87 5.7 Environmentally Superior Alternative ...................................................... 88 6.0 Required CEQA Discussion........................................................................... 89 6.1 Supplemental Cumulative Impacts............................................................ 89 6.2 Significant and Unavoidable Environmental Impacts ............................. 90 7.0 Organizations and Persons Consulted ......................................................... 91 7.1 Persons and Organizations .............................. ........................................... 91 7.2 References........................... ........ ....................... ..... ..... ................................. 91 8.0 Appendices ................................... ................ ....... .............. ............................. 92 Appendix 8.1...... ................. ............... ..................... ..... ........................................... 93 Appendix 8.2....... ....... ...... ........... ................. ................ ... .................................. ...... 94 Appendix 8.3........ .... ........... ........ ................... ........ ...... .... ........... ............. ............... 95 Appendix 8.4................. .......................... ...... ............... .............................. ............. 96 Appendix 8.5.......... ................. ..................................... .................................. ......... 97 Appendix 8.6....... ............... ................ .......................... ........................................... 98 Appendix 8.7.................... .............................. .............. .................. ................... ...... 99 List of Tables Table 4.1.1-Federal/State Ambient Standards..................................................... 34 Table 4.1.2- Livermore Air Quality 2000-02 ......................................................... 35 Table 4.1.3- Project Regional Emissions ............................................................... 36 Table 4.2.1- Special-status Plant Species............................................................... 48 Table 4.2.2- Special-status Wildlife Species.......................................................... 50 . Table 4.3.1- Existing Peak Hour LOS.................................................................... 70 Table 4.3.2- Baseline Park Hour LOS.................................................................... 71 Table 4.3.3- Vehicle Trip Generation, IKEA Store Surveys................................. 60 Table 4.3.4- Existing, Baseline, Baseline +Project AM Peak Hour LOS ............. 72 Table 4.3.5- Existing, Baseline, Baseline +Project PM Peak Hour LOS.............. 73 Table 4.3.6- Existing, Baseline, Baseline +Project Sat. Peak Hour LOS.............. 74 Table 4.3.7- Buildout with Project+ Campus Office, AM Peak Hour LOS........ 75 Table 4.3.8- Buildout with Project+ Campus Office, PM Peak Hour LOS......... 76 Table 4.3.9- Buildout with Project+ Campus Office, Sat. Peak Hour LOS ........ 77 Table 4.3.10- CMA Trip Generation Assessment................................................. 68 Table 4.3.11- Weekday Average Daily Traffic Forecasts..................................... 68 Table 4.3.12- Year 2025 Mainline Freeeway Operations, AM Peak ................... 78 Table 4.3.13- Existing, Baseline, Baseline +Project PM Peak Hour LOS............ 79 List of Exhibits Exhibit I-Regional Location .................................................................................. 15 Exhibit 2-Site Context.... ..;........... .......... ..................... ..... ....................... ................ 16 Exhibit 3-Site Boundary ............ .............. ........... ........ ............................ .......... ...... 17 Exhibit 4- Aerial Photo. ............................ ................... ................... ......................... 18 Exhibit 5-General Plan/Specific Plan Amendemnt............................................. 19 Exhibit 6- Tentative Parcel Map .............................................................................20 Exhibit 7- Vesting Tentative Parcel Map ............................................................... 21 Exhibit 8-Project Site Plan... ....................... ............................. ........ ....................... 22 Exhibt 9- IKEA Site Plan...... ........................ ............... ..... ......... ................... ........... 23 Exhibit 10- IKEA Elevations .. .............. ......... ........... ...................... .................. ....... 24 Exhibit II-Preliminary Landscape Plan ............................................................... 25 Exhibit 12-Retail Center Site Plan ......................................................................... 26 Exhibit 13-Study Area Intersections ..................................................................... 80 Exhibit 14-Existng Peak Hour Traffic Volumes................................................... 81 Exhibit 15-Buildout Peak Hour Traffic Volumes................................................. 82 00 z o - Eo-< < o - Eo-< - ~ o z < 00 Eo-< U < l:l.< ~ - 1j .... c ..... - ..... s ClJ "'0 .5 "'0 ClJ 00 00 ;j u 00 ;:a ClJ I-< ct$ ..c: u :.E ~ ....:l ~ z ~ ~ z o ~ - > z ~ ....:l < Eo-< Z ~ ~ ~ ....:l l:l.< l:l.< ;:J 00 ~ o >- ~ < ~ ~ ;:J 00 00 c . ot: ..= 0 ct$0-. .~& ..... 6ti "'Oct$ ~S- 00- ....- uJ:! ct$ C S-ClJ ..... 6 .-c s8 c..... 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U t'll ~ .... g .... .... t'll .... ~ ui 0....10: <J:l .S a- ... >. I-< t'll -u ~ a~ o u ... ~-; ~,g It) , ~~ tilE- '<t '(') ....0 CDo g>C\1 Q. Qj .0 E CD > o Z <J:l Q) ~ ::s o <J:l ~ -; u .... bO o - o :s i- :a g. ... .; .S; ::: t'll ... .... -; 6 .... bO ~ -u fa -; .3 >. :1 ~ ,g c:: o U c:: ~ o = :llI: "" o '" t'll l!: < II: jjj co - c CD E CD a a. ~ Cf) 1ij o - c CD E g. .5 iD]5'<t >~(') CDo9 O_C\1 <(00 w>- ~:!:<( _OQ. 2.0 Introduction 2.1 EIR Requirement This Supplemental Environmental Impact Report sup:?lements an earlier Program Environmental Impact Report prepared to address the impacts of the Eastern Dublin General Plan Amendment and Specific Plan, which was adopted by the City of Dublin on May 10, 1993. The purpose of the Eastern Dublin General Plan Amendment and Specific Plan are to regulate land use and development for the Eastern Extended Planning Area of the City of Dublin. This Planning Area encompasses approximately 3,368 acres of land generally located between the 1-580 freeway and the Alameda-Contra Costa County line, east of Camp Parks RFT A to east of Fallon Road. The environmental impacts of the General Plan Amendment and Specific Plan were addressed in the Eastern Dublin General Plan Amendment and Specific Plan Environmental Impact Report, consisting of a Draft EIR, Final EIR, and May 4, 1993 addendum, as certified by the City Council in Resolution 51-93 on May 10, 1993. A second addendum was adopted on August 22, 1994 to update sewer service to Eastern Dublin. The above CEQA documents are referred to collectively in this DSEIR as the "Eastern Dublin EIR" or "EDEIR", and are incorporated herein by reference. The State Clearinghouse Number (SCH) for the Eastern Dublin EIR is 91103064. The IKEA Development Project ("Project") has been proposed on a 27.54-acre property within Eastern Dublin. The Project consists of an IKEA store on the west portion of the property and a separate Retail Center on the east portion of the property, as further described below in Chapter 3.0, Project Description. Related Project applications include a General Plan and Eastern Dublin Specific Plan amendment to change the land use designation from Campus Office to General Commercial, a PD rezoning and Stage 1 and 2 Development Plan, and tentative parcel/vesting tentative parcel maps and development agreement. A Site Development Review application was also submitted for the IKEA portion of the Project. Consistent with the City's practice for projects in Eastern Dublin, the City has prepared an Initial Study to determine if the Project would require additional environmental review beyond that analyzed in the previous EIR. The Initial Study is found in Appendix 8.1. The Initial Study determined that many anticipated impacts of the proposed actions have been adequately addressed in the Eastern Dublin EIR. This is consistent with the comprehensive environmental analysis undertaken as part of the Eastern Dublin EIR with a 20-30 year build-out horizon. Although the Initial Study concluded that the Eastern Dublin EIR adequately analyzed most of the potential environmental impacts of the proFosed Project, it also identified the potential for a number of new significant impacts or potentially intensified impacts beyond those analyzed in the EIR. The City of Dublin has determined that the potential for new and/ or substantially intensified impacts required review at an EIR level and concluded that a Supplemental EIR be prepared. IKEA Draft Supplemental ErR City of Dublin PA 02-034 Page 1 November 2003 Consequently, as required by CEQA, the City prepared and circulated a Notice of Preparation (NOP) to interested public and private parties. A copy of the NOP is included as Appendix 8.2 and responses to the NOP are included in Appendix 8.3. 2.2 Scope of Supplemental EIR Once an EIR is certified for a project, CEQA prohibits Lead Agencies from preparing a supplemental or subsequent EIR except under specific circumstances. According to CEQA Guidelines Section 15162, additional EIR-Ievel review may be required only when substantial changes to the project would cause new or substantially increased significant effects, or when substantial changes in circumstances would result in new or substantially increased significant effects, or when substantial new information shows the project would cause new or substantially increased significant effects, or shows that previously infeasible mitigation measures would now be feasible but the project proponent declines to adopt them. As reflected in the Initial Study (Appendix 8.1), the project proposes urban-intensity non-residential uses. This is substantially the same as analyzed in the Eastern Dublin EIR, although there are potential changes in the requested entitlements for development of the IKEA property that would vary somewhat from the adopted Eastern Dublin General Plan Amendment and Specific Plan. As identified in the Initial Study, there are changed circumstances and new information since certification of the Eastern Dublin EIR that could result in new or intensified significant impacts. These include: 1. The potential for new or newly designated special status biological species to be present on the Project site. 2. Traffic patterns and commuting trends since approval of the 1993 General Plan Amendment and Specific Plan may have substantially increased regional traffic and congestion beyond that identified in the Eastern Dublin EIR 3. The potential for supplemental traffic impacts may also cause related regional air quality impacts. The Initial Study identifies potential impacts to the categories of air quality, biological resources, and transportation for further review in an ElR This Draft Supplemental EIR (nDSEIRn) describes the degree to which the Project's potential impacts to these environmental categories were adequately addressed in the previously certified Eastern Dublin EIR. It further describes the type and extent of potential significant impacts beyond those analyzed in the Eastern Dublin EIR, Where supplemental significant impacts are identified, mitigation measures are proposed to reduce the impacts to a less-than-significant level. CEQA requires that an EIR identify a reasonable range of alternatives, which was done in the Eastern Dublin EIR. One of these alternatives was adopted in modified form in the 1993 Eastern Dublin General Plan Amendment and Specific Plan. However, to address the potential for new and/ or substantially intensified significant impacts, this DSEIR identifies and analyzes two additional alternatives for the Project Site that could avoid or potentially lessen the additional impacts identified in this DSEIR. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 2 November 2003 The Eastern Dublin EIR and this Draft Supplemental EIR together fully identify and assess all of the potentially significant impacts of proposed Project. Any need for additional environmental review for future applications will be determined as appropriate under CEQA and the CEQA Guidelines. The Eastern Dublin EIR is available for review at the City of Dublin Community Development Department, 100 Civic Plaza, Dublin CA 94568. 2.3 Legal Basis for Supplemental EIR Based on the previous analysis in the Eastern Dublin EIR and CEQA Guidelines Sections 15162 and 15163, the City has determined that additional EIR-Ievel review is required and that a Supplemental EIR should be prepared for lhis Project rather than a Subsequent EIR. Subsequent and Supplemental EIRs are similar in procedural and substantive respects. Both types of EIRs build on a previously certified EIR. Both types of EIRs analyze potentially significant changes to a project and/ or environmental circumstances when those changes would result in a new significant impact or would substantially increase the severity of previously identlfied impacts. Both types of EIRs are circulated by themselves, without the previously certified EIR With the above similarities, the choice between a Subsequent and Supplemental EIR is a matter of the degree of additions or modifications to the previous EIR needed to analyze the new or substantially increased significant impact. Both types of EIRs analyze the substantial changes from the previous analysis. Based on the Initial Study prepared for the project, the City has determined that a Supplemental EIR is appropriate for the following reasons: 1. The Project proposes changes to land use types for a 27.5 acre portion of the Eastern Dublin General Plan and Specific Plan area from one non-residential use to another and at similar urban intensities. 2. There are no new impact categories from the previous EIR. All of the potential additions or modifications involve impact cate:~ories that were analyzed in the previous EIR 3. Proposed additions or modifications needed to update the previous EIR do not require a full re-analysis of a particular impact. None of the modifications introduces an entirely new environmental topic r,ot addressed in the previous EIR 4. The proposed Project includes actions explicitly identified in the previously certified EIR as implementing actions. For the above reasons, the City has determined that the current Project does not raise new policy issues as to the type, location, direction OJ' extent of growth. Further, the range of potential impacts identified in the Initial Study is the same range as previously analyzed. Finally, the nature of the potential changes :.dentified in the Project Initial Study requires updating or refinement of the previous EIR analysis, rather than a full re-analysis. Irrespective of the label, and consistent with both Subsequent and Supplemental EIR provision of CEQA Guidelines Section 15162 and 15163, the City will not approve the Project without first certifying an EIE which comprehensively IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 3 November 2003 addresses the potential for significant environmental impacts of the current Project beyond those addressed in the previous EIR. 2.4 Organization of Draft Supplemental EIR This Draft Supplemental EIR ("DSEIR") supplements the "Eastern Dublin EIR, and is organized as follows: . Section 1: Summary Table. This includes a summary of impacts and mitigation measures. . Section 2: Introduction: This section describes the organization of the DSEIR. . Section 3: Project Description. Section 3 describes the proposed Project, project location and project setting. Project Objectives are also described as well as future approvals required to implement the proposed project. . Section 4: Environmental Setting, Impacts and Mitigation Measures. Section 4 includes the impact and mitigation analysis for the Project. Each environmental topic includes existing conditions (the setting); potential supplemental environmental impacts and their level of significance; and mitigation measures recommended to reduce identified significant impacts. . Section 5: Alternatives. This section addresses alternatives to the proposed Project and a discussion of an environmentally superior alternative . Section 6: References. Section 6 includes references used in the preparation of the DSEIR. . Section 7: Report Authors. Section 7 lists the authors of the EIR and organizations and persons consulted as part of the environmental analysis. . Appendices. Contained in the Appendices are the Initial Study (8.1), Notice of Preparation (NOP) (8.2), responses to the NOP (8.3), Resolution No. 53-93 approving the Eastern Dublin EIR, including mitigation findings, overriding considerations and mitigation monitoring program (8.4), a copy of the air quality analysis (8.5), biological reconnaissance (8.6), and a copy of the traffic analysis (8.7). 2.5 DSEIR Review Process The DSEIR will be circulated for public review and comment pursuant to CEQA. Written responses will be prepared to all relevant comments on environmental issues received during the public review period. Public comments and responses will be compiled in a Final Supplemental EIR (FSEIR). After certification, the City will consider the requested Project approvals and make appropriate findings based on the certified SEIR. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 4 NoverTi>er 2003 2.6 Future Environmental Analysis Following certification of this Supplemental EIR, the n:!ed for any additional environmental reviews for future applications would be determined pursuant to the tiering and streamlining provisions of CEQA and the CEQA Guidelines, as appropriate. IKEA Draft Supplemental EtR City of Dublin PA 02-034 PageS November 2003 3.0 Project Description 3.1 Project Location and Context The Project site is located on the north side of the 1-580 freeway, between Hacienda Drive and Arnold Road and south of a new east-west connector road formerly called Digital Drive and renamed to Martinelli Drive south of Dublin Boulevard. Exhibit 1 depicts the location of the Project site in context of the larger City of Dublin and Exhibit 2 depicts the project site in relation to Eastern Dublin. Exhibit 3 shows the property boundary. The topography of the site is relatively flat, but has a distinct slope to the south, towards the 1-580 freeway. Two small structures are located on site and will remain. They are a Zone 7 water facility "turnout" structure located at the southwest corner of the site and a Dublin San Ramon Services District (DSRSD) water chlorination structure, which is immediately adjacent. Exhibit 4 is a recent aerial photo of the Project site. The site is owned by the Alameda County Surplus Prop~rty Authority (ACSP A). IKEA Property Inc. has entered into an agreement to purchase this site from ASCP A. In 1993, the City of Dublin adopted a General Plan Amendment and a Specific Plan, which addressed long-term development of approximately 4,200 acres of land east of the central portion of Dublin. The entire Project site is located in the westerly portion of that General Plan Amendment area. The proposed Project would implement land uses and other programs included in the General Plan and Eastern Dublin Specific Plan to the extent that it proposes urban, non-residential development. At build-out, the Project site was planned for Campus Office land uses, which is similar to the General Commercial designation currently proposed for the Project site. 3.2 Prior Planning Approvals: 1993 Eastern Dublin General Plan Amendment and Specific Plan Eastern Dublin General Plan Amendment In 1993, the City Council approved the Eastern Dublin General Plan Amendment and Specific Plan (hereafter, "Eastern Dublin project"). The approved Eastern Dublin project was a modified version of the original General Plan Amendment (hereafter, "GP A") for a 6,920 planning area generally known as Eastern Dublin. The original GP A proposed to change commercial land use designations on County property in the southwest portion of the GP A area and agriculture/open space designations elsewhere in the planning area to a range of urban uses, as shown on Figure 2-E of the Eastern Dublin Draft EIR. Within the nearly 7,000 acre planning area, a new Eastern Dublin Specific Plan proposed land use policy at a greater level of detail in order to "bridge" general plan policy and individual development projects. Intended for both policy and regulatory use, the Specific Plan addressed 3,328 acres, supplementing the GP A with more detailed land use IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 6 November 2003 designations, policies, programs and regulations. (Eastern Dublin Draft EIR, p. 2-4 hereafter, "DEIR.") The GP A planning area was located east of the City of Dublin. The planning area is characterized by a relatively flat plain along 1-580, whi.ch gives way to rolling foothills and increasingly steep slopes to the northeast. Apart from facilities on County property in the southwest portion of the planning area (former Santa Rita Rehabilitation Center, former u.s. Naval Hospital), the Eastern Dublin proje:t area consisted primarily of open grasslands used for grazing and dry farming, and with scattered residences. (DEIR, p. 2-3.) The original GP A land use plan proposed to replace the undeveloped planning area with a mixed-use urban community. The planning concept is set forth in the following excerpt from the Eastern Dublin EIR. Residential and employment-generating uses will be balanced to enable residents to live near work. Employment-generating use:; include retail, service, office, governmental, research and development ("R and D"), and light industrial. Residential designation [sic] range from Rural Residential to High Density multi- family. Higher density housing has been locate:! near the future BART station and along a key transit corridor. Higher densities hav~ also been located close to commercial centers where the concentration of population will contribute to that center's social and economic vitality. The project provides a full complement of regional office and retail land uses located near freeway interchanges, local-serving commercial centers are envisioned as pedestrian-and transit-oriented nlixed-use concentrations which include retail, service, office, and residential USE'S, and are carefully integrated with surrounding residential neighborhoods. Open space is a major component of the project's land use plan, giving form and character to the urban development pattern. TIle open space concept envisions a community ringed by undeveloped ridgelines. Urban and open space areas will be linked by an open space network structured along enhanced stream corridors. The circulation concept calls for an integrated, multi-modal system that reduces potential traffic impacts by providing area residents with choices for a preferred mode of transportation. (DEIR pp. :~-4, Eastern Dublin Responses to Comments, hereafter, "FEIR" p. 66.) At buildout, the GP A planning area was projected to provide 17,970 new residences, including 2,672 acres designated for Rural Residential WIth a 100 acre minimum parcel size. Approximately 10.6 million square feet of new commercial space, 25 parks on 287 acres, 571 acres of designated open space, and 12 new schools were also planned, all on 6,920 acres of land. (DEIR, p. 2-7.) Buildout was expected to occur over a 20 - 30 year period from the start of construction. (DEIR, p. 2-6, Ea:;tern Dublin Final EIR p. 8.) The major policies of the GP A are summarized on pages 2..9 and 10 of the Eastern Dublin DEIR. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 7 November 2003 Eastern Dublin Specific Plan The Eastern Dublin Specific Plan originally addressed 3,328 acres and now includes 3,301 acres in the western portion of the GP A planning area. Seventy percent of the GP A residential development and 94% of the new commercial space was planned for in the Specific Plan area. (DEIR, p. 2-8.) The land use plan calls for compact villages with residential and neighborhood serving uses. Employment-generating commercial uses are provided along arterials with transit access. (Id.) The major policies of the Specific Plan are set forth on pages 2-10 to 2-14 of the Eastern Dublin DEIR. Eastern Dublin EIR The City of Dublin prepared the programmatic EIR for the Eastern Dublin project based on the original 6,920 acre GP A planning area and land use designations, and 3,328 acre Specific Plan area, both as described above. The EIR also identifies a third component of Project Implementation. (DEIR, p. 2-4.) This component includes "procedural steps ... to be undertaken for full implementation of the [GP A and Specific Plan] Project.. . [including] review and approval of specific development projects." (Id.) The City initiated the Eastern Dublin project in 1988 after several separate development projects were proposed for the area. The goal of the Eastern Dublin project was to provide comprehensive planning for development types, locations and patterns in Eastern Dublin, which would be implemented through future individual development projects. As noted in the Eastern Dublin EIR statement of project objectives, the Eastern Dublin project was intended to preserve visually-sensitive and biologically-sensitive habitat areas, encourage development patterns that sup:?ort transit on local and regional levels, and maintain balanced employment and housing opportunities to reduce traffic congestion and air pollution. (DEIR, p. 2-5.) The Eastern Dublin EIR analyzed the potential environmental effects of adopting and implementing the GP A and Specific Plan project. The Eastern Dublin EIR also analyzed the cumulative effects of the Eastern Dublin project, that is, the project "within the context of regional development." (DEIR p. 5.0-1.) As required by CEQA, the Eastern Dublin EIR includes a list of ongoing and future development projects that, together with the Eastern Dublin project, might "compound subregional (i.e., Tri-Valley) environmental problems." (Id.) Reflecting a surge of development interest at the time, the cumulative projects in Dublin alone included 924 units, plus another 3,133 units on 3,140 acres in Western Dublin, and the potential intensification of uses at Parks RFTA. The Dougherty Valley Specific Plan projected 11,000 units; while the City of Livermore was considering the North Livermore General Plan Amendment with potential a buildout potential between 3,713 and 16,513 units. The various cumulative projects also proposed millions of square feet of non-residential development. The list of cumulative projects from the Eastern Dublin EIR is shown on Figurt: 5-A of that DEIR. Virtually all of the potential new development areas in the list of cumulative projects was undeveloped land, primarily in agriculture and/ or open space uses, as evidenced by the aerial photographs which form the base maps for Figures 2-B and 2-C. As would be expected for a major general plan level project during a time of dramatic development activity, the Eastern Dublin EIR identified many potential significant impacts on both a project (GP A and Specific Plan) level and a cumulative (regional) level. Mitigation measures were proposed and adopted for most of the significant IKEA Draft Supplemental EIR City of Dublin PA 02-034 PageS November 2003 impacts to reduce them to less than significant. The Clty of Dublin would implement some of the mitigation measures directly; examples include but are not limited to adopting a stream corridor restoration program, designating substantial areas within the Eastern Dublin project area as Open Space or Rural Residential where low density development will also provide foraging habitat, and continuing to participate in regional studies of future transportation requirements, improvements and funding. Other mitigations would be implemented through conditions or development st~dards for future development projects; examples include but are not limited to proportionate-share contributions to roadway improvements and transit service extensions. Many of the mitigation measures also included policies and action programs identified in the Eastern Dublin GP A and Specific Plan documents. Even with mitigation, however, some of the identifiec, significant impacts could not be reduced to a less than significant level. Several of the lhese impacts were cumulative level impacts, such as loss of agriculture and open speece, 1-580 and other regional traffic impacts, and air quality impacts. As required by CEQA, the Draft EIR identified project alternatives, including No Project and No Development alternatives, a Reduced Land Use Intensities alternative, and a Reduced Planning Area alternative, and analyzed whether the alternatives would avoid any of the othelwise unavoidable impacts. As further discussed below, the City Council adopted a nodified version of the Reduced Planning Area alternative after certifying the Eastern Dublin EIR as adequate and in compliance with CEQA on May 10, 1993. (Resolution 51-93.) The City Council also certified an Addendum dated May 4, 1993 which asse:,sed the modifications to the Reduced Planning Area alternative and concluded that this alternative "will have no environmental impacts not addressed in the Draft Environmental Impact Report for the Eastern Dublin General Plan Amendment and Specific Plan." (May 4, 1993 Addendum, p. 1.) The Addendum further concluded that no subsequent or supplemental EIR was required under CEQA Guidelines section 15162 or 15163 for approval of the modified alternative. A second Addendum was later prepared. Dated August 22,1994, the second Addendum updated plans for providing sewer services to Eastern Dublin. The May 10, 1993 certified EIR, the May 4,1993 Addendum and the August 22,1994 Addendum are collectively referred to hereafter as the Eastern Dublin EIR, or the "EDEIR" and are incorporated herein by reference. Eastern Dublin Project Approval The Eastern Dublin General Plan and Specific Plan planning process spanned some four years beginning in 1988. The City identified a preferred alternative in 1991 and prepared a draft GP A for the 6,920- acre planning area and a Specific Plan for 3,228 acres in 1992. A Draft EIR was prepared and circulated for public review in August of 1992. After numerous Planning Commission and City Council hearings, the City Council declined to approve the original6,920-acre GP A. Instead, the City Council approved a modified version of the Eastern Dublin EIR's Alternative 2: Reduced Planning Area. (Resolution 53-93, see Appendix 8.4 of this DSEIR.) Alternative 2 reduced the GP A area by 2,744 acres, a nearly 40% reduction in the Eastern Dublin project area. More specifically, Alternative 2 provided for buildout of the Specific Plan area, buildout of the GP A area only within the Dublin Sphere of Influence, IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 9 November 2003 but no annexation and no GP A for Doolan Canyon. (DEIR p. 4-9.) Intended as a "midpoint" between development and environmental concerns, Doolan Canyon would not develop and its current agricultural land uses and rural character would be maintained. The importance of this area's function as a "green" community separator between Dublin, Livermore and the Tassajara Valley would increase as development occurred in eastern Dublin, and North Livermore, and lands east of San Ramon. (Id.) Following certification of the Eastern Dublin EIR and approval of the modified Reduced Planning Area alternative, a lawsuit was filed challenging the validity of the Eastern Dublin EIR. The Court upheld the Eastern Dublin EIR, finding it in compliance with CEQA and the CEQA Guidelines. The City has since implemented the mitigation monitoring program adopted by the Council (Resolutions No. 53-93 and 123-96), as interpreted by the Court's Memorandum of Decision. Copies of the resolution and the Court's Memorandum of Decision may be obtained from the City Clerk. Previous site land use entitlements In February 2001, the City Council approved the Commerce One Project that allowed for the development of a four building, 780,000 square feet campus office complex on the site. In August 2001 Alameda County Surplus Property Authority informed the City that Commerce One was no longer in contract with ASCP A to purchase the site. 3.3 Project Entitlement Applications Overview Project applications considered in this Draft SEIR include a General Plan/Specific Plan Amendment to change the land use designation from "Campus Office" to "General Commercial," a PO-Planned Development Stage 1 and Stage 2 rezoning, Site Development Review for the IKEA store, subdivision maps and a Development Agreement. These are described below. General Plan/Specific Plan Amendment The 27.54-acre project site has been designated for Campus Office land uses in the General Plan and Eastern Dublin Specific Plan. The existing Campus Office land use classification is intended to provide an attractive, campus-like setting for office and other non-retail land uses that do not generate nuisances related to noise pollution, odors or outdoor storage of material. Maximum Floor Area Ratio allowed under the Campus Office designation is 0.25 to 0.80. The requested General Commercial land use designatio::l accommodates a wide range of regional and community serving retail, service and/ or office type uses within floor area ratios between 0.20 to 0.60. Exhibit 5 depicts the proposed General Plan and Specific Plan Amendment requests. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 10 November 2003 PD-Planned Development Rezoning Existing zoning is PD-Planned Development (CampuH Office), reflecting the existing General Plan and Specific Plan land use designations. A request has been filed to rezone the site to PD-Planned Development (General Commercial) with an associated PD Development Plan, which would be consistent with the proposed General Plan and Specific Plan Amendment. The proposed rezoning includes a Stage 1 and Stage 2 PO- Planned Development rezoning to plan for coordinated development of the entire 27.54 acre site, and to establish regulations for the use, development, improvement and maintenance of the site, to be implemented through the Project. Site Development Review (SDR) A Site Development Review (SDR) application has been filed for the IKEA portion of the project site. SDR applications allow for review of project design characteristics, including but not limited to the layout of structures on a site, architectural design of structures, landscaping, provision of parking and related improvements. It is anticipated that a future SDR application will be submitted for the Retail Center portion of the project site. Tentative and Parcel Maps A Tentative Parcel Map has been filed that would subdivide the entire 27.54 acre parcel into two parcels, one for the IKEA site and a second parcel to the east for the proposed Retail Center. The Tentative Parcel Map would be actl~d upon by the Community Development Director with the Final Map approved 1::y the Dublin City Council. Exhibit 6 shows the Tentative Parcel Map for the entire site. Vesting Tentative and Parcel Maps A Vesting Tentative Parcel Map with multiple Parcel Maps would subdivide the IKEA portion of the Project site into four smaller parcels. n.e future owner of the Retail Center may also seek a Vesting Tentative Parcel Map in the future. Vesting Tentative Parcel Map(s) would be acted upon by the Community Development Director. The IKEA Vesting Tentative Parcel Map is depicted on Exhibit 7. Development Agreement The Eastern Dublin Specific Plan requires that developers enter into a development agreement prior to developing property. It is anticipated a development agreement will be required for the Project. The development agreements would serve to "lock in" approved development on the Project site for a specified number of years. 3.4 Project Objectives The objectives of the Eastern Dublin Specific Plan are ~~et forth in the Eastern Dublin EIR. (DEIR p. 2-5.) All of the identified objectives for the E2,Stern Dublin Specific Plan remain objectives of the proposed Project. Additional objectives of the proposed project include the following. · Develop a destination retail experience located on a visually prominent site adjacent to and accessible from the confluence of major regional traffic corridors that carry high volumes of daily commuter and non-commuter traffic. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 11 November 2003 . Develop a flagship IKEA store for the Tri-Valley Area on an immediately developable site of sufficient size within the Project Site. . . Develop the site in a landscaped and "pedestrian-friendly" fashion with restaurants and related leisure services in order to heighten the shopping experience. . Offer a shopping experience that complements the nearby Hacienda Crossings retail center and other retailers in the area by adding to the range of retail and restaurant opportunities available to the shopper in Dublin. . Develop in an area of compatible and complimentary existing and planned land uses. . Provide for greater employment opportunities within the Eastern Dublin Specific Plan and enhanced local revenues for the City of Dublin. 3.5 Project Characteristics The proposed Project involves construction of a retail commercial complex on a 27.54- acre site. The westerly portion of the site would include an IKEA home furnishing facility and the easterly portion of the site would include a Retail Center under separate ownership and management. Exhibit 8 shows the proposed site plan for the project site. These are described below. IKEA facility The westerly 14.34 acres of the site would be devoted to a two-story IKEA home furnishing facility that would sell a wide range of furniture and furnishing products in a 317,000 square foot building. The building would include approximately 217,000 square feet of retail sales, a 21,000 square foot restaurant, 62,000 square feet of warehouse space and 17,000 square feet of office space. The building would be elevated above grade with parking provided under the building at grade. The building would have a roof height of 51 feet and a maximum parapet height of approximately 70 feet and would be oriented eastward, toward the proposed Retail Center. The IKEA store would have a peak employment of 400 employees and would be open to the public seven days per week during the hours of 10:00 a.m. to 9:00 p.m., Monday- Saturday, and 10:00 am through 8:00 pm on Sundays. A total of 1,130 on-site parking spaces would be provided, including 502 open, full size spaces, 567 spaces under the building, 20 handicapped accessible spaces, and 41 customer loading spaces. Landscaping would be provided within setbacks along adjacent streets and within the open parking area. Exhibit 9 shows the proposed site plan for the IKEA portion of the Project site. Exhibit 10 presents the proposed building elevations of the IKEA facility. Exhibit 11 shows the proposed preliminary landscaping plan for the entire Project site. IKEA Draft Supplemen~a1 EIR City of Dublin PA 02-034 Page 12 November 2003 Retail Center The easterly portion of the project site, encompassing 13.2 acres of land, would be devoted to the Retail Center, consisting of multiple buildings totaling 137,000 square feet of floor area. Included within this total would be 27,400 square feet of potential restaurant floor space. A total of 665 parking spaces would be provided to serve the Retail Center. Exhibit 12 shows the proposed site plan for the Retail Center portion of the Project site. The proposed concept for the retail space is a "lifestyle center," which is a specialty retail center with small and medium sized tenants organized like a modified city block with a main street through the center of the project. No specific users or hours of operation have been identified for the Retail Center as of this wIiting. The Retail Center would have a different owner and would be developed separately from the IKEA store. There would be an estimated 400 employees for the Retail Center. Access and circulation Access to both the IKEA and Retail Center developments from Martinelli Way would be provided by one new signalized drive approach and one unsignalized right- only exit drive from the IKEA site. Multiple customer and delivery truck access points would also be provided along Arnold Road, the westerly boundary of the project site. Construction activities and timing IKEA project design, engineering and entitlement processes are currently in progress and are scheduled for completion in late 2003. Project construction for the IKEA Store will require approximately one year to complete. The Retail Center developer plans to submit a Site Design Review application early in 2004 and plans to be under construction later in the same year. Other actions Grading activities would occur on the site to accommodate planned buildings, roads and utility connections. Water, sewer and recycled water services would be provided by Dublin San Ramon Services District (DSRSD) in accord with DSRSD's Eastern Dublin Facilities Master Plan. Sewer service for the project would be accommodated through connection to the existing sewer system owned and maintained by the DSRSD. When and where available, recycled water from DSRSD would be used for irrigation purposes, reducing the need for potable water. The Project would also include placement of onsite bu,iness identification and directional signs. 3.6 Future Actions Using This Supplemental OEm. This Draft SEIR supplements the certified Eastern Dublin EIR pursuant to Sections 15162 and 15163 of the CEQA Guidelines for the following actions related to the proposed Project. . City action on the requested General Plan/Spedfic Plan Amendment IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 13 November 2003 . City action on the PD Rezoning, including Stage 1 and Stage 2 PD rezonings for the proposed IKEA facility and Retail Center . City actions on the Tentative Parcel Map and Vesting Tentative Parcel Map applications . City actions on Site Development Review (SDR) applications for both IKEA and the Retail Center . City actions on a Development Agreement(s) In addition to the above approvals, the DSEIR may also be used by state or regional agencies in their review of other permits required for the Project (e.g. Water Quality Certification or waiver by the Regional Water Quality Control Board under the Clean Water Act). IKEA Draft Supplemental EIR City of Dublin PA 02,034 Page 14 November 2003 o 'c ~ <5 U >- .. ~ iii '" Livermore -~ ~ -< ~ ~ CiS Exhibit 1 REGIONAL LOCATION CITY OF DUBLIN IKEA PROJECT SUPPLEMENTAL ENVIRONMENTAL IMPACT REPORT N ~ A 6 , 8 , 10 miles I o I 2 . 4 , ~ ~. s{:; '6\% ~\u <g,'~t UW "-~ -"- ~\-:a <6\ r ~ E z ~::::i xm w:) ~C CD ~ Zu. - =: C\I Os en - 80 - ;e ::J 0 CD ..c: ~> ~ '0 ~ >< Ot: (3 a... W wO 0.. d~ I a::I: . ! a..t: I 3= . I 0 ) Z ;;;;I1\l ~ f' .\ I ' . I I I . I . I I I \ \ ../? ,,61' , \ \ , \ \ , \ \ , \ , ~~ cr~~ ~~~ ~<D'" ~~o '" z o ..... z <( C/) <( W ...J a.. '" llJ () Cl: "( o llJ lJ.. 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Ow 2 LLa:::= g L.i.j OC.w U ....I '. ~ ><a. .~ I-Wa. 0 -~:l '" tI) O_lJ) ~ '. 4.0 Environmental Analysis Topics Addressed in the DSEIR [Jerry: Check headings-inconsistent in various chapters] This section of the Supplemental DEIR identifies the specific, focused environmental areas identified in the Initial Study as having the poten:ial for new or substantially increased significant impacts. The supplemental impact ueas are discussed individually in subsections 4.1 through 4.3: 4.1 Air Quality 4.2 Biological Resources 4.3 Transportation and Circulation Each topic area is covered in the following manner: A. Environmental Issues An overview of issues related to the topic area. B. Environmental Setting A discussion of existing conditions, facilities, services and general environmental conditions on and around the project sites. C. Impacts and Mitigation Measures from th~ Eastern Dublin EIR S. Supplemental Environmental Impacts An identification and evaluation of whether the potential impacts on the environment identified in the Initial Study, should the Project be constructed as proposed would result in a significant substantially increased rnanner beyond the analysis in lhe Eastern Dublin EIR based on the standards of significance set forth therein. D. Supplemental Mitigation Measures and Impacts After Mitigation An identification of specific efforts and measures which can be incorporated into the project to reduce identified supplemental environmental impacts to a level of insignificance. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 27 November 2003 4.1 AIR QUALITY Air quality was analyzed in Chapter 3.11 of the Eastern Dublin EIR. This supplement to the EIR examines compliance with applicable significance thresholds, utilizes updated methods of analysis, and is based on current traffic fo:recasts that reflect changes in roadway improvements and travel patterns that have occurred since certification of the Eastern Dublin EIR. This supplement also examines cha'1ges in the regulatory standards since the Eastern Dublin EIR. ENVIRONMENTAL SETTING The project is within the Livermore-Amador Valley. The Livermore-Amador Valley forms a small sub-regional air basin distinct from the :.arger San Francisco Bay Area Air Basin. The Livermore-Amador Valley air basin is surrounded on all sides by high hills or mountains. Significant breaks in the hills surrounding the air basin are Niles Canyon and the San Ramon Valley, which extends northward into Contra Costa County. The terrain of the Livermore-Amador Valley influences both the climate and air pollution potential of the sub-regional air basin. As all inland, protected valley, the area has generally lighter winds and a higher frequency of calm conditions when compared to the greater Bay Area. The occurrence of episodes of high atmospheric stability, known as inversion conditions, severely limits the ability of the atmosphere to disperse pollutants vertically. Inversions occur during all seasons in the Bay Area, b-~t are particularly prevalent in the summer months when they are present about 90% of the time in both rnoming and afternoon. According to the Bay Area Air Quality Management District, air pollution potential is high in the Livermore Valley, especially for ozone in the summer and fall (BAAQMD, 1999). High temperatures increase the potential for ozone, and the valley not only traps locally generated pollutants but also can be the receptor of ozone and ozone precursors from upwind portions of the greater Bay .Area. Transport of pollutants also occurs between the Livermore Valley and the San Joaquin Valley to the east. During the winter, the sheltering effect of terrain and :.ts inland location results in frequent surface-based inversions. Under these conditions, pollutants such as carbon monoxide from automobiles and particulate matter generated by fireplaces and agricultural burning can become concentrated. IMPACTS AND MITIGATIONS FROM THE EASTERN DUBLIN EIR The Eastern Dublin EIR identified significant impacts :~e1ated to construction, mobile source and stationary source emissions (Impacts 3.11/A, B, C, E). Mitigation measures were adopted to control construction dust and exhaust emissions, and to minimize mobile and stationary source emissions through, among other things, cooperative transportation and air quality planning and transportation demand management. All mitigation measures adopted upon approval of the Ecstern Dublin GP A/SP continue to apply to implementing actions and projects such as the proposed project. Even with IKEA Draft Supplemental EIR Page 28 City of Dublin November 2003 PA 02-034 mitigation, however, significant cumulative construction, mobile source and stationary source impacts rernained. (Impacts 3.11A, 3.llB, 3.11C, and 3.11E). Upon approval of the Eastern Dublin GP A/SP, the City adopted a Statement of Overriding Considerations for these significant unavoidable impacts. (Resolution No. 53-93.) SUPPLEMENTAL IMPACTS AND MITIGATION MEASURES The proposed Project would change land uses and development intensity from those analyzed in the Eastern Dublin EIR. The project would bcrease daily traffic generation over that assumed in the Eastern Dublin EIR. Since preparation of the Eastern Dublin EIR there have been several regulatory changes and methods for air quality analysis as well as applicable thresholds of significance have changed. Pursuant to CEQA Guidelines section 15162 and 15163, this supplement assesses whether new or intensified air quality impacts will result from increased regional traffic and changed regulatory standards. Current Ambient Air Quality Standards. The federal and California ambient air quality standards are summarized in Table 4.1.1 for important pollutants These standards have changed since certification of the Eastern Dublin EIR in 1993, becoming more stringent. The federal and state ambient standards were developed independently with differing purposes and rnethods, although both federal and state standards are intended to avoid health-related effects. As a result, the federal and state standards differ in some cases. In general, the California state standards are more stringent. This is particularly true for ozone and PMIO' The U.s. Environmental Protection Agency established new national air quality standards for ground-level ozone and for fine particulate matter in 1997. The existing 1- hour ozone standard of 0.12 PPM microns or less) is to be phased out and replaced by an 8-hour standard of 0.08 PPM. Implementation of the 8-hour standard was delayed by litigation, but was determined to be valid and enforceable by the U. S. Suprerne Court in a decision issued in February of 2001. However, the new federal ozone standard is not yet in effect pending final resolution of this litigation and adoption of implernenting regulations. In 1997 new national standards for fine Particulate Matter (diameter 2.5 microns or less) were adopted for 24-hour and annual averaging periods. The current PM10 standards were to be retained, but the method and form for determining compliance with the standards were to be revised. Implementation of this standard was delayed by litigation and will not occur until the U. S. Environmental Protection Agency has issued court- approved guidance. The State of California regularly reviews scientific literature regarding the health effects and exposure to PM and other pollutants. On May 3, 2002, the California Air Resources Board (CARB) staff recommended lowering the level of the annual standard for PMIO and establishing a new annual standard for PM2.5 (particulate matter 2.5 micrometers in diameter and smaller). The new standards became effective on July 5, 2003. In addition to the criteria pollutants discussed above, Toxic Air Contaminants (TACs) are another group of pollutants of concern. Toxic Air Contaminants (TACs) are IKEA Draft Supplemental EIR Page 29 City of Dublin November 2003 P A 02-034 injurious in srnall quantities and are regulated despite the absence of criteria documents. The identification, regulation and monitoring of TACH is relatively recent compared to that for criteria pollutants. Current Air Quality. The project is within the nine-county Bay Area Air Basin. The Bay Area Air Quality Management District (BAAQMD) operates a network of air quality monitoring sites in the region. The closest to the site u; located in central Livermore on Old First Street. Table 4.1.2 shows a summary of air quality data for this monitoring site for the period 2000-2002. Data are shown for ozone, carbon monoxide, PMlO, and nitrogen Table 4.1.2 shows that concentrations of carbon monoxide and nitrogen dioxide at the Livermore monitoring site meet state/federal standards. Ozone concentrations exceed both the state and federal standards, and exhibit wide variations frorn year-to-year related to meteorological conditions. Years where the summer rnonths tend to be warmer than average tend to have higher average oz:me concentrations while years with cooler than average temperatures tend to have lower average ozone concentrations. Levels of PMlO and PM2.5 at Livermore meet the federal ambient standards but exceed the more stringent state standards. Attainment Status. The federal Clean Air Act and the California Clean Air Act of 1988 require that the California Air Resources Board (CARB), based on air quality monitoring data, designate air basins within the state where the federal or state ambient air quality standards are not met as "non-attainment areas." Because of the differences between the federal and state standards, the designation of non-attainment areas is different under the federal and state legislation. In 1995, after several years of minimal violations of the federal one-hour ozone standard, the U.S. Environmental Protection Agency (BFA) revised the designation of the Bay Area Air Basin from "non-attainment" to "attanment" for this standard. However, with less favorable rneteorology in subsequent years, violations of the one-hour ozone standard again were observed in the ':Jasin, particularly at the Livermore rnonitoring station. Effective August 1998, the EP A downgraded the Bay Area's classification for this standard from a "maintenance" area to an "unclassified non-attainment" area. Also in 1998, after many years without violations of any carbon monoxide (CO) standards, the attainment status for CO was upgraded to "attainment." The San Francisco Bay Area Air Basin is currently non-attainment for ozone (state and federal ambient standards) and PM10 (state ambient standard). While air quality plans exist for ozone, none exists (or is currently required) for PM10. The Revised San Francisco Bay Area Ozone Attainment Pian for the I-Hour l\iational Ozone Standard (BAAQMD, 2001) is the current ozone air quality plan required under the federal Clean Air. The state-mandated regional air quality plan is the Bay Area 2000 Clean Air Plan (BAAQMD, 2000). These plans contain mobile source controls, stationary source controls and transportation control measures to be implemented in the region to attain the state and federal ozone standards within the Bay Area Air Basin. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 30 November 2003 Standards of Significance. The BAAQMD has revised recommended thresholds of significance since publication of the Eastern Dublin EIR (BAAQMD, 1999). The document, BAAQMD CEQA Guidelines was published subsequent to the publication of the Eastern Dublin ElR. These guidelines provided recommended mitigation practices during construction based on the size of the project and expanded recommended mitigations for operational impacts of commercial projects. BAAQMD CEQA Guidelines establishes the following impact criteria: · A significant impact on local air quality is defined as an increase in carbon monoxide concentrations that causes a violation .)f the most stringent ambient air quality standard for carbon monoxide (20 ppm for the one-hour averaging period, 9.0 ppm for the eight-hour averaging period). · A significant impact on regional air quality is defined as an increase in emissions of an ozone precursor or PM10 exceeding the BAAQMD thresholds of significance. The current significance thresholds are 80 pounds per day (or 15 tons/year) for ozone precursors or PM10. · Any proposed project that would individually have a significant air quality impact would also be considered to have a significant cumulative air quality impact. · Any project with the potential to frequently expose members of the public to objectionable odors would be deemed to have a significant impact. · Any project with the potential to expose sensitive receptors or the general public to substantial levels of toxic air contaminants would be deemed to have a significant impact. Despite the establishment of both federal and state standards for PM2.5 (particulate matter, 2.5 microns), the BAAQMD has not developed a threshold of significance for this pollutant. For this analysis, PM2.5 impacts would be considered significant if project emissions of PMIO exceed 80 pounds per day. The current BAAQMD significance threshold for construction dust impact is based on the appropriateness of construction dust controls. The BAAQMD guidelines provide feasible control measures for construction emission of PMlO. H the appropriate construction controls are to be implemented, then air pollutant emissions for construction activities would be considered less-than-significant. Supplemental Impact AQ-l: Construction activities would have the potential to cause nuisance related to emission of dust and PM10. The current BAAQMD significance threshold for construction dust impact is based on the appropriateness of construction dust controls. H the appropriate construction controls are to be implemented, then air pollutant emissions for construction activities would be considered less-than-significant. Mitigation Measure MM 3.11/1.0 in the East Dublin EIR implements most, but not all, of the currently recommended measures. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 31 November 2003 SM-AQ-1: In addition to measures identified in MM 3.11/1.0 of the East Dublin EIR, the City of Dublin shall: a. Require construction contractors to water or cover stockpiles of debris, soil, sand or other materials that can be blown by the wind. b. Require construction contractors to sweep daily (preferably with water sweepers) all paved access road, parking areas and staging areas at construction sites. c. Require construction contractors to install sandbags or other erosion control measures to prevent silt runoff to public roadways. According the current BAAQMD CEQA guidelines, irrplementation of these mitigation measures would reduce construction period air quality impacts to a less-than- significant level. Supplemental Impact AQ-2: Project emission increasE' that would exceed the BAAQMD significance thresholds for ozone precursors. Vehide trips generated by the Project would result in clir pollutant emissions affecting the entire San Francisco Bay Air Basin. The Project's ccntributions to regional emissions associated with project vehicle use have been calculated using the URBEMI5-2002 emission model. (Note: this is also a cumulative impact, see Supplemental Impact AQ-3.) The incremental daily emission increase associated with Project operational trip generation is identified in Table 4.1.3 for reactive organic gases and oxides of nitrogen (two precursors of ozone) and PM10. The Bay Area Air Quality Managernent District's thresholds of significance for these pollutants are also shown. Proposed Project emissions shown in Table 4.1.3 would exceed these thresholds of significance for ROG and NO", so the proposed project would have a significant effect on regional ozone air quality. SM-AQ- 2: In addition to measures identified in MM 3,11/5.0-11.0 of the East Dublin EIR, the City of Dublin shall require that the following be implemented as part of the Transportation Dernand Management program for thl~ proposed project: a. Provide transit facilities, e.g., bus bulbs/turnou:s, benches, shelters, etc. b. Provide bicycle land and/or paths, connected to community-wide network. c. Provide sidewalks and/or paths, connected to adjacent land uses, transit stops, and/ or community-wide network. d. Provide secure and conveniently located bicycle storage. e. Provide preferential parking for electric or alternatively-fueled vehicles. f. Provide conduit for potential electrically powerl~d vehicle charging station. g. Implernent feasible TDM measures including a ride-matching program. coordination with regional ridesharing organizahons and provision of transit information to the extent allowed by law. Implementation of the mitigation measures in the Eastern Dublin EIR (Mitigation Measures 3.11 /5.0-11.0 together with the above measures will not achieve the 30% reduction in Project-related emissions that would be needed to reduce emissions below IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 32 November 2003 the BAAQMD thresholds of significance. Ozone air quality impacts would remain significant and unavoidable. Supplemental Impact AQ-3: Exceedances of the BAAQMD thresholds of significance for ozone precursors, resulting in a significant cumulative impact. According to BAAQMD significance criteria, any proposed project that would individually have a significant air quality impact would also be considered to have a significant cumulative air quality impact as well. Since the proposed Project, after mitigation, would exceed the BAAQMD thresholds of significance for Reactive Organic Gases and Nitrogen Oxides, both of which are ozone precursors (see Supplemental Impact AQ-2), the Project would have a significant cumulative impact on regional air quality. SM-AQ-3: Same as Supplemental Mitigation AQ-2. Supplemental Impact AQ 4: The Project would change traffic volumes and congestion levels, changing carbon monoxide concentrations. On the local scale, the Project would change traffic on the local street network, changing carbon monoxide levels along roadways used by Project traffic. Carbon monoxide is an odorless, colorless poisonous gas whose primary source in the Bay Area is automobiles. Concentrations of this gas are highest near intersections of major roads. New vehicle trips add to carbon monoxide concentrations near streets providing access to the site. The Bay Area Air Quality Managernent District's BAAQMD CEQA Guidelines recommends estimation of carbon monoxide concentrations for projects where project traffic would impact intersections or roadway links operating at Level of Service D, E, or F or would cause Level of Service to decline to D, E, or F. The analysis of intersection Level of Service (LOS) prepared for the Project found that, of the 18 signalized intersections studied, only two would operate at LOS D or worse before addition of project traffic in either the AM or PM peak traffic hour. However, the Project would not change intersection operations at one of the two intersections (1-580 Eastbound offrarnp /Hopyard Road) and would actually improve the LOS at the other intersection (Dublin Boulevard/Dougherty Road). Therefore, the BAAQMD threshold trigger level for estimating carbon monoxide modeling of concentrations would not be exceeded, resulting in a less-than-significant impact. Considering that the proposed Project is in an attainment area for carbon monoxide (the state and federal ambient standards are rnet) and that Dublin has relatively low background levels of carbon monoxide compared to other parts of the Bay Area and that Levels of Service at intersections affected by Project traffic would remain relatively good, the Project would have a less-than-significant impact on local carbon monoxide concentrations. IKEA Draft Supplemental EtR City of Dublin PA 02-034 Page 33 November 2003 Table 4.1.1. Federal and State Ambient Air Quality Standards Pollutant Averaging Fl!deral State Time Plimary Standard St~mdard Ozone I-Hour 0.12 ppm 0.09 ppm 8-Hour 0.08 DDm -- Carbon Monoxide 8-Hour 9.0 ppm 9.0 ppm I-Hour 35.0 DDm 20.0 ppm Nitrogen Dioxide Annual 0.05 ppm -- I-Hour -- 0.25 ppm Sulfur Dioxide Annual 0.03 ppm -- 24-Hour 0.14 ppm 0.05 ppm I-Hour -- 0.25 ppm PM10 Annual 3 20ug/m 3 24-Hour 50 ug/m 3 3 150 ug/m 50 ug/m PM2.5 Annual 3 3 24-Hour 15 ug/m 12 ug/m 3 -- 65 ug/m Lead 30-Day Avg. -- 3 3-MonthAvg. 3 1.5 ug/m 1.5 ug/m -- ppm = parts per million uglm3 = Micrograms per Cubic Meter Source: Donald Ballanti IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 34 November 2003 Table 4.1.2. Air Quality at Livermore Monitoring Site, 2000-2002 Pollutant Standard Davs Standard Exceeded Durin~: 2000 2001 2002 Ozone Federal I-Hour 1 0 2 Ozone State I-Hour 7 9 10 Ozone Federal 8-Hour 2 2 6 PM 10 Federal 24-Hour 0 0 0 PM 10 State 24-Hour 2 3 0 PM2.5 Federal 24-Hour 0 1 0 Carbon State/Federal 0 0 0 Monoxide 8-Hour Nitrogen State I-Hour 0 0 0 Dioxide Source: CARB, 2003 IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 35 November 2003 Table 4.1.3. Project Regional Emissions in :Pounds Per Day Reactive Nitrogen PM10 Organic Oxide s Gases Project 115.2 104.9 71.6 BAAQMD Significance 80.0 80.0 80.0 Threshold Source: Donald Ballanti IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 36 November 2003 4.2 BIOLOGICAL RESOURCES Biological Resources were analyzed in Chapter 3.7 of the 1993 Eastern Dublin EIR. This DSEIR is a project-level environmental impact report. It is intended to supplement the Eastern Dublin EIR with respect to the Project site. This DSEIR also examines potential habitat types that were not previously anticipated to occur in the Project area and regulatory changes since certification of the Eastern Dublin EIR which have resulted in the identification of new sensitive species not addressed in the Eastern Dublin EIR The potential for supplemental impacts with respect to the IKEA Project was assessed by the firm of LSA Associates in September, 2003. A copy of the LSA report is located in Appendix 8.6 of this DSEIR. ENVIRONMENTAL SETTING Project site characteristics The Project site occurs in a wide expanse of open field along the southerly boundary of the Eastern Dublin project area. The Project site was previously developed for a U.S. military facility, which has since been removed. Property immediately east of the site has been developed for a retail commercial project, known as Hacienda Crossings. North of the site and north of Dublin Boulevard, property has been developed for a major office complex by Sybase. Properties west of the Project site are partially fallow and partially developed with a surface parking for a BART station. The Project site itself is relatively flat with a gentle slope from north to south. No unique topographic features or trees are located on the site. Project area habitat types and locations The Eastern Dublin ErR identified the Project site as containing non-native grassland. This vegetation type supports a wide array of native and non-native grasses and herbs. Characteristic introduced grass species include slender wild oat (Avena barbata), ripgut grass (Bromus diandrus), soft chess (Bromus mollis), farmer's foxtail (Hordeum leporinum), and rattail fescue (Vulpia myuros). Occasional stands of the native bunchgrass, nodding stipa (Nasella pulchra), were observed on the north-facing slopes of some of the rolling hills. Special status species Special status plants and wildlife with potential to occur on the Project site are described below and summarized in Tables 4.2.1 and 4.2.2. The descriptions also include information from background research and studies conducted since certification of the Eastern Dublin ErR. Special status species: botanical The Eastern Dublin ErR evaluated 12 special-status plants. Of those 12 species, the great valley gurnplant is no longer listed as a California Native Plant Society (CNPS) rare plant species and is therefore not considered in this Supf'lement. Based on a review of IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 37 November 2003 the California Natural Diversity Data Base (CNDDB 2(00) and the CNPS (2001) for this Supplement, 13 special status plant species not addressed in the Eastern Dublin EIR may have sorne potential to occur on the IKEA Project site. This potential is based on suitable habitat present onsite and/or proximity to known occurrences in the area. These additional species include two rare plants, the San Joaquin spearscale (Atriplex joaquiniana) and Congdon's tarplant (Hemozonia parryi ssp. congdonii). The Livermore tarplant (Deinandra bacigalupiz) is a newly described rare plant species that has been observed in two areas in Alameda County. Alkali gra~.slands throughout the Eastern Dublin area provide potentially suitable habitat for thi5 new species (CNPS 2000). Based on reported occurrences of these species near the Project site, these special-status species may occur on the Project site and have been evaluated in this DSEIR (see LSA report, Appendix 8.6). Based on previous biological surveys conducted in the Eastern Dublin area, the following plant species may occur on the Project site: big-scale balsamroot (Balsamorhiza macrolepis var. macrolepis), large-flowered fiddleneck (Amsinckia grandiflora), San Joaquin spearscale (Atriplex joaquina), Mt. Diablo manzanita (Arctostaphylos auriculata), Mt. Diablo fairy-lantern (Calochortus puIchelIus), hispid bird's- beak (Cordylanthus moIlis ssp. hispidus), palmate-bracted bird's beak (Cordylanthis palmatus), Congdon's tarplant (Centromadia parryi ssp. Congdonii), Livermore tarplant (Deinandra bacigalupii), round-leaved filaree (Erodium m.acrophylIum), diarnond-petaled California poppy (Eschscholzia rhombipetaIa), Diablo hehanthella (HelianthelIa castanea), Brewer's western flax (Hesperolinon breweri), saline clover (Trifolium depauperatum var. hydrophilum), heartscale (Atriplex cordulata), brittlescale (Atriplex depressa), and alkali milk-vetch (Astragalus tener var. tener), based on available habitat. Botanically sensitive h.abitats The alkali grasslands habitat type within the Eastern Dublin area is described above. It is not recognized by the CDFG Natural Diversity Database (CNDDB 2000a) as rare and declining in the state. No alkali grasslands are found on the IKEA site. Special-status species: wildlife The Eastern Dublin EIR evaluated 27 special-status wildlife species. Fifteen of these species still have state or federal special status, as iden1ified in Table 4.2.2. Nine of these species no longer have state or federal special status, (or there is no suitable habitat on the IKEA Project site. These species include American badger, Ricksecker's water scavenger beetle, curved-foot hygrotus diving beetle, bay checkerspot butterfly, Callippe silverspot butterfly, Bridges' coast range shoulderband, San Francisco forktail damselfly, Lum's micro-blind harvestman and Califomia linderiella. Four new species have been given state and/ or federal special status since the Eastern Dublin EIR was certified: white-tailed kite, Ferruginous hawk, loggerhead shrike and California homed lark. These species will not be addressed further in tlili; Supplernent as discussed below. The following wildlife species identified as possibly oo:urring in the Eastern Dublin area are also not addressed in this Supplemental EIR based on lack of suitable habitat on the IKEA project site and failure to observe such species during the field observation conducted by LSA Associates as part of this environmental document: California homed lizard, bald eagle, peregrine falcon, prairie falcon, sharp-shinned hawk, Cooper's hawk, short-eared owl and Bridges' coast ran.ge shoulderband. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 38 November 2003 Threatened and Endangered Wildlife Species Invertebrates. The Eastern Dublin EIR identified potentially significant impacts for special status invertebrates such as the longhorn fairy shrimp and the vernal pool fairly shrimp. Since then, these species as well as the conservancy fairy shrimp and the vernal pool tadpole shrimp have become federally-listed as Endangered under the Endangered Species Act (ESA). These species live within strict habitat requirements, and can be found in vernal pools and other small seasonal bodies of water that allow the appropriate desiccation of the cysts (eggs). Vernal pool fairy shrimp have been reported approximately six, seven and 13 miles east of the Project site (CNDDB 2000). Longhorn fairy shrimp have been reported approximately nine and ten miles east of the Project site (CNDDB 2000). No such habitat exists on the IKEA Project site. California Red-Legged Frog (Rana aurora draytonii). The Eastern Dublin EIR identified impacts to the California red-legged frog (CRLF) as potentially significant (1M 3.7/F). Since certification of the Eastern Dublin EIR, CRLF has been federally listed as Threatened under the ESA. In addition, on March 13, 2001 the U.S. Fish and Wildlife Service (USFWS) designated critical habitat for CRLF. The Project site was included within the designated critical habitat. This decision was reversed in November 2002 and is no longer in effect. The USFWS published a draft Recovery Plan for the CRLF in January 2000. The Project site is located within the Mt. Diablo core area Unit 23 (Draft Recovery Plan for the CRLF (USFWS 2000a). The CRLF is a California species of special concern. Additional surveys conducted between 1993 and 2000 detected CRLF in several locations throughout the Eastern Dublin planning area and adjacent to the Project site (H.T. Harvey and Associates 2000b). Seventeen reported CRLF observations within five miles of the GP A/SP area encompassed by the Eastern Dublin EIR were reported between 1981 and 1997 (CNDDB 2000). Specific locations of frogs, especially along linear waterways, vary from year to year, and season to season, as habitat quality and availability fluctuate. On the IKEA Project site itself, the potential for the presence of CRLF is considered low due to absence of wetlands and other bodies of water. Alameda Whipsnake (Masticophus lateralis em:yxanthus). The Eastern Dublin EIR . identified impacts to Alameda whipsnake as less than significant due to the lack of suitable habitat (1M 3.7 IE). Since certification of the Eastern Dublin EIR, the Alameda whipsnake has been Federally-listed as Threatened under the ESA. The species has been listed as Threatened under the California Endangered Species Act since 1971. In October 2000, the USFWS designated critical habitat for this species, however, the project area does not occur within the designated critical habitat. This designation was voided in May, 2003. Primary habitats for Alameda whipsnake include east, southeast, south and southwest facing slopes containing coastal scrub and chaparral, with rock outcrops (Eastern Dublin Property Owner SEIR, 2002). Several observations north of the Eastern Dublin area have been reported between 1972 and 1999. However, appropriate habitat does not occur in Eastern Dublin, including the IKEA Project site. Based on the above information, this species is not considered to occur on the project site. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 39 November 2003 Peregrine Falcon (Falco peregrinus anatum). The Eastern Dublin EIR identified impacts to peregrine falcon as insignificant due to the lack of appropriate habitat (lM 3.7 IE). Since certification of the Eastern Dublin EIR this specie:; was federally de-listed (August 25,2000) but remains state-listed as Endangered. Historic nesting locations are known from the region north of the Eastern Dublin area. PerE~grine falcons have been reintroduced to these historic sites on Mt. Diablo and are known to be nesting on Mt. Diablo (Sproul, pers. comm.). The Project site does not contain suitable cliffs for nesting and does not represent important foraging habitat for the peregrine falcon. Bald Eagle (Haliaeetus leucocephalus). Since certification of the Eastern Dublin EIR, the bald eagle was reclassified from federally Endangered to Threatened. It remains state- listed as Endangered, as identified in the Eastern Dublin EIR. The bald eagle also is protected under the federal Bald Eagle Protection Act. The historic breeding range of the bald eagle in California extended from southern coastal areas through much of the central and northern portions of the state. Bald eagles nest approximately 12 miles southeast of the Project site at Lake Del Valle (CNDDB 2000). The Project site does not provide suitable nesting habitat for bald eagles because there are no appropriate cliffs or trees for nesting and no foraging habitat. Several birds are known to winter in the Altamont area and thus rnay occasionally pass through the Project site. San Joaquin Kit Fox (Vulpus macrotis mutica). The Eastem Dublin EIR identified impacts to the kit fox as potentially significant (IM 3.7/D). The Satl Joaquin kit fox remains federally-listed as Endangered and state-listed as Threatened. Since certification of the Eastern Dublin EIR, the USFWS has updated its recommendations for survey protocols and protection measures (USFWS 1997 and 1999). A number of surveys for kit fox have been conducted in the Eastern Dublin area (H.T. Harvey & Associates 1997a) and the adjacent North Livermore Valley (H.T. Harvey & Associates 1997b). None of these surveys detected kit J:ox with the exception of a single kit fox detected on two separate nights while spotlighting approximately 7 miles east of the IKEA Project site and five miles north of the Project site in Contra Costa County on Morgan Territory Road. Despite more intense efforts to detect kit fox in the E~;tern Dublin and North Livermore Valley areas since 1997, none has been detected. Based on negative results within the Eastern Dublin area and the surrounding areas, kit fox appear to be absent from the Eastern Dublin area (see analysis presented in H.T. Harvey & Associates 1997c). Several surveys of San Joaquin kit fox have been conducted in the Eastern Dublin area, as noted above. No kit fox or sign of kit fox presence has been detected during these surveys and there are no verified incidental observations of kit fox in the Eastern Dublin area. The likelihood of lit fox presence on the IKEA Project site is very low, given the amount of surrounding development, the disturbed nature of the site and lack of burrows, IKEA Draft Supplemental EIR City of Dublin P A 02-034 Page 40 November 2003 Federal candidates proposed for listing - wildlife species California Tiger Salamander (Arnbystoma californiense). The Eastern Dublin EIR identified impacts to the California tiger Salamander (CTS) as potentially significant (IM 3.7/G). The crs is a candidate for listing under the ESA. No CTS have been observed on the site; no suitable CTS habitat is present on the IKEA Project site, and no potential breeding ponds occur on or near the Project site, an no potential breeding ponds occur on or near the Project site. California Species of Special Concern and Other Special-Status Wildlife Species Western Pond Turtle (Clenunys marmorata). The Eastern Dublin EIR identified impacts to the western pond turtle as potentially significant (3.7/H). Since certification of the Eastern Dublin EIR, western pond turtle was removed from the federalist of candidate species. It is a California Species of Special Concern, as identified in the Eastern Dublin EIR, this species also is protected under California Fish and Game Code Section 5050. Western Pond turtle species are not present on the Project site primarily due to lack of suitable aquatic habitat. California Homed Lizard (Ph1:ynosoma coronatum frontale). The Eastern Dublin EIR identified impacts to the California homed lizard as insignificant due to the their extensive distribution (3.7/R). Since certification of the Eastern Dublin EIR, the homed lizard has been included as a fully protected species under the California Fish and Game Code. Homed lizards have been documented approximately 11 and 12 miles south and approximately 15 miles east of the Project site (1994) (CNDDB 2000). Marginal habitat for the lizard probably occurs on portions of the Project site. However, the California horned lizard is unlikely to occur on the Project site based on the marginality of on-site habitat and the lack of contiguity with occupied habitat off-site. Northern Harrier (Circus ~aneus). The Eastern Dublin EIR identified impacts to the Northern Harrier as potentially significant due to the potential loss of habitat (3.710). Marginally suitable foraging habitat occurs in the grassland portions of the Project site. However, the potential for occurrence of this species on the Project site is considered low. Burrowing Owl (Athene cunicu1aria hypugea). The Eastern Dublin EIR identified impacts to the burrowing owl as potentially significant (IM 3.7/M). In addition to being a California Species of Special Concern, as indicated in the Eastern Dublin EIR, this species is protected under the federal Migratory Bird Treaty Act and Fish and Game Code Section 3503.5. Since certification of the Eastern Dublin EIR burrowing owls have been observed within Eastern Dublin (Biosystems Analysis 1989, H.T. Harvey & Associates 2000b). No burrowing owls have been observed on the IKEA Project site and no burrows suitable for their use are present. Short-eared owl (Asio flanuneus). The Eastern Dublin identified impacts to the short- eared owl as insignificant due to the lack of appropriate habitat (IM 3.7/Q), In addition to being a California Species of Special Concern, as indicated in the Eastern Dublin EIR, IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 41 November 2003 this species is protected under the federal Migratory Bird Treaty Act and Fish and Game Code Section 3503.5. No short-eared owls have been ,)b'5erved on the IKEA Project site. Cooper's Hawk (Accipiter cooperiD. The Eastern Dublin EIR identified impacts to the Cooper's hawk as potentially significant (1M 3.7/P). In addition to being a California Species of Special Concern, this species is protected wlder the federal Migratory Bird Treaty Act and Fish and Game Code Section 3503.5. Since certification of the Eastern Dublin EIR, Cooper'B hawk have been observed within Eastern Dublin, (Eastern Dublin Property Owner SEm" 2002), however Cooper's hawk nesting or foraging habitat occurs on the Project site. :LSA, 2003) Golden Eagle (Aquila clu:ysaetos). The Eastern Dublin EIR identified a significant impact to a nesting site for a pair of breeding eagles (1M 3.7 In, potentially significant project and cumulative impacts to foraging habitat (3.7/K), and a potentially significant impact due to electrocutions (3.7/L). Since certification of the Eastern Dublin EIR, an active eagle's nest has been identified adjacent to the Dublin Ranch Phase 1 and Area A, north of the project area (H.T. Harvey & Associates 2000c). There are no suitable nest sites on the Project site. Prairie Falcon (Falco mexicanus). The Eastern Dublin EIR identified impacts to the prairie falcon as potentially significant (1M 3.710). Since certification of the Eastern Dublin EIR, Prairie falcons have been found to nest several miles north of Eastern Dublin on Mt. Diablo and to the northeast in Morgan Territory, near Brushy Peak (Eastern Dublin Property Owner SEIR, 2002). No suitable nesting habitat occurs in the Eastern Dublin area; however, rnost of the area is hig:1 quality potential foraging habitat. Prairie falcons have been commonly observed during the winter in recent years within Eastern Dublin (Eastern Dublin Property Owner SEIR, 2002) and likely forage on or near the project site. Sharp-shinned Hawk (Accipiter striatus). The Eastern Dublin EIR identified impacts to the sharp-shinned hawk as potentially significant (1M 3.7/P). Since certification of the Eastern Dublin EIR, it has been determined that suitable winter foraging habitat may occur within the arroyo willow riparian habitat. Since this habitat type does not exist on the project site, no impacts to sharp-shinned hawks are anticipated from the proposed IKEA Project. Tricolored Blackbird (Agelaius tricolor). The Eastern Dublin EIR identified impacts to the tricolored blackbird as potentially significant (1M 3.7 J I). The species has been reported to the north and south of the Eastern Dublin area (CNDDB 2000). No tri-colored blackbirds have been observed on the project site. The next four species are not identified on Table 3.7-2 within the Eastern Dublin EIR, the listing of potentially occurring special-status wildlife h the Eastern Dublin GP A and SP areas. These species have been subsequently listed by state and I or federal agencies. Loggerhead Shrike (Lanius ludovicianus). Loggerhead shrike is a wide-ranging species that occupies open habitats including grassland, scrub and open woodland communities. The species typically nests in densely vegetated, isolated trees and shrubs IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 42 November 2003 and occasionally man-made structures. Loggerhead shrikes feed on a variety of small prey including arthropods, mammals, amphibians, reptiles and birds. In California, the species does not migrate and is resident year-round. Dedines in numbers have been noted across a broad geographical range in the United States. Nesting habitat for this species occurs near riparian habitat and coyote brush habitat in Eastern Dublin. Since this habitat type does not exist on or near the project site, no loggerhead shrike are anticipated to be impacted with this project. California Horned Lark (Erernophila alpestris actia). This species, a California Species of Special Concern, breeds in open grasslands throughout the Central Valley and adjacent foothills and along the central and southern California coast region. It is a ground- nesting species that prefers shorter, less dense grasses and areas with some bare ground. No California horned lark have been observed on the Project site Ferruginous Hawk. The Ferruginous hawk is a California species of special concern. It has no federal status. It breeds in interior grasslands and desert scrub of western North America including, in very small numbers, the extreme northeastern portion of California, Wintering birds are found in a variety of open habitats throughout California, including open grasslands of the Eastern Dublin area. They would make only incidental use of the IKEA Project site due to the amount of surrounding lands which have already been developed. White-tailed kite. Kites are common to uncommon year-long residents of coastal and valley lowlands, generally occurring west of the Sierra Nevada mountains and southern deserts. Black-shouldered kite populations declined in California prior to the 1940's. White-tailed kites inhabit open areas of grassland, agricultural fields, marshes and roadsides where rodents are common. No white-tailed kites have been observed on the Project site. Other Protected Species Red-tailed Hawk (Buteo jami acensis), Red-shouldered Hawk (Buteo lineatus), white-tailed kite (Elanus caeruleus) (referred to as black-shouldered kite in the Eastern Dublin EIR), American Kestrel (Falco sparverius), Great Horned Owl (Bubo virginianus), barn owl (Tyto alba), and Western Screech Owl (Otus kennicottii). With the exception of the white-tailed kite, these species were not evaluated in the Eastern Dublin EIR. These raptors are federally protected under the Migratory Bird Treaty Act (MBT A) and under California Department of Fish and Game Code Section 3503.5. Often edge species, these raptors will forage in grasslands, open rneadows, and emergent wetlands adjacent to woodlands, forests or riparian areas. Nesting substrates for these species vary between dense riparian foliage near permanent water to isolated trees and human structures. All are year-round residents. Some of these species are expected to forage on the Project site, although there is no suitable nesting habitat present on the project site for any of these species. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 43 November 2003 IMPACTS AND MITIGATIONS FROM THE EASTERN DUBLIN EIR The Eastern Dublin EIR included a comprehensive assessment of habitat and wildlife resources in the GP A/SP planning area. Table 4.2.1 shows special status plant species and Table 4.2.2 [shows special status wildlife species the Eastern Dublin EIR identified as potentially occurring in Eastern Dublin (also see Eastern Dublin EIR Tables 3.7-1 and 3.7- 2. The Eastern Dublin EIR identified potential impacts related to the general effects of potential development in Eastern Dublin including direct habitat loss, indirect habitat loss due to vegetation removal for construction and development activities, and loss or degradation of sensitive habitat (Impacts 3.7/ A, B, and C). The Eastern Dublin EIR also identified potential impacts related to wildlife species such as San Joaquin kit fox, California red-legged frog, California tiger salamander, and others (Impacts 3.7/D - S). Mitigation measures were adopted to, among other thlngs, provide for resource management plans, avoid development in sensitive areas and revegetate disturbed areas (generally Mitigation Measures 3.7/1.0 - 28.0). All mitigation measures adopted upon approval of the Eastern Dublin GP A/SP continue to apply to the Project. Even with mitigation, the City concluded that the cumulative loss or degradation of botanically sensitive habitat was significant and unavoidable. Upon approval of the Eastern Dublin GPA/SP, the City adopted a Statement of Overriding Considerations for this significant unavoidable impact (Resolution No. 53-93). SUPPLEMENTAL IMPACTS AND MITIGATION MEASURES The proposed Project includes approximately the same intensity of land use on the site as was identified in the Eastern Dublin EIR, although the type of land use is now proposed as General Commercial rather than Campus Office. The Initial Study for this Project notes that there have been new special status species identified since certification of the Eastern Dublin EIR that could be affected by pre posed development on the Project site. Methodology. Prior to conducting field work, LSA biologists searched the California Natural Diversity Data Base (CNDDB) (CNDDB 2003) to locate records of special-status species and sensitive communities/habitats in the general region of East Dublin. Using information from these sources and LSA biologists knowledge of plants and wildlife in the Livermore/Amador Valley, lists of potentially occurring special-status species and sensitive habitats were developed. LSA biologists visited the Project site on September 16, 2003 and walked the entire site recording information on the habitat types present and. searching for sensitive plant communities/habitats and evidence of special-status species or habitats that could support such species. Plants and animals observed during the survey were recorded in field notes. Significance Criteria. The proposed Project would have a significant supplemental impact on biological resources if the following impacts would occur but were not analyzed in the Eastern Dublin EIR or are substantially more severe than analyzed in the Eastern Dublin EIR: IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 44 November 2003 . Substantially diminish habitat for fish, wildlife, or plants or threaten to eliminate a plant or animal community; . Substantially affect a rare, threatened, or endangered plant or animal species (including those species that meet the definition of rare and endangered according to CEQA), or the habitat of such species; · Interfere substantially with the movement of any resident or migratory fish or wildlife species; · Cause a fish or wildlife population to drop below self-sustaining levels; or . Create runoff that significantly impacts wildlife habitat. Regulatory Context. Biological resources are regulated by the following. Federal Endangered Species Act. The federal Endangered Species Act (FESA) protects listed species frorn harm or "take" which is broadly defined as to harass, harm, pursue, hunt, shoot, wound, kill, trap, capture, collect, or atternpt to engage in any such conduct. Take can also include habitat modification or degradation that results in death or injury to a listed species. An activity can be defined as "take" even if it is unintentional or accidental. Listed plant species are provided less protection than listed wildlife species. Listed plant species are legally protected from take under FESA if they occur on federal lands or if the project requires a federal action, such as a Section 404 fill permit. The U.S. Fish and Wildlife Service (USFWS) has jurisdiction over federally-listed threatened and endangered. species under the FESA. The USFWS also maintains lists of proposed and candidate species. Species on these lists are not legally protected under the FESA, but which may become listed in the near future and are often included in their review of a project. California Endangered Species Act. The California Endangered Species Act (CESA) prohibits the take of any plant or animal listed or proposed for listing as rare (plants only), threatened, or endangered. In accordance with the CESA, California Department of Fish and Game (CDFG) has jurisdiction over state-listed species (California Fish and Game Code 2070). Additionally, the CDFG maintains lists of "species of special concern" that are defined as species that appear to be vulnerable to extinction because of declining populations, limited. ranges, and/or continuing threats. California Environmental Quality Act. Section 15380(b) of the California Environmental Quality Act (CEQA) Guidelines provides that a species not listed on the federal or state lists of protected species may be considered rare or endangered if the species can be shown to meet certain specified criteria. These criteria have been modeled after the definitions in FESA and CESA and the section of the California Fish and Game Code dealing with rare or endangered plants or animals. This section was included in the guidelines primarily to deal with situations in which a public agency is reviewing a project that may have a significant effect on a species that has not yet been listed by either the USFWS or CDFG. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 45 November 2003 Clean Water Act. Under Section 404 of the Clean Water Act, the U.S. Army Corps of Engineers (Corps) is responsible for regulating the discharge of fill material into waters of the United States. Waters of the U.S. and their lateral limits are defined in 33 CFR Part 328.3 (a) and include streams that are tributary to navigable waters and their adjacent wetlands. Wetlands that are not adjclcent to waters of the U.S. are termed "isolated wetlands" and, depending on the circumstances, may also be subject to Corps jurisdiction. There are no steams or wetlands on the Project site. California Water Quality and Waterbody Regulatory Programs. Pursuant to Section 401 of the federal Clean Water Act, projects that are regulated by the Corps rnust obtain water quality certification from the Regional Water Quality Control Board (RWQCB). This certification ensures that the Project will uphold state water quality standards. The RWQCB may impose mitigation requirements even if the Corps does not. The CDFG exerts jurisdiction over the bed and banks of watercourses and waterbodies according to provisions of Section 1601 to 1603 of the Fish and Game Code. The Fish and Game Code requires a Streambed Alteration Agreement for the fill or removal of material within the bed and banks of a watercourse or waterbody. There are no watercourses or waterbodies on or adjacent to the Project site. Other Statutes, Codes, and Policies. The federal Migratory Bird Treaty Act (16 U.S.c., Sec. 703, Supp. I, 1989) prohibits killing, possessing, or trading in migratory birds except in accordance with regulations prescribed by the Secretary of the Interior. This act encompasses whole birds, parts of birds, and bird nests and eggs. Most native bird species on the Project site are covered by this Act. The California Native Plant Society (CNPS), a non-governmental conservation organization, has developed lists of plant species of concern in California. Vascular plants included on these lists are defined as follow:;: List 3 List 4 Plants considered extinct. Plants rare, threatened, or endangered in California and elsewhere. Plants rare, threatened, or endangered in California but more common elsewhere. Plants about which more information is needed - review list. Plants of limited distribution-watch list. List 1A List 1B List 2 Although the CNPS is not a regulatory agency and plants on these lists have no formal regulatory protection, plants appearing on List 1B or ::"ist 2 are, in general, considered to meet CEQA's Section 15380 criteria and adverse effed:s to these species are considered significant. Supplemental Impact BIO-l: Project impacts on newly identified biological resources. As discussed in Table 4.2.1 it is moderately likely that only one newly identified special-status plant, the Congdon's tarplant, might occur on the Project site. No IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 46 November 2003 Congdon's tarplant, however, were found during the site visit by LSA staff. Table 4.2.1 further shows that it is highly unlikely that any other special-status plant or wildlife species occur on the Project site and none were found during the site visit by LSA staff. Based on the site visit by LSA staff, the proposed Project is expected to result in no supplemental impacts to rare, threatened, endangered or special-status plants or animals or their respective habitats, including Congdon's tarplant. The site is currently surrounded by a human-modified environment and does not comprise a significant portion of any regional wildlife movement corridors. Therefore, since the proposed Project would not result in any significant supplemental biological resource impacts, no supplemental mitigation is required. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 47 November 2003 Table 4.2.1. Special-status Plant Specie:; Potentially Occurring on or Near IKEA ProjEd Site Species Status Habitat Potential for Occurrence (Fed/State/ CNPS) Amsinckia grandiflora FE/SE/IB Valley and foothi 11 grassland Low: Disturbed nature of site large-flowered fiddleneck in various soils. O'lly likely precludes occurrence. known from 3 native occurrences. Atriplex cordu/ma -I-IIB Chenopod scrub, valley and Low: No alkaline or sandy heartsca1e foothill grassland, meadows. soils on site, Alkaline flats ani. sandy soils. Atriplex depressa -I-IIB Chenopod scrub, meadows, LmY,: No alkaline substrates brittlescale playas, valley and foothill on site. grassland, vernal pools. Alkali scalds or clav. Atriplex jOaI:Juinaiana -I-lIB Chenopodscrub,~ Low: No alkaline substrates San Joaquin spearscale meadow, valley md foothill on site. lmlSsland. Arctostaphylos auricu/ma -I-IIB Chaparral. Known only from None: Out of species' range. Mt. Diablo manzanita the Mt. Diablo area. No suitable habitat. Astragalus tener var. tener -I-IlB AlkaIi playa, valley and Low: No alkaline substrates alkali milk vetch foothill grassland, vernal on-site. Dools. Balsamorhiza macrolepis -I-IlB Valley and foothill Low: Disturbed nature of site var. maaolepis grassland, cismoIltane likely precludes occurrence. bil1;-scale balsamroot woodland. Calochortus pulchelius -I-IlB Chaparral, cismoltane ~: Out of species' range. Mt. Diablo fairy-lantern woodland, riparian woodland, No suitable habitat. valley and foothiJ I grassland. Wooded and brushv slopes. Centromadia parryi ssp. -I-IIB Valley and foothi II Moderate: Species has been congdonii grassland. found previously on Congdon's tarplant disturbed sites, including near oroiect site to north. Cordylanthus mollis ssp. -I-IIB Meadows, playas, valley and Low: Disturbed nature of site hispidus foothill grassland. Damp and lack of alkali soils likely hispid bird's-beak alkaline soils. orecludes occurrence. CordylanJhus palmatus FElSE/IB Chenopod scrub, valley and LmY,: No alkaline substrates paImate-bracted bird's beak foothill grassland. Alkaline on site. clav. Deinandra bacigaLupii -/-IIB Meadows and seeps. None: No suitable habitat Livermore tarplant AlkaIine meadov,s. (mesic sites). Erodium macrophyllum -/-/2 Cismontane woodland, Low: Disturbed nature of site round-leaved filaree valley and foothill grassland. likely precludes occurrence. Eschscholzia rhombipetala -I-IlB Valley and foothill Low: Disturbed nature of site diamond-petaled California grassland. Most sites are likely precludes occurrence. poppv historical. Helianthella castanea -I-IIB Upland forest, chaparral, None: No suitable habitat. Diablo helianthella cismontane woodland, coastal scrub, riparian woodland, valley and foothill grassland. Usually in rocky, azonal soils. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 48 November 2003 Hesperolinon breweri -I-IIB Chaparral, cismontane None: No serpentine or Brewer's western flax woodland, valley and foothill rocky soils on site. grassland. Rocky serpentine soils. Trifolium depauperatum -I-lIB Marshes and swamps, valley None: No suitable habitat var. hydrophilum and foothill grassland, vernal (mesic sites). saline clover Dools. Mesic, alkaline sites. Status: FE Federally listed as an endangered species. SE = State listed as an endangered species. =California Native Plant Society (CNPS) list of plants rare or endangered in California and elsewhere. 2 = CNPS list of plants rare or endangered in California but more common elsewhere. = No status Source: LSA Associates IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 49 November 2003 Table 4.2.2. Special-status Wildlife Species Potentially Occurring on or Near IKEA Project Site Species Status Habitat Potential for (Fed/State/ Occurrence CDFG) Invertebrates Longhorn fairy shrimp FE/-I- Vernal pools. None: No vernal pools on Branchinecta longiantenna site. Vernal pool fairy shrimp FT/-I- Vernal pools. None: No vernal pools on Branchinecta lynchi site. Amvhibians California tiger FPT/-/CSC Grasslands with :;easonal None: Disturbed nature of salamander ponds for breedir .g. site, lack of a breeding Ambystoma califomiense site and surrounding development preclude occurrence. California red-legged frog FT/-/CSC Ponds, streams, drainages, None: Disturbed nature of Rana aurora draytonii and associated u~,lands. site and lack of aquatic habitat preclude occmrence. Revtiles Western pond turtle -I-/CSC Ponds, streams, drainages, None: Disturbed nature of Clemmys marmorata and associated uplands. site and lack of permanent water source preclude occurrence. Alameda whipsnake FT/ST/- Chaparral, scrub, alid None: No suitable habitat Masticophis lateralis associated grassl;mds. on site. euryxanthus Usually occurs n::ar rock outcrODS. Birds White-tailed kite -I-/CFP Open grasslands, meadows, Low: Occasional foraging Elanus leucurus or marshes. Require likely. isolated, dense-tcpped trees or shrubs for nesting and perching. Northern harrier -I-/CSC Nests in wet me<dows and ;(.my: Occasional foraging Circus cyaneus marshes, forages over open likely. grasslands and agricultural fields. Ferruginous hawk -1-1cse (wintering) Open grasslands. low ~: Surrounding Buteo regalis foothills surrounding development and small valleys, agricultural fields. size of area likely limit foralrinl!:. Golden eagle -I-leSe Rolling foothill~ and ;(.my: Surrounding Aquila chrysaetos mountain areas. Nt;sts in development and small cliff-walled canyons or large size of area likely trees in open areas. oreclude occmrence. Burrowing owl -1-/CSe Open, dry grasslmds or None: Lack of ground Athene cunicularia agricultural area; that squirrel burrows and dense contain abundan: ground vegetation preclude squirrel burrows. occurrence. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 50 November 2003 Loggerhead shrike -I-/CSC Open grasslands and Moderate: No nesting Lanius ludovicianus woodlands with scattered habitat but dispersing or shrubs, fence posts, utility migrating individuals lines, or other perches. could occur for brief Nests in dense shrubs and periods. lower branches of trees. California homed lark -I-/CSC Open grasslands. Prefers ~: Surrounding Eremophilo. alpestris actia areas with patches of bare development and small ground interspersed with size of site likely preclude short grasses. occurrence. Tricolored blackbird -I-/CSC Nests in dense vegetation None:Lackoffo~~ng Agelo.ius tricolor near open water, forages in and nesting habitat grasslands and agricultural precludes occurrence. fields. Mam71UlIs San Joaquin kit fox FE/ST/- Annual grasslands with ~: No suitable dens, Vulpes macrotis mutica scattered shrubby Site is isolated from vegetation. Loose-textured potentially occupied areas soils required for dig~ng to east. burrows. Status: FE = Federally listed as an endangered species. FT = Federally listed as a threatened species. FPT = Federally proposed as a threatened species ST = State listed as a threatened species. CSC = Califomia Species of Special Concem CFP = Califomia Fully Protected Species Source: LSA Associates IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 51 November 2003 4.3 Transportation and Circulation (Note: Supplernental transportation and circulation impacts of the proposed Project have been analyzed by Fehr and Peers Transportation Consultants. A complete copy of their report, Final Report: IKEA Retail Center Transportadon Study, August 2003 ("the Traffic Study"), is found in Appendix 8.7.) Traffic and Circulation was analyzed in Chapter 3.3 of the Eastern Dublin EIR. This Supplernental DEIR examines compliance with the City f)f Dublin's established standards for intersection levels of service (LOS) in light of increases in regional traffic and changes in commute patterns since certification of the Eastern Dublin EIR in 1993. The analysis also considers the cumulative (year 2025) growth of the entire region by utilizing the Tri-Valley Transportation Model to examin.e future conditions with the proposed Project and cumulative conditions. The Tri- Valley Transportation Model was developed with and adopted jointly by the Tri-Valley dties after certification of the Eastern Dublin EIR. It assumes General Plan build-out for the Tri-Valley cities and completion of each of the city's road networks to their ultimate geometries. ENVIRON1vlENTAL SETTING The Project area is located on the eastern edge of the City of Dublin's planned urbanized area and almost in the middle of the Livermore-Amador Valley's Interstate 580 (1-580) corridor. 1-580 is a major Bay Area east-weBt commuter route from communities as far east as the San Joaquin Valley to job centers as far west as San Francisco and Redwood City and more local job centers in Walnut Creek, Bishop Ranch (San Ramon), Dublin and Pleasanton. 1-580 also provides commuter access to Interstate 680 (1-680). 1-680 lies west of the IKEA Project area and is a major north-south freeway and commuter route from the Tri- Valley area and communities farther north to the technology job centers in Santa Clara County and San rose (the "Silicon Valley"). Existing Roadway Network Interstate 580 (1-580) is an east-west freeway extending from U.S. 101 in San Rafael to Interstate 5 (1-5) south of Tracy. Through Dublin, 1-580 carries approximately 183,000 vehicles per day within six travel lanes. Local interchanges are provided at Dougherty Road/ Hacienda Drive and Tassajara Road. Interstate 680 (1-680) is a north-south freeway that extends from Interstate 80 (1-80) in Solano County south to San Jose. Through Dublin, 1-680 carries approximately 147,000 vpd across eight travel lanes. Local access t:> 1-680 is provided at an interchange located north of 1-580. Dublin Boulevard is a rnajor east-west arterial that extends frorn just west of Brigadoon Way at the western city limit, through Dublin parallel to 1-580, to Keegan Street in eastern Dublin. Dublin Boulevard has six ":ravel lanes between San Ramon Road and Village Parkway and between Dougherty Road and Tassajara Road. This IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 52 November 2003 roadway (east of San Ramon Road) is classified as a Metropolitan Transportation System (MTS) roadway under the county's Congestion Management Program. Pedestrian and bicycle facilities are provided on this roadway within the project vicinity. Hacienda Drive, bordering the project site on the east, is a major north-south arterial that extends from Gleason Drive in Dublin to West Las Positas Boulevard in Pleasanton. Hacienda Drive has six travel lanes between 1-580 and Dublin Boulevard. Pedestrian and bicycle facilities are provided on this roadway within the project vicinity. Arnold Road is a two lane, north-south roadway that extends from Gleason Drive to Dublin Boulevard. In the future, this roadway will extend south past the future Martinelli Way intersection and along the western boundary of the project site. This roadway is proposed to provide access between the project site and Dublin Boulevard. Martinelli Way is a planned, future east-west roadway extending from the Hacienda Crossing traffic signal on Hacienda Drive to Arnold Road and eventually through the transit center area. The main entrance to the IKEA Store will be on Martinelli Way. Pedestrian and bicycle facilities will be provided along the roadway. Transit Service Fixed-route transit, DART (Direct Access Responsive Transit), paratransit and BART (Bay Area Regional Transit) are available in Dublin. "Wheels" is the fixed-route transit service provided by the Livermore Amador Valley Transit Authority (LA VTA) for the Tri- Valley communities of Dublin, Livermore, and Pleasanton. The "Wheels" routes that provide service near the Project site include Routes 1, 3, and 54. Each route is described below. Route 1: Route 1 is separated into Routes 1A and lB. Route 1A operates clockwise and Route 1B operates counter-c1ockwise. These routes connect the Dublin Bay Area Rapid Transit (BART) station with the Santa Rita jail, Hacienda Crossing, and the Rose Pavilion. Service is provided from 6:00 AM to 7:30 PM on weekdays with 30-minute headways. Route 3: Route 3 is separated into Routes 3A and 3B. Route 3A operates clockwise and Route 3B operates counter-clockwise. These routes connect the Dublin BART station and Stoneridge Mall along Dublin Boulevard and Foothill Road. They also connect these sites to downtown Dublin and Alcosta Boulevard in San Ramon. The routes cover most of Dougherty Road within the city limits of Dublin. Service is provided during peak weekday periods from 6:00 to 9:30 AM and 2:00 to 7:00 PM with 1-hour headways. Route 54: This Altamont Commuter Express (ACE) shuttle provides service between the Dublin BART station, Pleasanton Fairgrounds, and ACE train. Service is provided along Dublin Boulevard and Hacienda Drive near the project site. This route operates on weekdays during peak periods from 5:30 to 8:30 AM and 4:00 to IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 53 November 2003 8:00 PM with headways of more than I-hour. The ACE train provides service between Stockton and San Jose, including stations in Livermore and Pleasanton. DART provides service during off-peak hours when most fixed-route buses are not in operation. Weekday service runs between 9:00 AM and 2:00 PM and 7:30 to 9:30 PM. Saturday service runs from 8:30 AM to 6:30 PM. With a reservation, a DART van will provide passengers with the most direct transportation service possible. Dial-a-Ride para-transit is also available seven days a week for pa~sengers with disabilities. BART provides regional rail transit access from the Dublin/Pleasanton station. BART runs at 15- to 20-minute headways between 4:00 and 12:00 AM on weekdays. Saturday service is available every 20 minutes between 6:00 and 1'2:45 AM. Service is also available on Sunday from 8:00 to 12:45 AM with 20-minute head ways. IMPACTS AND MITIGATIONS FROM THE EASTER1\ DUBLIN EIR Freeways The Eastern Dublin EIR identified significant, significant cumulative, and significant unavoidable adverse impacts related to daily traffic volumes on 1-580 with and without build-out of the Eastern Dublin Specific Plan and General Plan Amendment and under a Year 2010 cumulative build-out scenario (Impacts 3.3/A, B, C, D, and E). The significance criteria for freeway segments was operations that exceed level of service (LOS) E. Mitigation measures (3.3/1.0 and 3.3/4.0) were adopted which reduced impacts on 1-580 between Tassajara Road and Fallon Road and on 1-680 north of 1-580 to a level of insignificance. Other mitigations (3.3/2.0,2.1,3.0 and 5.0) were adopted to reduce impacts on the remaining 1-580 freeway segments and the 1-580/680 interchange. Even with mitigations, however, significant cumulative impacts remained on 1-580 freeway segments between 1-680 and Dougherty Road and, at the build-out scenario of 2010, on other segments of 1-580. Upon certification of the Eastem Dublin EIR and approval of the Eastern Dublin GP A/SP, the City adopted a Statement of Overriding Considerations (Resolution No. 53-93), for these signif.cant unavoidable cumulative impacts (Impacts 3.3/B and E). All mitigation measures adopted upon approval of the: Eastern Dublin EIR continue to apply to implementing actions and projects such as the proposed IKEA Project. Intersections and roads The Eastern Dublin EIR evaluated levels of service and. PM peak hour traffic volumes at 18 intersections with roads and 1-580 ramps for cumulative build-out without the Eastern Dublin project and cumulative build-out with the Eastern Dublin project. The significance criteria for intersections were operations that exceed LOS D. Mitigation rneasures were identified for each intersection that was projected to exceed the LOS D standard in each scenario. Mitigation measures (3.3/6.0 - 9.0 and 11.0) for Impacts 3.3/F, G, H, 1 and K were adopted to reduce impacts t::> each of these intersections to a level of insignificance. These mitigations include constluction of additional lanes at intersections, coordination with Caltrans and the neighboring cities of Pleasanton and Livermore to restripe, widen or modify on-ramps and off-ramps and interchange intersections, and coordination with Caltrans to modify certain interchanges. Development projects within the Eastern Dublin project area contribute a proportionate IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 54 November 2003 share to the multi-jurisdictional improvements through the Eastern Dublin traffic impact fee program and the Tri- Valley Transportation Development Fee program (discussed below). Other mitigations (3.3/13.0 and 14.0) were adopted to reduce impacts on other identified intersections with Dublin Boulevard and Tassajara Road (Impacts 3.3/M, N). All mitigation measures adopted upon approval of the Eastern Dublin GP A/ SP and Eastern Dublin EIR continue to apply to implementing actions and projects within Eastern Dublin, such as the IKEA Project. Individual development projects within the GP A/SP contribute a proportionate share to fund these improvernents through payment of traffic impact fees or construction of the required improvements for a credit against payment of such fees. Even with mitigaticns, however, significant cumulative impacts rernained on several identified intersections: Santa Rita Road/I-580 Eastbound ramps (Impact 3.3/1), Dublin Boulevard/Hacienda Drive and Dublin Boulevard/Tassajara Road (Impact 3.3/M). Upon certification of the Eastern Dublin EIR and approval of the Eastern Dublin GP A/SP, the City adopted a Statement of Overriding Consideration (Resolution No. 53-93), for these significant unavoidable year 2010 and cumulative impacts. Transit, Pedestrians and Bicycles The Eastern Dublin EIR identified significant impacts related to transit service extensions and the provision of safe street crossings for pedestrians and bicycles (Impacts 3.3/0 and P). Mitigation measures 3.3/15.0 -15.3 and 16.0 -16.1 were adopted which reduced these impacts to a level of insignificance. These mitigations generally require coordination with transit providers to extend transit services (for which the GP A/SP projects contribute a proportionate share through payment of traffic impact fees) and coincide pedestrian and bicycle paths with signals at major street crossings. All mitigation rneasures adopted upon approval of the Eastern Dublin GP A/SP and eastern Dublin EIR continue to apply to implernenting actions and projects such as the proposed IKEA Project. Fee Programs Prior to approval of any development in Eastern Dublin, in January 1995 the City adopted (and has since updated) the Eastern Dublin Traffic Impact Fee which consisted of three "categories": Category 1 was, in general, to pay for required transportation improvernents in the SP /GP A project area; Category 2 was, in general, to pay for required improvements in other areas of Dublin; and Category 3 was to pay for regional improvements to which development in Eastern Dublin should contribute. The improvements for which the fee is collected included those improvements assumed in the Eastern Dublin EIR, those improvements necessary for Eastern Dublin to develop, and those improvements identified in the Eastern Dublin EIR as mitigation measures. In June 1998, the City adopted the Tri-Valley Transportation Development Fee, in conjunction with the cities of Pleasanton, Livermore, San Ramon and Danville and the Counties of Alameda and Contra Costa to fund regional improvements. This fee replaced the Category 3 fee. In addition, the City has adopted a Freeway Interchange Fee to reimburse Pleasanton for funding construction of certain interchanges on 1-580 that also benefit Eastern Dublin. All development projects in IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 55 November 2003 Eastern Dublin are required to pay these fees at building permit or construct the improvernents included in the fee programs. SUPPLEMENTAL IMPACTS AND :MITIGATION MEASURES As described in more detail in the Project Description, the IKEA Project includes retail land uses for the site that were not anticipated in the Eastern Dublin Specific Plan or the Eastern Dublin EIR, which designated the site for Campus Office. The Initial Study noted that retail use on the site could result in different peak-hour impacts and in conjunction with changes in regional traffic patterns could result in significant impacts beyond those identified in the Eastern Dublin EIR. Pursuant to CEQA Guidelines Section 15162 and 15163, this section of the Supplemental EIR assesses whether significant new or intensified traffic impacts may result from changes in the land use designation of the Project site and increased regional traffic. Significance Criteria. Intersections An impact would be significant if an intersection previously mitigated to an acceptable level would now exceed acceptable levels. In addition, an impact would be significant if a newly proposed intersection is identified as exceeding acceptable levels and if such intersection was not previously identified in the Easten.. Dublin EIR as a study intersection. The General Plan standard requires that the City strive for LOS D at intersections (General Plan Circulation and Scenic Highways Guiding Policy F). Roadway segments With respect to routes of regional significance, an impact would be significant if a road has been identified since certification of the Eastern Dublin EIR as such a route and such a route would fail to comply with the applicable standard of the General Plan or if a segment previously mitigated to an acceptable level wculd now exceed acceptable levels. The General Plan requires the City to rnake a good faith effort to maintain LOS D on arterial segments and intersections of routes of regional significance (i.e., Dublin Boulevard, Dougherty Road, Tassajara Road and San Ramon Road), or implement transportation improvements or other measures to improve the service level. If such improvements are not possible or sufficient, and the Ti.-Valley Transportation Council cannot resolve the matter, the City may modify the LOS standard if other jurisdictions are not physically impacted (General Plan Circulation and Scenic Highways Guiding Policy E [LOS DJ). The maximum average daily traffic (ADn threshold standards of the General Plan for four-lane roadways (30,000 vpd), six-lane roadways (50,000 vpd) and eight-lane roadways (70,000 vpd) are used to determine street widths. Existing traffic volumes and lane configurations. The City retained Fehr and Peers to complete a traffic study for the IKEA Development Project. Fehr and Peers prepared a document entitled Final Report: IKEA Retail Center Transportation Study, August 2003 ("the Traffic Study"), which is included in the Appendix to this SDEIR. The Traffic Study analyzed intersection traffic operations under weekday AM and PM peak hour conditions and Saturday mid-day peak hour conditions for 18 key intersections in the IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 56 November 2003 Project area ("the study intersections"). Exhibit 13 shows the location of the study intersections in relation to the Project site. Peak hour conditions were determined from peak period intersection turning movement counts. Weekday AM and PM turning movernent counts were conducted on February 11,19, and 20,2003, from 7:00 to 9:00 AM and from 4:00 to 6:00 PM. Saturday turning movement counts were conducted on July 13,20, and August 24,2002 from 3:30 to 5:30 PM. The raw traffic count data for the AM, PM, and Saturday peak periods is provided in Appendix A of the Traffic Study. The peak hour represents the highest traffic-volume hour during the peak period traffic counts. From the data collection effort, weekday peak hours were determined to be 7:30 to 8:30 AM and 5:00 to 6:00 PM, and the Saturday peak hour was 3:30 to 4:30 PM. Exhibit 14 presents the existing peak hour turning movement counts. Level of Service Methodology. The concept of level of service (LOS) is commonly used to determine the operating conditions of an intersection or roadway. The LOS grading system is a rating scale ranging frorn LOS A to LOS F, where LOS A represents free- flow conditions and LOS F represents jammed conditions. A unit of measure, such as the volume-to-capacity (V Ie) ratio or average delay, generally accompanies a LOS designation. The City of Dublin General Plan states that a service level of LOS D or better is considered acceptable; LOS E or LOS F standards are considered undesirable. The City of Dublin uses the intersection LOS methodology outlined in Technical Procedures (Contra Costa County Transportation Authority [CCTAl, 1997), which relates service level grade to a V IC ratio. The V IC ratio relates the total traffic volumes for critical opposing movements to the theoretical capacity for those movements. This methodology is only applied to signalized intersections. For unsignalized intersections, methods are based on the Highway Capacity Manual (HCM) (Transportation Research Board, 2000). This method determines the service level for each rnovernent based on the average control delay per vehicle. Control delay includes deceleration delay, queue move-up time, stopped delay, and acceleration delay. Existing Intersection Levels of Service. The existing lar.e configurations and peak hour turning movement volumes were used to determine service levels for the study intersections. These results are shown in Table 4.3.1. The measure of effectiveness (V Ie ratio) for signalized intersections and LOS are presented. As indicated in the table, all study intersections operate at acceptable LOS C or better during the AM, PM, and Saturday peak hours. Baseline Traffic Estimates. Fehr and Peers developed baseline conditions by adding existing traffic (calculated as described above) with traffic generated by approved projects other than this Project. A list of approved but not yet constructed or fully occupied developments was provided by the City of Dublin. The City also provided traffic studies that were completed for many of the approved projects. The amount of traffic generated by these developments during weekday AM and PM and Saturday peak hours was estimated from the Institute of Transportation Engineers (ITE) Trip Generation (6th Edition) and the respective project traffic studies. A complete list of approved projects, including trip generation information, is provided in Appendix C of the Traffic Study. Approved projects in Dublin are estimated to generate between 2,000 and 2,500 net new peak hour trips, as follows: IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 57 November 2003 . 2,070 (820 inbound and 1,250 outbound) for the AM peak hour . 2,410 (1,320 inbound and 1,090 outbound) for the PM peak hour · 2,080 (1,100 inbound and 980 outbound) for Saturday peak hour Fehr & Peers contacted the City of Pleasanton and Contra Costa County in July 2002 to investigate probable projects, both north and south of the City of Dublin that potentially could impact the study intersections. The City of Pleasanton provided both land use forecasts and expected build-out traffic forecasts from their traffic model. Contra Costa County provided information related to Dougherty Valley developrnent. Appendix C (located in the Traffic Study) contains a summary of the baseline traffic estimates for Pleasanton and Dougherty Valley including land use type, size and resulting trip generation. Combined, development in Dougherty Valley and the City of Pleasanton is likely to generate about 2,550 AM peak h:>ur trips, 2,950 PM peak hour trips, and 1,720 Saturday peak hour trips. The directional distribution of the trips generated by tbE: developments in Dublin, Pleasanton, and Dougherty Valley were developed using a combination of distribution characteristics frorn the Tri-Valley traffic model, previously completed traffic studies, and knowledge of local travel patterns. Traffic generated by the developments in Dublin, Ple~,anton, and Dougherty Valley was assigned to the roadway system using the softwar,? TRAFFIX. The assigned traffic was added to the existing turning movement volumes to obtain the Baseline conditions traffic forecasts. Baseline roadway changes. There is a planned roadway improvement currently under construction within Project area that was included in tbe Baseline conditions analysis: . Tassajara Road/Santa Rita Road /1-580 Interchange Reconstruction - This project includes interchange improvements such as: (1) one westbound right-turn lane and an exclusive overpass lane leading to the northbound free right-turn lane at the 1-580 westbound off-ramp/ Tassajara Road intersection; and (2) adding one eastbound left-turn lane, one westbound left-twllIane, and one northbound overpass through lane at the 1-580 off-ramp/Pimlico Drive/ Santa Rita Road intersection. Baseline conditions intersection levels of service. Levels of service were calculated for the study intersections. Table 4.3.2 presents the LOS r~.ults for Baseline conditions. LOS calculation worksheets are included in Appendix D of be Traffic Study. As shown in Table 4.3.2, all intersections operate at an acceptable LOS D or better during the AM, PM, and Saturday peak hours. Notable differences between the Existing (which includes traffic volumes recently counted as part of this SDEIR) and Baseline conditions (which includes existing traffic volumes plus traffic anticipated to be generated from approved but not yet built projects excluding the proposed IKEA Project) include: . The change from LOS A to LOS B at the 1-580 ea:;tbound off-ramp /Pimlico Drive/ Santa Rita Road intersection during the weekday PM peak hour. LOS IKEA Draft Supplemental EIR City of Dublin P A 02-034 Page 58 November 2003 degradation occurs despite the roadway improvements assumed at this study intersection. . The 1-580 eastbound off-ramp /Hopyard Road intersection is anticipated to deteriorate from LOS B to LOS D during the weekday AM peak hour and from LOS A to LOS B during the PM peak hour. . The Dublin Boulevard/Dougherty Road intersection is expected to deteriorate from LOS C with Existing conditions to LOS D with Baseline conditions during the weekday PM peak hour. Project traffic estimates. The amount of traffic associated with a project is estimated using a three-step process: 1) Trip Generation - the amount of traffic entering and exiting a project site is estimated on a daily and peak-hour basis. 2) Trip Distribution - the directions of trips to approach and depart the site are estimated. 3) Trip Assignment - the traffic assigned to specific roadway segments and intersection-turning movements is determined. The results of this process are described in the following sections. Trip generation The AM and PM peak hour traffic added to this roadway system by the proposed IKEA store was estimated based on traffic volume data collected at existing IKEA stores in Emeryville, California in December 2001, and in Woodbridge, Virginia in November 2002. The survey findings are presented in Table 4.3.3. Other factors considered in the trip generation development process included the relative locations of the approved East Palo Alto store (recently opened) in Santa Clara County and the existing IKEA store in Emeryville. The regional attraction of these stores creates a situation where a third similar-type establishment is not expected to generate new trips at the same rate as the initial establishment. According to the market projections conducted by IKEA Property, Inc., when fully operational, IKEA Dublin will generate about 61 percent of the current sales at IKEA Emeryville. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 59 November 2003 Table 4.3.3. Vehicle Trip Generation, IKEA Store Surveys Survey Location 1 AM Peak Hour PM Peck Hour Saturday Peak Hour Vehicle Trips Vehicle Trips Vehicle Trips In Out In Out In Out Emeryville 2 29 32 266 298 630 549 Woodbridge 3 19 9 119 148 733 795 Notes: 1. These survey sites are similar in size, visitor activity, and are lhe only IKEA stores in their respective markets. 2. Vehicle trips obtained from driveway volumes counted at the eldsting IKEA location in Emeryville, Califomia during December 2001. 3. Vehicle trips obtained from driveway volumes counted at the e <isting IKEA location in Woodbridge, Virginia during November 2002. Source: Fehr & Peers, June 2003 Considering the survey data from Table 4.3.3 and saleE projections discussed above, Fehr & Peers, in consultation with City staff, determined the Dublin IKEA would likely generate about 25 percent fewer weekday trips than was generated at the existing Emeryville IKEA. Appropriate adjustments were madE~ for pass-by IKEA traffic during the weekday PM peak hour. For Saturday data, trip estimates were based solely on the Woodbridge IKEA store trip generation survey results as this facility is located at a shopping destination similar to the Dublin site. The amount of traffic generated by the Retail Center was derived frorn lTE's Trip Generation (6th Edition) for a Shopping Center (Land U:;e Code 820) and Restaurant (Land Use Code 832) with appropriate adjustments made for pass-by traffic. Trip rates for the shopping center were based on the regression equation (and not average value) from Trip Generation, according to the guiding principles stated in the Trip Generation Handbook (October 1998). The same publication indicatE~s that restaurant rates should be based on average values. Table 6, contained in the Traffic Study, shows the projected trip generation for the IKEA Project. At build-out, the IKEA Project is projected to generate approximately 16,100 daily trips during a typical weekday. During the AM peak hour, about 460 net new trips (250 inbound and 210 outbound) would be generated. Net new PM peak hour traffic generated by the site is anticipated to be about 880 trip:; (440 inbound and 440 outbound). Net new Saturday peak hour traffic is estimated to be approximately 2,510 trips (1,310 inbound and 1,200 outbound). Table 5, contained in the Traffic Study, compares the trip generation of the IKEA Project with the Campus office use currently approved for the Project site. Trip generation information was obtained from the traffic impact study prepared for the previously approved Commerce One office development. As shown, net new PM peak hour trips generated by campus office use and the IKEA Project developments are similar (Le., within 5 percent). During the AM peak hour, campus office use would generate substantially more traffic than the IKEA Project, while the reverse is true for the Saturday peak hour. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 60 November 2003 . Trip distribution and assignment Traffic distribution for the IKEA Project was derived frem the primary trade areas (PTAs) established by IKEA Property, Inc. PTAs were established using zip code sales surveys at the existing Emeryville IKEA, 2006 population projections, and the relative locations of the three stores (Le., existing store in Emeryville, store opening in East Palo Alto, and proposed Dublin store) within the Bay Area. Using information provided by IKEA, Fehr & Peers derived the following regional trip distribution for IKEA Project trips: . 35 percent of trips to/from the south along 1-680 . 30 percent of trips to/from the north along 1-680 . 10 percent of trips to/frorn the west along 1-580 . 11 percent of trips to/from the east along 1-580 . 14 percent of trips to/from the Dublin, Pleasanton, and San Ramon areas The distribution percentages shown and listed above were applied to the trip generation estimates shown in Table 6 within the Traffic Study. The resulting trips were then assigned to the roadway systern through the study intersections. The assignment process was completed using the assignment software TRAFFIX. The traffic assignments used the closest proximity interchange (Le., Hacienda Drive) to access the freeway. Pass-by traffic assignments were applied according to the inter-relationship between traffic levels on Dublin Boulevard and Hacienda Drive. Planned roadway improvements to be completed in the Project area. The intersection of Dublin Boulevard/Dougherty Road would consist of lane configurations based on the interim improvements planned for this intersection. These improvements are included in the City of Dublin's 5-Year Capital Improvement Program (CIP) and are expected to be implemented by the time the proposed IKEA Development Project is fully developed. The current CIP project to install the interim improvements at Dublin Boulevard/ Dougherty Road is funded by project developers who are required to pay their pro-rate share of the cost to construct these improvements through payment of the Eastern Dublin Traffic Impact Fee. Ultimate improvernents at this intersection are expected to occur at build-out with the development of the Dublin Transit Center project, located immediately west of the Project site. Planned roadway improvements to be completed with the Project. Roadway improvements assumed within the study area and constructed with the Project include: Martinelli Way . Construct Martinelli Way between Hacienda Drive and Arnold Road. . Modify the traffic signal at the Martinelli Way/Hacienda Drive/Hacienda Crossings intersection to accommodate the Martinelli Way extension . Design Martinelli Way to accommodate the triple northbound to westbound left-turn lanes from Hacienda Drive onto Martinelli Way. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 61 November 2003 . Construct two left-turn lanes on Martinelli 'Vay at the Project site main entrance. . Signalize the Project main entrance at Martinelli Way. . Construct a secondary site access right-turn in and out only driveway on Martinelli Way east of Arnold Road. Arnold Road . Construct the Arnold Road extension south from Dublin Boulevard to the Altamirano Avenue intersection with the southern most project site access. . Modify the traffic signal at the Arnold Road IDublin Boulevard intersection to accommodate the Arnold Road extension south from Dublin Boulevard to the Altamirano Avenue intersection with the southernmost project site access. . Signalize the newly constructed intersection of Arnold Road/Martinelli Way. . Design the project access on Arnold Road (nidway between Martinelli Way and Altamirano Avenue) for the future instc.lhtion of a traffic signal at this location. Buildout impacts. The following impacts are anticipated under Existing and Buildout conditions with the proposed Project. Supplemental Traffic Impact TRA-l: Impacts to study intersections under Baseline and Project conditions. With the addition of Project trips, most intersections would generally continue to operate at similar service levels as identified for Baseline conditions. Some notable differences in intersection Levels of Service caused by the proposed Project are noted below None of the following changes would exceed the significance criteria for supplernental impacts and are therefore considered te, be less-than-significant. . Martinelli Way/Hacienda Drive-Intersection serv:,ce level would change from LOS A to LOS C during the Saturday peak hour as a result of additional Project traffic and the construction of Martinelli Way, which results in the need to convert the existing traffic signal operations from a 3-phase to an 8-phase systern. . 1-580 Eastbound Off-ramp/Hacienda Drive-Intersedion operations would change from LOS A to LOS B for the weekday PM and Saturday peak hours. . 1-580 Westbound Off-ramp/Hacienda Drive-Intersection operations would change from LOS A to LOS B for the Saturday peak hour. . Dublin Boulevard/Dougherty Road-Weekday PM peak hour intersection operations would change from LOS D to LOS A with project traffic and planned road improvements assumed in this study Although intersections near the site would experience additional traffic from the proposed Project, LOS would not be decreased below City of Dublin standards of significance for intersections. This would therefore be a less-than-significant impact. Table 4.3.4 summarizes Existing, Baseline and Baseline' Plus Project impacts during AM IKEA Draft Supplemental EIR Page 62 City of Dublin November 2003 PA 02-034 peak hour conditions. Table 4.3.5 summarizes traffic under the same conditions but under PM peak hour conditions. Table 4.3.6 summarizes traffic under the same conditions under Saturday conditions Cumulative Build-out Analysis. Build-out conditions include existing traffic, Baseline traffic, and traffic generated by planned long-term development. The City of Dublin provided Fehr and Peers with a list of potential projects representing the build-out of Dublin. The amount of traffic generated by these developments during weekday AM-, PM-, and Saturday-peak hours was estimated frorn ITE's Trip Generation (6th Edition) and project traffic studies. Fehr & Peers (in conjunction with T]KM Transportation Consultants) developed the build-out TRAFFIX model used in this study to represent the conditions of approved, pending, and build-out projects in Dublin with and without the IKEA Project, as well as the development potential within the cities of Pleasanton and Dougherty Valley. The rnodel quantifies the relative impact of Dublin build-out on the local road system. The model distributes, assigns, and analyzes traffic at local city intersections. The model was developed to better understand City of Dublin traffic on a local level, such as at key intersections and local streets, which a regional model (for example, the 2025 Tri-Valley Model) does not fully consider. While the TRAFFIX model uses a local focus approach to forecast traffic within Dublin, the model also takes into account regional traffic patterns by considering potential traffic diversions from 1-580 to adjacent surface streets within the 1-580 corridor. The build-out projects in Dublin (including the Transit Center development just west of the Project site) are estimated to generate approximately 273,000 trips during a typical weekday. AM peak hour net new trip generation is expected to be 22,000 trips (13,700 inbound and 8,300 outbound). Net new trip generation for the PM peak hour is expected to be 27,300 (11,100 inbound and 16,200 outbound). The build-out scenario is expected to generate 24,400 net new Saturday peak hour trips (12,800 inbound and 11,600 outbound). The build-out traffic estimates for Pleasanton and Dougherty Valley are summarized in Appendix C of the Traffic Study by land use type, size and the resulting trip generation estimates. Combined Pleasanton and Dougherty Valley development assumed in this study is estimated to generate about 6,110 trips during the AM peak hour. Trip generation is expected to be 9,510 trips during PM peak hour. Saturday peak hour traffic is expected to be 7,990 trips. The final traffic forecasts in this study were compared to Pleasanton's forecasts (Le., across the affected interchanges) for consistency between models. The directional distribution of trips generated by developments in Dublin, Pleasanton, and Dougherty Valley was estimated using a combination of distributional characteristics frorn the Tri-Valley traffic rnodel, previously completed traffic studies, and local knowledge of travel patterns. Traffic generated by the developments in Dublin, Pleasanton, and Dougherty Valley was assigned to the roadway system using the software TRAFFIX. The assigned traffic was added to the Baseline conditions turning movement volumes (from Figures 8A / IKEA Draft Supplemental EIR Page 63 City of Dublin November 2003 PA 02-034 8B) to obtain Build-out condition traffic forecasts. Traffic assignments used the closest proximity interchanges to access 1-580 while traffic wa:; also distributed more evenly among interchanges in a rnanner consistent with the effects of ramp rnetering on traffic patterns in the study area. The resulting turning movement volumes under Build-out conditions for the IKEA Project are shown on Exhibit J 5. Additional future roadway improvernents are planned within the study area and are represented in the Build-out conditions analysis. Road :mprovements incorporated into the Buildout conditions analysis include the following: . Dublin Boulevard/Tassajara Road Capacity Improvements - Addition of two westbound left-turn lanes, one through lane and one right-turn lane; one northbound left-turn lane and two through :,anes; one eastbound left-turn lane and one through lane; and one southbound left-turn lane. Some of these improvements have been constructed, but are not open to traffic. (Eastern Dublin TIF improvement) · Dublin Transit Center Roadways - Incorporation of new and improved roadway connections at the Dublin Transit Center due to development of the Transit Center. Reduction from two to one northbound exclusive left-turn lanes on Iron Horse Parkway at Dublin Boulevard. The ultimate lane configurations for this approach would consist of one left-turn lane and one shared right/left turn lane. (The approved Dublin Transit Center is responsible for reconstructing Iron Horse Parkway between Dui,lin Boulevard and Martinelli Way.) · Scarlett Drive Extension - Extension of Scarlett Drive from Dublin Boulevard north to Dougherty Road and associated intersection improvements at Dublin Boulevard/ Scarlett Drive and Dougherty Road/Scarlett Drive, as identified in the Transit Center EIR. For analysis purposes, 75 percent of the southbound left turns and westbound right turns at the Dublin Boulevard / Dougherty Road intersection were assumed to shift to the Scarlett Drive Extension. Eastern Dublin TIF improvement) . Dublin Boulevard/Hacienda Drive Capacity Improvements - Addition of one westbound through lane and conversion of a northbound right-turn lane to a third through lane. (Eastern Dublin TIF improvement) · Hacienda Drive/I-580 Westbound Off-ramp Capacity Improvements - Widening of the northbound Hacienda overpass to four lanes to accommodate an exclusive lane leading to the 1-580 westbowld loop on-ramp. Addition of one shared right/left-turn lane on the off-ramp approach. These improvements are identified in the Transit Center and East Dublin Properties EIRs. (The approved Dublin Transit Center is responsible for funding these improvements.) · Hacienda Drive/I-580 EB off-ramp Capacity Improvement - Addition of one shared right/left-turn lane on the off-ramp approach, as identified in the East Dublin Properties EIR. · Dublin Boulevard/Dougherty Road Capacity Improvement - Addition of ultimate improvements as identified on pages 158, 159, and 167 of the Transit Center DEIR and page 3.6-17 of the East Dublin Properties Draft SEIR. These improvements are expected to occur with the developrnent of the Transit Center project. (Eastern Dublin TIF improvement) IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 64 November 2003 · Dougherty Road/l-580 WB Off-ramp Capacity Improvement - Addition of one southbound free right-turn lane and one shared right/through lane by re- striping an existing shoulder area, and widening of the westbound diagonal on-ramp to two single-occupancy vehicle lane'3 as specified in the Transit Center EIR. (Local developers, including the Transit Center development, will contribute their fair share of these improvements as part of the planned intersection improvements at Dublin Boulevard/Dougherty Road,) . Fallon Road Extension - Extension of Fallon Road north to Tassajara Road to include four lanes of traffic. (Eastern Dublin TIF improvement) . Dublin Boulevard/Arnold Road Capacity Improvement - Addition of a second eastbound left-turn lane (Eastern Dublin TIF improvement) plus ultimate improvements as identified in the Transit Center EIR. (Unless previously constructed by others, such as the proposed IKEA project, the Transit Center development will be responsible for constructing the western frontage improvements and all travel and turning lanes and the median within the existing right-of-way for Arnold Road between Dublin Boulevard and Altamirano Avenue.) . Dublin Boulevard Extension_- Extension of Dublin Boulevard east to Fallon Road to include six lanes of traffic. (Eastern Dublin TIF improvement) Buildout LOS was calculated for the study intersections using the buildout traffic volumes and roadway improvements discussed above. Tables 4.3.7, 4.3.8 and 4.3.9 present the LOS results at buildout conditions. LOS calculation worksheets are included in Appendix F of the Traffic Study. One intersection, Dublin Boulevard/Dougherty Road, would be anticipated to have degraded level of service operations during the PM peak hour with or without the addition of the proposed IKEA Project. As noted in Tables 4.3.7, 4.3.8 and 4.3.9, the proposed IKEA Project would have incrernental impacts to the study intersections as compared to the existing Campus Office land use designation. During the weekday AM peak hour, the incremental impacts are generally beneficial as compared to the existing land use designation on the site. Weekday PM peak hour incremental impacts would be mixed; the IKEA Project causes increased V / C ratios at some locations but decreases the V / C ratio at other areas. Saturday peak hour incremental impacts are more substantial with the IKEA Project increasing the V / C ratios at most study intersections. While the IKEA Project and existing Campus Office land use designation would generate similar levels of traffic during the weekday PM peak hour, the trip distribution and assignment characteristics differ due to differences in land uses. These differences explain the variance in intersection operations, which are documented in Tables 4.3.7, 4.3.8, and 4.3.9. Supplemental Impact TRA-2: Cumulative impacts at study area intersections. Based on information contained in Tables 4.3.7, 4.3.8 and 4.3.9, anticipated traffic contributed to the local roadway system by the proposed IKEA project would not exceed standards of significance as identified in the DSEIR and would therefore be less- than-significant. Nonetheless, at build-out even without the Project, Dublin Boulevard/Hacienda Drive (PM peak), Dublin/Boulevard/Arnold Road (pM peak), and Dublin Boulevard/Dougherty Road will operate below LOS D. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 65 November 2003 Although Dublin Boulevard/Hacienda Drive intersection was identified as a significant cumulative impact in the Eastern Dublin EIR, the Easte:m Dublin EIR did not evaluate traffic conditions at the Arnold Road/Dublin Boulevard intersection, since Arnold Road was not included as a roadway within the Eastern Dub:.in Specific Plan or the associated General Plan Amendment. Arnold Road was constructe:i as part of the Eastern Dublin BART station, which is located just west of the Project site. The BART station site was not included in the Eastern Dublin General Plan Amendment/Specific Plan, but has since been approved as the Dublin Transit Center and the Eastern Dublin Specific Plan and General Plan have been amended to include this 91 -acre site into the Eastern Dublin Specific Plan and General Plan. Tables 4.3.7, 4.3.8 and 4.3.9 present the intersection operation results with the identified road improvements. PM peak hour operations at the Lublin Boulevard/Arnold Road intersection are expected to improve to LOS E (V /C = 1.00) with the IKEA Project, which is a significant impact. With the mitigation described below, this is further improvement to LOS D (V /C = 0.88), to a level of insigrrificance. Both the AM and Saturday peak hour operations are acceptable without or without the mitigation measure. SM-TRA-2: Project developer shall pay its proportioncte share, based on trips generated, of the cost of installing a southbound-to-wEstbound right-turn lane at the Dublin Boulevard/Arnold Road intersection. The southbound Arnold Road approach at Dublin Boulevard would consist of one left-turn lane (existing), one through lane (existing in the form of a right-turn lane), and one right-turn lane. With this mitigation, the Dublin Boulevard/Arnold Ro.id intersection will operate at acceptable levels of service. This supplemental cumulative impact will be reduced to a level of insignificance. Cumulative Freeway Segment Conditions with the Project. To identify potential mainline freeway impacts, weekday AM and PM peak hour freeway traffic forecasts were obtained from the Dublin Transit Center Environmental Impact Report (SCH # 2001120395) available at the City of Dublin Community Development Department) As noted, the proposed IKEA Project is expected to generate similar levels of freeway- related traffic as compared to the previous forecasts in the Eastern Dublin EIR. Differences in the forecasts can be attributed to the different trip generation characteristics and the differing distribution characteristics associated with an ernployment (campus office) center versus a retail cen1er. Six mainline freeway segments were analyzed along 1-;80 and 1-680 in the Project area. They are the following segments: 1-580: 1-680 to Dougherty Road Dougherty Road to Hacienda Drive Hacienda Drive to Tassajara Road Tassajara Road to Fallon Road 1-680: 1-580 to Alcosta Road 1-580 to Stoneridge Drive IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 66 November 2003 As shown on Tables 4.3.12 and 4.3.13, several freeway segments near the Project site are expected to operate below the Alameda County Congestion Management Authority's standards for the LOS Monitoring Program. However, similar to the E1R conclusions documented for the Transit Center development, if IKEA Project trips were added to Year 2025 No Project mainline volumes on 1-580 and 1-680, projected LOS for freeway segments within the study area would remain unchanged during the AM and PM peak hours. Supplemental Impact TRA-3: Cumulative increase of Project related traffic on adjacent freeways. The proposed IKEA Development Project would add additional vehicles to already deficient conditions on some of the freeway segments as identified in Table 4.3.12 and 4.3.13. This is considered a significant cumulative impact. This was also identified as a significant cumulative impact in the Eastern Dublin EIR. Mitigation for impacts to these freeway segments is not feasible since freeway improvements are not under the City of Dublin's jurisdiction. However, the Project remains subject to Mitigation Measures 3.3/1.0, 3.3/2.0, 3.3/2.1, 3.3/3.0, 3.3/4.0, 3.3/5.0 in the Eastern Dublin EIR, which generally require developers to contribute their proportionate share towards regional freeway improvenents. Non-residential development projects with 50 or more ernployees are also required to participate in a Transportation Management System program to reduce the use of single-occupant vehicle use. These measures have been implemented through the requirement that development projects in the Tri-Valley area pay the Tri-Valley Transportation Developrnent (TVTD) Fees. Such fees fund the construction of planned freeway improvernents, including HOV lanes, auxiliary lanes, and interchange improvements on 1-580 and 1-680. The IKEA Project will be required by a condition of project approval to pay the appropriate TVTD Fees. Therefore, the impact of the freeway system of 1-580 and 1-680 in the Project area remains a significant unavoidable cumulative impact. Consistency with Alameda County Congestion Management Agency Thresholds. Analyses were completed for Routes of Regional Significance and the Metropolitan Transportation System (MTS). The Alameda County Congestion Management Agency (ACCMA) rnay require additional analysis if specific project trip generation thresholds are exceeded. The threshold for analysis is met if the project generates more than 100 net new vehicle trips during either the weekday AM or PM peak hour. The current Eastern Dublin Specific Plan land use designation on the site is Campus Office. Supplemental Impact TRA-4: Impacts on ACCMA Routes of Regional Significance. To assess whether an additional roadway analyses is necessary, the IKEA Project trip generation was compared to the current land use designation for the site, as shown in Table 4.3.10. As previously noted in this SDEIR, the net new peak hour trips generated by the IKEA Project would generate fewer trips than the 100-trip threshold (as IKEA Draft Supplemental EtR City of Dublin PA 02-034 Page 67 November 2003 compared to the current Campus Office designation) necessary to conduct additional roadway analyses on the Routes of Regional Significance and the MTS routes. Based on the information shown in Table 4.3.10, there would be no impact with regard to Alameda County Congestion Management Agency thresholds. Table 4.3.10. Congestion Management Agency Trip Generation Assessment AM Peak Hour Trips PM Peak Hour Trips II<EA Development Project 455 881 Campus Office (Existing 975 922 Specific Plan designation) Trip Difference - 520 - 41 Source: Fehr & Peers, August 2003 Impacts to Average Daily Traffic (ADT) volumes on local arterial roadways. Fehr & Peers calculated Average Daily Traffic (ADT) f,)recasts for typical weekday conditions for four arterial road segments near the proposed Project including Hacienda Drive north of Dublin Boulevard, Hacienda Drive North of Martinelli Way, Hacienda Drive north of 1-580 and TaBsajara Road south of Dublin Boulevard. The results are summarized below in Table 4.3.11. Table 4.3.11. Weekday Average Daily TI'affiC Forecasts Existing Base- Ba!;,eline Plus Build-out Plus line IKEA IKEA Development Development Project Proj ect Hacienda Drive North 11,140 12,940 13,170 24,550 of Dublin Boulevard Hacienda Drive North 20,550 23,060 23,140 38,330 of Martinelli Way Hacienda Drive North 29,479 31,989 38,979 65,456 of 1-580 Tassajara Road South 26,287 32,587 32,787 59,177 of Dublin Boulevard Source: Fehr & Peers, August 2003 The above forecast were developed using the following methods: · The City of Dublin conducted 24-hour traffic counts for Hacienda Drive between Hacienda Crossings and 1-580 westbound ramps and Tassajara Road between Koll Center Drive and Dublin Boulevard in May 2003. This data was used to determine existing ADT forecasts for Hacienda Drive north of 1-580 and IKEA Draft Supplemental EIR Page 68 City of Dublin November 2003 PA 02-034 Tassajara Road south of Dublin Boulevard. The future traffic forecasts were developed by adding the daily traffic (calculated as 10 times weekday PM peak hour traffic) generated by approved projects, build-out projects, and the IKEA project to the existing volumes, as applicable, to the appropriate scenario. . The ADT data for Hacienda Drive north of Dublin Boulevard and Hacienda Drive north of Martinelli Way was not developed from traffic count but calculated by increasing weekday PM peak hour traffic 10 times. According to the City of Dublin General Plan, the following roadway design standards (upper threshold) are assumed based on ADT: . 30,000 vehicles per day - four lanes . 50,000 vehicles per day - six lanes . 70,000 vehicles per day - eight lanes Supplemental Impact TRA-5: Impacts on local roadway links. The number of lanes provided at each roadway segment for each scenario is sufficient to accommodate the calculated traffic as shown in Table 4.3.11. 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Year 2025 Mainline Freeway Operations, AM Peak Hour Location Capacity Transit Center Build- Build-out out 1 With IKEA Development Project Volume LOS Volume LOS 1-580, 1-680 to Dougherty Road Eastbound 9,200 7,439 D 7,319 D Westbound 9,200 10,536 F 10,665 F 1-580, Dougherty Road to Hacienda Drive Eastbound 13,800 7,339 C 7,200 C Westbound 9,200 10,414 F 10,528 F 1-580, Hacienda Drive to Tassajara Road Eastbound 11,500 5,681 C 5,685 C Westbound 9,200 11,177 F 10,942 F 1-580, Tassajara Road to Fallon Road Eastbound 9,200 5,705 C 5,710 C Westbound 9,200 10,549 F 10,324 F 1-680, 1-580 to Alcosta Blvd. Northbound 6,900 6,277 E 6,329 E Southbound 6,900 6,074 E 6,026 E 1-680,1-580 to Stoneridge Drive Northbound 6,900 4,674 D 4,616 D Southbound 6,900 5,238 D 5,300 D Note: Assumes maximum service flow rate of 2,300 passenger cars per hour per lane. 1 Traffic volumes and Level of Service (LOS) obtained from the Dublin Transit Center Environmentallmpac/ Report, July 2002. Forecasts include Commerce One project. Source: HighwayCapacityManual, Chapter 23, Table 23.2, LOS Criteria for Basic Freeway Sections, Transportation Research Board, 2000 IKEA Draft Supplemental EIR City of Dublin P A 02-034 Page 78 November 2003 T bI 4 3 13 Y 2025 M 'nr F o ti PM P ak H a e . . . ear at Ine reewa V Jpera ons, e our Location Capacity Transit (:enter Build- Build-out out 1 With IKEA Development Project Voluml! LOS Volume LOS 1-580,1-680 to Dougherty Road Eastbound 9,200 10,541 F 10,839 F Westbound 9,200 8,840 E 8,890 E 1-580, Dougherty Road to Hacienda Drive Eastbound 13,800 9,878 D 10,143 D Westbound 9,200 8,600 E 8,617 E 1-580, Hacienda Drive to Tassajara Road Eastbound 11,500 10,150 E 9,975 E Westbound 9,200 7,318 D 7,330 D 1-580, Tassaiara Road to Fallon Road Eastbound 9,200 10,395 F 10,230 F Westbound 9,200 6,656 D 6,678 D 1-680, 1-580 to Alcosta Blvd. Northbound 6,900 7,486 F 7,506 F Southbound 6,900 5,762 D 5,881 D 1-680,1-580 to Stoneridge Drive Northbound 6,900 5,436 D 5,579 D Southbound 6,900 6,034 E 6,058 E Note: Assumes maximum service flow rate of 2,300 passenger cars per hour per lane. 1 Traffic volumes and Level of Service (LOS) obtained from the Dub/in Transit Center Environmentallmpact Report, July 2002. Forecasts include Commerce One project. Source: Highway Capacity Manual, Chapter 23, Table 23.2, LOS Criteria for Basic Freeway Sections, TransDortation Research Board, 2000 IKEA Draft Supplemental EIR City of Dublin P A 02-034 Page 79 November 2003 '~O ':fON31:J':fH 'O~ 010N~':f 'O~ AJ.~3H!)noo ~ ,.,; 0. :;;!~ go 31J.~M'I z w U .~O ':fIN~38H ~':fr':fSS':fJ. o ci ::; Cl It z :; Cl :::J o 8 '~o .LL31~':f:JS I . .. .. .. , , , , , , , I I , @ ~ a> ro u CJ') Z.8 o Z >en cz ::>0 1-- ent) uw -en lL.a: lL.w <(I- a:z 1-- CO) .... - :c :E )( w 8 <::> '" c;; '" g> ~ <( II: ~ 0 ll. Ca w 'S II: Cf) ~ c:: (,) c ~ l) .g ~ rJl -l t:: rJl {g ~ 0 >, c Z ,tj co ~ ;: w a> .:.< 'C @ :E rJl co Z Q; U co 0 ;::: 0 E t= 0:: ~ II: t- a> Cl> ~I- :> >, .... ~ Z 'C 0:: ::l W ::l <( 'S "<:l ...Ju -l U5 CD U. ... lIlw ~ II .11 II ~ ::)~ ClO z C w u.a: :E z lij oa. w ~O l) >ct -l ~ ll. W I-W ll. ...I 0 -~ :;:) CI) u_ en l5"~ ~i~ ~~~ ~+~ Dublin Blvd. 65 (255) [115]"" 6(11)[3]" 165(616)[434]~ ~ ;S~ to._ 0- ::::i ~~ +~ I Mar1inelli wayr · .,; 52 a: - S 'D ~ .. g ~ ~ ; i ~ ~ ~ . . 199(B7)lZ3l"" · 3l3B(1,217)[614]". . "" Q. Ql S20(1,116)[607]" ~ 5(8)l2J~ ~ ,g ~2(7)l2J 7(17)[5] 1""14(53)[7] ~t", ~a~ ~~~ ~~ ", [~ ;:-~ s;... ~i 00(8)[5] 757 (693) I5B3I Dublin Blvd. .... !ISO (B5O) (578] I"" 101 (3J) I42l Dublin Blvd. ", ", ~ ~ ~ ~ III ;- ~ 293 (334) l2fSJ I"" 555 (473) [374] 1-580 we Ram _6' &::.~ [~@ g!~~ ~+~ , ~; E <( · .J Mar1inelli way I ......... ----.. . . . . . . . . · 4- 751 (1.248)!645] · 1""42(24)~ . . Dublin Blvd. 0(15)[0]"" g 721 (1.132)[607]" ~ 17(37)(12]~ ~ ", ", !R' ~ ~ ~ i 5!! ~ 'l:: .! .,; S44(4al)[274]"" ~ co 1,165 (554) (39JJ ~ :I: SOURCE: Fehr & Peers, Transportation Consultants, August 2003. CITY OF DUBLIN IKEA PROJECT SUPPLEMENTAL ENVIRONMENTAL IMPACT REPORT 2S2 [271) (207)~' 138(241) (225J-t. 515 (3l6) [395]~, ~~ ::'i I~ ~+ ~ ~ 531 (542)[718]"" 1,a37 (361) [273] ~ '" l'r~ ::.1S.Jl2: ~llilS ;r~ 1S (5) l2J"" 1(1)[0]" 56(24)[38J~ Pimlico Or. t;tj+ 6'~~ I:::._irj' ~~- --I::: ;::!{l 00(96) [521"" 159 (71 5) (316).... 1ce(47a) [259)')f,. ~41 (16)[201 268 (.m) 13191 I"" 195(14O){213] Dublin Blvd. ", ", Wlii'~ ~=-:;:. ~~~ ~~if ~ · J Mar1inelii way I ......r [ ~-=- 0.0 <(ro w~ ;!; ~ . I Ati;mjra-;:;o -Av-;. t .. . i ~179(420)[209] .l: ....EOl(555) [411l 8 1""193{33111213] Dublin Blvd. ", ", m:~~ 6"~;=- :;;lB~ ~~~ LEGEND: O = Study Intersections XX[YY](2Z) = AM [PM] (Saturday) Peak Hour Traffic Volumes - - - - = Future Roadway ~ ~ I ... I I I I I I .,; a: i ~4(1)16J .l: 0(3)[0] 8 __17(8)[8] J Scarlett Dr ",t", i:i'li':: -;::.- ~E6"~ ~5~ ~ .,; . ~~ a: ~~i !!1BM N -l;:; ;-+~ 31 (8B) [105]"" :m (656) [353] 3l3B (564) {623J ')f,. Exhibit 14 EXISTING PEAK HOUR TRAFFIC VOLUMES ~ ::~ ~ ~ ("':1--- N'~iB' ~~~ .; ~eJ(267)[191J ~~ Vi~_ ~~g ~.-- i'i5' .. S12 (ffi9) [634J :::'?i ~~~ ~!~ ~ ~585(ll91)[Efi8j m__ -- ~.'ll Dublin Blvd. ~. ~.'ll ~+", ", 1-580 EB Ram I~~ ~i 'ti 162(511) [294],;t a: ".lQ. i~ 939(1,100)[1,366j,;t ~ 6(1,502)[642]- ~~~ 138(241)[225)_ ~ 372 (210) [646J~ ~~~ ~re Sl5(446)[471)~ ~ " - CD ~ <J:l a; ... c5 ~~ -~ Q ~- .. ~I?J .. IE' '0 '0 C ~~ ~~ c ,!!! ~Z3(42)[67] .!II " ~~~ " ~::: .. .. ....20(40)[9] 1ij~ :z: $:!~ :z: ~137(348)[t981) n ~ 'll Maninelli Wa ~. ~. ~+", ", ", 2 (58) [!I6J,;t ~ii ~~ 2.041 (1 ,178)(1 ,977],;t n~ ,,:=: ~i 20(100) [0) ~n' ~1il. i- 43:J (1.323) [1,109]~ le.:::i ;:j-::' 1,454 (558) 1463j~ ~~ ~_~N -~ gj _N ! -- &~W 'ti ,; ;:~~ ,; a: ~~~ a: a: '0 ~ ~37(165)161] :!i! ~-- g ~ 101 (24)[10] -IE'~ -W 0 ~ 34 (156) 12431 ~- ~t:!.~ E -~~ <( 1,781 (2.CQl)[1,Sll9j _l:l._ ~ 620(200)[140) ..: ~-- !Hl$l ~<O:::. "lB~ ~332(1S9)[1S6] ~ sa; (110) [221) Vif(j ~.'ll Dublin Blvd. ~.'ll Maninelli ~.'ll ~+", ~1'" 6'31 (OJ) [277],;t ~~~ eJ(1ED) [161,;t ~~& 20 (3ll) [2S},;t 1,411 (2.489)[1,592)- ~!e~ 200(332)[1~ ~~1 273(197) [434J~ ~~ 2O(10)[3J~ 10(2O)[O)~ ~ fil :Blli ....2.105(2.772) (2.ce:l) ~221 (9J)[93J I ~ r6 ~ ~ ~ ~ ~ 'll c5 ii ~ 340(739) [343] B 1,4l5(2.632)11,SalJ '" ~67(37)[47) ~~ ~ o;'lii~ wi~ ;::---~ ~.'ll Dublin Blvd. Dublin Blvd. i ~ 324 (7Zl) [J35J .r; 0(3)[0) g ~17(8)18I Scanett Dr. 18(5)[2]"" 1(1)[0) $(24)l38l~ ~+", i!I~E: ~:=:!S' ~;~ i ~ ", ~ i ~ ~ U; ~ t [; ~ ~ "- .. 2.369 (2.635) [2.229J 5 225(148)[45J~ ~ ,g <18(69)[43]"" 1,966 (1.952) [1.563] 49(54)l38l~ 'ti a: Iii 'ti a: 1,005 (6eJ) [S23],;t ~ 1,638(724)I577J~ :f! SOURCE: Fehr & Peers. Transportation Consultants, August 2003. f5~ -~- - "' ~ Dl. ~:::~ U~ ~ 'll 228 (181)[134],;t 9:6(2.421) [1.422J_ 242(810)[325J~ c5 ~ ~46(17)[21) 15 1,383(1.327)[1.378) ~ ~:m (200) 13661 Dublin Blvd. ~+", ~l~ ~~~ ~~8 "~.- c ~ gr ~ ~ 267 (28) [51J ~ ~ 1:5 ....1.145(33:))[381] .... ~ ~ 155 (371) (9)4) ~ 'll Martinelli Wa 73(8) [14J,;t 420 (1 Z38) [71 9) 7 (12) [40)~ 'ti ~ lll_- ~ ~ g . ~ .;;: i iii ~ 'll Altarrllrano Ave. 100 (OJ) [34)"" 0(20)[0)- . it) "CI ~!li.W IX -F::'=- ~fl~ ;;:~.lil N__ ~.'ll 1:5 (357) [3J7]"" 1,174(1,491}[1,123] SeJ (9:)1) [954]~ ~ ", E ~ .~ ~ CD & ~ ~38(138)(3:15) ! ~67 (171)[102) " 1.273(1,540)[1.165) 8 ~410(1.C68)[492] Dublin Blvd ~t", ;::--- ~l[~ i~~ ~i~ LEGEND: o = Study Intersections XX(YY)[ZZJ = AM (PM) [Saturday] Peak Hour Traffic Volumes CITY OF DUBLIN IKEA PROJECT SUPPLEMENTAL ENVIRONMENTAL IMPACT REPORT Exhibit 15 BUILD-OUT PEAK HOUR TRAFFIC VOLUMES 5.0 Alternatives to the Proposed Proj ect The California Environmental Quality Act requires identification and comparative analysis of a reasonable range of feasible alternatives to the proposed Project which have the potential of achieving most of the Project objectives and would avoid or substantially lessen any of the significant impacts of the Project. 5.1 Alternatives Identified in the Eastern Dublin EIR The Eastern Dublin EIR was prepared for a General Plan Amendment encompassing approximately 6,920 acres of land and for a Specific Pbn for 3,328 acres within the General Plan Amendment area. The General Plan Amendment and Specific Plan (GP A/SP) proposed a variety of types and densities of housing, as well as employment- generating commercial, campus office and other land uses. Other portions of the planning area were designated schools, open space and other community facilities. Protection for natural features of the planning area, induding riparian corridors and principal ridgelands, was provided through restrictive land use designations and policies. The land use plan reflected the Eastern Dublin Project objectives as set forth in the Eastern Dublin EIR, Section 2.5. As required by CEQA, the Eastern Dublin EIR identified project alternatives that could eliminate or reduce significant impacts of the Eastern Dublin Project. The four identified alternatives included: No Project, Reduced Planning Area, Reduced Land Use Intensities and No Development. These are described below: No Project Alternative. The No Project alternative evaluated potential development of the GP A/SP area under the then-applicable Dublin General Plan for the unincorporated portion of the planning area under the Alameda County General Plan. Reduced Planning Area Alternative. The Reduced Planning Area Alternative evaluated development of the Specific Plan as proposed, but assumed development beyond the Specific Plan only to the Dublin Sphere of Influence boundary. The effect of this alternative was to exclude Upper and Lower Doolan Canyon properties from the project. Reduced Land Use Intensities Alternative. The Reduced Land Use Intensities Alternative evaluated potential development of the entire GP A/SP area, but reduced some higher traffic generating commercial uses in favor of increased residential dwellings. No Development. The No Development Alternative assumed no developrnent would occur in the planning area other than agricultural, open space and similar land uses then in place. The Dublin City Council certified the Eastern Dublin EIR on May 10, 1993, under Resolution No. 51-93. The City Council found the No Project, Reduced Land Use Intensities and No Developrnent alternatives infeasible and then approved a modification of the Reduced Planning Area Alternativ(~ rather than the GP A/SP project IKEA Draft Supplemental EIR Page 83 City of Dublin November 2003 PA 02-034 as proposed (Resolution No. 53-93). This alternative was approved based on City Council findings that this alternative land use plan would reduce land use impacts, would not disrupt the Doolan Canyon community, would reduce growth-inducing impacts on agricultural lands and would reduce traffic, infrastructure and noise impacts of the originally proposed Eastern Dublin Project. Even under this alternative project, however, significant unavoidable impacts would remain. Therefore, upon approval of the GP A/SP, the City Council adopted a Statement of Overriding Considerations (Resolution No. 53-93). 5.2 Alternatives Identified in this Supplemental EIR The Initial Study prepared for this proposed Project (see Appendix8.1) identifies the potential for new or significantly intensified significant impacts beyond those previously identified in the Eastern Dublin EIR pursuant to CEQA Guidelines Sections 15162 and 15163. The potential for new or intensified significant impacts primarily derives from increased regional traffic using 1-580 and related effects on air quality. These and other impact areas are further discussed in Section 4. With identification of supplemental impacts, this DSEIR identifies new alternatives that could avoid or lessen these impacts. No Project and No Development alternatives are also discussed. Alternatives selected for analysis in this DSEIR include: Alternative 1: "No Project," which assumes development on the Project site under the existing Eastern Dublin General Plan and Specific Plan. Alternative 2: "No Development," which assumes the IKEA Project site would remain vacant. Alternative 3: Reduced intensity development. Alternative 4: Mixed-use development on the IKEA Project site. The following analysis compares the supplemental impacts of the IKEA Project to the potential impacts of the alternatives, and evaluates whether the alternatives would cause potentially significant impacts of their own. Since some of the Project supplemental impacts cannot be avoided even with mitigation, the following analysis also examines whether the alternatives would avoid the Project's significant unavoidable impacts. 5.3 Alternative 1: No Project The No Project Alternative assumes development on the Project site under the existing Eastern Dublin General Plan and Specific Plan. The existing land use designation on the site is Campus Office, which allows for construction of attractive, campus-like settings for office and related non-retail commercial uses that do not generate nuisances related to noise, odors or outdoor storage of materials. Floor area ratios for the Campus Office land use designation range from 0.25 to 0.75. The impacts of the existing Campus Office designation were analyzed in the Eastern Dublin EIR. A previous campus office development, Commerce One, was approved by the City of Dublin on the Project site but was later withdrawn by the applicant prior to construction; however, land use entitlements for the Commerce One project remain in effect. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 84 November 2003 Air Quality. Campus Office development on the project site would generate approximately 20% more trips than General CommerciC'1 during P.M. weekday peak hours. The higher trip levels compared to the Project would also increase ozone precursor emissions to approximately 72 pounds/ day for ROG, 70 pounds/ day for NOX and 55 pounds/ day for PMlO' Therefore, development of Campus Office uses under the No Project Alternative would not exceed the BAAQMD threshold and would not be significant and unavoidable on a project and cumulative level. Biological Resources. Under the No Project Alternative, Campus Office development would be expected to occur across the entire 27.54- acre site. Biological impacts anticipated with the development of Campus Office en the Project site were analyzed on a programmatic level in the Eastern Dublin EIR. The identified impacts included both cumulative impacts such as loss of open space character and the potential for site specific impacts to sensitive plant and wildlife species. These are summarized in Section 4.2 of this document. Because Campus Office development under the No Project Alternative would result in developrnent of the site to urban uses, the cumulative loss of open space character would be the same as for the Project. The site-specific biological assessment conducted as part of this DSEIR identified no special-status plants or animals on the Project site, so no biological resource impacts are anticipated for either the No Project Alternative or the proposed Project. Traffic and Circulation. As noted in Tables 4.3.7, 4.3.8 and 4.3.9, the proposed IKEA Project would improve performance at the study intersections as compared to the existing Campus Office land use designation during the weekday AM peak hour. Weekday PM peak hour impacts would be mixed; the IKEA Project causes increased V /C ratios at sorne locations but decreases the V /C ratio at others. While the lKEA Project and existing Campus Office land use designation would generate similar levels of traffic during the weekday PM peak hour, the trip distribution and assignment characteristics differ from one land use to the other. These differences explain the variance in intersection operations, which are documented in Tables 4.3.7, 4.3.8, and 4.3.9. Differences in Saturday peak hour impacts are more substantial with the IKEA Project increasing the V /C ratios at most study intersections. Table 5 in the Traffic Impact Analysis (Appendix 8.7) compares the trip generation of the IKEA Project with the trip generation for a Campus-Office use on the site. Trip generation information for this type of Campus-office use was obtained from the traftic impact study prepared for the Commerce One office development. As shown, net new PM peak hour trips generated by the Campus-office use and the IKEA Project develcpments are similar (Le., within 5 percent). During the AM peak hour, Campus Office would generate substantially more traffic than the IKEA Project, while the reverse is true for the Saturday peak hour. A significant and unavoidable cumulative impact would occur under both the No Project alternative and the proposed Project. 5.4 Alternative 2: No Development The purpose of this alternative is to compare the effects of approving the proposed Project against the existing physical character of the Project site. The Eastern Dublin EIR evaluated the No Developrnent Alternative for the entire GP A/SP planning area. The existing character of the site is vacant and is located nEar existing major commercial and IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 85 November 2003 office uses. Under the No Development alternative, no development would occur on the site. All impacts would be avoided, including the Project's significant contribution to mobile air pollution source emissions, traffic and other impacts identified in Section 4. Air Quality. No new vehicle trips and related emissions would occur. Any air quality impacts would be related to existing use of the property. Biological Resources. There would be no loss of open space character, and no impacts to biological resources as the site-specific survey of the site showed no existing sensitive resources. Traffic and Circulation. Under this alternative, there would be no traffic generation and no change in levels of service at nearby street intersections. Proposed access roads and other transportation improvements envisioned in the Project would not occur. None of the significant adverse impacts on the adjacent freeway system would occur, although significant cumulative Year 2025 impacts could still occur, since 2025 impacts are expected to occur even without development on the project site. 5.5 Alternative 3: Reduced Intensity Alternative This alternative assumes that the Project site would be developed with General Commercial development, however, such development would occur at a Floor Area Ratio of 0.25, near the minimum of the range for the General Commercial land use designations. At this land use intensity, a maximum of 299,475 square feet of commercial uses could be constructed. This intensity has been selected for analysis based on a potential for reduction of both significant regional traffic and cumulative air quality impacts as identified in Section 4. Under this alternative, approximately the same footprint of development would occur with the remainder of the Project site used for surface auto parking and landscaping. Land uses would include those uses permitted by the General Commercial land use designation as described in the General Plan and Eastern Dublin Specific Plan, however, the square footage would be reduced by approximately one-third. Air Quality. Construction-related air quality impacts of the reduced intensity alternative would somewhat less and/or would occur over a shorter period of time than the proposed Project. Incremental carbon monoxide emission impacts of this alternative would be approximately 80% of the proposed Project and would not result in a significant project-level impact. Regional air quality emissions of this alternative, which are roughly proportional to daily trip generation, would be approximately 60% of those anticipated with the proposed Project and would not exceed the BAAQMD's threshold of significance. Therefore, cumulative impacts would be less-than-significant. Biological Resources. Development of the site under the Reduced Intensity Alternative would result in the same loss of open space character impact as the Project. The site- specific biological survey shows that no significant biological resources exist on the site, therefore there would be no impacts to biological resources from either the Reduced Intensity Alternative or the proposed Project. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 86 November 2003 Traffic and Circulation. Under this alternative, daily weekday traffic generation would be approximately there would be approximately 25% less than the proposed build out of the Project. Similar to the Project, less-than-significan1 impacts would result on local streets near the Project site. However, since even under a reduced project scenario, additional trips would be added to adjacent freeways. Significant and unavoidable cumulative Year 2025 impacts to adjacent freeways could still occur, since 2025 impacts are expected to occur even without development on 1he Project site. 5.4 Alternative 4: Mixed Use Development One potential rnethod to achieve economically viable land uses on the site while reducing local and regional traffic impacts is a Mixed Use Development Alternative. In 2002, the City of Dublin approved a mixed-use development on 91 acres immediately to the west of the Project site, known as the Dublin Transit Center. The Transit Center includes development of a mix of campus office (2.0 million square feet), high-density residential (1500 units) and commercial (70,000 squarE' feet) uses within the existing surface parking lot in the East Dublin BART station. A multi-story parking garage is also included in the Transit Center. Given the proximity of the Project site to the East Dublin BART station and bus transit opportunities on nearby Dublin Boulevard, a mixed-use development on the Project site represents a feasible alternative to the proposed Project. Based on the amount of development approved within the Transit Center, a similar but srnaller mixed-use development on the Project site could include up to 450 higher density aparbnent units, 600,000 square feet of office development and 21,000 square feet of comrnercialland use. Air Quality. Construction period impacts of this alternative would be somewhat greater than the proposed Project, although this impa,:t could also be reduced to a less- than-significant level. The incremental carbon-monoxide impact, which would be proportional to peak-hour trip generation, would be ~;imilar to the proposed Project and would not result in a significant impact. The regional emissions of this alternative which are roughly proportional to daily trip generation, would be approximately 40% of those of the proposed IKEA project and would not ,~xceed the BAAQMD level of significance and would therefore be a less-than-significant impact. Biological Resources. Development of the site under the Mixed Use Development Alternative would result in the same loss of open space character impact as the Project. The site-specific biological survey shows that no significant biological resources exist on the site, therefore there would be no impacts to biological resources frorn either the Mixed Use Development Alternative or the proposed Project. Traffic and Circulation. A reduction of approximately 10,000 total daily vehicle trips associated with a mixed-use development compared to General Commercial or Campus Office uses would likely be realized due to the proximity of the West Dublin BART station and the ability of multiple uses on the project site to capture trips that would normally travel on local streets near the site. nUs would represent a less-than- significant impact to local streets, similar to the propo:;ed Project. However a mixed-use development project would still contribute new trips to the 1-580 and 1-680 freeways IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 87 November 2003 which would result in significant and unavoidable regional cumulative conditions on these freeways in the Year 2025. By adding a residential component, the mixed use alterr:.ative could potentially result in other impacts not associated with the proposed commercial IKEA project, including but not limited to increased levels of permanent noise, impacts to the local educational system, impacts to the City's parks and recreation systern and a permanent increase of permanent population in a portion of the Eastern Dublin Specific Plan area where residential uses have not been anticipated. 5.7 Environmentally Superior Alternative Section 15126.6 of the CEQA Guidelines states that if the environmentally superior alternative is the "No Project" alternative (the "No Development" alternative in this instance), the Em shall also identify an environmentally superior alternative among the other alternatives. The No Development Alternative would be the environmentally superior alternative because it would avoid all of the identified Project impacts and the Project's contribution to cumulative impacts. However, consistent with the CEQA Guidelines, an environmentally superior alternative has been chosen from among the other alternatives. Compared to the other alternatives and based on the above discussions, the Reduced Intensity Alternative would be the environmentally superior alternative. This alternative, like all the alternatives other than No Development, would exceed BAAQMD thresholds for ozone precursors, however the level of emissions would be relatively lower than the other alternatives, representing the least contribution to cumulative air quality impacts. Like the other alternatives, the Reduced Intensity Alternative would contribute to Year 2025 significant unavoidable mainline freeway impacts, however its contribution would be the least. Furthermore, unlike the other alternatives, this alternative would reduce traffic impacts along adjacent arterial roadways. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 88 November 2003 6.0 ~uired CEQA Discussion CEQA Guidelines Section 15126.2 mandates a discussiol1 of the following topics in an EIR in addition to those previously addressed: cumulative impacts, unavoidable significant adverse impacts, significant irreversible environmental changes and growth inducing impacts. These impacts are addressed in Sec1ion 4.0 of the Eastern Dublin EIR. The Eastern Dublin EIR discussions of growth inducing impacts and significant irreversible changes are unchanged by the proposed Project because the Project proposes urban non-residential uses similar to the intensity and character analyzed in the prior EIR. Therefore, this section summarizes the :::>SEIR findings regarding the Project's identified significant unavoidable and cumulative impacts, beyond those impacts identified in the Eastern Dublin EIR. 6.1 Supplemental Cumulative Impacts Cumulative impacts are defined by CEQA Guidelines Section 15126.2 as those which taken individually may be minor but, when combined with similar impacts associated with existing development, propoBed development projects and planned but not built projects, have the potential to generate more substantial impacts. CEQA requires that cumulative impacts be evaluated when they are significant and that the discussion describe fr.e 3everity of the impacts and the estimated likelihood of their occurrence. Reasonably foreseeable development projects in the area were fully considered in the Eastern Dublin EIR as were associated cumulative impacts associated with the Eastern Dublin Project. Cumulative impacts addressed in the Eastern Dublin EIR that are related to the impacts analyzed in this Supplement include. · Cumulative degradation of 1-580 freeway operations between Tassajara Road and Fallon Road (Impact 3.3/ A) · Cumulative degradation of 1-580 freeway operations between 1-680 and Dougherty Road (Impact 3.3/B) · Cumulative degradation of 1-580 freeway operations between Tassajara Road and Airway Boulevard (Impact 3.3/ C) · Cumulative degradation of 1-680 freeway operations north of 1-580 (Impact 3.3/0) · Dust deposition soiling nuisance from construclion activity (Impact 3.11/ A) · Construction equipment/vehicle emission (Impact3.11/B) · Mobile source emissions of reactive organic ga~ses and oxides of nitrogen (Impact 3.11/C) · Stationary source emissions (Impact 3.11 /E) The proposed Project would create significant cumulaive impacts beyond those already identified in the Eastern Dublin EIR, as follows: Supplemental Impact AQ-2: Project emission increase that would exceed the BAAQMD significance thresholds for ozone precursors. The number of increased vehicle trips associated with the proposed project would and resulting pollutants would exceed the BAAQMD significance thresholds for ozone precursors. Adherence to mitigation IKEA Draft Supplemental EIR Page 89 City of Dublin November 2003 PA 02-034 measures contained in the Eastern Dublin EIR and Supplemental mitigation measures contained in this document will reduce this impact but not to a less-than significant level and his impact would be significant and unavoidable. Supplemental Impact AQ-3: Regional cumulative air quality impacts. Since the Proposed project, after mitigation, would exceed the BAAQMD thresholds of significance for Reactive Organic Gases and Nitrogen Oxides, the Project would have a significant and unavoidable cumulative impact on regional air quality. Supplemental Impact TRA-3: Increase of Project related traffic on adjacent freeways. The proposed IKEA Development Project would add additional vehicles to already deficient conditions on adjacent freeway segments. This is considered a significant cumulative impact. 6.2 Significant and Unavoidable Environmental Impacts Unavoidable significant adverse impacts are those impacts that cannot be mitigated to a less-than-significant level. CEQA requires decision-makers to balance the benefits of a proposed project against its unavoidable impacts in considering whether to approve the project. If the benefits of the proposed project outweigh the anticipated unavoidable impacts, the adverse environmental impacts may be considered acceptable by the Lead Agency. To approve the project without significantly reuucing or eliminating an adverse impact, the Lead Agency must make a Statement of Overriding Consideration supported by the information in the record. Upon approval of the Eastern Dublin Project, the City Council adopted a Statement of Overriding Considerations for the significant unavoidable impacts identified in the Eastern Dublin EIR. (Resolution 53-93, May 10, 1993.) Any approval of the current Project would likewise require adoption of a Statement of Overriding Considerations for the significant unavoidable supplemental impacts identified in this DSEIR, i.e., supplemental impacts AQ-2, AQ-3, TRA-3. Pursuant to the recent Citizens for a Better Environment case, the Statement of Overriding Considerations would also be required to address the significant unavoidable impacts from the Eastern Dublin EIR that are related to the Project. Significant and unavoidable impacts identified in this Supplement are all cumulative impacts. These impacts were also previously identified as cumulatively significant and unavoidable in the Eastern Dublin EIR. IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 90 November 2003 7.0 Organizations and Persons Consulted 7.1 Persons and Organizations EIR Preparers The following individuals participated in the preparation of this document. Jerry Haag, Urban Planner (project manager) Malcolm Sproul, LSA Associates (biology) Donald Ballanti (air quality) Robert Rees, P.E., Fehr & Peers (traffic and transportation) Jane Maxwell, Blue Ox Associates (graphics) City of Dublin Staff Eddie Peabody, Jr. AICP, Community Development Director Jeri Ram, AICP, Planning Manager Andy Byde, Senior Planner Mike Stella, P.E. Associate Civil Engineer Ray Kuzbari, P.E., Traffic Engineer Applicant Consulting Team Doug Greenholz-IKEA Properties Randy Ackerman- Opus Southwest William Clarke-Consulting Planner Michael Durkee-Allen Matkins 7.2 References The following documents, in addition to those included in the Appendix, were used in the preparation of this DEIR. City of Dublin Eastern Dublin General Plan Amendrnent and Specific Plan, 1993, Wallace Roberts and Todd, as amended City of Dublin Eastern Dublin General Plan Amendment and Specific Plan EIR, 1993, Wallace Roberts and Todd, including supplernents City of Dublin. Eastern Dublin Properties Stage 1 Development Plan and Annexation EIR, 2002. IKEA Project Air Ouality Analysis, Donald Ballanti, October, 2003 IKEA Project Biological Reconnaissance, LSA Associates, October 2003 IKEA Retail Center Transportation Study, Fehr & Pee::s, August 2003 IKEA Draft Supplemental EIR Page 91 City of Dublin November 2003 P A 02-034 8.0 Appendices IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 92 November 2003 Appendix 8.1 Initial Study IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 93 November 2003 City of Dublin Environmental Checklist! Initial Study Introduction This Initial Study has been prepared pursuant to the provisions of the California Environmental Quality Act (CEQA) and assesses the potential environmental impacts of implementing the proposed project described below. The Initial Study consists of a completed environmental checklist and a brief explanation of the environmental topics addressed in the checklist. The applicant proposes to change the land uses for the project site from office to commercial; however, the project maintains an urban intensity development plan generally consistent with the development patterns in the General Plan and Eastern Dublin Specific Plan. Thus, the Initial Study relies on a Program EIR certified by the City in 1993 for the Eastern Dublin General Plan Amendment and Specific Plan (the "Eastern Dublin General Plan Amendment and Specific Plan Environmental Impact Report," State Clearinghouse No. 91103064). That EIR, also known in this Initial Study as the "Eastern Dublin EIR," evaluated the following impacts: Land Use, Population, Employment and Housing, Traffic and Circulation, Community Services and Facilities, Sewer, Water and Storm Drainage, Soils, Geology and Seismicity, Biological Resources, Visual Resources, Cultural Resources, Noise, Air Quality and Fiscal Considerations. Some of the potentially significant impacts identified in the Eastern Dublin EIR apply to the proposed project and, therefore, the adopted mitigation measures also apply and are included in this Initial Study by reference. However, as indicated in the environmental checklist, conditions related to air quality, transportation and circulation, land use and biology may have substantially changed since the Eastern Dublin EIR was certified. These topics will be addressed in a focused supplemental EIR. Applicants/Contact Persons Doug Greenholz IKEA Property, Inc. 3350 Brunnell Drive Oakland CA 94602 Project Location and Context The project site is located on the north side of the 1-580 freeway, between Hacienda Drive and Arnold Road and south of a new east-west connector road formerly called Digital Drive and renamed to Martinelli Drive south of Dublin Boulevard. Exhibit I depicts the location of the project site in context of the larger City of Dublin and Exhibit 2 depicts the project site in relation to Eastern Dublin. The topography of the site is relatively flat, but has a distinct slope to the south, towards the 1- 580 freeway. Two small structures are located on site and will remain. They are a Zone 7 water City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 2 September 2003 facility "turnout" structure located at the southwest corner of the site and a Dublin San Ramon Services District (DSRSD) water chlorination structure, which is immediately adjacent. The site is owned by the Alameda County Surplus Property Authority (ACSP A). IKEA Property Inc. has entered into an agreement to purchase this site from ASCPA. Project background In '1993 the City of Dublin adopted a General Plan Amendrr..ent and the Eastern Dublin Specific Plan, which addressed long-term development of approximately 4,200 acres of land east of the central portion of Dublin. The entire project site is located in the westerly portion of that General Plan Amendment area and is also included in the Eastern Dublin Specific Plan area. The proposed project would implement land uses and other programs included in the General Plan and the Eastern Dublin Specific Plan to the extent that it proposes urban-level non-residential development. The potential effects of changing the land use designations for the project site from Campus Office to General Commercial will be examined in this Initial Study. In February 2001, the City Council approved the Commerce One Project that allowed for the development of a four building, 780,000 square feet campus office complex on the site. This application is further described in Section XVII, Earlier Analysis. In August 2001 Alameda County Surplus Property Authority informed the City that Commerce One was no longer in contract with ASCP A to purchase the iite. Project Description The proposed project involves construction of a retail commercial complex on a 27.54-acre site. The westerly portion of the site would include an IKEA home furnishing facility and the easterly portion of the site would include a Retail Center under separate ownership and management. These are described below. lKEAfacility The westerly 14.34 acres of the site would be devoted to a two-story IKEA home furnishing facility that would sell a wide range of furniture and furnishing products in a 317,000 square foot building. The building would include approximately 217,000 square feet of retail sales, a 21,000 square foot restaurant, 62,000 square feet of warehouse space and 17,000 square feet of office space. The building would be elevated above grade with parldng provided under the building at grad. The building would have a roof height of 51 feet and a maximum parapet height of approximately 70 feet and would be oriented eastward, toward the proposed Retail Center. The IKEA store would have a maximum peak employment (If 400 employees and would be open to the public seven days per week during the hours of 10:00 a.m. to 9:00 p.m., Monday-Saturday, and 10:00 am through 8:00 pm on Sundays. A total of 1,130 on-site parking spaces would be provided, including 502 open, full size spaces, 567 spaces under the building, 20 handicapped accessible spaces, and 41 customer loading spaces. Landscaping would be provided within setbacks along adjacent streets and within the open parking area. City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 3 September 2003 Retail.Center The easterly portion of the project site, encompassing 13.2 acres of land, would be devoted to the Retail Center, consisting of multiple buildings totaling 137,oeD square feet of floor area. Included within this total would be 27,400 square feet of potential restaurant floor space. A total of 665 parking spaces would be provided to serve the Retail Center. The proposed concept for the retail space is a "lifestyle center," which is a specialty retail center with small and medium sized tenants organized like a modified city block with a main street through the center of the project. No specific users or hours of operation have been identified for the Retail Center as of this writing. The Retail Center would have a different owner and would be developed separately from the IKEA store. There would be an estimated 400 employees for the Retail Center. Other actions Grading activities would occur on the site to accommodate planned buildings, roads and utility connections. Water, sewer and recycled water services would be provided by Dublin San Ramon Services District (DSRSD) in accord with DSRSD's Eastern Dublin Facilities Master Plan. Sewer service for the project would be accommodated through connection to the existing sewer system owned and maintained by the DSRSD. When and where available, recycled water from DSRSD would be used for irrigation purposes, reducing the need for potable water. The project would also include placement of onsite business identification and directional signs. Requested entitlements The following applications have been filed with the City of Dublin: · General Plan Amendment and Eastern Dublin Specific Plan Amendment The General Plan and Eastern Dublin Specific Plan designate the 27.54-acre site as "co-Campus Office." As part of this application, the General Plan and Specific Plan land use designation would be changed to "General Commercial." · Stage 1 and 2 Planned Development ("PD") Rezoning- The Stage 1 and 2 PD-Planned Development zoning would establish specific land use and development standards unique to the proposed retail use. As part of the PD rezoning, site-specific Planned Development Plans must be approved by the Dublin City Council. · Site Development Review (SDR). An SDR application has been filed on the IKEA portion of the site to describe specific design, color, materials, parking and access, landscaping and signs for the IKEA store. The SDR application must be approved by the Dublin Planning Commission. An SDR approval will be required for the Retail Center before it could be constructed. · Tentative and Final Parcel Maps: A Tentative Parcel Map would subdivide the entire 27.54 acre parcel into two parcels, one for the IKEA site and a second parcel for the Retail Center. The Tentative Parcel Map would be acted upon by the Dublin Planning Commission. City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 4 September 2003 .. Vesting Tentative and Final Map. A Vesting Tentative Parcel Map with multiple Final Maps would subdivide the lKEA property into four smaller parcels. The future owner of the Retail Center may also seek a Vesting Tentative Parcel Map in the future. Vesting Parcel Map(s) would be acted upon by the Planning Commission. · Development Agreement. The Eastern Dublin Specific Plan requires that developers enter into development agreements prior to developing property. It is anticipated that two separate development agreements will be required, one for the IKEA store and one for the Retail Center. The development agreements would serve to "lock in" approved development on the project site for a specified numher of years. City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 5 September 2003 Exhibit 1. Regional Context City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 6 September 2003 Exhibit 2. Site Location City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 7 September 2003 Exhibit 3. Proposed Site Plan City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 8 September 2003 1. Project description Construction of a commercial complex to consist of an IKEA store (317,000 square feet of building area) and adjacent Retail Center (137,000 sq. ft. of building area) on a 27.54-acre site, inclu:ling 1,795 on-site parking spaces, signs, landscaping and related site improvements. The project also includes all amendment to the General PlanlEastern Dublin Specific Plan to change the land use designation from Campus Office to General Commercial and other related land llse entitlements. 2. Lead agency: City of Dublin 100 Civic Plaza Dublin, CA 94583 3. Contact person: Andy Byde, Senior Planner (925) 833-6610 4. Project location: Between 1-580 freeway and Martinelli Drive and between Hacienda Drive and Amold Road within the Eastern Dublin Specific Plan area. Doug Greenholz, IKEA Property, Inc. 5. Project contact person: 6. General Plan! Specific Plan: Designation: Existing: CO-Campus Office Proposed: General Cornmercial 7. Proposed Zoning: Existing: PD-Campus Office Proposed: PD General Commercial 8. Other public agency required approvals: · General Plan Amendment! Eastern Dublin Specific Plan Amendment (City of Dublin) · Stage I and 2 Planned Development Rezoning (City of Dublin) · Site Developme:Dt Review (City of Dublin) · Tentative and Final Parcel Maps (entire site) (City of Dublin) · Tentative and Vesting Tentative Parcel Map with multiple Final Maps (IKEA site) (City of Dublin) · Development Agreement (City of Dublin) · Grading and building permits (City of Dublin) · Sewer and water connections (DSRSD) · Encroachment permits (City of Dublin) · Notice of Intenl (State Water Resources Control Board) Environmental Factors Potentially Affected The environmental factors checked below would be potentially affected by this project, involving at least one impact that is a "potentially significanl impact" as indicated by the checklist on the following pages. City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 9 September 2003 - Aesthetics - Agricultural X Air Quality Resources X Biological Resources - Cultural Resources - Geology/Soils - Hazards and - Hydrology/W ater - Land Use/ Planning Hazardous Materials Quality - Mineral Resources - Noise - PopulationIHousing - Public Services - Recreation X Transportation! Circulation - Utilities/Service - Mandatory Findings Systems of Significance Determination (to be completed by Lead Agency): On the basis of this initial evaluation: _ I find that the proposed project could not have a significant effect on the environment and the previous Negative Declaration certified for this project by the City of Dublin adequately addresses potential impacts and mitigates impacts to a less-than-significant level. _ I find that although the proposed project could have a significant effect on the environment, there will not be a significant effect in this case because the mitigation measures described on an attached sheet have been added to the project. A Negative Declaration will be prepared. -X- I find that the proposed project may have a potentially significant or potentially significant unless mitigated effect on the environment, but at least one effect 1) has been adequately analyzed in an earlier document pursuant to applicable legal standards, and 2) has been addressed by mitigation measures based on earlier analysis as described on the attached sheets. A focused supplemental Environmental Impact Report is required, but must only analyze the effects that remain to be addressed. _ I find that although the proposed project could have a significant effect on the environment, there will not be a significant effect in this case because all potentially significant effects (a) have been analyzed adequately in an earlier EIR pursuant to applicable standards, and (b) have been avoided or mitigated pursuant to that earlier EIR, including revisions or mitigation measures that are imposed on the proposed project. Signature: Date: Printed Name: For: Evaluation of Environmental Impacts 1) A brief explanation is required for all answers except "no impact" answers that are adequately supported by the information sources a lead agency cites in the parenthesis following each question. A "no impact" answer is adequately supported if the referenced information sources show that the impact simply does not apply to projects like the one involved (e.g. the project falls outside a fault rupture zone) or in this case, there is no impact of the proposed project beyond that which was considered previously in the Eastern Dublin EIR and/or for which a Statement of Overriding Consideration was adopted by the City Council at the time the Eastern Dublin EIR was certified. A "no City of Dublin Page 10 Initial Study/IKEA & Retail Center September 2003 P A 02-034 impact" answer should be explained where it is based on project-specific factors as well as general factors (e.g. the project will not expose sensitive receptors to pollutants, based on a project-specific screening analysis). 2) All answers must take account of the whole action, including off-site as well as on-site, cumulative as well as project-level, indirect as well as direct, and construction as well as operational impacts. 3) "Potentially Significant Impact" is appropriate if the:~e is substantial evidence that an effect is significant. If there are one or more "potentially significant impact" entries when the determination is made, an EIR is required. 4) "Negative Declaration: Potentially Significant Unless Mitigation Incorporated" implies elsewhere the incorporation of mitigation measures has reduced an effect from "potentially significant effect" to a "less than significant impact." The lead agency must describe the mitigation measures and briefly explain how they reduce the effect to a less than significant level. City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 11 September 2003 Environmental Impacts (Note: Source of determination listed in parenthesis. See listing of sources used to determine each potential impact at the end of the checklist) Note: A full discussion of each item is found following the checklist. 1. Aesthetics. Would the project: a) Have a substantial adverse impact on a scenic vista? (Source: 1,2,4) b) Substantially damage scenic resources, including but not limited to trees, rock outcroppings, and historic buildings within a state scenic highway? (Source: 1,2,4) c) Substantially degrade the existing visual character or quality of the site and its surroundings? (Source: 2,4) d) Create a new source of substantial light or glare which would adversely affect day or nighttime views in the area? (Source: 4) 2. Agricultural Resources Would the project: a) Convert Prime Farmland, Unique Farmland or Farmland of Statewide Importance, as showing on the maps prepared pursuant to the Farmland Mapping and Monitoring Program of the California Resources Agency, to a non-agricultural use? (Source: 1,2) b) Conflict with existing zoning for agriculture use, or a Williamson Act contract? (Source: 1,2) c) Involve other changes in the existing environment which, due to their location or nature, could result in conversion of farmland to a non-agricultural use? (1, 2) 3. Air Quality (Where available, the significance criteria established by the applicable air quality management district may be relied on to make the following determinations). Would the project: a) Conflict with or obstruct implementation of the applicable air quality plan? (Source: 2) b) Violate any air quality standard or contribute substantially to an existing or projected air quality violation? (Source: 2) Potentially Less Than Less than No Significant Significant Significant Impact Impact With Impact Mitil!ation X X X X X X X X X City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 12 September 2003 c) Result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non-attainment under an applicable federal or state ambient air quality standard (including releasing emissions which exceed quantitative thresholds for ozone precursors? (2) d) Expose sensitive receptors to substantial pollutant concentrations? (Source: 2) e) Create objectionable odors? (Source: 2,5) 4. Biological Resources. Would the project a) Have a substantial adverse effect, either directly through habitat modifications, on any species identified as a candidate, sensitive, or special status species in local or regional plans, policies or regulations, or by the California Department of Fish and Game or the U.S. Fish and Wildlife Service? (Source: 2) b) Have a substantial adverse effect on any riparian habitat or other sensitive natural community identified in local or regional plans, policies or regulations or by the California Department of Fish and Game or the U.S. Fish and Wildlife Service? (Source: 2) c) Have a substantial adverse impact on federally protected wetlands as defined by Section 404 of the Clean Water Act (including but not limited to marsh, vernal pool, coastal, etc.) through direct removal, filling, hydrological interruption or other means? (Source: 2) d) Interfere substantially with the movement of any native resident or migratory fish or wildlife species or with established native resident or migratory wildlife corridors, or impede the use of native wildlife nursery sites? (Source: 2) e) Conflict with any local policies or ordinances protecting biological resources, such as tree protection ordinances? (Source: 2) Potentially Less Than Less than No Significant Significant Significant Impact Impac' With Impact Mitigation X X X X X X X X City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 13 September 2003 f) Conflict with the provision of an adopted Habitat Conservation Plan, Natural Community Conservation Plan or other approved local, regional or state habitat conservation plan? (Source: 1, 2) 5. Cultural Resources. Would the project a) Cause a substantial adverse impact in the significance of a historical resource as defined in Sec. 15064.5? (Source: 2) b) Cause a substantial adverse change in the significance of an archeological resource pursuant to Sec. 15064.5 (Source: 2) c) Directly or indirectly destroy a unique pale ontological resource or unique geologic feature? (Source: 2) d) Disturb any human remains, including those interred outside of a formal cemetery? (Source: 2) 6. Geology and Soils. Would the project a) Expose people or structures to potential substantial adverse effects, including the risk of loss, injury, or death involving: i) Rupture of a known earthquake fault, as delineated on the most recent Alquist-Priolo Fault Zoning Map issued by the State Geologist or based on other known evidence of a known fault (Source: 2) ii) Strong seismic ground shaking (2) iii) Seismic-related ground failure, including liquefaction? (2) iv) Landslides? (2) b) Result in substantial soil erosion or the loss of topsoil? (25) c) Be located on a geologic unit or soil that is unstable, or that would become unstable as a result of the project and potentially result in on- and off-site landslide, lateral spreading, subsidence, liquefaction or similar hazards (Source: 2) d) Be located on expansive soil, as defined in Table 13-1-B of the Uniform Building Code (1994), creating substantial risks to life or property? (Source: 2) City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Potentially Less Than Less than No Significant Significant Significant Impact Impact With Impact Mitigation X X X X X X X X X X X X X Page 14 September 2003 e) Have soils capable of adequately supporting the use of septic tanks or alternative wastewater disposal systems where sewers are not available for the disposal of waste? (Source: 2, 5) 7. Hazards and Hazardous Materials. Would the project: a) Create a significant hazard to the public or the environment through the routine transport, use or disposal of hazardous materials (Source: 2, 5) b) Create a significant hazard to the public or the environment through reasonably foreseeable upset and accident conditions involving the release of hazardous into the environment? (Source: 2, 5) c) Emit hazardous emissions or handle hazardous materials, substances, or waste within one-quarter mile of an existing or proposed school? (Source: 2, 5) d) Be located on a site which is included on a list of hazardous materials sites complied pursuant to Government Code Sec. 65962.5 and, as a result, would it create a significant hazard to the public or the environment? (Source: 5) e) For a project located within an airport land use plan or, where such plan has not been adopted, would the project result in a safety hazard for people residing or working in the project area? (Source: 2) f) For a project within the vicinity of private airstrip, would the project result in a safety hazard for people residing or working in the project area? (Source: 2, 5) g) Impair implementation of or physically interfere with the adopted emergency response plan or emergency evacuation plan? (Source: 2) Potentially Less Than Less than No SignificaClt Significant Significant Impact Impact With Impact Mitigation X X X X X X X X City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 15 September 2003 h) Expose people or structures to a significant risk of loss, injury or death involving wildland fires, including where wildlands are adjacent to urbanized areas or where residences are intermixed with wildlands? (Source: 2) 8. Hydrology and Water Quality. Would the project: a) Violate any water quality standards or waste discharge requirements? (Source: 2) b) Substantially deplete groundwater supplies or interfere substantially with groundwater recharge such that there would be a net deficit in aquifer volume or a lowering of the local groundwater table level (e.g. the production rate of existing nearby wells would drop to a level which would not support existing land uses or planned uses for which permits have been granted? (Source: 2) c) Substantially alter the existing drainage pattern of the site or area, including through the aeration of the course of a stream or river, in a manner which would result in substantial erosion or siltation on- or off-site? (Source: 2) d) Substantially alter the existing drainage pattern of the site or areas, including through the alteration of a course or stream or river, or substantially increase the rate or amount of surface runoff in a manner which would result in flooding on- or off-site? (Source: 2) e) Create or contribute runoff water which would exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of polluted runoff? (Source: 2) f) Otherwise substantially degrade water quality? (Source: 2) g) Place housing within a lOO-year flood hazard area as mapped on a Flood Hazard Boundary or Flood Insurance Rate Map or other flood delineation map? (Source: 2) Potentially Less Than Less than No Significant Significant Significant Impact Impact With Impact Mitiszation X X X X X X X X City of Dublin Initial Study/lKEA & Retail Center PA 02-034 Page 16 September 2003 h) Place within a loo-year flood hazard area structures which impede or redirect flood flows? (Source: 2) i) Expose people or structures to a significant risk of loss, injury, and death involving flooding, including flooding as a result of the failure of a levee or dam? (2) j) Inundation by seiche, tsunami or mudflow? (2) 9. Land Use and Planning. Would the project: a) Physically divide an established community? (Source: 1,2,4) b) Conflict with any applicable land use plan, policy, or regulation of an agency with jurisdiction over the project (including but not limited to the general plan, specific plan, or zoning ordinance) adopted for the purpose of avoiding or mitigating an environmental effect? (Source: 1, 2) c) Conflict with any applicable habitat conservation plan or natural community conservation plan? (1, 2, 4) 10. Mineral Resources. Would the project a) Result in the loss of availability of a known mineral resource that would be of value to the region and the residents of the state? (Source: 1, 2) b) Result in the loss of availability of a locally important mineral resource recovery site delineated on a local general Plan, specific plan or other land use plan? (Source:I, 2) 11. Noise. Would the proposal result in: a) Exposure of persons to or generation of noise levels in excess of standards established in the general plan or noise ordinance, or applicable standards of other agencies? (Source: 2) b) Exposure of persons or to generation of excessive groundborne vibration or groundborne noise levels? (Source: 2) c) A substantial permanent increase in ambient noise levels in the project vicinity above existing levels without the project? (Source: 2) Potentially Less Than Less than No SignifiCa:lt Significant Significant Impact Impact With Impact Miti~ation X X X - X X X X X X X X City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 17 September 2003 d) A substantial temporary or periodic increase in ambient noise levels in the project vicinity above levels without the project? (Source:2) e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project expose people residing or working n the project area to excessive noise levels? (Source: 2) f) For a project within the vicinity of a private airstrip, would the project expose people residing or working in the project area to excessive noise levels? (Source: 2) 12. Population and Housing. Would the project a) Induce substantial population growth in an area, either directly or indirectly (for example, through extension of roads or other infrastructure)? (Source: 1,2) b) Displace substantial numbers of existing housing, necessitating the construction of replacement housing elsewhere? (2, 4) c) Displace substantial numbers of people, necessitating the replacement of housing elsewhere? (Source: 4, 5) 13. Public Services. Would the proposal: a) Would the project result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service rations, response times or other performance objectives for any of the public services? (Sources: 1, 2) Fire protection Police protection Schools Parks Other public facilities Potentially Less Than Less than No Significant Significant Significant Impact Impact With Impact Mitigation X X X X X X X X X X X Potentially Less Than Less than No Significant Significant Significant Impact Impact With Impact Mitigation City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 18 September 2003 14. Recreation: a) Would the project increase the use of existing neighborhood or regional facilities such that substantial physical deterioration of the facility would occur or be accelerated (Source: 2) b) Does the project include recreational facilities or require the construction or expansion of recreational facilities which might have an adverse physical effect on the environment? (Source: 2) 15. Transportation and Traffic. Would the project: a) Cause an increase in traffic which is substantial in relation to the existing traffic load and capacity of the street system (i.e. result in a substantial increase in either the number of vehicle trips, the volume to capacity ratio on roads or congestion at intersections)? (2) b) Exceed, either individually or cumulatively, a level of service standard established by the County Congestion Management Agency for designated roads or highways? (2) c) Result in a change in air traffic patterns, including either an increase in traffic levels or a change in location that results in substantial safety risks? (2) d) Substantially increase hazards due to a design feature (e.g. sharp curves or dangerous intersections) or incompatible uses, such as farm equipment? (2) e) Result in inadequate emergency access? (2) f) Result in inadequate parking capacity? (2) g) Conflict with adopted policies, plans or programs supporting alternative transportation (such as bus turnouts and bicycle facilities) (1) 16. Utilities and Service Systems. Would the project x X X X X X X X X Potentidly Less Than Less than No Signific.mt Significant Significant Impact Impact With Impact Mitigation City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 19 September 2003 a) Exceed wastewater treatment requirements of the applicable Regional Water Quality Control Board? (2) b) Require or result in the construction of new water or wastewater treatment facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? (2, 5) c) Require or result in the construction of new storm water drainage facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? (5) d) Have sufficient water supplies available to serve the project from existing water entitlements and resources, or are new or expanded entitlements needed? (2) e) Result in a determination by the wastewater treatment provider which serves or may serve the project that it has adequate capacity to serve the project's projected demand in addition to the providers existing commitments? (2) f) Be served by a landfill with sufficient permitted capacity to accommodate the project's solid waste disposal needs? (2) g) Comply with federal, state and local statutes and regulations related to solid waste? (2) 17. Mandatory Findings of Significance. x X X X X X X Potentially Less Than Less than No Significant Significant Significant Impact Impact With Impact Mitie:ation City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 20 September 2003 a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife X population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, reduce the number of or restrict the range of a rare or endangered plant or animal or eliminate important examples of the major periods of California history or prehistory? b) Does the project have impacts that are individually limited, but cumulatively considerable? ("Cumulatively considerable" means that the incremental effects of a X project are considerable when viewed in connection with the effects of past projects, the effects of other current projects and the effects of probable future projects). c) Does the project have environmental effects X which will cause substantial adverse effects on human beings, either directly or indirectly? Source 1. City of Dublin General Plan (Revised through November 5, 2002) 2. Final Eastern Dublin Specific Plan, City of Dublin (June 6, 1998) 3. Certified Environmental Impact Report (State Clearinghouse No. 91103064) for the Eastern Dublin General Plan Amendment and Specific Plan (incbding the Draft and Final EIRs, Addenda, etc.) 4. Site Visit 5. Other Source These documents are available for review during normal busmess hours at: City of Dublin Community Development Departmenl 100 Civic Plaza Dublin, CA 94568 XVll. Earlier Analyses a) Earlier analyses used. Identify earlier analyses and state where they are available for review. This Initial Study is being prepared to determine whether the Eastern Dublin EIR previously certified by the City may be used to evaluate the proposed pr:.lject pursuant to CEQA Guidelines City of Dublin Initial Study/lKEA & Retail Center PA 02-034 Page 21 September 2003 Section 15063 (c)(7). The Eastern Dublin EIR is available for review during normal business hours at the City of Dublin Community Development Department, 100 Civic Plaza, Dublin, California. Portions of the environmental setting, project impacts and mitigation measures for this Initial Study refer to environmental information contained in the Eastern Dublin EIR. The Eastern Dublin EIR is a Program EIR which was prepared for the Eastern Dublin General Plan Amendment and Specific Plan areas in which this Project is located. It was certified by the Dublin City Council on May 10, 1993. Upon approval of the Eastern Dublin General Plan Amendment and Specific Plan (GPAlSP), the Council adopted a Statement of Overriding Considerations for impacts including but not limited to: cumulative traffic, extension of certain community facilities (natural gas, electric and telephone service), regional air quality, noise and visual. The Council also adopted mitigation findings and a Mitigation Monitoring Program to ensure that the mitigation measures would be implemented through subsequent planning and development projects in Eastern Dublin. Many of the mitigati0n measures apply to this project and/or project site and are referenced in the text of this Initial Study. The project proposes to amend the existing General Plan and Eastern Dublin Specific Plan land use designations from Campus Office to General Commercial and to develop a retail commercial complex on the approximately 27 acre project site. Pursuant to CEQA Guidelines Sections 15162 and 15163, this Initial Study examines whether the proposed land use changes and the related development project could result in any new or substantially more severe significant impacts beyond those analyzed in the Eastern Dublin EIR. The Initial Study also identifies changes in circumstances since certification of the previous EIR that could require additional environmental analysis. Such changes in circumstances include, but are not limited to: I) the potential presence on the project site of species added to the California and/or Federal Endangered or Threatened Species Lists but not identified in the Eastern Dublin EIR; 2) potential changes in commute patterns and traffic intensities, which also may also affect air quality in the project area. As reflected in the following checklist and discussions, this Initial Study determines that additional review will be required for potential air quality, traffic and biology impacts. All other potential impacts of the Project are within the scope of the previous project and analysis in the Eastern Dublin EIR or are otherwise less than significant. As noted earlier, the City of Dublin previously reviewed a campus office development on this proposed project site. This was a proposal submitted by Commerce One to develop approximately 780,000 square feet of office space, a five-story parking garage and related site improvements. The Dublin City Council found the project within the scope of the Eastern Dublin EIR and approved a Planned Development Stage 1 and 2 rezoning for the Commerce One Development on January 16,2001 (reference City file PA 00-015). This project was later withdrawn by the project applicant and was not constructed. Attachment to Initial Study Discussion of Checklist Legend PS: Potentially Significant LS: Less Than Significant; or Less Than Significant due to the City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 22 September 2003 previously adopted mitigation measures of the Eastern Dublin Em NI: No Impact; or No Additional Impact beyond that which was previously identified in the Eastern Dublin 1. Aesthetics Environmental Setting The project site is vacant and contains no rock outcroppings, significant stands of vegetation or other features with significant aesthetic qualities. The Eastern Dublin EIR does not classify the project area as containing visually sensitive resources (Fig 3.8-H). The 1-580 freeway from the 880 Freeway to the easterly Alameda County line, is designated as a Scenic Route in the County Scenic Route Element of the General Plan, which has also been adopted by the City of Dublin by reference in the Dublin General Plan. Travelers along 1-580 would have long distance views of the Diablo Range and medium distance views of hills located north of Dublin. Program 6Q of the Eastern Dublin Specific Plan says that the "the City of Dublin should officially adopt Tassajara Road, 1-580 and Fallon Road as designated scenic corridors, adopt a set of scenic corridor policies and establish review procedt.:res and standards for projects within the scenic corridor viewshed." In 1996, the City adopted the Eastern Dublin Scenic Corridor Policies and Standards document prepared by David Gates & Associates. This document contains more detailed policies that allow future development as envisioned in the Specific Plan while maintaining the visual character of natural features within the area. Such implementing polices are in addition to all other goals and polices contained in the Eastern Dublin Specific Plan. Project Impacts and Mitigation Measures a) Have a substantial adverse impact on a scenic vistG? LS. Approval and construction of the proposed project would alter the character of existing scenic vistas and could obscure important sightlines by adding new buildings and signs adjacent to the 1-580 freeway. This impact was addressed in the Eastern Dublin EIR (Impacts, 3.8/B, 3.8/C, 3.8/F, 3.8/ H, 3.8/1 and 3.8/J). Related Mitigation Measures applicable to the proposed project and/or site include: 3.8/2.0, 3.8/3.0, 3.8n.0, 3.8n.1, 3.8/8.0 and 3.8/8.1 (pages 3.8-4 through 3.8-9 of the Eastern Dublin EIR). Mitigation measures encourage preservation of the natural landscape, preservation of the natural beauty of the hills, and preservation of views to the northerly hills. The proposed project is located in Scenic Corridor Zone I as identified in the Eastern Dublin Scenic Corridor Policies and Standards document. Eastern Dublin Scenic Corridor Policies state that properties within Scenic Corridor Zone 1, are subject tl) three specific standards, Standard 1.1, 1.2, and 2.1. Standard 1.1. Standard 1.1 states that from the three designated Viewpoints in Zone I (shown in Figure 12 of the Scenic Corridor Policies and Standards dOo;ument) maintain a generally City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 23 September 2003 uninterrupted view to significant natural resource. Within the project area, the significant natural resource identified in Figure 12, is Tassajara Creek. Tassajara Creek, and the view cone identified in Figure 12, are approximately 2,400 feet to the west. Therefore the project complies with Standard 1.1 because it will not have a visual impact to Tassajara Creek or the view cone identified to protect the visual resource associated with the Creek. Standard 1.2. Standard 1.2 of the Dublin Scenic Corridor Policies and Standards document states that structures generally within 700 feet of the Scenic Corridor (identified as 1-580) should be allowed to obstruct the views of the Visually Sensitive Ridgelands from 1-580 for not more than approximately 50% of the developed frontage. The Visually Sensitive Ridgelands as identified in the Scenic Corridor Policies are the Ridgelands located to the east of Fallon Road, within the area know as the Eastern Dublin Property Owners project, which was recently annexed to the City in 2002. The Visually Sensitive Ridgelands are approximately 3 miles to the east. The acute view angle (approximately 12 degrees) restricts the ability for the driver on westbound 1-580 to view the Visually Sensitive Ridgelands,3 miles to the east. Additionally, the view of the Visually Sensitive Ridgelands for eastbound 1-580 drivers is obscured by the existing BART station and raised tracks. Moreover, the total frontages of the project site is approximately 1,320 feet, the project proposes to construct 600 feet of building facing the frontage of 1-580 (320 feet for the proposed lKEA portion and 280 feet for the proposed Retail Center, of which 160 feet of the Retail Center is setback a minimum of 250 feet from 1-580). Therefore, the proposed project complies with Standard 1.2 because it will not have a visual impact on Visually Sensitive Ridgelands or have more than 50% view obstruction of the developed frontage. Standard 2.1. Standard 2.1 states that architecture visible from the Scenic Corridors should complement the local environment. The local environment includes the Hacienda Crossings shopping center to the east, the proposed Transit Center high-density project to the west, and various large office buildings constructed and/or proposed to the north. The existing local environment is characterized as a "built environment." Landscaping has been incorporated into the project to enhance and soften the IKEA building; various corridors have been incorporated into the design of the Retail Center. The proposed project has been found to be consistent with the local environment. Additionally, landscaping and view corridors have been incorporated to ensure compliance with this standard; therefore the project is consistent with Standard 2.1. The adopted Mitigation Measures and Specific Plan policies will continue to apply to the project. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. b) Substantially damage scenic resources, including state scenic highways? LS. Development of the project site will alter the visual experience of travelers on scenic routes in Eastern Dublin. Interstate 580 has been designated as a scenic corridor by Alameda County and the City of Dublin. This potential impact (Impact 3.8/J) was identified and addressed in the Eastern Dublin EIR and Mitigation Measures 3.8/8.0 and 3.8/8.1 (page 3.8-9) encourage the City to adopt certain roads as scenic corridors, and encourage the City to require detailed visual analyses with development project applications (Le., Stage 2 PD-Planned Development applications). Additionally, Policies City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 24 September 2003 6-30 and 6-31 of the Eastern Dublin Specific Plan provide guidance for areas of the project visible from a scenic corridor. The required visual analysis was submitted with the PD rezoning application and shows that the project is consistent with the S~enic Corridor policies and standards as identified in subsection "a," above and would therefore be less-than-significant. Impacts on scenic highways were adequately addressed in the Eastern Dublin EIR and no further analysis is required. Standard 2.1. Standard 2.1 states that architecture visible from the Scenic Corridors should complement the local environment. The local environment includes the Hacienda Crossings shopping center to the east, the proposed Transit Center high-density project to the west, and various large office buildings constructed and/or proposed to the north. The existing local environment is characterized as a "built environment." Land:;caping has been incorporated into the project to enhance and soften the IKEA building; various corridors have been incorporated into the design of the Retail Center. The proposed project ha.:; been found to be consistent with the local environment. Additionally, landscaping and view corridors have been incorporated to ensure compliance with this standard; therefore the project is consistent with Standard 2.1. c) Substantially degrade existing visual character or thE' quality of the site? NI. This impact was addressed in the Eastern Dublin EIR (Impact 3.8/B-Alteration of Rural/Open Space Visual Character and Impact 3.8/F-Alteralion of Visual Character of Flatlands). Development of the project area would alter the ex:isting rural and open space qualities and alter the existing visual character of valley gras:>es and agricultural fields The Eastern Dublin EIR concluded that no mitigation measures C'Juld be identified to either fully or partially reduce this impact on flatlands to a less than significant level. Therefore, the EIR concluded this impact would be a potentially significant unavoidable impact and an irreversible change and, pursuant to CEQA, the City of Dublin adopted a Statement of Overriding Consideration for this impact. The proposed project would reduce the scale of development anticipated in the Eastern Dublin EIR for the project area but would not change the level or intensity of impact since the flatlands along 1-580 would still be developed for urban uses. Impacts on the existing visual character of the project site Wfre adequately addressed in the Eastern Dublin EIR and no further analysis is required. d) Create light or glare? LS. Construction of the proposed project would increase the ,mount of light and glare due to new street lighting and building security lighting. In some in:;tances the additional lighting could result in perceived negative aesthetic impacts through the "spill over" of unwanted lighting onto adjacent properties that are not intended to be lighted. The articipated light and glare generated by the proposed project would not be unique or different from other development projects within the City or the Eastern Dublin planning area Furthermore, similar lighting either exists or would be installed in the future on neighboring properties with approved or potential development projects. The City of Dublin has adopted regulations which limit the amount of "spill- overlighting and standard conditions of approval limit potential light and glare impacts. The City's zoning ordinance, adopted site development review gt.idelines, and conditions of approval become part of the project, if approved and the project wouk have impacts that are less-than- significant City of Dublin Initial Study/lKEA & Retail Center PA 02-034 Page 25 September 2003 Because light and glare created by the proposed project would be typical of development elsewhere in the City, and due to standard City regulations, light and glare impacts would be less-than-significant. 2. Agricultural Resources Environmental Setting Although, historically this area was used for grazing, dry-land farming, and other non-intensive agricultural endeavors, the project site has not been used for any such activities for more than 50 years. The project site is in an area that the Eastern Dublin EIR characterizes as farmland "of local importance" (Figure 3.1-B). This is defined as those farmlands which contribute to the local production of food, feed, fiber, forage and oilseed crops (p. 3.1-2). Despite this characterization, the Eastern Dublin EIR considered the discontinuation of agricultural uses as an insignificant impact due to the high percentage of Williamson Act contracts which were non-renewed and the limited value of the non-prime soils. Portions of the soils within the project area were identified as Class I or Class II soils in the Eastern Dublin EIR, however, the project area has not been u~ed for agricultural purposes for a number of years. Project Impacts and Mitigation Measures a, c) Convert prime farmland to a non-agricultural use or involve other changes which could result in conversion of farmland to a non-agricultural use? LS. Impact 3.1/F of the Eastern Dublin EIR addressed conversion of non-urban lands, such as the project site. Although the Eastern Dublin EIR identifies portions of the project site as containing Class I or Class II Prime Agricultural Soils, the site has not been used for agricultural uses for a number of years and is substantially surrounded by urbanized lands or properties where urban development has been approved but not yet constructed. The project is consistent with the urban intensity uses assumed in the prior EIR. The Eastern Dublin General Plan and Specific Plan also provide for long-term protection of future agricultural operations on lands designated for Rural Residential and Open Space within the Eastern Dublin planning area. Consistent with the Eastern Dublin EIR, Less-than-significant impacts are therefore anticipated with regard to conversion of prime agricultural land, and no further analysis is required. b) Conflict with existing zoning for agricultural use, or a Williamson Act contract? Nl The project site is not zoned for agricultural use and is not subject to a Williamson Act contract. No impacts will therefore result. 3. Air Quality Environmental Setting City of Dublin Initial Study/lKEA & Retail Center PA 02-034 Page 26 September 2003 Dublin is located in the Tri-Valley Air Basin. Within the Basin, state and federal standards for nitrogen dioxide, sulfur dioxide and lead are met. Standards for other airborne pollutants, including ozone, carbon monoxide and suspended particulate: matter (PM-lO) are not met in at least a portion of the Basin. Proiect Impacts and Mitigation Measures a) Would the project conflict or obstruct implementation of an air quality plan? ps. Impact 3.11/E of the Eastern Dublin EIR identified increased stationary source air emissions from the project area that would remain significant on a cumulative level even with implementation of Mitigation Measures 3.11/12.0 and 13.0. The prior EIR also assumed increased development in other areas, such as the San Joaquin Valley, and related commutes to the Bay Area, and identified cumulative air quality impacts ~s Significant and Unavoidable. Upon approval of the Eastern Dublin GP A1SP, the City adoped a Statement of Overriding Considerations for these two impacts. Since certification of the Eastern Dublin EIR, development and commutes from the east have increased as~xpected, but commute patterns along 1-580 may be different than expected as commuters cut through nearby Dublin streets to avoid the freeway. In addition, based on the applicants traffic study, the project may contribute to further degradation of anticipated LOS F conditions on 1-580. Since automobile traffic is the primary source of pollutants for which the Basin is in non-ccnpliance, the potential for supplemental traffic impacts could also contribute to emissicns exceeding Bay Area Air Quality Management District (BAAQMD) significance thresholds. This may be a potentially significant impact and will be assessed in a focused Supplemental EIR. The potential impacts of changing from office to commercial uses will also be assessed. b) Would the project violate any air quality standards? ps. For the reasons noted above, the project could contribute to emissions exceeding BAAQMD significance thresholds. This may be a potentially significanl impact and will be assessed in a focused Supplemental EIR. c) Would the project result in cumulatively considerabl~~ air pollutants? ps. For the reasons noted in a), the project could contribute 10 emissions exceeding BAAQMD significance thresholds. This may be a potentially significant impact and will assessed in a focused Supplemental EIR. d, e) Expose sensitive receptors to significant pollutant concentrations or create objectionable odors? NI. Development of the project area with urban uses will create emissions from a variety of stationary (non-vehicular) sources such as evaporative emissions from paints and cleaning products, etc. The project does not propose residential development and no residential development is existing or planned adjacent to the project. Nor are there any other nearby sensitive receptors that could be exposed to stationary or vehicular source pollutants from the project. Therefore, no impact is anticipated with respect to smsitive receptors. The potential for supplemental cumulative air quality impacts is addressed in c:) above. City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 27 September 2003 4. Biological Resources Environmental Setting Figure 3.7-A of the Eastern Dublin EIR indicates that the project area was historically dominated by dry-farming rotational cropland and non-native grasslands. The project site is now a vacant site predominantly covered with non-native grasses and other native and non-native ruderal vegetation. Project Impacts and Mitigation Measures a) Have a substantial adverse impact on a candidate, sensitive, or special-status species? PS. The Eastern Dublin EIR identified twelve special status plant species, seventeen special status amphibian, reptile, bird and mammal species, and ten special status invertebrate species which could potentially occur within the entire Eastern Dublin planning area (Tables 3.7-1 and 3.7-2, pp. 3-7.19-21. Since certification of the Eastern Dublin EIR, new special status species not addressed in the prior EIR have been identified and may occur on the project site which could be potentially significant. A focused Supplemental EIR will be prepared to analyze whether the project could result in new significant impacts related to these species. The Eastern Dublin Specific Plan includes policies to protect special status species (policies 6-17 and 6-20). The proposed project would adhere to the Specific Plan policies and all previously adopted mitigation measures, as applicable. b, c) Have a substantial adverse impact on riparian habitat or federally protected wetlands? NI. Figure 3.7 -B of the Eastern Dublin EIR identifies no potential riparian habitat and springs on the project site based upon the location of intermittent streams, seeps, etc., therefore, no impacts are anticipated. d) Interfere with movement of native fish or wildlife species? PS. As noted above, a focused Supplemental EIR will be prepared to examine whether listed species not addressed in the Eastern Dublin EIR could occur on the project site. The focused Supplemental EIR will also examine the potential for movement impacts on the species. e) Conflict with any local policies or ordinances protecting biological resources, such as tree protection ordinances: NI. No trees grow on the project site, so no impacts exist with respect to conflicts with tree protection ordinances or similar regulations. f) Conflict with local policies or ordinances protecting biological resources or any adopted Habitat Conservation Plans or Natural Community Conservation Plans? City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 28 September 2003 NI. There are no Habitat Conservation Plan areas or Natural Community Conservation Plans located on the project site. No impacts would therefore result. 5. Cultural Resources Environmental Setting Chapter 3.9 of the Eastern Dublin EIR addresses the potential impacts on cultural resources which may be located within the project area. A field inspection of the entire Eastern Dublin area was performed in 1988. Three potential pre-historic sites (two of them isolated locales) and two historic sites were identified within the EDSP area (see pp. ::,.9-4 - 3.9-6 of the Eastern Dublin EIR). Maps of these sites were not included in the EIR to protect them from possible vandalism. The Eastern Dublin EIR mandated additional project-level archeological surveys. None of these sites are located on the IKEA project site. Project Impacts and Mitigation Measures a) Cause substantial adverse change to significant historic resources? NI. The project site is vacant and contains no historic struchlres. No impacts are therefore anticipated. b, c) Cause a substantial adverse impact or destruction to archeological or paleontological resources? LS. The Eastern Dublin EIR identifies a remote but potentially significant possibility that construction activities, including site grading, trenching and excavation, may uncover significant archeological and/or paleontological resources on development sites. The Eastern Dublin EIR categorized these resources as pre-historic cultural resources. Three potential pre-historic sites were identified by the EIR within the proposed Eastern Dublin Specific Plan project area. The Eastern Dublin EIR assumed that all pre-historic sites would be disturbed or altered in some manner. This potential impact was identified and addressed .in the Eastern Dublin EIR (Impact 3.9/A) and mitigation measures 3.9/1.0 through 3.9/4.0 (page 3.9-6 - 3.9-7) that require subsurface testing for archeological resources; recordation and mapping of such resources; and development of a protection program for resources which qualify as "significant" under Section 15064.5 of the CEQA Guidelines. Mitigation Measures 3.9/:5.0 and 3.9/6.0, described above, also were adopted to address the potential disruption of any prev:.ously unidentified pre-historic resources and would apply to the project as may be appropriate. The Eastern Dublin Specific Plan also contains policies (policies 6-24 and 6-25) requiring research of archaeological resources prior to construction and determination of the significance and extent of any resources uncovered during grading and construction. The previous EIR adequately addresses potential impacts to these resources. Adopted Mitigation Measures will continue to apply to this project and will be implemented through conditions of approval to reduce impacts to archeological or paleontological impacts to a less-than-significant level. There are no impacts beyond those previously identified and analyzed in the Easter Dublin EIR. City of Dublin Initial Study/lKEA & Retail Center PA 02-034 Page 29 September 2003 d) Disturb any human resources? LS. A remote possibility exists that historic or pre-historic human resources could be uncovered on the site during construction activities. Implicit in the mitigation measures of the Eastern Dublin EIR and Eastern Dublin Specific Plan policies is the potential for discovery of human resources near or within the identified pre-historic and historic sites. With implementation of the previously adopted mitigation measures (Mitigation Measure[ 3.9/1.0 -12) and adherence to the Eastern Dublin Specific Plan policies relating to cultural resources (policies 6-24 and 6-25), as appropriate, potential impacts to human resources would be less-than-significant and have been adequately addressed. There are no impacts beyond those analyzed in the Eastern Dublin EIR. Adopted Mitigation Measures will continue to apply to this project and will be implemented through conditions of approval. Therefore no additional review or analysis is necessary. 6. Geology and Soils Environmental Setting This section of the Initial Study addresses seismic safety issues, topography and landforms, drainage and erosion and the potential impacts of localized soil types. It further identifies related impacts and mitigation measures from the Eastern Dublin EIR and whether the prior analysis is adequate for the current project. Seismic The project area is a part of the San Francisco Bay area, one of the most seismically active regions in the nation. The Eastern Dublin EIR notes the presence of several nearby significant faults, including the Calaveras Fault, Greenville Fault, Hayward Fault and San Andreas Fault (pp. 3.6-1 - 3.6-2 and Figures 3.6-A and 3.6-B). The likelihood of a major seismic event on one or more of these faults within the near future is believed to be high. However, no active faults are known to traverse the project site and the site is not identified as located within an Earthquake Safety Zone (formerly Alquist-Priolo Special Studies Zone) as determined by the California Division of Mines and Geology. A second thrust fault system has been inferred in the Coast Ranges of the Bay Area that may be seismically active. A belt of faults and folds has been mapped in sedimentary rocks south of Mount Diablo, including one identified as the "leading edge-blind thrust, Mount Diablo Domain." Further investigation of this inferred fault has concluded that the risk of ground rupture from this inferred fault is low within the project area. The pot~ntial for on-site faulting will be addressed in the site-specific geotechnical report for the proposed project. Site Geology and Soils Site soils are identified as ''undifferentiated alluvial deposits" on Figure 3.6-C of the Eastern Dublin EIR. Landforms and Topography The project area is part of a broad north-south trending plain known as the Livermore-Amador Valley. Much of the property is flat with a distinct slope to the south. Grading spoils from City of Dublin Initial Study/lKEA & Retail Center PA 02-034 Page 30 September 2003 construction on adjacent lands have been deposited on the site which creates minor topographic relief. Drainage Existing drainage patterns on the site is in a sheet flow pattern to the south. Proiect Impacts and Mitigation Measures a) Expose people or structures to potential substantial adverse impacts, including loss, injury or death related to ground rupture, seismic ground shaking, ground failure or landslides? LS. Similar to many areas of California, the site could be subject to ground shaking caused by the regional faults identified above. Under moderate to severe seismic events which are probable in the Bay Area over the next 30 years, buildings, utilities and other improvements constructed in the project area would be subject to damage caused by ground shaking. However, since the project area is not located within an Earthquake Fault Zone (formerly Alquist-Priolo Zone), the potential for ground rupture is anticipated to be minimal. The Eastern Dublin EIR identified the primary and secondlUY effects of ground-shaking (Impacts 3.6/B and 3.6/C) and mitigation measure 3.6/1. requiring mcodem seismic design for resistance to lateral forces in construction, which would reduce the potenlial for structure failure, major structural damage and loss of life. These design standards are reflected in current building standards and would be required for issuance of building pelmits by the City of Dublin for the proposed project. Mitigation measures 3.6/2.0,4.0,5.0.6.0. 7.0 and 8.0 will be implemented, as appropriate to the project site, to reduce the secondary effects of ground-shaking and require stabilization of unstable landforms where possible or restriction of improvements from unstable landforms; utilization of properly engineered retention structures and fill; design of roads and infrastructure to accommodate potential settlement; and completion of des.lgn-level geotechnical investigations (pp. 3.6-8 through 3.6-9). Adherence to Mitigation Measures MM 3.6/1.0 through 8.0 will ensure that new structures and infrastructure built within the project area will comply with generally recognized seismic safety standards. The applicant for development of the property has commissioned a soils and geotechnical report to conform with adopted mitigation measures contained in the Eastern Dublin EIR and policies set forth in the EDSP. Development plans submitted for the :Jroject reflect the report's recommendations. There are no impacts beyond those analyzed in the Eastern Dublin EIR. Adopted Mitigation Measures will continue to apply to this project. Therefore no additional review or analysis is necessary. b) Is the site subject to substantial erosion and/or the loss of topsoil? LS. The Eastern Dublin EIR notes that development would modify the existing ground surface and alter patterns of surface runoff and infiltration and could result in a short-term increase in erosion and sedimentation caused by grading activities (Imp. let 3.6/K). Long-term impacts could City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 31 September 2003 result from modification of the ground-surface and removal of existing vegetation (Impact 3.6/L). Related Mitigation Measures 3.6/27.0 and 28.0 (pp. 3.6-14 - 3.6-15) require the preparation and implementation of erosion control measures to be utilized on a short-term and long-term basis. In addition to these measures, the project would be subject to erosion control and water quality control measures required by the California Regional Water Quality Control Board and implemented by the City of Dublin. The Eastern Dublin Specific Plan also contains a policy (Policy 6-43). which requires that new development be designed to provide effective control of soil erosion as a result of construction activities. Erosion impacts are adequately addressed in the Eastern Dublin EIR, no further analysis is required c, d) Is the site located on soil that is unstable or expansive or will result in potential lateral spreading, liquefaction, landslide or collapse? LS. Portions of the project area are underlain by soil types with high shrink-swell potential that has the potential to cause damage to foundations, slabs, and pavement (Impact 3.6/H). The proposed project will be required to comply with Mitigation Measures 3.6/14.0 through 16.0 (pp. 3.6-11-12) requiring appropriate structural foundations and other techniques to overcome shrink- swell effects. The applicant's geotechnical report contains recommendations for implementing these mitigations through project design and construction. There are no impacts beyond those analyzed in the Eastern Dublin EIR. Adopted Mitigation Measures will continue to apply to this project. Therefore no additional review or analysis is necessary . e) Have soils incapable of supporting on-site septic tanks if sewers are not available? NI. All new development within the project area would be connected to a public sanitary sewer system and maintained by the Dublin San Ramon Services District which serves all of the City of Dublin. No septic systems are proposed within the project area. Therefore, no impact is anticipated with regard to septic tanks. 7. Hazards and Hazardous Materials Environmental Setting The site contains open grasslands. Historically, the project site has been used for agriculture and most recently has been used by United States Army, as part of Parks Reserve Forces Training Area (RFT A) but was decommissioned and transferred to the Alameda County Surplus Property Authority in the mid-1980's. Based upon the results of Phase I Environmental Site Assessments performed on the property, there is a possibility of encountering contaminated soil and/or other potentially hazardous material remaining from previous site uses. However based on information received by the Alameda County Health Services Agency: Environmental Protection Department, incinerator debris and ash were discovered during environmental studies north of the subject property within the public right-of-way of Martinelli Drive and the property north of Martinelli Drive. The waste was removed from both properties City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 32 September 2003 and are now considered "clean closed" with respect to this contaminant. Policy 11-1 of the Eastern Dublin Specific Plan requires that prior to the issuance of building permits for sites in the project area, site-specific environmental site assessments are required. As part of the normal review process for development of the site, the City of Dublin will require the applicant to obtain a Phase II Environmental Site Assessment for the property. If applicable, remediation measures would be recommended as part of the Phase II analysis and required to be completed, prior to development, in accordance with State law. Project Impacts and Mitigation Measures a, b) Create a significant hazard through transport ofhaz,!rdous materials or release or emission of hazardous materials? LS. Proposed uses of the project area would include commercial and retail uses. Only minor less-than-significant quantities of potentially hazardous materials such as lawn chemicals, household solvents, etc., would be associated with the majority of the proposed uses. With the expected minimal use of hazardous materials and the requirement for adhering to a hazardous materials business plan, this impact is less-than-significant c) Is the site listed as a hazardous materials site? LS. None of the parcels comprising the project area have been listed as a hazardous materials site. As noted above, Phase I Environmental Site Assessments have been completed for the property. Levels of petroleum-based products typical of agricultural uses have been discovered but these levels are less-than-significant Remediation measures, if needed, would be recommended and completed in accordance with appropriate regulatory agencies. This impact is considered to be less-than-significant. d) Is the site located within an airport land use plan of a public airport or private airstrip? LS. The project site is located within the General Referral Area of the Livermore Municipal Airport, as shown on Figure 3.1/D of the Eastern Dublin EIR The City of Dublin will refer the proposed development plan to the Alameda County Airport land Use Commission to ensure all airport height and safety issues will be addressed. The project appears to comply with applicable Airport Land Use Plan standards, therefore, this is considered a less-than-significant impact. e) Represent a safety hazard to persons if located within two miles of a private airstrip? LS. The project is not located within two miles of a private airstrip. No impacts are therefore anticipated. f) Interference with an emergency evacuation plan? LS. There is no adopted emergency evacuation plan for the project area. The proposed project would provide vehicular access on three frontages of the project site and pedestrian access on all four sides to allow for emergency evacuation. Less-than-significant impacts are therefore anticipated. City of Dublin Initial Study/lKEA & Retail Center P A 02-034 Page 33 September 2003 g) Impair implementation of or physically interfere with the adopted emergency response plan or emergency evacuation plan? NI. The proposed project would not block any potential emergency evacuation routes, including Hacienda Drive, Arnold Road or Martinelli Drive. No impacts are therefore anticipated. h) Expose people and structures to a significant risk of loss, injury or death involving wildland fires or where residences are intermixed with wildlands? . NI. The proposed project would be located within an urbanized area with fire protection systems !nstalled as required by the Dublin Fire Department. No impacts are therefore anticipated. 8. Hydrology and Water Quality Environmental Setting The project area is located within the Alameda Creek watershed which drains to the San Francisco Bay. The project area is located within the jurisdiction of Zone 7 of the Alameda County Flood Control and Water Conservation District ("Zone 7"). The project site is not located within a lOO-year flood plain (reference Flood Insurance Rate Map, CP # 0607050002 B, September, 1997) Project Impacts and Mitigation Measures a) Violate any water quality standards or waste discharge requirements? LS. Site grading (cut and fill) would occur to construct driveways, parking lots, building pads, utilities connections and similar improvements. Proposed grading could increase the potential of erosion and increase the amount of sediments carried by storm water run-off into bodies of water, on and off the project site. These impacts were identified in the Eastern Dublin EIR (Impacts 3.5/Y and 3.5/AA) along with mitigation measures 3.5/44.0 - 46.0, 47.0, 49.0,51.0 and 52.0 that require: drainage facilities to minimize any increased potential for erosion; preparation of a Master Drainage Plan for each development prior to development (Stage 2 PD-Planned Development) approval; facilities and management practices which protect and enhance water quality; specific water quality investigations which address water quantity and quality of run-off; and community-based programs to educate local residents and business on methods to reduce non-point sources of pollutants. The mitigation measures will be applied to the proposed project as appropriate. Additionally, development of individual parcels within the project area will be required by City ordinance to prepare Stormwater Pollution Prevention Plans (SWPPP), implementing Best Management Practices that reduce the potential for water quality degradation during construction and post-construction activities. These measures can include revegetation of graded areas, silt fencing and use of biofilters within parks and other landscaped areas. These individual SWPPPs City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 34 September 2003 must conform to standards adopted by the Regional Water Quality Control Board and City of Dublin and shall be approved by the City of Dublin prior to issuance of grading permits. Both agencies monitor construction and post-construction activides according to the SWPPP and adjustments are made during project construction as necessary to erosion control methods and water quality protection as field conditions warrant. Specific development projects containing five acres of more are also required to submit a Notice of htent from the State Water Resources Control Board prior to commencement of grading. The Eastern Dublin Specific Plan also contains policies, which reflect the mitigation measures of the Eastern Dublin Specific Plan EIR listed above. Policies 9-7 through 9-9 and Programs 9T through 9X (pp. 133-134) address the potential for erosion and changes in water quality, storm water run-off and storm drainage due to development of thl~ project area. The Eastern Dublin EIR and applicable requirements for project-specific SWPPPs adequately address potential water quality impacts of the project. No further analysis is requited. b) Substantially deplete groundwater recharge areas or lower the local groundwater table? LS. The Eastern Dublin EIR noted that the project area is located in an area of minimal groundwater recharge stating that groundwater reserves and the majority of the Tri- Valley's groundwater resources are in the Central Basin, south of the project area. Mitigation Measure 3.5/50.0 notes that Zone 7 supports on-going groundwater recharge programs for the Central Basin. Water for the proposed project would be supplied by DSRSD, so that there would be no depletion of groundwater resources. The Eastern Dublin EIR noted that development of the area could have an impact on local groundwater resources and groundwater recharge due to an increase in the amount of impervious surfaces within the project site, (Impact 3.5/Z). With implementation of Mitigation Measures 3.5/49.0 and 3.5/50.0 (pages 3.5-26), this impact is less- than-significant. c) Substantially alter drainage patterns, including stream courses, such that substantial siltation or erosion would occur? LS. Development of the project site would change existing natural drainage patterns in the area. Approval and implementation of the proposed project would increase stormwater runoff from the site due to construction and post-construction activities and thereby increase the potential for erosion. These impacts and related mitigations have been identified in the Eastern Dublin EIR (Impacts 3.5/Y and 3.5/AA) in relation to item "a" above. The Eastern Dublin Specific Plan also contains policies and programs (Policies 9-7 through 9-9 and Programs 9S through 9X, pp. 133- 134) addressing potential erosion. The Eastern Dublin adequately analyzes potential erosion impacts. The adopted Mitigation Measures and Specific Plan policies would continue to apply to the project. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. d) Substantially alter existing drainage patterns or resi4lt in flooding, either on or off the project site? LS. Construction of new commercial square footage and parking areas would change drainage patterns within the project area. This impact was identified,n the Eastern Dublin EIR (Impact City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 35 September 2003 3.5Y) along with Mitigation Measures 3.5/44.0, 46.0, and 47.0 that require drainage facilities to minimize flooding; preparation of a Master Drainage Plan for each development prior to development approval; and construction of facilities to alleviate potential downstream flooding due to project development; The Eastern Dublin EIR adequately addresses potential drainage and flooding impacts. The adopted Mitigation Measures and Specific Plan policies would continue to apply to the project. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. e) Create stormwater runoff that would exceed the capacity of drainage systems or add substantial amounts of polluted runoff? LS. Construction and operation of the project could lead to greater quantities of stormwater runoff and could include pollutants in the runoff. These potential impacts were identified in the Eastern Dublin EIR (Impacts 3.5/Y and 3.5/AA) along with mitigation measures 3.5/44.0, 46.0, 47.0,49.0,51.0, and 52.0, described in item a) above. Policies of the Eastern Dublin Specific Plan (Policies 9-7 through 9-9 and Programs 9T through 9X, pp. 133-134) also would be implemented through the project and would ensure that project design and improvements are adequate for runoff and do not degrade water quality. The Eastern Dublin EIR adequately addresses drainage capacity for the project. The adopted Mitigation Measures and Specific Plan policies would continue to apply to the project. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. f) Substantially degrade water quality? LS. Construction activities related to development of the project site and post-construction activities could degrade water quality resulting in additional sedimentation and potential pollutants in on-site or down-stream waters. These impacts were identified in the Eastern Dublin EIR (Impacts 3.5/Y and 3.5/AA) and related mitigation measures 3.5/44.0-49.0, 51.0 and 52.0, as described in item a) above. Policies of the Eastern Dublin Specific Plan (Policies 9-7 through 9-9 and Programs 9T through 9X, pp. 133-134) also would be implemented through the project in that the City will require preparation of a Stormwater Pollution Prevention Plan prior to the issuance of project grading plans. The Eastern Dublin adequately addressed potential water quality impacts for the project. The adopted Mitigation Measures and Specific Plan policies would continue to apply to the project. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. g, i) Place housing within a lOO-year flood hazard area as mapped by a Flood Insurance Rate Map or expose people or structures to a significant risk due to flooding or failure of a levee or dam? NI. The proposed project does not include construction of residential land uses, so there would be no impact with regard to placing housing within a lOO-year flood plain. The project site is not located within a l00-year flood plain. City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 36 September 2003 h) Place within a lOO-year flood hazard area structurei' which would impede or redirect flood flow? NI. As noted in the response to "g" above, the project site is not located within a lOO-year flood plain, so there would be no impacts with impedance or redirl~ction of flood waters. j) Result in inundation by seiche, tsunami or mudflows.~ LS. The site is not located near a major body of water that could result in a seiche or tsunami. The risk of potential mudflow is considered low because the project site is generally flat. Therefore, any potential impacts from the project will be les,~ than significant. 9. Land Use and Planning Environmental Setting The project site is located within the General Plan and Eastern Dublin Specific Plan planning area. An amendment has been requested to these documents, changing the land use designation from Campus Office to a General Commercial land use designation. Project Impacts and Mitigation Measures a) Physically divide an established community? NI. The project site is composed of a single parcel not separated by freeways, or arterial roadways. No impacts are therefore anticipated. b) Conflict with any applicable land use plan, policy or regulation? NI. The proposed project includes a change of the General Plan and Specific Plan land use designation as well as a PD rezoning request appropriate to the proposed development. The project as proposed will have no impacts related to land use plan, policy or regulation conflicts. Potential physical impacts on the environment from develop ment of the retail commercial center are addressed in the appropriate checklist discussions, e.g., biology, traffic and circulation, and similar topics. c) Conflict with a habitat conservation plan or natural community conservation plan? NI. No habitat conservation plan or natural community cons,ervation plan has been adopted by the City or other agency that includes the project site. No impact would therefore occur. 10. Mineral Resources Environmental Setting The subject area currently contains no known mineral resources. City of Dublin Initial Study/lKEA & Retail Center P A 02-034 Page 37 September 2003 Proiect Impacts and Mitigation Measures a, b) Result in the loss of availability of regionally or locally significant mineral resources? NI. There are no known significant mineral resources located within the project area. Development of the project as proposed would have no impact on mineral resources. 11. Noise Environmental Setting The major source of noise on and adjacent to the project site h from vehicles traveling on the 1- 580 freeway, immediately south of the site. Figure 3.10-B contained in the Eastern Dublin EIR identifies the project site as subject to future exterior noise levels in excess of 70 dbA CNEL. Project Impacts and Mitigation Measures a, d) Would the project expose persons to generation of noise levels in excess of standards established by the General Plan or other applicable standard or to substantial temporary or periodic increases in ambient noise levels? LS. The project site is subject to severe noise levels from the 1-580 freeway. However, the proposed project would include general commercial land uses, not residential, resulting in less- than-significant impacts regarding significant noise levels. Section 3.10 of the Eastern Dublin EIR identified exterior noise levels in excess of 60 dba (CNEL) as significant for residential uses. The Noise Element of the Dublin General Plan identifies an exterior noise level of up to 70 dBA (CNEL as acceptable and up to 75 as conditionally acceptable. b) Exposure of people to excessive groundbome vibration or groundbome noise levels? LS. Groundborne vibrations could be caused by vehicular traffic along the 1-580 Freeway and within driveways and parking areasof development areas. Since future development is commercial in nature, less-than-significant impacts are anticipated. c) Substantial permanent increases in ambient noise levels? NI. Development of the project site with urban-type uses will introduce noise to the project area where no noise generating noise uses presently exist. However, any new noise levels on the project site would be less than presently exists from the adjacent 1-580 Freeway, and in any case, there are no current noise sensitive uses that could be affected by project noise. There would therefore be no impacts with regard to permanent noise increases on the site e, f) Expose people residing or working within two miles of a public airport or in the vicinity of a private airstrip to excessive noise levels? NI. There is no private airstrip in the vicinity of the proposed project, therefore, no impact would result. City of Dublin Initial Study/lKEA & Retail Center P A 02-034 Page 38 September 2003 12. Population and Housing Environmental Setting Data from Projections 2002, published by the Association of Bay Area Governments (ABAG), expects the nine-county San Francisco Bay Region to add a?proximately 1,230,340 new residents by the year 2020. This represents an increase of about 16 percent over the 20-year forecast period from 2000-2020. ABAG expects approximaely 428,351 new households in the region by year 2020. ABAG estimates that Dublin's populatioa (including its Sphere of Influence) was 30,007 in the year 2000 and is projected to grow to 57,900 by 2020. ABAG estimates that the increase in new households will create a c.emand for at least 20,000 new dwellings each year. The City of Dublin is expected to provide 21,290 dwellings by the year 2020. The Eastern Dublin EIR anticipated that the Eastern Dublin area would create 12,458 new dwelling units (Table 3.2-5, page 3.2-7), generating a new r'~sident population of 27,794. Proiect Impacts and Mitigation Measures a) Induce substantial population growth in an area, eitl-ter directly or indirectly? LS. Development of the retail commercial complex will not induce substantial population growth beyond that analyzed in the Eastern Dublin EIR. The project site was proposed for urban level development of a similar nature and somewhat greater intensity in the Eastern Dublin GP A and SP. The Eastern Dublin EIR adequately addresses growth inducement issues and no further analysis is required. b, c) Would the project displace substantial numbers of e;:isting housing units or people? NI. The project area contains no residences that would be displaced to accommodate the proposed project, no impact is expected. 13. Public Services Environmental Setting Fire Protection. Fire protection service to the project site is provided by the Alameda County Fire Department (ACFD), under contract to the City of Dublin. Police Protection. Dublin Police Services provides police and security services to the project site. Dublin Police Services is under contract with the Alameda County Sheriff s office: the City of Dublin owns the department's facilities and equipment but the personnel are employed by the City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 39 September 2003 Sheriff> s Office. Police and security protection includes 24 hour security patrols throughout the community in addition to crime prevention, crime suppression and traffic safety. Schools. Public educational services to the project area are provided by the Dublin Unified School District (DUSD). Maintenance. Maintenance of streets, roads and other public facilities within the project area is the responsibility of the City of Dublin Public Works Department. Solid Waste Service. Solid waste service is provided by the LivermorelDublin Disposal Company. Project Impacts and Mitigation Measures The Eastern Dublin EIR assumed urban development of a similar nature and intensity to that proposed by the Project. It addressed the impacts of development of the project area on services and mitigation measures were adopted to reduce the identified impacts to a less than significant level As reflected below, the Eastern Dublin EIR adequately addressed public services impacts and no additional analysis is required. a) Fire protection? LS. High intensity non-residential development proposed for the site was evaluated in the Eastern Dublin EIR. The EIR identified demand for fire services and fire response to outlying areas as significant impacts (1M 3.4/C and 304/E) and identified mitigation measures (MM 3.4/6.0 - MM3.4111) that require construction of new facilities timed to coincide with development; require appropriate funding mechanisms for capital improvements; identify and acquire new fire station sites; and incorporate fire safety measures into project design. These mitigation measures would apply to the site under both the existing Campus Office and the proposed General Commercial land use designations. Appropriate fire protection measures, as required by the Eastern Dublin EIR, will be imposed on the proposed project through the project review process implemented by the City of Dublin. Fire protection impacts are adequately addressed in the Eastern Dublin EIR. The adopted Mitigation Measures and Specific Plan policies would continue to apply to the project. The Dublin Fire Department has reviewed proposed project plans and have indicated it has the ability to provide fire and emergency rescue services to the proposed project. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. b) Police protection? LS. Demand for police services and police services accessibility were considered significant impacts in the Eastern Dublin EIR (1M 304/A and 304/B). Related mitigation measures (MM 3.4/1.0 - MM3.4/5.0) include provision of additional personnel and facilities; coordination of development timing so services can be expanded; and incorporation of police department recommendations into project design to ensure that adequate rafety and security provisions have been considered as part of the proposed project. City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 40 September 2003 Police protection impacts are adequately addressed in the Eastern Dublin EIR. The adopted Mitigation Measures and Specific Plan policies would continue to apply to the project. The Dublin Police Department has reviewed proposed project phms and have indicated it has the ability to provide police services to the proposed project. Th~re are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. c) Schools? NI. The proposed project involves approval and constructior: of non-residential land uses on the site which would not contribute children to local schools. AI )0, project developers will be required to pay non-residential school impact fees to offset any indirect impacts to local schools. Therefore, there would be no impact on Dublin Unified School District facilities. d) Maintenance of public facilities, including roads? LS. New facilities are proposed to be constructed in the projl~ct area, including Martinelli Drive to the north and a portion of Arnold Road to the west. Ail sUI;h roads and public facilities would be constructed by the project developers. Maintenance of these facilities was anticipated by the Eastern Dublin EIR and considered a significant impact (1M 3.12/A and 3.12/B). Adopted mitigation measures (MM 3.12/1.0-8.0) encourage development agreements; adoption by the City of an area of benefit ordinance; creation of Special Assessment of Mello Roos Community Facilities Districts; City evaluation of Marks-Roos bond pooling; and consideration of City-wide developer and builder impact fees. Pursuant to these mitigati:m measures and related Eastern Dublin Specific Plan policies and programs, the project includes a Development Agreement request, and would be subject to the City's adopted public fa;ilities fees. The Eastern Dublin EIR adequately addresses public facilities impacts. The adopted Mitigation Measures and Specific Plan policies would continue to apply to the project. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. 14. Recreation Environmental Setting Since the project area is not currently developed with urban uses the area contains no parks or other recreational facilities. Nearby community and regional parks include Emerald Glen Park, a 50-acre city park now being developed by the City of Dublin immediately west of Tassajara Road, and two community parks slated for development elsewhere in the Eastern Dublin area. The combined area of the two community parks is 126 acres. Each of these parks would allow for organized sports activities and individual sports as well a:; for passive recreation. Numerous neighborhood parks and neighborhood squares have been included in the Eastern Dublin Specific Plan and General Plan planning areas. Project Impacts and Mitigation Measures a) Would the project increase the use of existing neighborhood or regional parks? City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 41 September 2003 LS. Pursuant to the General Plan, Eastern Dublin Specific Plan and Eastern Dublin EIR mitigation measures, the City has adopted a parks impact fee program. The project will be required to participate in this program thus implementing previously adopted mitigations for potential parks and recreation impacts. The Eastern Dublin EIR adequately addresses park facility impacts. There are no impacts beyond those analyzed in the Eastern Dublin EIR and therefore no additional review or analysis is necessary. b) Does the project include recreational facilities or require the construction of recreational facilities? NI. The project includes no park or recreation facilities, and any such facilities that could be needed would be addressed through payment of City fees. No impacts would therefore result. 15. Transportationtrraffic Environmental Setting The Eastern Dublin EIR addressed the traffic and transportation impacts of development of the project area and mitigation measures were adopted to reduce some of the identified impacts to a less than significant level. Preliminary traffic analyses indicates there could be the potential for additional transportation/traffic impacts beyond those identified in the Eastern Dublin EIR, including potential changes in commute patterns and traffic intensities. Protect Impacts and Mitigation Measures The Eastern Dublin EIR addressed the traffic and transportation impacts of development of the project area and mitigation measures were adopted to reduce some of the identified impacts to a less than significant level. Due to increased urban development in the Tri- Valley area and beyond which may impact roadways within the project area, t1ere could be the potential for additional transportation/traffic impacts. including potential changes in commute patterns and traffic intensities. a) Cause an increase in traffic which is substantial to existing traffic load and street capacity ? PS. The Eastern Dublin EIR considered the development of the project area with Campus Office land uses, and adopted mitigation measures to address the impacts thereof. However, retail uses could result in different peak hour impacts, and changes in Tri- Valley commute patterns in addition to the anticipated project traffic, may cause potentially significant impacts not anticipated by the Eastern Dublin EIR. These impacts could include traffic impacts within the project area, or at nearby intersections, or on freeways, roads, etc. which project traffic may use. This topic will be addressed in a focused Supplemental EIR. b) Exceed, either individually or cumulatively, a LOS standard established by the County CMAfor designated roads? City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 42 September 2003 PS. As noted above, the construction of retail floor space on the project site was not anticipated in the Eastern Dublin EIR and could result in different peak hour traffic impacts than originally considered. Potential impacts of proposed development on regional freeways and local roadways in conjunction with changing commute patterns and traffic intensities unrelated to the project may also cause potentially significant impacts not anticipated by the Eastern Dublin EIR. This topic will be addressed in a focused Supplemental EIR. c) Change in air traffic patterns? NI. Development of the project area is not expected to creale a change in air traffic patterns at the airport and hence would have no impact on air traffic p~~tterns. d) Substantially increase hazards due to a design feature or incompatible use? LS. Approval of the proposed project and future development of the site would add new driveways, sidewalks and other vehicular and pedestrian travel ways where none currently exist. The Eastern Dublin Specific Plan and the Municipal Code contain design standards intended to assure that access to and from a development site, and circulation within the site, will be safe and efficient. Since project facilities will be required to be constructed to these design standards, e) Result in inadequate emergency access? LS. Construction of new commercial development on the project area will provide frontage and other roadway improvements to accommodate project traffi.; and pedestrian demand. These improvements are also expected to provide adequate emergency access. Specific buildings proposed as part of the project will be reviewed by the Fire Department to ensure that emergency access provisions of the Uniform Fire Code and other applicable safety codes will be met. f) Inadequate parking capacity? NI. Parking for IKEA project is proposed at 3.5 spaces perl,OOO feet of gross floor area, this exceeds the City's Zoning Ordinance requirement for Furnilure Store/large appliance stores at 1 space per 400 square feet of gross floor area Additionally, ~,pccific projects within the Retail Center will be reviewed by the City of Dublin at the time such specific development proposals are submitted to ensure consistency with City parking requirements. Based on compliance with the City's Zoning Ordinance, no impact is anticipated. g) Conflict with adopted policies, plans or programsfor alternative transportation? NI. The proposed development projects would be designed with sidewalks, pedestrian walkways, bus facilities and bicycle routes to minimize potential hazards to pedestrians and bicyclists and to support these alternative transportation modes. In accordance with the Eastern Dublin Specific Plan, bicycle routes and pedestrian trails are included as part of the proposed project. The City and Eastern Dublin Specific Plan have standards by which bus turn-outs, bicycle paths, trails and sidewalks must be planned and constructed. LA VT A has indicated that a bus stop will be required along the north and south side of Martinelli Drive. The project as designed can accommodate the requested bus stop. Project developers in accordance with City and LA VT A requirements will install the bus stop. These improvements '.vill be confirmed at the time each individual development project is reviewed by the City. No impacts are therefore anticipated. City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 43 September 2003 16. Utilities and Service Systems Environmental Setting Water and Sewer. The project area lies within the service area of Dublin San Ramon Services District area that provides both domestic and recycled (non-potable) water for irrigation purposes. The District also provides sewer collection services via a series of sewer trunks and mains and treatment services at a central wastewater treatment plant located in Pleasanton. Stormwater Drainage. The City of Dublin provides and maintains local storm drain pipes and related facilities. Regional drainage channels and related facilities are provided and maintained by Alameda County Flood Control and Water Conservation District Zone 7 (Zone 7). Project Impacts and Mitigation Measures The General Plan, Eastern Dublin Specific Plan and Eastern Dublin EIR require adequate water and sewer services for new urban development. DSRSD, as the service provider for both water and sewer, has adopted an Eastern Dublin Facilities Master Plan based on the General Plan land uses and densities. Demand for water and sewer services for the proposed commercial uses would be similar or less than the demand associated with a development scenario under Campus Office land use designation specified in the General Plan and would thus be within the assumptions of the Eastern Dublin EIR as well as the DSRSD master plan. Consistent with the adopted plans and mitigation measures, DSRSD provided the City with a will-serve letter for water and sewer service to the Project. The letter is attached to this Initial Study. In terms of water resources, the Eastern Dublin EIR identified overdraft of groundwater resources (Impact 3.5/P) as a potentially significant impact Adherence to Mitigation Measures 3.5/24.0 and 25.0 would reduce this impact to a level of insignificant. These measures require the City of Dublin to coordinate with DSRSD to develop recycled water resources and otherwise carefully use water resources and that all new development in the Eastern Dublin project area to connect to the DSRSD water system. Impact 3.5/Q identified an increase in water demand as a potentially significant impact, but this impact could be mitigated to an insignificant level based on implementation of Mitigation Measures 3.5/26.0-31.0. These mitigation measures require implementation of water conservation measures in individual development projects and construction of new system-wide water improvements which are funded by development impact fees. Another related impact identified in the Eastern Dublin EIR is the need for additional water treatment plant capacity (Impact 3.5/R). This impact was identified as being reduced to a level of insignificance through the implementation of Mitigation Measures 3.5/32.0-31.0, which requires improvement to the Zone 7 water system, to be funded by individual development impact fees. Impact 3.5/S (lack of a water distribution system) was identified as a potentially significant impact in the Eastern Dublin EIR, but this impact has been reduced to an insignificant level through adherence to Mitigation Measures3.5/4.34.0-38.0. These mitigations require upgrades to the project area water system and provision of a "will serve" letter prior to issuance of a grading permit. Impact 3.5ff identified a potentially significant impact related to inducement of substantial growth and concentration of population in the project area. The Eastern Dublin found that this was a significant and unavoidable impact. City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 44 September 2003 Regarding sewer service, the Eastern Dublin EIR identified Impact 3.5/B (lack of a wastewater collection system) as a potentially significant impact that could be mitigated through adherence to Mitigation Measures 3.51.0-5.0. These measures require DSRSD to prepare an area-wide wastewater collection system master plan, requires all new development to be connected to DSRSD's public sewer system, discourages on-site wastewater treatment, requires a "will-serve" letter from DSRSD and requires that all sewer facilities be I;onstructed to DSRSD engineering standards. Impact 3.5 noted an impact with regard to extemion of a sewer trunk line with capacity to serve new development, but could be reduced to an insignificant level since the proposed Eastern Dublin Specific Plan sewer system has been sized to accommodate increased sewer demand from the proposed Specific Plan project. Impact 3.5/G found that lack of wastewater disposal capacity as a significant impact. An upgraded wastewater disposal facility is presently being constructed by the Livermore Amador Vall,~y Water Management Agency. Impact 3.5/E identified lack of wastewater treatment plant c:apacity as a potentially significant impact, all of which could be reduced to an insignificant level through adherence to Mitigation Measures 3.5/8.0 and 9.0. a) Exceed wastewater treatment requirements of the RWQCB? LS. A letter has been received from DSRSD indicating that adequate wastewater treatment plan capacity exists within DSRSD wastewater treatment faciliti,~s to accommodate the incremental amount of untreated effluent resulting from development of the proposed project, so there would be a less-than-significant impact with regard to wastewater treatment requirements. A copy of the will serve letter is attached to this Initial Study. Therefore, no new impacts above and beyond that addressed in the Eastern Dublin EIR are anticipated wilh approval and implementation of the proposed project and no new analysis is needed. b) Require new water or wastewater treatmentfacilities or expansion of existing facilities? LS. As noted above, a ..will serve" letter has been submitted to the City of Dublin regarding the ability of DSRSD to provide water and wastewater services. A copy of the will serve letter is attached to this Initial Study. Therefore, no new impacts above and beyond that addressed in the Eastern Dublin EIR are anticipated with approval and implementation of the proposed project and no new analysis is needed. c) Require new stonn drainage facilities? LS. See response to 8 ue," Hydrology. d) Are sufficient water supplies available? LS. Based on the ..will serve" letter provided to the City of Dublin (attached), adequate water supplies can be provided to the proposed project by DSRSD. Therefore, no new impacts above and beyond that addressed in the Eastern Dublin EIR are andcipated with approval and implementation of the proposed project and no new analysi~ is needed. e) Adequate wastewater treatment capacity to serve the proposed project? City of Dublin Initial Study/IKEA & Retail Center P A 02-034 Page 45 September 2003 LS. . Based on the "will serve" letter provided to the City of Dublin (attached), adequate wastewater treatment capacity can be provided to the proposed project by DSRSD. Therefore, no new impacts above and beyond that addressed in the Eastern Dublin EIR are anticipated with approval and implementation of the proposed project and no new analysis is needed. f) Solid waste disposal? LS. Development of the project as proposed could incrementally increase the generation of solid waste. This impact was addressed in the Eastern Dublin EIR. (Impacts 3.4/0 and 3.4/P). Mitigation Measures 3.4/37.0-40.0 have been adopted which. require preparation of a sold waste management plan for the Eastern Dublin area, revisions to th.e City of Dublin recycling plans to include new development anticipated in Eastern Dublin and related activities. Based on the adopted mitigation measures, a less-than-significant impact is anticipated for the proposed project and no new impacts above and beyond that addressed in the Eastern Dublin EIR are anticipated with approval and implementation of the proposed project. g) Comply with federal, state and local statutes and regulations related to solid waste? NI. The City of Dublin and the solid waste hauler would emure that developers of individual projects constructed in the project area would adhere to federal, state and local solid waste regulations; therefore, no impact would result. 17. Mandatory Findings of Significance a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, reduce the number of or restrict the range of a rare or endangered plant or animal or eliminate important examples of the majoi" periods of California history or prehistory ? YES. Please refer to the discussion in the Air Quality, Biolc,gical Resources and Transportation sections above. b) Does the project have impacts that are individually iimited, but cumulatively considerable? ("Cumulatively considerable" means that the incremental effects of a project are considerable when viewed in connection with the effects of past projects, the effects of other current projects and the effects of possible future projects.) YES. The Eastern Dublin EIR addressed the cumulative impacts of development of the project area within its evaluation of the overall Eastern Dublin plan:ling area. To the extent that potential impacts will be addressed in a focused Supplememal EIR, related cumulative impacts should also be examined as appropriate. c) Does the project have environmental effects which '.vill cause substantial adverseeffects on human beings, either directly or indirectly? City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 46 September 2003 YES. The Eastern Dublin EIR addressed potentially significant adverse impacts of development on the Project site through its evaluation of the proposed Eastern Dublin General Plan Amendment and Specific Plan. This Initial Study identifies certain potentially significant impacts beyond those analyzed in the Eastern Dublin EIR that will be addressed in a focused Supplemental EIR. Initial Study Preparers Jerry Haag, Consulting Planner Kathleen Faubion, AICP, Assistant City Attorney References Eastern Dublin General Plan Amendment and Specific Plan Environmental Impact Report, Wallace Roberts and Todd, 1994' Eastern Dublin Specific Plan, June 6, 1998 City of Dublin General Plan, revised November 5, 2002 IKEA, application submittal package to City of Dublin, July 2003 Projections 2002, Association of Bay Area Governments, December 1999 Persons! Agencies Contacted in Preparation of this Document City of Dublin Public Works Department Planning Department Fire Department Police Department Other agencies Dublin San Ramon Services District Project applicant IKEA development staff City of Dublin Initial Study/lKEA & Retail Center PA 02-034² Page 47 September 2003 DSRSD "VVill Serve" Letter City of Dublin Initial Study/IKEA & Retail Center PA 02-034 Page 48 September 2003 f. - , P.OO1/12102 I I SEP-1121-2003 1219:42 FROM:CITY OF DUBLIN 9258336628 TO:51121 5486123 D$:LIN SAN'RAMON SERVICES DISTRICT 7051 Dublin Boull:<l'o.rd Dublin.~1~94S68 FAX: 925 829 1189 925 828 0515 July 30, 2002 Jennifer Heywood BICF Engineers 540 Price Avenue Redwood City, CA 94063 Subject: ''Will Serve" ~tter for lKEA Project, Dublin CA Parcel 2 ofParC<:l Map 7714 Dear.Ms. Heywood: In response to your request. this letter addresses the information you requested regarding the. . above referenced project For all District services, please note the following: Sanitary S_cwer Sanitary Sewer Capacities are available fqr your project and are sold 00 a first-come, first serve basis. Construction of sanitary sewer pipeline onsite and offsitc is the owner's respoDSlbmty. Design -and insw,latioo oftb.ese facilities shall conform to District Standard Procedures llJ1d Specifications. The owner m~ obtain a constructiOn permit for the installation of these facilities from. the District. Onsite sanitaxy sewer facilities and s~ces to. this project may COImect to existing sanitary sewer maiDs on Dublin Blvd. or Amold R.d. Potable Wate! The District will be able to provide potable water for normal use and a fireflow of 4,500 gallons per minute (&pm) to the site. Th~ fiteflow required shall be verified during project design and confirmed with the District based on the latest recommenda.tions of the Alameda County Fire Department Construction ofwatcr services and the onsite and offsite water distribution system are the owner's responsibility. Design and installation of these facilities sbal1 conform to District Standard Procedures and Specifications. The owner must obtain a construction pem:1it for the installation of these facilities from the District. Onsite water distribution facilities and water services to this project may conuect to existing water maim on Dublin Blvd., Arnold Rd. and Hacienda Dr. Thr.: Dulillft Raft ~ 8ftrt'\~ ~tN:lI. . 'Public: &nttty H:\l!;NOOEP'l'\PERMITS\DEVLPMNTIlND_COMI \1KEA\lkea Will Serve.do<: SEP-10-2003 09:42 FROM:CITY OF DUBLIN 9258336628 TO:510 5486123 P.002/002 I ! : ! t.. Jennifer Heywood :Bra: Engineers July 30,2002 Page 2 of2 Rcevcled Water The District will be able to provide recycled water to your project site. District Ordinance 280 and the City of Dublin's Water Efficient Landscape Ordinance caJls for installation of recycled water irrigation systems to allow for the use of recycled w~er. TI.e owner's contractor may tap into existing recycled water mains on Dublin Blvd. The onsite ret:ycled,watcr irrigation system shall be designed and installed in conformance to District Recycled VI ater Use Guidelines, as amended. The owner must obtain a construction permit for the in:rtal1ation of these facilities.. from the District. If you have additional questions or concerns, please do not hesita.tl~ to call me at (925) 551 ~ 7230. ext 124. . . SVD;es cc: Rhodora Biagtan K.en 'Peterson David Requa CbronIFile: DP~02-281 H:\ENGDBPT\PERMTTS\DEVl...l'MN'nlND_COM1\IKEA\llc..~ Will Serve.doc Appendix 8.2 Notice of Preparation IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 94 November 2003 (f:~ . 19~:~b CITY~F DUBLIN ~'01~ -,~ 100 Civic Plaza, Dublin, California 94568 "~'Y _.-.~_:....... Website: http://www.cLdublin.ca.us Notice of Preparation/Notice of Scoping Meeting To: Distribution List (see attached) Subject: Notice of Preparation of a Draft Environmenulllmpact Report/Notice of Scoping Meeting , ~... ~~~.:' ENI)9R.~J!. .- . ,. ;':~'L ~{:, Date: September 22, 2003 Al ,;.~~Fi)A COUN'" Lead Agency: City of Dublin Planning Department 100 Civic Plaza Dublin; CA 94568 .~.,. OCT 0 B ZODJ 1;1' -ATfiWK O'CONNeu., County Clerk r """It\~.. ~... . ," ....,.....~,.\lU~. ..11\ _-=: /1).. ~~ Contact: Andy Byde, Senior Planner, Planning Department, (925) ~:5J uu~ v The City of Dublin will be the Lead Agency and hereby invites comments on the proposed scope and content of the Environmental Impact Report:.for the projel~t identified below. Your agency may need to use the EIR prepared by 1l!e Lead Agency when ~nsidering follow-on permits or other approvals for this project. Project Title: IKEA/Retail Center development project (P A 02-034) Project Location: Immediately north of the 1-580 Freeway, west of Hacienda Boulevard, east of Arnold Road and south of future Martinelli Drive (APN S'86-0005-040) Project Description: Approval and construction of (1) an 1KEA retail store totaling 317,000 square feet on 14.34 acres ofland, including retail sales, restaurant, warehouse and 1,130 on- site parking spaces; and (2} the Dublin Retail Center, consirting of up to 137,000 square feet of retail space and related uses on 13.20 acres of land with 665 on-site parking spaces. The project also includes site grading, installation of landf:caping and utility connections. Requested land use entitlements include an Amendment to the Eastern Dublin General Plan and Specific Plan, Stage 1 & 2 rezoning and Development Plans, Site Development Review, . a Tentative Parcel Map, a Vesting Tentative Parcel Map ane a Development Agreement The attached Initial Study identifies potential environmental effects anticipated to be discussed in a Supplemental Environmental Impact Report. Scoping Meeting .::-. A Scoping Meeting for this project will be held at 3 PM on Tb.ursday, October 16,2003, in the Relrional :&gom of the Dublin Civic Center 100 CiV1.6Plaza. DJblin.. . Area Co~ (925)' ity Manager 833-6650 . City Council 833-6650 . Personnel 833-6305 . Economic Development 833-6650 Finance 833-6640 . Public WorkslEngineering 833-6630 . Parks & Community Services 833-6645 . Police 833-6670 PlanningICcrde Enforcement 833-6610 . Building Inspection 833-6620 . Fire Prevention Bureau 833-6606 Printed on Recycled Paper t NOTICE OF PREPARATION DISTRIBUTION LIST Ikea Project September 2003 California State Clearinghouse -Terry Roberts (send 15 copies) - Dublin San Ramon Services District (Greg Taylor) * Dublin Unified School District - John Sugiyama/Kim McNeeley LAVTA-Austin O'Dell Zone 7, ACFC&WCD - Yan Kee Chan Alameda County Planning Department - Buzz Sorenson Surplus Property Authority of Alameda County - Pat Cashman Alameda County Airport Land Use Commission PG&E Pacific Bell Comcast Cable Livermore Dublin Disposal Service - Dan Borges City of Pleasanton Planning Department City of Livermore Planning Department LA VWMA-Vivian Housen California Regional Water Quality Control Board-San Francisco Bay Region Bay Area Air Quality Management District Alameda County Congestion Management Agency City Departments Diane Lowart, Parks and Community Services Director Melissa Morton, City Engineer Chris Foss, Economic Development Director ENDORSED PILED ALAMEDA OOUNTY oer~'o 8 lOOj . PAbb / . . 0,' ~~:: Appendix 8.3 Responses to Initial Study IKEA Draft Supplemental EtR City of Dublin PA 02-034 Page 95 November 2003 ST A TE OF CALIFORNIA BUSINESS TRANSPORTATION AND HOUSING AGENCY ORA y DAVIS Governor DEPARTMENT OF TRANSPORTATION 111 GRAND AVENUE P. O. BOX 23660 OAKLAND, CA 94623-0660 PHONE (510) 286-5505 FAX (510) 286-5513 TIY (800) 735-2929 ~ Flex your power! Be energy efficient! October 22, 2003 ALA580780 ALA-580-18.82 SCH2003092076 Mr. Andy Byde City of Dublin 100 Civic Plaza Dublin, CA 94568 Dear Mr. Byde: DUBLIN HillA - NOTICE OF PREPARATION Thank you for including the California Department of Transportation (Department) in the early stages of the environmental review process for the Dublin IKEA Project. The following comments are based on the Notice of Preparation. Traffic Analysis Please include the information detailed below in the Traffic Study to ensure that project-related impacts to State roadway facilities are thoroughly assessed. We encourage the City to coordinate preparation of the study with our office, and we would appreciate the opportunity to review the scope of work. The Department's "Guide for the Preparation of Traffic Impact Studies" should be reviewed prior to initiating any traffic analysis for the project; it is available at the following website: htto:1 Iwww.dot.ca.gov/hq/traffops/developserv/operationalsystems/reportsItisguide.pdf Tne Traffic Study should include: 1. Site plan clearly showing project access in relation to nearby state roadways. Ingress and egress for all project components should be clearly identified. State Right-of-Way (ROW) should be clearly identified. 2. Project-related trip generation, distribution, and assignment. The assumptions and methodologies used to develop this information should be detailed in the study, and should be supported with appropriate documentation. 3. Average Daily Traffic, AM and PM peak hour volumes and levels of service (LOS) on all significantly affected roadways, including crossroads and controlled intersections for existing, existing plus project, cumulative and cumulative plus project scenarios. "Caltrans improves mobility across California .. RECEIVED CJCT 2 4 2003 . 'UBUN PLANNING Mr. Andy Byde October 22, 2003 Page 2 Calculation of cumulative traffic volumes should consider all traffic-generating developments, both existing and future, that would affect study area roadways and intersections. The analysis should clearly identify the proje.ct's contribution to area traffic and degradation to existing and cumulative levels of service. Lastly, the Department's LOS threshold, which is the transition between LOS C and D, (md is explained in detail in the Guide for Traffic Studies, should be applied to all state facilities. 4. Schematic illustration of traffic conditions including the project site and study area roadways, trip distribution percentages and volumes as well as intersection geometrics, i.e., lane configurations, for the scenarios described above. 5. The project site building potential as identified in the City's General Plan. The project's consistency with both the Circulation Element of the Geneml Plan and the Alameda County Congestion Management Agency's Congestion Management Plan should be evaluated. 6. Mitigation should be identified for any roadway mainlir. e section or intersection with insufficient capacity to maintain an acceptable LOS with the addition of project-related and/or cumulative traffic. The project's fair share contribution, financing, scheduling, implementation responsibilities and lead agency monitoring should also be fully discussed for all proposed mitigation measures. 7. Special attention should be given to the following trip-reducing measures: · Encouraging mixed-use, · Maximizing density through offering bonuses and/or credits, · Coordinating with LAVTA and BART to increase transit/rail use by expanding routes and emphasizing express service to regional rail statioru, and by providing bus shelters with seating at any future bus pullouts, · Providing transit information to all future employees and patrons of the project, and · Encouraging bicycle- and pedestrian-friendly design. While the 2000 Highway Capacity Manual (HCM) may not be the preferred LOS methodology, it should be used for analyzing impacts to state facilities, parti<:ularly where previous analysis employing alternative methodologies has identified impacts. The residual level of service, assumii'1g mitigation has been implemented, should also be analyzed \Vith HCM 2000. Please forward a copy of the Traffic Study, including Technical Appendices, the environmental document, staff report and the City's transportation impact fee policy to the address below as soon as they are available. Patricia Maurice, Associate Transportation PlaJmer Office of Transit and Community Planning, Mail Station 100 California DOT, District 4 111 Grand Avenue Oakland, CA 94612-3717 "Caltrans improves mobility across California" Mr. Andy Byde October 22, 2003 Page 3 Right of Way Work that encroaches onto the ROW requires an encroachment permit that is issued by the Department. To apply, a completed encroachment permit application, environmental documentation, and five (5) sets of plans, clearly indicating State ROW, must be submitted to the address below. Traffic-related mitigation measures will be incorporated into the construction plans during the encroachment permit process. Sean Nozzari, District Office Chief Office of Permits California DOT, District 4 P.O. Box 23660 Oakland, CA 94623-0660 Please feel free to call or email Patricia Maurice of my staff at (510) 622-1644 or patricia maurice(a),dot.ca.gov with any questions regarding this letter. Sincerely, ~~~ District Branch Chief IGR/CEQA c: Ms. Terry Roberts, State Clearinghouse "Caltrans improves mobility across California" ALAV1EDA CCLNTY CONGES1l0f\; MANAGElv1ENT AGENCY 1333 BROADWAY, SUITE 220. OAKLAND, CA 94612. PHONE: (510) 836-2560. FAX: (510) 836-2185 E-MAIL: mail@accma.ca.gov.WEBSr"E:accma.ca.gov October 22, 2003 Andy Byde Senior Planner Planning Department City of Dublin 100 Civic Plaza Dublin, CA 94568 SUBJECT: Comments on the General Plan Amendment for the IKEA and Dublin Retail Center Projects in the City of Dublin Dear Mr. Byde: Thank you for the opportunity to comment on the City of Dublin's General Plan Amendment (GPA) for the 14.34 acre IKEA project and 13.2 acre Dub~n Retail Center project. The project would allow approval and construction of an IKEA retal. store totaling 317,000 square feet including retail sales, restaurant, warehouse and 1,130 on-site parking spaces, and would include the Dublin Retail Center, consisting of up to 137,000 squaTl~ feet ofreta.il space and related uses on 13.2 acres of land with 665 on-site parking spaces. The project requires an Amendment to the Eastern Dublin General Plan and Specific Plan, Stage 1 & 2 rezoning and Development Plans, Site Development Review, and Tentative Parcel Map, A Vesting Tentative Parcel Map and a Development Agreement. The project is located immediatel~' north of the 1-580 Freew;ry, west of Hacienda Boulevard, east of Arnold Road and south offutur,~ Martinelli Drive. The ACCMA respectfully submits the following comments: · The City of Dublin adopted Resolution 120-92 on September 28, 1992 establishing guidelines for reviewing the impacts of local land use d<~isions consistent with the Alameda County Congestion Management Program (CMP). Baslxl on our review of the GPA and the land uses that are being considered, the proposed projl~ appears to generate at least 100 p.m. peak hour trips over baseline conditions. If thiS is the case, the CMP Land Use Analysis Program requires the City to conduct a trafiic analysis of the project using the Countywide Transportation Demand Model for Yeat 2005 conditions. Please note the following paragraph as it discusses the responsibility for modeling. · The Countywide Model has been updated to Projections 2002 for base years 2010 and 2025. The CMA Board amended the CMP on March 26th, 19~18 so that local jurisdictions are now responsible for conducting the model runs themselvl~ or through a consultant. The Countywide model is available to the local jurisdictions ;:or this purpose. The City of Dublin has not yet returned a signed a Countywide Model Agreement to the ACCMA. Before the model can be released to you or your consultant, the 3!:reement must be signed by the City RECEIVED OCT 232003 nUBUN PLANNING Mr. Andy Byde October 22, 2003 Page 2 and the ACCMA and a letter must be submitted to the ACCMA requesting use of the model and describing the project. A copy of a sample letter agreement is available upon request . Potential impacts of the project on the Metropolitan Transportation System (MTS) need to be addressed. (See 2001 Congestion Management Program (CMP)). The analysis should address all potential impacts of the project on the MTS roadway and transit systems. These include 1-580, 1-680, SR-84, Dublin Boulevard, San Ramon RoadIFoothill Boulevard, Tassajara Road/Santa Rita Road, Dougherty Road/Hopyard Road, as well as BART and LAVTA. Potential impacts of the project must be addressed for 2010 and 2025 conditions. Please note that the ACCMA does not have a policy for detennining a threshold of significance. Rather, it is expected that professional judgment will be applied to determine project level impacts. . The CMA requests that there be a discussion on the proposed funding sources of the transportation mitigation measures identified in the environmental documentation. The CMP establishes a Capital hnprovement Program (CIF) (See 2001 CMP) that assigns priorities for funding roadway and transit projects throughout Alameda County. The improvements called for in the analysis should be consistent with the CMP CIP. Given the limited resources at the state and federa11evels, it would be speculative to assume funding of an improvement unless it is consistent with the project funding priorities established in the Capital Improvement Program of the CMP, the federal Transportation Improvement Program (rIP), or the adopted Regional Transportation Plan (RTP). Therefore, we are requesting that the environmental documentation include a financial program for all roadway and transit improvements. . The adequacy of any project mitigation measures should be discussed. On February 25, 1993 the CMA Board adopted three criteria for evaluating the adequacy of DEIR project mitigation measures: . Project mitigation measures must be adequate to sustain CMP service standards for roadways and transit; . Project mitigation measures must be fully funded to be considered adequate; . Project mitigation measures that rely on state or federal funds directed by or influenced by the CMA must be consistent with the project funding priorities established in the Capital Improvement Program (CIF) section of the CMP or the Regional Transportation Plan (RTP). It would be helpful to indicate in the analysis the adequacy of proposed mitigation measures relative to these criteria. In particular, the analysis should detail when proposed roadway or transit route improvements are expected to be completed, how they will be funded, and what would be the effect on LOS if only the funded portions of these projects were assumed to be built prior to project completion. . Potential impacts of the project on CMP transit levels of service must be analyzed. (See 2001 CMP, Chapter 4). Transit service standards are 15-30 minute headways for bus service and 3.75-15 minute headways for BART during peak hours. The analysis should Mr. Andy Byde October 22, 2003 Page 3 address the issue of transit funding as a mitigation melSure in the context of the CMA's policies as discussed above. . The Dublin/Pleasanton BART Station, which appears tel be approximately one-quarter mile from the proposed project site, is the site of an approved Transit Village with proposed high density transit-oriented development, and has been the recipient of funding for a parking structure to support the transit village. The Alameda County CMA is developing a policy to encourage transit-oriented development. How will the design and location of the 454,000 square feet of retail, warehouse and related uses for Ikea and the Dublin Retail Center and the 1,795 parking spaces on the 27.54 acre site encourage transit and pedestrian use in the project area? . The analysis should consider demand-related strategies that are designed to reduce the need for new roadway facilities over the long term and to mak:e the most efficient use of existing facilities (see 2001 CMP, Chapter 5). The analysis could consider the use of TOM measures, in conjunction with roadway and transit imp rovements, as a means of atbin;ng acceptable levels of service. Whenever possible, mechanisms that encourage ridesharing, flextime, transit, bicycling, teleconunuting and other means of reducing peak hour traffic trips should be considered. Street layout and design strategies would foster pedestrian and bicycle connections and transit-friendly site design she,uld also be considered. The Site Design Guidelines Checklist may be useful during the review of the development proposal. A copy of the checklist is enclosed. . We have been asked to inform you about the success of the Financial Incentives Program and the Guaranteed Ride Home Program, both of which are supported by the ACCMA. Employee oriented financial incentive programs, such HS parking cashout programs, have proven to be successful in encouraging solo drivers to choose other conunute alternatives. We would like you to consider applying the Financial Incentive Program as part of the conditions of approval and/or developer agreements as a way to reduce congestion. The Guaranteed Ride Home Program, sponsored by the ACCMA, ensures that any carpooler or transit rider at participating worksites can get home in ~:e of an emergency. . The Alameda Countywide Bicycle Plan was approved by the ACCMA Board on June 28, 2001. The analysis should consider opportunities to promote countywide bicycle routes identified in the Plan through the project development review process. . For projects adjacent to state roadway fucilities, the analysis should address noise impacts of the project. If the analysis finds an impact, then mitigation measures (i.e., soundwalls) should be incorporated as part of the conditions of approval of the proposed project. It should not be assumed that federal or state funding is avaliable. Mr. Andy Byde October 22, 2003 Page 4 Once again, thank you for the opportunity to comment on this GP A. Please do not hesitate to contact me at 510/836-2560 ext. 13 if you require additional information. Sincerely, ~. Diane Stark Senior Transportation Planner cc: Chron file: CMP - Environmental Review Opinions - Responses - 2003 BAY AREA AIR O1!ALITY MANAGEMENT DISTRICT AlAMEDA COUNTY Roberta Cooper Scott Haggerty (Chairperson) Nate Miley Shelia Young CONTRA COSTA COUNTY Marl< DeSaulnier Marl< Ross Gayle Uilkema (Secretary) MARIN COUNTY Harold C. Brown, Jr. NAPA COUNTY Brad Wagenknecht SAN FRANCISCO COUNTY Willie Brown, Jr. Chris Daly Jake McGoldrick SAN MATEO COUNTY Jerry Hill Marland Townsend (Vice-Chairperson) SANTA CLARA COUNTY Liz Kniss Patrick Kwok Julia Miller Dena Mossar SOLANO COUNTY John F. Silva SONOMA COUNTY Tim Smith Pamela Torliatt William C. Norton EXECUTIVE OFFICERlAPCO ~\~~o ~~C 'l. C"~ 1..~~'?l 'J~ \ ","~~\~G ")\)~;V~ ~ October 22, 2003 Andy Byde Senior Planner, Planning Department City of Dublin 100 Civic Plaza Dublin, CA 94568 Subject: IKEAlRetail Center Development Dear Mr. Byde: The Bay Area Air Quality Management Di!,trict (District) staff have received your agency's Notice of Preparation (NOP) of a Draft Environmental Impact Report (DEIR.) for the IKEAlRetail Center Development project. The project proposes to change the land use designations for the project site from Campus Office to General Commercial. The proposed project includes the development of 1) a 317,000 square foot IKEA retail store; 2) the Dublin Retail Center which would consist of up to 137,000 square feet of additional retail uses; and 3) 1,795 on-site parking spaces on a 27.54 acn site in the Eastern Dublin Specific Plan area. We agree with the NOP's conclusion that the DEIR should analyze the project's potential impacts upon air quality. The.DEIR should indicate that the Bay Area is currently a nonattainment area for federal and state ambient air quality standards for 1 hour ozone and state standards for particulate matter. The air quality. standards are set at levels to protect public :lealth and welfare. Toxic air contaminants are also an area of serious concern in the Bay Area Any project which exposes sensitive receptors or the general public to substantial levels of criteria air pollutants or toxic air contaminants would be deemed to have a significant impact and would need to be properly mitigated. AE general background for readers, the DEIR should discuss the health effects of air pollution and the contribution of mobile and stationary soure es to air pollution emissions. The DEIR. should analyze the potential impacts on air ql~8.11rj from project construction and project operation at buildout. If significant air quality impacts are identified, the DEIR must include all feasible miti~;ation measures to reduce those impacts. Without mitigation, a commercial projecl of this size is likely to have significant air quality impacts through an increasem motor vehicle traffic. Throughout the Bay Area, communities are reconsldering the desirability of building large-scale auto-oriented developments 011 greenfield sites. For example, as part of the Regional Agencies Smart Growth Strategy/Regional Livability Footprint Project, Alameda County residents recently expressed a preference for more infill and mixed use development that provides a range of travel options. We believe that through land use decisions that support transit, walking and cycling, Bay Area cities can help to reduce the rate of increase in vehicle miles traveled and improve local and regional air quality. 939 ELLIS STREET. SA!': FRANCISCO CALIFORNIA 94109.415.771.6000. www.baaqmd.gov Mr. Andy Byde -2- October 22, 2003 We have concerns about the suitability of this site for auto-oriented retail and commercial land uses. According to the map of the project area, the Dublin Pleasanton BART stationlDublin Transit Center and a number of Livermore Amador Valley Transit Authority (LA VTA) bus lines are located adjacent to the proposed project site. The City should consider whether the subject property might be better utilized for transit-oriented development rather than as an auto-oriented shopping center. If significant air quality impacts are identified, the DEIR should include all feasible mitigation measures to reduce the air quality impacts. If they cannot be reduced to a level less than significant, alternatives should be identified that would not result in significant air quality impacts. We encourage the City to consider a project alternative that locates equivalent commercial space on in-fill properties in already urbanized areas of Dublin. If the City determines that the proposed retail land uses cannot be accommodated at a different location, decides not to propose different land uses for .this site, and still finds significant air quality impacts from vehicle trips generated by the project, then we urge the City to require the project sponsor to scale back the size of the project or to substantially mitigate the air quality impacts by reducing vehicle trips. District staff encourage the City to require the implementation of specific and comprehensive mitigation measures as part of the conditions of project approval. We suggest that the City encourage the project sponsors to include the following physical improvements to the project that will help to promote transportation alternatives to the single- occupant vehicle: safe, convenient public walkways/trails; bicycle parking; and linkages to local and regional bike/pedestrian networks. In addition, the City can further reduce vehicle trips by incorporating as many appropriate programmatic transportation dernand management (TDM) measures as possible, including: transit subsidies such as the Commuter Check program for employees; guaranteed ride home program; flexible work schedules; bicycle and pedestrian incentive programs; and others listed in our guidance document, BAAQMD CEQA Guidelines: Assessing the Air Quality Impacts of Projects and Plans (1999), mentioned below. Such measures promote transportation alternatives to the single-occupant vehicle, which help to mitigate the project's air quality impacts. Weare concerned about the project's design with respect to on-site parking. An over- supply of parking is one of the reasons why people do not consider alternatives to the single- occupant vehicle. We recommend that the City reduce the number of parking spaces and implement a parking cash-out program. Parking cash-out requires employers to provide transit and/or ridesharing subsidies to non-driver employees in amounts equivalent to the value of subsidized parking, thereby encouraging those who would normally drive alone to consider a commute alternative. The DEIR should also evaluate potential nuisance impacts, such as exposure to odors and dust that could result from project implementation. Odors and dust may not necessarily cause physical harm, but can still be unpleasant and can motivate citizen complaints. Air quality problems arise when sources of air pollution and sensitive receptors are located near one another. Mr. Andy Byde -3- October 22, 2003 Particulate matter (PM) is a pollutant of concern for both nuisance and health-related reasons. PM larger than ten microns is more likely to be a public nuisance than a serious health hazard. On the other hand, research has demonstrated a correlation betwel~n high levels of fine PM and increased mortality rates and high incidences of chronic respiratOlY illness. The DEIR should evaluate potential impacts and propose appropriate mitigation me:tsures. For more details on our agency's guidance regarding environmental review, we recommend that the City refer to the BAAQMD CEQA Guidelines: Assessing the Air Quality Impacts of Projects and Plans (1999). The document provides information on best practices for assessing and mitigating air quality impacts related to projects and plans, including construction emissions, land use/design measures, project operations, motor vehicles, nuisance impacts and more. If you do not already have a copy of our guidelines, we recommend that you obtain a copy by calling our Public Information Division at (415) 749-490:> or downloading the online version from the District's web site at http://www.baaqmd.gov/pbllCEQAlceqaguide.asp. If you have any questions regarding these comments, plea:;e contact Suzanne Bourguignon, Environmental Planner, at (415) 749-5093. Sincerely, W~.; c- -- JJ- William C. Norton/ ~ Executive Officer/ APCa WN:SB cc: BAAQ:MD Director Roberta Cooper BAAQMD Director Scott Haggerty BAAQMD Director Nate Miley BAAQMD Director Shelia Young ADMINISTRATION BUILDING 1052 S Livermore Avenue Livennore. CA 94550-4899 Ph (925) 960-4000 Fa.x. (925) 960-4058 TOD (925) 9604104 MAYOR I COUNCIL Ph: 960-4010 . Fax 960-4025 CITY MANAGER Ph: 960-4040 . Fax: 960-4045 CITY ATTORNEY Ph: 960-4150 . Fax: 960-4180 RISK MANAGEMENT Ph 960-4170. Fax: 9604180 CITY CLERK Ph 960-4200 . Fa.x 960-4205 COMMUNITY DEVELOPMENT Ph: 960-4400 . Fax: 960-4459 BuiUWtg Division Ph: 960-4410 . Fax: 960-4419 Engineuiltg Division Ph 960-4500 . Fax: 960-4505 Housing Division. Ph 960-4580 . Fax: 960-4149 PUuuaing Division Ph: 960-4450 . Fax: 960-4459 ECONOMIC DEVELOPMENT Ph. 960-4140 . Fax: 960-4149 FlNANCE DEPARTMENT Ph. 960-4300 . Fax: 960-4309 FIRE DEPARTMENT 4550 East Avenue Ph 454-2361 . Fax. 454-2367 UBRARY J 000 S. Livermore Avenue Ph. 373-5500 . Fax: 373.5503 PERSOJ'lo"NEL Ph: 960-4100 . Fax 960-4105 POUCEDEPARTMENT 1110 S. LivennoreAvenue Ph: 371-4900 . Fax: 371-4950 TOD 371-4982 PUBUC SERVICES 3500 Robertson Park Rd. Ph: 960-8000 . Fax: 960.8005 Airport DivisiDIt 636 Terminal Circle Ph: 373-5280 . Fax: 373-5042 Golf Coune Division 909 Clubhouse Drive Ph 373-5239 . Fax: 373-5203 M Gintenaltce Division 3500 Robertson Park Rd. Ph: 960-8020 . Fax: 960-8025 RlGtD' Raourus Division 101 W Jack London Blvd Ph 960-8100 . Fax 960-8105 .- v.:-___.......~,~.'ooM_~.;.:.:._:.~.......w.:._~.:.;;;.._..:I_~~.:_.._..'_. CITY OF LWERMORE ''Wine Country Since 1849' October 22, 2003 Andy Byde, Senior Planner City of Dublin Planning Department 100 Civic Plaza Dublin. CA 94568 RE: Notice of Preparation for the IKEAlRetail Center Development Dear Mr. Byde, Thank you for the opportunity to comment on the Notice of Preparation (NOP) for the above referenced project. The Draft Environmental Impact Report (EIR) should consider the traffic impacts of over 450,000 square feet of retail and related uses on the existing and proposed subregional roadway system including 1-580 and the Dublin BoulevardINorth Canyons Parkway connection. The potential impacts to the EI Charro Road and Airway Boulevard interchanges and intersections along North Canyons Parkway are of concern to the City of Livermore. Air quality impacts resulting from increased traffic and traffic congestion should also be considered in the Draft EIR. Please forward two copies of the Draft EIR when completed to Susan Frost, Senior Planner, 1052 S. Livermore Avenue, Livermore, CA 94550. If you have any questions, please contact Susan Frost at (925) 960-4450. Sincerely, ~ Susan Frost Senior Planner cc: Marc Roberts, Community Development Director Eric Brown, Planning Manager RECEIVED OCT 27 2003 DUBLIN PLANNING ADAMS BROADWELL JOSEPH & CARDOZO DANIEL L. CARDOZO RICHARD T. DRURY THOMAS A. ENSLOW TANYA A. GULESSERIAN MARC D. JOSEPH SUMA PEESAPATI A PROFESSIONAL. CORPORATION SACRAMENTO OFFICE ATTORNEYS AT LAW 1029 K STREET, SUITE 37 SACRAMENTO, CA 95814 TEL: (916) 444-6201 FAX: (916) 444-6209 651 GATEWAY 80ULEVARD, SUITE 900 SOUTH SAN FRANCISCO, CA 94080 OF COUNSEL THOMAS R. ADAMS ANN BROADWELL TEL: (650) 589-1660 FAX: (650) 589-5062 zbassett@adamsbroadwell.com October 21, 2003 RECEIVED OCT 1 tl 2003 'USLlN PLANNING Via Facsimile and Bv u.s. Mail Andy Byde City of Dublin 100 Civic Plaza Dublin, CA 94568 Kay Keck City Clerk City of Dublin 100 Civic Plaza Dublin, CA 94568 Re: CEQA Notice -- IKEAlRetail Center Development Proiect Dear Mr. Byde and Ms. Keck: We are writing on behalf of the Plumbers and Steemfitters Union Local 342, the International Brotherhood of Electrical Workers 595, and the Sheetmetal Workers Local 104 with respect to the IKEA/Retail Center Development Project (FA 02-034) ("Project") to request mailed notice of the availab ility of the Draft Environmental Impact Report or any environmental revi'3w document, such as an Environmental Impact Report ("EIR"), Negative Declaration ("ND") or Exemption, prepared pursuant to the California Environmental Quality Act for the Project, as well as a copy of the EIR when it is made available for public review. We also request mailed notice of any and all hearings and/or actions related to the Project. These requests are made pursuant to Public Resources Code Section 21092.2 and Government Code Section 65092, which require local agencies to mail such notices to any person who has filed a written request for them with the clerk of the agency's governing body. 141Op-0l o printed on recycled paper October 21, 2003 Page 2 Please send the above requested items to our South San Francisco Office as follows: Zohary Bassett Adams Broadwell Joseph & Cardozo 651 Gateway Boulevard, Suite 900 South San Francisco, CA 94038 Please call me at (650) 589-1660 if you have any questions. Thank you for your assistance with this matter. Sincerely, d- ary Bassett search Specialist cc: Richard Drury ZB: 141Op-0l ALAMEDA COUNTY FLOOD CONTROL AND V/ATER CONSERVATION DISTRICT 5997 PARKSIDE DRIVE 4 PLEASANTON, CALIFORNIA 94588-51:'7 4 PHON: (925) 484-2600 FAX (925) 462-3914 October 23,2003 Mr. Andy Byde, Senior Planner Comm~tyD~d~m~D~mm~ City of Dublin 100 Civic Plaza Dublin, CA 94568 Re: Initial Study and Notice ofPr~aration (NaP) for a Draft EIR IkeaIRetail Center Development Project (P A 02-034) Zone 7 Referral No. 00-093D Dear Mr. Byde: Zone 7 has reviewed the referenced CEQA docwnents in the context of our responsibilities to provide wholesale treated water, non-potable water for agriculture and irrigated turf, flood protection, and groundwater and stream management in the Livennore-Amador Valle:y. Also, enclosed for your reference is our previous review letter dated August 26,2003 for Ikea Devel~ment (P A 02-034). Our comments are as follows: 1. Hydrology and Water Quality, Paragraph 8a, page 35. The second paragraph states that development projects th2t result in soil distmbance of at least five acres ofland are required to submit a Notice ofIntent to the State Water Resources Control Board. Please be advised that, as ofMoll"Ch 10, 2003, the size threshold for a NPDES General Construction Permit is reduced from five acres to one acre of disturbed land. 2. Hydrology and Water Quality, Paragraph 8d, page 36. Mitigation for the creation of any new impervious areas within the Livennore-Amador Valley is addressed through the collection of Special Drainage Area (SDA) 7-1 drainage fees. Zone T s standard mitigation practice is to collect an SDA 7-1 fee on any new buildings, improvements (including but not limited to paving), or stnlctmes to be constructed that substmtially increase the imperviousness of the land surface. Cl r'I') z Q~ Z w~ z :> "" :3 iii ~ Q. U Z W I- ~ tr:=? m :J The proposed project will be connecting to an existing Zone 7 flood control facility (Line G 2-1), a tributary to ('''habot Canal. Hydraulic ca1culatiom. for the proposed drainage system should be provided to Zone 7 to ensure that design flows do not adversely impact existing hydraulics downstream of the project Mr. Andy Byde October 23, 2003 Page 2 3. Hydrology and Water Quality, Paragraph 8f: page 37. The Project Description, page 4, states that recycled water seIVices would be provided by DSRSD in accordance with DSRSD's Eastern Dublin Facilities Master Plan, when and where available to reduce the need for potable water. The referenced paragraph does not address the potential salt loading impacts over OlD" main groundwater basin. Zone 7 considers all applied water (rainwater is an exception), including both potable water and recycled water, to contribute salt loading to the groundwater basin, and use of recycled water requires mitigation of the associated impacts. The Groundwater Demineralization Project is the recommended project to accomplish Zone 7's Salt Management Program's goal of non-degradation of OlD" main grolDldwater basin from the long-term buildup of salts. Zone 7 expects to complete the first phase of this project in 2006. We request that the City support the Groundwater Demineralization Project in the Draft EIR as the appropriate mitigation for the proposed project. Otherwise, we request that the lead agency address the mitigation of any salt loading impacts of the project should Zone 7's future GrolDldwater Demineralization Project not be constructed and placed into operation. We appreciate the opporttmity to comment on this document Please feel free to contact me at (925) 484-2600, ext. 400,jhoren@zone7water.com, or Jack Fong at ext. 245,jfong@zone7water.com, if you have any questions or comments. Sincerely, F~J Jim Horen Principal Engineer Advance Planning JPH:JF:arr cc: Dave Requa, DSRSD Ed Cununings, Zone 7 John Mahoney, Zone 7 Joe Seto, Zone 7 Mona Olmsted, Zone 7 Jack Fong, Zone 7 P:Advpln/CEOAReferrals-lkeaRetailCenter ALAMEDA COUNTY FLOOD CONTROL AND VIATER CONSERVATION DISTRICT 5997 PARKSIDE DRIVE ; PLEASANTON. CALIFORNIA 94588-51: 7 4 "HONE (925) 484-2600 FAX (925) 462.3914 August 26, 2003 Mr. Andy Byde, Senior Planner Community Development Department City of Dublin 100 Civic Plaza Dublin, CA 94568 SUBJECT: IKEA Development / (P A 02-034) . North of 1-580, Between Arnold Road & Hacienda Drive, Dublin Zone 7 Rt>ferral No. 00-093D Dear Mr. Byde: This letter is in response to your referral dated August. 2, 2003, regarding the aforementioned project. Zone 7's sections submitted the following coniments: Water Supply: As per our letter of February 16,2001, please identify the existing 16-inch waterline shown on the project plans as a Zone 7 waterline. In addition, sheet C-4.0 of the plans appears to include the following two drafting errors: 1) Amanhole and branch pipeline which is connected to Zone T s 16-inch waterline. (These facilities do not exist in the field). 2) A direct connection between the new development's planned 16-inch waterline and Zone..7's 16-inch waterline. (Direct connections to the Zone 7 transmission system are not allowed). These drafting errors are circled in red on the plans submitted for review. Please revise and resubmil the plans for final approval. As before, valves and other appurtenances that are located within the limits of construction must be clearly located prior to construction. If any resurfacing or grading work is performed, these appurtenances shall be raised to grade at no expense to Zone 7. An encroachment permit is required when working in close proximity to Zone 7 water facilities. This permit will have specific conditions for construction around a Zone 7 facility. The permit will become effective upon payment of an application fee and any applicable inspection charges and the deposit of an approved surety bond to Zone 7. Please contact Jaime Rios at extension 407 for an encroachment permit and if you have any questions regarding water supply issues. Mr. Andy Byde, Senior Planner Community Development Department City of Dublin August 26, 2003 Page 2 Groundwater Management: Our records indicate there are no water wells or monitoring wells located. within the project boundaries. If any wells are found within the proj ect limits, they should be reported to Zone ,. Any planned new well, soil boring or well destruction must be permitted. by Zone 7 before starting the work. There are no fees for the Zone 7 drilling permits. Well permit applications can be obtained by contacting Wyman Hong at extension 235 or can be downloaded from our web site at ,^'WW.zone7water.com. Flood Control: Developments that increase impervious area are subject to Special Drainage Area (SDA) 7-1 drainage fees. Drainage fees are collected by the governing agency for new roads (upon application for approval of vesting tentative or final map) and buildings, driveways, etc. (upon application for building permit). There are no existing Zone 7 flood control facilities at this location. Should you have any flood control related questions, please contact Clayton Borchers at extension 402. For future submittals at this loc,~tion, please refer to Zone 7 Referral No. 00-093D. If you have any questions, please do not hesitate to contact the person identified per section comments or me at extension 249. Very truly yours, ~~.i~_ J K. Koltz - ~ ~ S . or Engineer Advance Planning Enclosure JKK:CB:jr cc: Clayton Borchers, Zone 7, Flood Control Jaime Rios, Zone 7, Water Supply P:1FloodlReferral.s\2003Refen-als\O()"93D IKE.A. Development (PA-02-034).doc Appendix 8.4 City of Dublin Resolution No. 53-93 IKEA Draft Supplemental EIR City of Dublin PA 02-034 Page 96 November 2003 ,. / .-........ RESOLUTJ:ON NO. ~-93 A RESOLUTION OJ' THE CITY COUNCIL OF THE CITY OJ' DUBLIN RESOLtJ'J.'IOIl ADOPTJ:IlG THE EAS'l'ERN DtJBL:IN GBIlERAL PLAN AIIBIlJ)~ AIlD BASTBRR DUBLIIl SPECIJ':tC PLAIl: QX:tHG FDtDINGS PORSlmNT '1'0 THE CALI:FORND EIlVZRONKEllTAL QtJAL1:'1'Y ACT UD ADOP'1'I:HG A STA'1'BHBIlT OF OVBRRIDING CONSI:DBRATXOJl'S FOR 'rBB BASTBRB DOBLDf GBRBRAL PLAN AKENDIIENT AJm SPBCD'I:C PLAB; ABD ADOftJ:NG A HI:'1'J:GATI:ON HON:tTORIIlG PROGRAKJ'OR 'I'D BASTBD DUBLI:R GEHBRAL PLAN AKBIlDHBNT AND SPBCI:J'I:C PLAN Recitals 1. In response to a proposal for residential development of the Dublin Ranch property, the City of Dublin undertook the Eastern Dublin study to plan for the future development of the eastern Dublin area. . 2. The City council and Planning Commission conducted three joint public study sessions and three workshops relating to planning issues in eastern Dublin. a. The April 18, 1990, study session considered a land use concept report containing four land use scenarios and the consistency of each land use concept with existing general plan policies. Alternative #4 was considered the preferred land use concept for environmental study by informal consensus. b. The August 22, 1990, study session considered Alternative #4 and a fifth concept (based on the 1986 annexation agreement with Alameda County). The "Town Center" concept, types of streets, location and types of parks were discussed. c. The November 15, 1990, workshop solicited comments from the public regarding the existing and desired life style qualities in Dublin and what the public wanted to see in a new community. d. The December 6, 1990, workshop continued with a similar discussion of desired types of commercial development and discussed circulation systems and parks and open space. e. The December 18, 1990, workshop presented a preliminary conceptual land use plan. Input was received on the transit spine, l.ocation of civic. center, types of residential uses, location of commercial uses, the concentration of high density residential uses, and jobs/housing balance. 1 . ..-.... f. The February 14, 1991, study session considered a land use plan that incorporated comments made at the three workshops and included a discussion of major issues, such as the location of a high school, connection to e,xisting Dublin, size of streets and types of parks. 3. With the. identification of a preferred alternative on February 14, 1991, the city prepared a Draf't General Plan Amendment for approximately 6,920 acres to plan for future development of a mixed use community of single- and mUltiple-family residences, commercial uses (general commercial, mdghborhood commercial, campus office and industrial park), ];.ublic and semi-public facilities (including schools), parks and open space. Draft General Plan Amendment 4. The Draft General Plan Amendment, dated May 27, 1992, designates the proposed general distribution and general location and extent of the uses of Eastern Dublin for residential, commercial, industrial, public, open space and parks, and other categories of public and private uses of .land. 5. The Draft General Plan Amendment includes a statement of standards of population density and standards of building intensity for Eastern Dublin. 6. Pursuant to the provisions of state Planning and Zoning Law, it is the function and duty of the Planning commission of the city of Dublin to review and recomm~ld action on proposed amendments to the city's General Plan. 7. The Planning Commission held a duly noticed public hearing on the Eastern Dublin Draft General Plan AmendInent on october 1, 1992, which hearing was continued to Octol::,er 6, 1992, October 12, 1992, and october 15, 1992. 8. Based on comments received duri ng the public hearing, related text revisions, dated December 21, 1992, were made to the Draft General Plan Amendment and were reviewed by the Planning Commission on December 21, 1992. 9. The Draft General Plan Amendment was reviewed by the Planning Commission in accordance with the provisions of the California Environmental Quality Act thro'~gh the preparation and review of an Environmental Impact Report. On December 21, 1992, by Resolution No. 92-060, the Planning Commission recommended certification of the Final Environmental Impact Report. 10. On December 21, 1992, the Planning Commission, after considering all written and oral testimony submitted at the public hearing, adopted of ReSOlution No. 92-J61, recommending City 2 --.. -- council adoption of the Draft General Plan Amendment, as revised December 21,1992. Draft Snecific Plan 11. The Draft Specific Plan, dated May 27, 1992, implements an approximately 3,328-acre portion of the Eastern Dublin General Plan Amendment by providing a detailed framework, including policies, standards and implementation programs, for evaluation of development proj ects proposed in the portion of eastern Dublin. covered by the Draft Specific Plan. 12. Pursuant to State Law, the Eastern Dublin Draft Specific Plan was prepared and reviewed in the same manner as a general plan amendment. 13. The Planning commission. held a duly noticed public hearing on the Eastern Dublin Draft Specific Plan on October 6, 1992, which hearing was continued to October 12, 1992, and October 15, 1992. 14. Based on comments received during the pUblic hearings, related text revisions, dated December 21, 1992, were made to the Draft Specific Plan and were reviewed by the Planning Commission on December 21, 1.992. 15. The Draft Specific Plan was reviewed by the Planning Commission in accc;>rdance with the provisions of the California Environmental Quality Act through the preparation and review of a Final Environmental Impact Report. On December 21, 1992, by Resolution No. 92-060, the Planning Commission recommended certification of the Final Environmental Impact Report. 16. On December 21, 1992, the Planning commission, after considering all written and oral testimony submitted at the public hearing, adopted Resolution No. 92-062, recommending city Council adoption of the Draft Specific Plan, dated May 27, 1992, as revised December 21, 1992. council Public Hearina 17. The city council held a duly noticed public hearing on the Eastern Dublin Draft General Plan Amendment and Draft Specific Plan on January 14, 1993, which hearing was continued to January 21, 1.993, February 23, 1993, March 30, 1993, and April 27, 1993. 18. on April 27, 1993, the City Council, by Resolution No. 45-93, voted to refer Alternative 2: Reduced Planning Area ("Alternative 2") with modifications back to the Planning Commission for its recommendation, pursuant to Government Code section 65356. 3 -- 19. The Planning Commission held a public hearing on May 3, 1993, to consider Alternative 2' with modific;:ations and has reported back to the City Council by planning Commis,sion Resolution No. 93- 013. 20. The City council considered all written and oral testimony submitted at the public hearing and all written testimony submitted prior to the public hearing and the recommendation of the Planning Commission as set forth in Planning Commission Resolution Nos. 92-061, 92-062 and 93-013. 21. On May 1.0, 1993 the Council held duly noticed a public hearing to hear testimony regarding the Planning Commission IS recommendation as set forth in Planning commission Resolution No. 93-013. 22. On May 10, 1993, the City Council adopted Resolution No. 51-93, certifying the Addendum to the Draft EIR and the Final Environmental Impact Report ("Final EIR") a::: adequate and complete. The Final EIR identified significant advers,eenvironmental impacts which can be mitigated to a level of insigni.ficance through changes or alterations in the project. Therefctre, pursuant to CEQA, findings adopting the changes or alterations are required and are contained in this resolution. Some of the significant impacts cannot be mitigated to a level of insigni:Eicance and a statement of overriding considerations is therefore rl~quired pursuant to CEQA and is also contained in this resolution. 23. Upon consideration of the land use and environmental effects of the project, as described in thE! Final EIR, the Council has determined to adopt Alternative 2, as described in the Final EIR, with certain modifications which are dl~scribed in the Addendum to the Draft EIR ("Alternative 2 With Modifi.cations"). Alternative 2 With Modifications reduces land use impac.ts, does not disrupt the existing rural residential community in Doolan Canyon, potentially reduces growth-inducing impacts on agricultural lands, reduces certain traffic impacts to a level of insignificance, produces less demand for infrastructure, reduc;:es the ne,ise impacts for Doolan Road to a level of insignificance and will have a positive fiscal impact on ~e city. 24. Alternative 2 was considered by the Planning commission at its hearings, in testimony at the public hearings, in staff reports presented to the Commission at its hearings, in the EIR reviewed by the Planning Commission at i'ts hearings and in its deliberations. 25. Alternative 2 With Modificat.ions includes several substantial modifications to Alternative 2, as Alternative 2 is described in the Draft EIR. Althot:lgh several of these modifications were considered by the Plar.ning Commission at its hearings, the Planning Commission has considered Alternative 2 With 4 - --. Modifications and has reported back to the Council with its recommendation regarding Alternative 2 With Modifications. The Council has determined to follow the Planning Commission's recommendation as set forth in its Resolution No. 93-013, except with respect to the width of the Transit spine and with the addition of the phrase "or other appropriate agreements" on page 160 of the Draft Specific Plan (S 11.3.1; first sentence). Findinas/OVerridina Considerations I Mitiaation Monitorina proaram 26. Public Resources Code section 21081 requires the city to make certain findings if the City approves a project for which an environmental impact report has been prepared that identifies significant environmental effects. 27. Section 15093 of the state CEQA Guidelines requires adoption by the City Council of a statement of overriding considerations if the Council approves a project which will result in unavoidable significant effects on the environment. 28. Public Resource Code section 21085 and section 15092 of the state CEQA Guidelines require the city to make certain determinations if it approves a project which reduces the number of housing units considered in the environmental impact report. 29. The Final EIR for the Eastern Dublin General Plan Amendment and Specific Plan identifies certain significant adverse environmental effects. 30. certain of the significant adverse environmental effects can be reduced to a level of insignificance by changes or alterations in tbe project. 31. certain of the significant adverse environmental effects cannot be mitigated to a level of insignificance. 32. The Council has selected Alternative 2 identified in the Final EIR with modifications described in the Addendum to the Draft EIR, reducing the number of housing units for suoh property from the projeot as reviewed by the Final EIR for the Eastern Dublin General Plan Amendment and Specific Plan. 33. Public Resources Code section 21081.6 requires the City to adopt a reporting or monitoring program for changes in a project or conditions imposed to mitigate or avoid significant environmental effects in order to ensure compliance during project implementation. 34. Government Code section 65300 authorizes a city council to adopt a general plan for land outside its boundaries which in the Planning Commission' s judgment bears relation to its planning. 5 .-... .- 35. The Planning Commission has c:msidered whether land outside the City's boundaries bears re:lation to the City's planning. 36. The city has referred Alternati~Te 2 with Modifications to the Alameda County Airport Land Use Commi.ssion ("ALUC") pursuant to Public utilities Code section 21676 (b). The City has not received a determination from the ALUC. ThH 60-day time period for the ALUC to make a determination has not y,at run. )tow, THEREFORB, BB IT RESOLVED THAT A. The Dublin City Council does hereby approve "Alternative 2: Reduced Planning Area" as the Eastern Dublin General Plan Amendment, with the Revisions dated Decembe:c 21, 1992, and with the Modifications described in the AddendUlll to Draft EIR, dated May 4, 1993. B. The Dublin city Council finds the Eastern DUblin specific Plan, as described in the Final EIR as "Alternative 2: Reduced Planning Area," with Revisions dated DeceD~er 21, 1992, and with the modifications described in the Addendunl to Draft EIR dated May 4, 1993, to be consistent with the Dublin General Plan, as revised by the Eastern Dubli.n General Plan Amendme:r1t. C. The Dublin City Council does her,eby approve the Eastern Dublin specific Plan, with the Revisions d,3.ted December 21, 1992, and with the Modifications described in the Addendum to Draft EIR, dated May 4, 1993 and with the revision to page J.60 referred to in paragraph 25 above. D. The Dublin City Council does her,aby direct the staff to edit, format, and print the up-to-date DUblin General Plan with all city Council approved revisions a:1.d without any other substantive changes. E. The Dublin City Council does herE~by direct the staff to edit, format, and print the Eastern Dublin Specific Plan with all city council approved revisions and withou'~ any other substantive changes. BB IT FURTKBR RESOLVED THAT the Dublin City Council does hereby make the findings set forth in Secti.ons 1, 2, 3, 4 and 5 of Exhibi t A, attached hereto and incorporated herein by this reference, for the Eastern Dublin General Plan Amendment and Specific Plan. BE IT FURTHER RESOLVED 'l'BA'l' the Dublin City Council finds and declares that the rationale for each of thla findings set forth in Sections 1, 2, 3, 4 and 5 of its findings (Exhibit A) is contained in the paragraph entitled "Rationale for Finding" in Exhibit A. 6 .---- .-, The Council further finds that the mitigation measures for each identified impact in Exhibit A make changes to, or alterations to, the Eastern DUblin General Plan Amendment and specific Plan, or are measures incorporated in the Eastern Dublin specific Plan that, once implemented as described in the Mitigation Monitoring Program (Exhibit B hereto), will avoid or substantially lessen the significant effects of the Eastern Dublin General Plan Amendment and specific Plan on the environment. BB :tT FURTHER RESOLVED THAT the Dublin city council does hereby adopt the statement of overriding Considerations set forth in Section 6 of Exhibit A, attached hereto, which statement shall be. included in the record of the project approval. BE :tT FURTHER RBSOLVED THAT the Dublin City Council does hereby adopt the "Mitigation Monitoring Program: Eastern Dublin specific Plan/General Plan Amendment" attached hereto and incorporated herein as Exhibit B, as the reporting and monitoring program required by Public Resources Code section 21081.6 for the Eastern Dublin General Plan Amendment and specific Plan. BB :t'1" FUR'l"BER :aBSOLVBD THA'1" the Dublin city council does hereby direct that the Applicants for land use approvals in the Specific Plan area shall pay their pro rata share of all costs associated with the implementation of the Mitigation Monitoring Program. BB :t'1" FUR'l"BERRESOLVED THA'1" the Dublin city Council does hereby direct that all fees established pursuant to Government Code Section 65456, to recover costs of preparation of the specific Plan, shall include the cost of preparation, adoption and administration of the specific Plan plus interest on such costs based upon the City of Dublin's average monthly weighted investment yield calculated for each year or fraction thereof that such costs are unpaid. BB rP FUR'l"BER RESOLVED THAT the Dublin city council does hereby direct the City Cler~ to file a Notice of Determination for the Eastern Dublin General Plan Amendment and Specific Plan project with the Alameda County Clerk and the State Office of Planning and Research. BE :tT FURTHER RESOLVED THAT the Dublin city Council does hereby direct the City Clerk to make available to the public, within one working day of the date of adoption of this resolution, copies of this resolution (inclUding all Exhibits) and the Eastern Dublin General Plan Amendment, dated May 27, 1992, with the Revisions dated December 21, 1992, and the modifications described in the Addendum to Draft EIR dated May 4, 1993, and the Eastern Dublin specific Plan, dated May 27, 1992, with the Revisions to Draft Specific Plan, dated December 21, 1992, and the modifications 7 .'- -. described in the Addendum to DraftEIR, all as modified by this resolution. BE IT FURTHER RESOLVED THAT this rtasolution shall become effective thirty (30) days from the date o:E passage. BE IT FURTHER RBSOLVED THAT if, on the effective date of this resolution or within the remaining 60-day l?eriod for ALUC action, the ALUC has found that Alternative 2 with Modifications is not consistent with the ALUC's Alameda County ;~irport Land Use Policy Plan, the City shall submit all regulations, permits or other actions implementing the Eastern DUblin General Plan Amendment and specific Plan to the ALUC for review until such time that the city Council revises the Eastern Dublin Genel:'al Plan Amendment and specific Plan to be consistent with the ALUC's Alameda County Airport Land Use Policy Plan or adopts specific findings by a two- thirds vote that the General Plan Amendmen.t and specific Plan are consistent with the purposes of Article 3.5 of Chapter 4 of Part 1 of Division 9 of the Public Utilities Code as stated in section 21670 of such Code. PASSED, APPROVED, AND ADOPTED this 10t.h day of May, 1993, by the following vote: AYES: Coun.ci.lmambers Burton, Houston, Ebl7ard, M::>ffatt & Mayor Snyder NOES: None ABSENT: None ABSTAIN: None /,~v. .;f lJ-'...J Mayor ATTEST: ~~EdL 114 \RBSOL \29 \RBSOLUTION 8 .-, ,...-~. section 1 FXNDXNGS CONCBRHJ:NG SXGlaFXCANT XKPACTS AI1D IUTXGATXOH DAStJRBS Pursuant to Public Resources Code section 21081, the city Council h~eby makes the following findings with respect to the Project's potential significant environmental impacts and means for mitigating those impacts. Findings pursuant to section 21081, subdivision (c), as they relate to "project alternatives," are made in section 3. Section 3.1-- Land Use XMPACT 3.1/F. cumulative Loss of Aqricultural and Open space Lands. Agricultural grazing land and open space in Alameda and Contra Costa counties will be converted to urban uses by proposed projects such as Dougherty Valley, Tassajara Valley, North Livermore, and Eastern Dublin. Because it would result in the urbanization of a large area of open space, the proposed Project would contribute to this cumulative loss of agriCUltural land and open space in the Tri-Valley area. This is considered a signifi- cant unavoidable cumulative impact. Response to Comments (flRC") # 34-9. Findina. No mitigation measures are impact to a level of insignificance. of overriding considerations must be of the Project. proposed to reduce this Therefore, a statement adopted upon approval Rationale for Findina. The tota1 amount of open space within the RPA that will be urbanized will be cumulatively significant, in light of numerous other open space areas within the region that is also anticipated for urbanization. DlPACT 3.1/G. Potential Conflicts with Land Uses to the West. The Parks Reserve Forces Training Area (nCamp Parks") is located due west of ..the Specific Plan area. Existing and future Army training activities, such as the use of high velocity weapons and helicopters, could result in noise and safety 90nflicts with adjacent open space and single-family residential areas of the specific Plan. The extent of future army activity is unknown and lThe "Project" is Alternative 2 described in the DEXR at pages 4-9 through 4-14 with the modifications described in the May 4, 1993 Addendum to the EIR. Alternative 2 calls for development in the Reduced Planning Area (the portion of eastern Dublin within its sphere-of-influence) (hereafter "RPA"). 114\eastdub\fiDd(4) 1 ~-rAat~~ b : UBIBlS- A ..--.... -... the Army has not yet completed its Camp Parks Master Plan. DELR page 3.1.-1.3. Mitiaation Measure 3.1./1..0. The City of Dublin should coordinate its planning activities with the Army to achieve compatibility with adjacent camp PClrks land uses, to solve potential future conflicts, and to reconcile land use incom- patibilities. The city should com;ult with the Army for any specific development proposals witlLin the RPA. DEIR pages 3.1.-1.3, -22. Findina ~ Changes or alterations helve been required in, or incorporated into, the Project thai: avoid or substantially lessen:the significant effect iden1:ified in the Final EIR. Rationale for Finding. Coordinated planning activities will allow the City and Army to identify potential noise and safety impacts before they occur and will allow specific mitigation measures, including redElsiqn, to be incorporated into development in the Proj ect ArE!a.. section 3.3 -- Traffic and Circu1.ation When a mitigation measure referenced in this section requires development ,projects within the RPA to pay for a proportionate cost of reqional transportation prograw:: and/or traffic and circulationiimprovements, the proportiorl shall be as determined by regional;"transportation studies, suet, as the current study by the Tri-Val+ey Transportation Council. DlPAC'l' 3. 3/~. I-580 Freeway, '1'assajara-'1!'allon. Year 201.0 growth without the .~Project would cause cumulative freeway volumes to exceed Level of Service E on I-580 betwE,en Tassajara Road and Fallon Road. DEIR pages 3.3-21 (as revised), 5.0-3. Mitiaation Measure 3.3/1..0. Caltrans, in cooperation with local jurisdictions, could construct auxiliary lanes on I- 580 between Tassajara Road and Fallon Road to create a total of ten lanes, which would provide I,evel of Service D opera- tions, consistent with the Caltrans Route Concept Report for I-580. DEIR pages 3.3-21. (as revised), 5.0-3. Findina. Approval of the construct ion of the auxiliary lanes, and cooperation by juriSdictions other than the City of Dub~in, are within the responsibility and jurisdiction of other public agencies and not the city of Dublin. Such actions can and should be taken by other agencies. If taken, !such actions would avoid or substantially lessen the significant effect identified in the Final EIR. ~ , 114\eastdub\fiDd(4) 2 -, ............ Rationale for Finding. This mitigation measure provides acceptable Level of service D operations during peak hours on the. freeway. DlPACT 3.3/8. X-S80 Freeway, ;[-680 to Hacienc1a. Year 2010 growth with the project would cause 1-580 between 1-680 and Dougherty Road to exceed Level of Service E. This is also a significant cumulative impact. DEIR pages 3.3-21 (as revised), 4-11, 5.0-3. Mitiaation !easure 3.3/2.0. Consistent with specific Plan policy 5-21. , all non-residential projects with 50 or more employees in the RPA shall participate in a Transportation systems Management (TSM) program to reduce the use of single occupant vehicles through strategies including but not limited to encouraging public transit use, carpooling, and flexible work hours. DEIR pages 3.3-21. (as revised), 5.0- 3. Mitiaation Measure 3.3/2.1. All projects within the RPA area shall contribute a proportionate share of the costs of regional transportation mitigation programs, as determined by regional transportation studies. Such regional miti- gation ;'programs may include enhanced public transit service and/or upgrading alternate road corridors to relieve demand on I-580 or 1-680. DEIR page 3.3-21 (as revised). Findina. Changes or alterations have been required in, or incorporated into the Project. However, even with these changes, the impact might not be avoided or substantially lessened. Therefore, a statement of overriding Considera- tions must be adopted upon approval of the Project. Rationale for Findina. Approval of Alternative 2 reduces to a level of insignificance the impact on 1-580 between Doughetty Road and Hacienda Drive. DE1R page 4-1.1. The TSM progrcnP. strategies will reduce single car occupancy, thereby reducin,g the number of cars expected to use the subject stretc~ of 1-580. Regional actions may focus not only on reduciI'j.g auto use by reducing single occupant vehicles, but also o~ increasing Project area road capacities through 2 This policy appears in the Eastern Dublin Specific Plan, which plan applies only to the identified Specific Plan area. The provisions of this policy provide useful mitigation outside the Specific Plan area as well. Therefore, the EIR and these findings adopt these provisions for the entire RPA. Hereinafter, those Specific Plan goals, policies, and action programs whose provisions are similarly adopted for the RPA throughout these findings will be indicated by an asterisk. " " 11&\eastdub\f~d(4) .~. 3 r--- .....-...... construction of routes providing convtmient al ternati ves to I-580 and 1-680. Given the overall e~cpected increase in traffic, however, these measures are not sufficient to reduce ,the cUlllulative impacts on 1-580 between 1-680 and Doughe~y Road to insignificance. ~ :IMPACT 3.3/C. :I-580 Preeway, Tassajara-Fa:Llon-Airway. Year 2010 growth with ;the Project would cause freewa~r volumes to exceed Level of Service E on 1-580 between Tassajara Road and Airway Boulevard.tThis is also a significant cUllIulative impact. DEIR page 3.3-21:\(as revised), 5.0-3. Mitiaation Measure 3.3/3.0. The city shall coordinate with Caltrans and the city of Pleasanton b, construct auxiliary lanes on 1-580 between Tassajara Road and Airway Boulevard. All projects within the RPA shall con":ribute a proportionate share of the costs of these improvem~lts. DEIR pages 3.3- 22 (as revised), 5.0-3; RC #7-6 Findina. Changes or alterations have been required in, or incorporated into the Proj ect that av"id or substantially lessen the significant effects identi:Eied in the Final EIR. Freeway construction actions are within the ultimate res- ponsibility and jurisdiction of Caltr.:lns, .who can and should take stich actions. If taken, such act.ions would avoid or subst~tially lessen the significant ,affect identified in the Final EIR. Rationale for Findina. The auxiliary lanes will provide sufficient additional capacity on 1-5BO to provide Level of Service D between Fallon Road and Air-Nay BOUlevard, and Level of service E between Tassajara :Road and Fallon Road. Both Level of service D and E are accaptable during peak freeway hours. DEIR pages 3.3-2, -18. Development in the RPA will be required to contribute its fair share to the auxiliary lane improvements so that woen such improvements are needed, they will be provided by new development generating the need. State law author'izes the City to enter into a cooperative agreement with Caltrans to make the freeway improvements (see. e.a., Streets & Highways Code SS 113.5, 114). :IMPACT 3.3/~. X-680 Freeway, Horth of X-5BO. Year 2010 growth . .1 . W1th the Prd,Ject would cause freeway volUllles to exceed Level of Service E on 1-680 north of the I-580 interchange. This is also a significa4t cumulative impact. DEIR page 3.3-22, 5.0-4. Mitiaa~ion Measure 3.3/4.0. All projects in the RPA shall contriDute a proportionate share of the costs of Caltrans' planned improvements at the I-580/1-680 interchange, in- cluding a new two-lane freeway-to-freeway flyover with 114\eastdub\fiDd(4) 4 r-. ,.-...... rel.ated hook ramps to the City of Dubl.in. DEIR page 3.3-22. (as reyised) (see also page 3.3-17 (as revised)). " Findina. Changes or alterations have been required in, or incorp~rated into the Project that'avoid or substantial.ly l.essenlthe significant effects identified in the Final EIR. Freewaf interchange improvement actions are within the responsibil.ity and jurisdiction of Caltrans, who can and shoul.d,take such actions. If taken, such actions would avoid or substantially lessen the significant effect identified in the Final EIR. Rational.e for Findina. The expected interchanges and related improvements will provide sufficient additional capacity on 1-680 to provide Level. of service D north of the 1-580 interchange. Development in the RPA wil.l be required to contribute its fair share to the interchange and related improvements so that when such improvements are needed, they wil.l be. provided by new devel.opment generating the need. i :i . 1KPACT 3.3/~. cumulative Freeway xmpacts. cumul.ative buildout with the Pr~ject would cause additional. freeway sections, in- cluding 1-5~0 east of Airway Boul.evard, and the segment of 1-580 between Dougherty and Hacienda to exceed level of service E. OEIR pages ~.3-22 (as revised), 5.0-4. Mitiaation Measure 3.3/5.0. The Project shall. contribute a proportionate share to the construction of auxiliary lanes (for a total. of 10) on 1-580 east of Airway Boulevard, for implementation by Caltrans. The city shall coordinate with other local jurisdictions to require that al.l future de- vel.opment projects participate in regional transportation mitigation programs as determined by the current Tri-Valley Transportation Council study. OEIR pages 3.3-22 (as re- vised), 5.0-4. Findina. Changes or alterations have been required in, or incorpo.rated into, the Project. Actions by other agencies and Ca~trans to impl.ement this mitigation measure are within the re~onsibil.i ty and jurisdiction of those other agencies and no~ the city of Dubl.in. Such actions can and should be taken by the other agencies. However, even with these change~ the impact will not be avoided or substantial.l.y l.essen~d. Therefore, a statement of Overriding considera- tions must be adopted. ~i Rationale for Findina. The auxiliary lanes will provide sufficient additional capacity to provide acceptable level of service on part of 1-580 widening to ten l.anes is consistent with the Route Concept Report. OEIR page 3.3-22 (as revised). Regional transportation mitigations can 114\eas~ub\fiDd(4) 5 ".- .~ reduce cumulative impacts through n\E:asures to decrease single occupant vehicle use and increase public transit use to further decrease traffic impacts. However, even with these improvements, part of I-580 (1:,etween I-680 and Hacienda Drive) will still be beyond. acceptable LOS E. DEIR pages 3.3-20, 3.3-21 (as revised), 4-11. DlPACT 3.3/P. Dougherty Road and Du):)lin Boulevard. Year 2010 development with the Project would cause Level of Service F operations ~t the intersection of Dougherty Road with Dublin Boulevard. ~DEIR page 3.3-25. ~ Mitiaation Measure 3.3/6.0. The city of Dublin shall monitor the intersection and implement construction of additiGnal lanes when required to maintain LOS D operations. All pr~jects within the RPA shall contribute a proportionate share Qf the improvement costs. DEIR page. 3.3-25 (as revised) . Finding. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially . lessen the significant effect identified in the Final EIR. Rationale for Findina. The additional lanes at the Dougherty Road/Dublin Boulevard intersection will provide sufficient capacity for Level of Service D operations, which is acceptable at street intersections in Dublin (DEIR pages 3.3-2, -18 (as revised)). Development in the RPA will be requir~d to contribute its fair share of the intersection ilD.prov~ents so that, when such improvements are needed, they will be provided by new development generating the need. 1; DlPACT 3.3/G. Hacienda Drive and :I-S80 Eastbound Ramps. Year 2010 develoPment with the Project would C:luse Level of Service F operations at the intersection of Haciend,a Drive with the I-580 eastbound ramps. DEIR page 3.3-25 (as reyised) . .: Hi tiaation Measure 3.3/7.0. The city of Dublin shall implement improvements in coordinati,:)n with the city of Pleasanton and Caltrans to widen the eastbound off-ramp to provide a second left turn lane. All projects in the RPA shall contribute a proportionate sha:ce of the improvement costs. DEIR page 3.3-25 (as revised); RC # 7-9. Finding. Changes or alterations havl~ :been required in, or incorporated into the Project, that avoid or substantially lessen.::the significant effect identi:cied in the Final EIR. Off-r~ widening actions are within the ultimate respon- sibilit.y and jurisdiction of Caltranl;. Such actions can and should~be taken by Caltrans. If talmn, such actions would ., , 114\eas~ub\f~d(4) .'.! 6 ,,-- .~ avoid or substantially lessen the significant effect identi- fied i# the Final EIR. Rationale for Findina. The additional lanes at the east- bound 6ff-ramp will provide acceptable Level of Service C operat+ons. Development in the Project area will be required to contribute its fair share of the intersection improvements, so that when such improvements are needed, they will be provided by new development generating the need. state law authorizes the City to enter into a cooperative aqreement with Caltrans to make the off-ramp improvements (see. e.a., Streets & Highways Code 55 113.5, 114). DlPAC'l' 3.3/H. Tassajara Road aDd X-580 West:J)ound Ramps. Year 2010 development with the Project would cause Level of Service F operations at the intersection of Tassajara Road with the 1-580 westbound r~mps. DEIR page 3.3-25 (as revised). Mitiaation Measure 3.3/8.0. The city of Dublin shall implem~nt improvements in coordination with Caltrans to widen the 1-580 westbound Off-ramp and to modify the northbound approach to provide additional turn and through lanes.): All projects in the RPA shall contribute a pro- portio~ate share of the improvement costs. DEIR page 3.3- 26 (as ~:revised) . Findina. Changes or alterations have been required in, or incorporated into the Project, that avoid or Substantially lessen the significant effect identified in the Final EIR. Coordinating and ramp widening actions are within the ulti- mate responsibility and jurisdiction of Caltrans, which can and should take such actions. If taken, such actions would avoid or substantially lessen the significant effect identi- fied in the Final EIR. Rationale for Findina. The reconfigured lanes at the east- bound ~ff-ramp will provide acceptable Level of Service B operati:-ons. Development in the Project area will. be requir~d to contribute its fair share of the intersection improvements so that when such improvements are needed, they will ~ provided by new development generating the need. State law authorizes the City to enter into a cooperative agreem~t with Caltrans to make the off-ramp improvements (see. a.a., Streets & Highways Code SS 113.5, 114). DlPAC'r 3.3/I.. SllIlta Rita Road and X-580 Bastbound Ramps. Year 2010 devel.opment with the Project woul.d cause Level of Service F operations at the intersection of Santa Rita Road with the 1-580 eastbound ramps. DEIR page 3.3-26. 114\eastdUb\~ind(4) 7 !: ~ ,,-..... Mitiaation Measure 3.3/9.0. The city of Dublin shall implement improvements in coordinati()n with the city of Pleasanton and Caltrans to widen the 1-580 eastbound off- ramp to provide two left-turn lanes, one through lane, and one right-turn lane to provide Level of Service E at this intersection. All projects in the Rl?A shall contribute a proportionate share of the improvement costs. The city of Dublin shall continue to work with the City of Pleasanton to monitor level of service at this intl!rsection and partici- pate in implementing improvements which may be identified in the future to improve traffic operations. DEIR page 3.3-26 (as revised); RC # 7-11. Finding. Changes or alterations havl! been required in, or incorporated into the Project. Ramp widening actions are within<the ultimate responsibility and jurisdiction of Caltrans, which can and should take :;uch actions. However, even with these changes and actions, the impact will not be . avoide~ or substantially lessened. ~t'herefore, a Statement of ov~riding considerations must be adopted upon approval of the ~;Project. Rationale for Findinq. The off-ramp widening will provide LOS E eperations, which is still significant. Development in the.Project area will be required to contribute its fair share of the intersection improvemen1:s, so that. when such improvements are needed, they will Dt! provided by new development generating the need. IMPACT 3.3/1r.. Airway Boulevard and 1-580 West])oUDdRallps. Year 2010 development with the Project would cause Level of Service F operations at the intersection of Airway Boulevard with the I- 580 westbound ramps. DEIR page 3.3-27 (a:; revised). Hi tiqation Measure 3.3/11. o. The City of Dublin shall implem~nt improvements in coordinatic)n with the city of Livermore and Caltrans to replace or widen the Airway Boulevard overcrossing .of 1-580 and ':0 widen the offramp for additional turn lanes. All projects within the RPA shall contribute a proportionate share of ":he improvement costs. DEIR page 3.3-27 (as revised); RC #1'7-2 l' Findina. Changes or alterations have:! been required in, or incorporated into the Project, that avoid or substantially lessen the significant effect identi:Eied in the Final EIR. Road and ramp widening actions are within the ultimate responsibility and jurisdiction of Caltrans, which can and should take such actions. If taken :;uch actions would avoid or substantially lessen the siqnificiint effect identified in the Final EIR. 114\eas~ub\find(4) 8 ~ ,..-..." Rationale for Findina. The Airway Boulevard and 1-580 improvements will provide an acceptable Level of Service D. Development in the Project area will' be required to contri- bute its fair share of the improvements so that when such improvements are needed, they will be provided by new development generating the need. state. law authorizes the city to enter into a cooperative agreement with Caltrans to make ~e road and ramp improvements (see. e. a., streets & Highway's Code 55 113.5, 114). XHPACT 3.3/L. El Charro Road. Project traffic could introduce stops and delays for loaded trucks from the quarries on El Charro Road south of 1-580. DEIR page 3.3-27 (as revised). Mitiqation Measure 3.3/12.0. The City of Dublin shall implement improvements in coordination with caltrans, the city of Pleasanton, and Alameda County to ensure that modifications to the 1-580 interchange at Fallon RoadlEl Charro Road include provisions for unimpeded truck movements to and from El Charro Road. All projects in the RPA shall contribute a proportionate share of improvement costs. DEIR page 3.3-27 (as revised). Findinc:r. Changes or alterations have been required in, or incorpOrated into the Project, that avoid or substantially lessen the significant effect identified in the Final EIR. Freeway interchange modification actions are within the ultimate responsibility and jurisdiction of CaTtrans, which can and should take such actions. If taken, such actions would ~void or substantially lessen the signifxcant effect identified in the Final EIR. Rationale for Findina. Providing unimpeded access for the quarry trucks will prevent other traffic from backing up behind the heavily laden trucks with their slow starts and stops. Development in theProj ect area will be required to contribute its fair share of the improvements so that when such improvements are needed, they will be provided by new development generating the need. State law authorizes the city to enter into a cooperative agreement with Caltrans to make the off-ramp improvements (see. e.a., streets & Highways Code 55 113.5, 114). .~ :IMPACT 3.3/~. cwaulative Impacts on Du])lin BoulevarcS. cumulative buildout with. the Project would cause Level of Service F opera- tions at thE! intersection of Hacienda Drive with Dublin Boulevard and Level of Service E operations at the intersection of Tassa- jara Road with DUblin Boulevard. DEIR page 3.3-27 (as revised), 5. 0-4. ?, t 114\eastdab\f1Dd(4) 9 ~. ....-..~. :- ~. Mitiaation Measure 3.3/13.0. The city shall continue to participate in regional studi~s of :future transportation requirements, improvement alternati,~s, and funding pro- grams. Buildout of proposed project:s outside Eastern Dublin would require the city to build grac~-separated interchanges on Dublin Boulevard and/or establish alternate routes to redistribute traffic flow. All proj ects in the RPA shall contribute a proportionate share of improvement costs. DEIR pages 3.3-27 (as revised), 5.0-4. Findina. Changes or alterations have been required in, or incorporated into the Project. Howe:ver, even with these changes, the impact might not be avclided or substantially lessened. Therefore, a statement of overriding Considera- tions must be adopted .upon approval of the Project. . Rationale for Finding. Re<Jional tra.nsportation programs will attempt to reduce the amount of future traffic and associated impacts. Even with these, efforts, however, the cumulative traffic impacts on Dublir, Boulevard might not be reduced to insignificance. :tHPACT 3.3/N. cumulative :tJDpacts on Tassajara Road. CUmulative buildout with the Project would cause Level of Service F opera- tions at the intersections of Tassajara F:oad with Fallon Road, Gleason Road, and the Transit Spine. ThE,se impacts..w.ould be caused pr~arily by traffic from the Taseajara connection to Dougherty valley, and full buildout of the Tassajara Valley. DEIR page 3.3-28 (as revised), 5.0-4. Mitigation Measure 3.3/14.0. The city shall reserve suffi- cient right-of-way to widen Tassajaxa Road to six lanes between Dublin Boulevard and the Contra Costa County line and monitor traffic conditions and implement widening pro- jects as required to maintain LOS D operations on Tassajara Road. ;All projects in the RPA shall contribute a propor- tionate share of the improvement costs. DEIR pages 3.3-28 (as re~ised), 5.0-4 and -5; RC #5-2, 7-13, 8-2 .' Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Finding. Allowing for the widening of Tassajara Road to six lanes, if needed, will allow the city to maintain an acceptable LOS D. Development in the Project area will be required to contribute its fair share of the improvements so that when such improvements are needed, they will be provided by new development generating the need. i 114\eastdub\f~nd(4) 10 ?: .-- -'. :IKPAC~ 3.3/0. Transit service BxtensiollS. The Project would introduce significant development in an area not currently served by public transit, creating the need for substantial expansion of existing transit systems. DEIR page 3. 3-28. Mitiaation Measure 3.3/15.0. Specific Plan Policy 5-10* requires the city of Dublin to coordinate with LAVTA to provide transit service within one quarter mile of 95% of the population, in accordance with LAVTA service standards. (*Specific Plan provisions adopted throughout RPA.} DEIR page 3~j3-28. Mitiaation Measure 3.3/15.1. specific Plan POlicy 5-11* requiras the City of Dublin to coordinate with LAVTA to provide at least one bus every 30 minutes during peak hours, to 90% ..of employment centers with 100 or more employees, in accordance with LAVTA service standards. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.3-28. Mitiaation Measure 3.3/15.2. All projects in the RPA shall contribute a proportionate share to the capital and operation costs of transit service extensions. DEIR page 3.3-28. Mitiaation Measure 3.3/15.3. The City shall coordinate with BART and LAVTA to provide feeder service to the planned BART stations. Until the BART extension is completed. (projected for 1995), the city shall coordinate with BART to ensure that BART express bus service is available to eastern Dublin resid~ts. DEIR page 3.3-28. Findind. Changes or alterations have been required in, or incorporated into the Project. Some of the transit service coordination actions are within the responsibility and jurisdiction of Bart and LAVTA agencies and not the City of Dublin. Such actions can and should be taken by those agencies. If taken, such actions would avoid or substantially lessen the significant effect identified in the Final EIR. Ration~le for Findina. The mitiqations provide for expans10n of existing transit systems to meet Project demand, not only on the local level through LAVTA but also on a local and reqional level through BART. 1HPACT 3.3/~. S~.et crossinqs for pedestrians and Bicycles. Pedestrianscand bicycles would cross major streets with high projected traffic volumes, such as Dublin Boulevard, Tassajara Road and Fallon Road, introducing potential safety hazards for pedestrians .and bicyclists. DEIR page 3.3-29. ;1 114\eastduh\find(4) 11 ~. ..-.... Mitiaation Measure 3.3/16.0. specific Plan POlicy 5-15* and specific Plan Figure 5.3* require a class I paved bicycle/pedestrian path along Tassajara Creek and trails along other stream corridors in the Project area. (*specific Plan provisions adopted throughout RPA.) DEIR page 3~3-29. Mitiaation Measure 3.3/16.1. The city shall locate pedestrian and bicycle paths to cross major arterial streets at signalized intersections. DEIR page 3.3-29. Finding. Changes or alterations have been required in, or incorporated into the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Placing a major bicycle/pedestrian path along Tassajara creek and using trails along other stream corridors allows bicycles and pedestrians to avoid traveling on major streets with their high traffic volumes. Where the paths must cross a major arterial street, re- quirinq the crossing at a signalized intersection minimizes path and traffic conflicts by stopping traffic on a regular basis t,o let path travelers cross the street safely. Section 3.4:-- community services and Facilities LMPACT 3.4/A and B. Demand for Xncreased Police Services and police services Accessibility. The Project will increase demand for police services from the Dublin Police Department's admini- strative and sworn staff, and will require reorganization of the police operations to provide new patrol beats in the Project area. The hilly topography of most of the Project site may present some accessibility and crime-prevention problems. DEIR page 3.4-2. Mitiaation Measure 3.4/1.0. Policy 8-4,* the city shall facilities and revise beats and matntain city standards Easter~Dublin. (*Specific throug~out RPA.) DEIR page Pursuant to specific Plan provide additional personnel and as needed in order to establish for police protection service in Plan provisions adopted 3.4-2. Mitiaation Measure 3.4/2.0. Pursuant to specific Plan Action;Program 8D,* the City shall coordinate with the city pOlice;Department regarding the timing of annexation and proposed development, so that the Dep.artment can adequately plan for the necessary expansion of services in the RPA.' (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.4-2 114\eas~ub\find(4) 12 .- ..---- Mitiqation Measure 3.4/3.0. Pursuant to Specific Plan Action Program SE,"* the City shall incorporate into the requirements of project approval Police Department recommen- dations on project design that affect traffic safety and crime prevention. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.4-2. Mitiqation Measure 3.4/4.0. Upon annexation of the RPA, the city o~ Dublin Police Department will be responsible for police::services. The City will prepare a budget strateqy to hire tije required additional personnel and implement a beat system~ DEIR page 3.4-2. Mitigation Measure 3.4/5.0. As part of the development review process for residential and non-residential projects, the Police Department shall review development projects' desiqnand circulation for visibility, security, safety, access;. and emergency response times and any other police issues. DEIR pages 3.4-2 to -3. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. The five mitigations identified will ensure that additional police will be hired and, that other admini~trative measures will be employed to provide adequate protec~ion for Project area residents. Police Department input into design of Project development will insure that police~services are efficiently provided. XHPACT 3.4/0. Demand for Increased Pire Services. Buildout of the project ... will substantially expand the DRFA service area and increase demand for new fire stations and firefighting personnel. This will significantly increase response times and reduce service standards unless new facilities and personnel are added. DEIR page 3.4-5. Mitiaation Measure 3.4/6.0. Pursuant to Specific Plan Policy 8-5,* the City shall time the construction of new facilities to coincide with new service demand in order to avoid periods of reduced service efficiency. The first station will be sited and will begin construction concurrent with initial development in the planning area. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.4-5. MitiaationMeasure 3.4/7.0. Pursuant to specific Plan Action:program 8F,* the city shall' establish appropriate funding mechanisms to cover up-front costs of capital improvements. (*specific Plan provisions adopted throughout RPA.) DEIR page 3.4-5. 114\ea&tdub\~ind(4) 13 .~ . ,..---...~ Mitiaation Measure 3.4/8.0. Pur~uant to Specific Plan Action Program 8G,* the city shall coordinate with DRFA to identify and acquire specific sites for new fire stations; with the westernmost site in the Spe:ific Plan area assured prior to approval of any development plans. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.4-5; RC # ~5-26. I Mitiaation Measure 3.4/9.0. Pursuant to Specific Plan Action Program 8H, * the. City shall incorporate DRFA recommendations on project design relating to access, water pressure, fire safety and prevention into development approvals. Require compliance with. :DRFA design standards such as non-combustible roof materials, minimum fire hydrant flow requirements, buffer zones alon<;J open space areas, fire alarm and sprinkler systems, road ac.::ess, and parking requirements. (*Specific Plan provisions adopted throughout RPA.) ';DEIR pages 3.4-5 to -6. Mitiaation Measure 3.4/10.0. Pursua:nt to Specific Plan Action.. Program 8I, * the city shall e:ilsure, as a requirement of Project approval, that an assessmlent district, homeowners association, or some other mechanism is in place that will provide regular long-term maintenancla of the urbanI open space interface. (*Specific Plan pr,:)visions adopted throughout RPA.) DEIR page 3.4-6. Mitiaation Measure 3.4/11.0. Pursuant to specific Plan Action Program 8J, * the City shall elilsure that fire trails and fire breaks are integrated into '~e open space trail system. And that fire district staruiards for access roads in these areas are met while enviromnental impaCts are minimized. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.4-6. Mitiaation Measure 3.4/~2.0. The Ci1:y of Dublin, in consu1t:ation with DRFA and a qualifi4ad wildlife biologist, shall prepare a wildfire management plan for the RPA to reduce..;open land wildfire risks consistent with habitat protect:ion and other open space valulas. The plan shall specify ownership, maintenance, use, brush control, and fire-resistant landscaping measures, as well as periodic review::of these measures, for RPA oplm lands. Any park districts or other open space agencil:ls with jurisdiction over lands within the RPA shall. be encouraged to participate in the preparation of the plan. DEIR pages 3.4-6 to -7. Mitiaation Measure 3.4/13.0. The Ci1:y shall consult with DRFA to determine the number, locatilmand timing of additional fire stations for areas within the RPA outside 114\ea$tdub\f~(4) 14 .- the specific plan when such areas are proposed for annexation to the city. DEIR page 3.4-7. Findinq. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Actions to determine the number and location of fire stations are within the responsibility and jurisdiction of DRFA and not the City of Dublin. Such actions can and should be taken by DRFA. If taken, such actions can and would avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findinq. New fire facilities will be constructed to meet the needs of Project residents; DRFA input into Project design features will enable additional and ef~icient provision of fire services. The wildfire management plan should further limit the project fire protection impacts by reducing the risk of wildfires. IMPACT 3.4/'0. Fire Response to ou'tlY2.Dg Areas. Based on DRFA' s preliminary:locations for new fire stations, the northern-most portions of the RPA would be outside the District's standard response area. Development in these areas (especially the north end of Tassajara Road) could experience adverse fire hazard exposure and emergency response impacts. DEIR page .3:.. 4-5 . Mitiqation Measures. Mitigation measures 3.4/6..0 to 13.0 as described above. DEIR pages 3.4-5 to -7. Findinq. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Actions to determine the number and location of fire stations are within the responsibility and jurisdiction of DRFA ~d not the City of Dublin. Such actions should be taken by DRFA. If taken, such actions can and would avoid or substantially lessen the significant effect identified in the FiJ!lal EIR. Rationale for Findinq. New fire facilities will be constructed to meet the needs of all project residents, including those in the outer lying areas; DRFA input into project design features will enable additional and efficient provision of fire services. The wildfire management plan should further limit the Project fire protection impacts by reducing the risk of wildfires. IHPACT 3.4/E. Exposure to 'Wildfire Hazards. Settlement of popUlation and construction of new communities in proximity to high fire hazard open space areas with difficult access poses an 114\eas~ub\fiDd(4) 1.5 .'-. ----.. increasing wildfire hazard to people and property if open space areas are not maintained for fire safety. This is also a significant cumulative impact in that incl:'eased development in steep grass and woodlands around the edge:; of the Tri-Valley's core communities may reduce response timel; and strain f ire- fighting resources for regional firefighting services, many of whom participate in mutual aid systems. J>EIR paqes 3.4-5, 5.0"'" 5. Mitiaation Measures 3.4/6.0 to 13.0.. Mitiqation measures 3.4/6.0 to 13.0, as described above. DEIR paqes 3.4-5 to -7, 5.0-5; RC #26-26. Findina. Changes or alterations hav.~ been required in, or incorporated into the Project, that llvoid or substantially lessen the significant effect identij:ied in the Final EIR. Actions to determine the number and :Location of fire stations are within the responsibili1:y and jurisdiction of DRFA agencies and the city of Dublin '. Such actions should be taken by DRFA. If taken, such ac1:ions can and would substantially lessen the significant effect identified in the Final EIR. DEIR pages 3.4-4 to -7. Rationale for Findina. New fire facilities will be cons~cted to meet the needs of all Project residents, including those near open space areal; i DRFA input into project design features will enable ndditionaland efficient provision of fire services. The wildfire management plan should,further limit the project wildfire exposure impacts through fire safety planning and open space management. IMPACT 3.4/F, G. Demand for New C1assroon space; Demand for Junior High Schools. Buildout of the pro:iect will increase the demand for new classroom space and school facilities beyond current available capacity. At the junior high school level, classroom demand may exceed both current clnd planned capacity levels. DEIR page 3.4-11 to -12. Mitigation Measure 3.4/13.0. Pursuant to Specific Plan Policy 8-1,* the City shall reserve Bchool sites within the RPA designated on the Specific Plan Clnd General Plan Amendm~nt Land Use Maps. (*Specific Plan provisions adopted throug~out RPA.) DEIR page 3.4-12. :~ Mi ti<<181Hon Measure 3.4/14.0. The Ci 1:y shall ensure that the two proposed junior high schools are designed to.accommodate the projected number of junior high Bchool students. DEIR page 3.:4-12. Findina. chanqes or alterations havE~ been required in, or incorporated into, the Project that clvoid or substantially 114\eastdub\fiDd(4) 16 .-... lessen the significant effect.identified in the Final EIR. Some actions to determine junior high school siting and design are within the responsibility and jurisdiction of other public agencies and not the city of Dublin. Such actions can and should be taken by such other agencies. If taken, such actions would avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Providing elementary, junior high, and high school sites will accommodate classroom demand generated by Project residents. Mitigation Measures 3.4/17~0 through 3.4/19.0 will ensure sufficient funding for such de.velopment. DlPACT 3.4/J!!.. OVercrowding of Schools. Existing schools may be overcrowded:if insufficient new classroom space is provided for new residential development. DEIR paqe 3.4-12. Mitiaation Measures 3.4/13.0 to 14.0. Mitigation Measures 3.4/13~0 to 14.0, as described above. Mitiaation Measure 3.4/15.0. Pursuant to Specific Plan policy 8-2,* the city shall promote a consolidated develop- ment pattern that supports the logical development of planning area schools, and in consultation with the appro- priate school district(s), ensure that adequate classroom space is available prior to the development of new homes. (*specific Plan provisions adopted throuqhout RPA.) DEIR page 3,4-12. Finding. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen ~.the significant effect identified in the Final EIR. Some actions to site and design schools are within the respon$ibility and jurisdiction of other public agencies and not the City of Dublin. Such actions can and should be taken by such other agencies. If taken, such actions would avoid or substantially lessen the significant effects identified in the Final EIR. Rationale for Finding. Providing ~lementary, junior high, and high school sites will accommodate classroom demand generated by Project residents, while a consolidated development pattern ensures that the classroom space will be available when it is needed. Mitigation Measures 3.4/17.0 throug~ 3.4/19.0 will ensure sufficient funding for such development. .~ rKPACT 3.4/1. Impact on school Financing District Jurisdiction. Development~}of the RPA under existing jurisdictional boundaries would resul~ in the area being served by two different school 114\eaB~ub\ffnd(4) 17 -- ._, districts and would adversely affect finc;~ncinq of schools and provision of educational services. DEIR page 3.4-12. Mitiqation Measures 3.4/16.0. PurStLant to Specific Plan Action. Program 8A, * the City shall work with the school districts to resolve the jurisdictic,nal issue to best serve student needs and minimize the f isca.l burden of the service providers. (*specific Plan provisie,ns adopted throughout RPA.) DEIR pages 3.4-12 to -13. j; Findind. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Some actions to resolve the jurisdictional issue are within the responsibility and jurisdiction of other public agencies and not the city of Dublin. Such actions can and should be taken by such other agencies. If taken, such actions would avoid or Substantially lessen the significant effects identified in the Final EIR. Rationale for Finding. Resolving the school district jurisdiction issue will limit conflicts and ensure that school services are efficiently provided. DlPACT 3.4/ J . Pinancial BUrden on School Districts. The cost of providing new school facilities could adversely impact local school districts by creating an unwieldy financial burden unless. some form of, financinq is identified. DEIR page 3.4-13. Mitiqation Measures 3.4/17.0 to 19.0. Pursuant to Specifi~ Plan policy 8-3* and Action Program 8B, ensure that adequate school facilities are available prior to development in the RPA to:the extent permitted by law, for example, by requiring dedication of school sites and/or payment of developer fees by new development. Pursuant to Specific Plan Action Program. 8C, * the City shall work with school districts to establish appropriate funding mechanisms to fund new school development and encourage school districts to use best efforts to obtain state funding for new con- struction. (*Specific Plan provisions adopted throughout RPA.) DEIR p. 3.4-13; RC #15-31. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen,the significant effect identified in the Final EIR. Some actions to fund new school development are within the responsibility and jurisdiction of other public agencies and not th~ city of Dublin. Such actions can and should be taken by such other agencies. If taKen, such actions would avoid or substantially lessen the significant effects identified in the Final EIR. 114 \eastdub\ find (4) 18 .r--.. -. Rationale for Finding. Through these mitigations, develop- ment creating school facilities demand will have pr~ary responsibility for accommodating that demand, with the school t:districts being provided with back-up financial suppo~ from other sources. XHPACT 3.4/K. Demand ror Park Facilities. Without the addition of new parks and facilities, the increased demand for new park and recreation facilities resulting from buildout of the Project would not be met, resulting in deterioration of the city's park provision standard and of the City's ability to maintain existing services and facilities. This is also a significant cumulative impact. DEIR pages 3.4-16, 5.0-5. Mitiaation Measures 3.4/20.0 to 24.0. General Plan Amendment Guiding Policies A, B, and G and Implementing POlicy D require the City of Dublin to provide and maintain parks and related facilities adequate to ~eet Project and citywi~e needs and in conformance with the city's Park and Recrea~ion Master Plan 1992. I~plementing POlicy K specifically requires dedication and improvements for the 20 parks qesignated in the RPA with collection of in-lieu fees as reqUired by city standards. DEIR pages 3.4-16 to -17, 5.0-5.: Mitiaation Measures 3.4/25.0 to 27.0. Sufficient parkland shall be designated and set aside in the RPA t& satisfy the citY's\Park and Recreation Master Plan 1992 and its park provision and phasing standards. DEIR pages 3.4-17, 5.0-5. Mitiaation Measure 3.4/28. The City shall implement specific Plan Policies 6-1 to -6* to establish large, continuous natural open space areas with convenient access for users, and adequate access for maintenance and manage- ment; to preserve views of designated open space areas; and to establish a mechanism for open space ownership, manage- ment, and maintenance. (*Specific Plan provisions adopted througl:1out RPA.) DEIR page 3.4-18 to -19. Findin~. Changes or alterations have been required in, or incorpQrated into, the Project that avoid or substantially lessen~the significant effect identified in the Final EIR. Ration~le for Findinq. These mitigations provide added new parks and facilities to meet increased demand fro~ Project residents, and require compliance with phasing plans in the Park and Recreation Master Plan 1992, to ensure that new parks and facilities construction will keep pace with new residential construction. 114\eastdub\fiDd(4) 19 - -. DIPACT 3.4/L. park Facilities Fiscal xmplLct. Acquisition and improvement of new park and recreation fac:ili ties may place a financial strain on existing city of Dublin revenue sources unless adequate financing and implementation mechanisms are designed. DEIR page 3.4-~8. Mitiaation Measures 3.4/20.0 to 31.0. Pursuant to Specific Plan Policy 4-29* and Action Program 4N, * the city shall ensure that development provides its fair share of planned open space; for example, through in-lieu fees under the city's .,parkland dedication ordinance. Pursuant to Specific Plan Program 4M, * the City shall deVE!lop a Parks Imple- mentation Plan identifying phasing, j:acilities priorities and location, and design and construc~ion responsibilities. (*specific Plan provisions adopted tl~ouqhout RPA.) DEIR page 3~4-18. Findina. Changes or alterations haVE! been required in, or incorporated into, the Project that eLvoid or substantially lessen the significant effect identij'ied in the Final EIR. Rationale for Findina. These mitiga1::ions ensure that needed park facilities will be provided by developers at the time of development, thereby avoiding the use of existing revenue sources to build new parks for Projec:t area residents. XKPACT 3.4/H, N. J:mpact on R8(Jiona1 TraiJ. system. and Xmpact.on open space connections. Without adequate provisions for trail easements arid without adequate design and implementation, urban development. along stream corridors and ridgelands would obstruct formation of a regional trail system and en interconnected open space system. DEIR page 3.4-~8 to -19. Mitiaation :Measure 3.4/32.0. Pursuarlt to General Plan Amendment Guiding PolicyH, * establis:h a trail system with regional and subregional connections, including a trail along the Tassajara creek corridor. (*Specific Plan provisions adopted throughout .RPA.) DEIR page 3.4-19. Mitiaation :Measures 3.4/23.0 and 33.(1 to 36.0. Pursuant to General Plan Amendment Guiding Polic~' I, Implementation Policy D, Specific Plan Policies 6-~,* 6-3,* Action Program 40,* and consistent with the city's Parks and Recreation Master Plan ~992, use natural stream corridors and Eajor ridgelines as the basis for a trail s:ystem with a conti- nuous, :'integrated open space network, emphasizing convenient user access, pedestrian and bicycle c:onnections between developed and open space areas, and cleveloper dedication of ridget9P and stream corridor public e.ccess easements. (*specific Plan provisions adopted tl~oughout RPA.) DEIR pages ~.4-~7, -~9. 114\east4ub\f~d(4) 20 -. (- .~ Findincr. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findinq. Establishing a Project area trail system incorporating planned regional connections contri- butes to development of a regional trail system and allows the trail planning to be considered and incorporated into individual Project area developments in the RPA. By. requir~ng that open space and trail planning be based on contin~ous physical features such as stream corridors and ridgel~nes, and that public access be provided along these featur~s, these mitigations avoid a disconnected open space system .. DlPAc-r 3.410, P. Xncrease4 Solid Wast.e Produc'tion and Xmpact. on Solid .ast.e Disposal Facilities. Increased popUlation and commercial land use will cause a proportional increase in the total projected amount of solid waste and household hazardous waste gen~rated by the city of Dublin. This increase creates the need for additional capacity, personnel, and vehicles to dispose of the wastes. . It can create public health risks from improper handling. The increased solid waste and household hazardous waste generated by the Project may accelerate the closing schedule for Altamont landfill unless additional capacity is developed or alternate disposal sites are identified. This impact on the Altamont landfill is also a potentially significant cumulative impact. DEIR pages 3.4-21 to -22, 5.0-6. MiticrationMeasures 3.4/37.0 to 40.0. Pursuant to Specific Plan Action Program SK* and other EIR mitigations, adopt a Solid Waste Management Plan for the RPA, including waste reduct~on programs such as composting and curbside and other collection of recyclables. Include goals, objectives, and programs necessary to .integrate with the diversion targets of the City'S Source Reduction and Recycling Element and Household Hazardous Waste Element. New development in the RPA shall demonstrate adequate available landfill capacity for anticipated wastes. (*specific Plan provisions adopted throughout RPA.) DEIR pages 3-4.22 to -23, 5.0-6. Findincr. Changes or alterations have been required in, or incorporated into, the project that avoid or substantially lessen.the significant effect identified in the Final EIR. Rationale for Findina. These mitigations minimize the amount~of solid waste production and related needs and risks through compliance with AB 939 solid waste planning. Reducing the amount of Project-generated waste will also avoid a.n accelerated closing schedule for the Altamont landfill. In addition, these mitigations require that new 114\eastdub\fiAd(4) 21 :.1 ,,--.. . '-. ;., ~ develol?ment anticipate and provide fc>r adequate waste dispoS~1 before the development is al>proved. DlPAC'l' 3.4/0. De1Ilancl ror utility Extensiclns. Development of the Project site will significantly increase demand for gas, electric and telephone services. Meeting this demcLnd will require construction of a new Project-wide distrit~tion system. This is a significant growth-inducing impact. DEJ:R pages 3.4-24, 5.0-14 to -15. Mitiaation Measures. None proposed. DEIR page 3.4-2.4. Findina. No changes or alterations clre available to avoid or substantially lessen this impact. Therefore, a statement of overriding considerations must be adopted upon approval of the :.project. iMPACT 3.4/R. utility Extension Visual aI~ Biological Xmpacts. Expansion o~ electrical, gas, and telephone lines could adversely affect visual and biological resources if not appropriately sited. DEI*- page 3.4-24. Mitiaation Measures 3.4/41.0 to 44.0. Pursuant to Specific Plan Action Program 8L* and other idEtntified mitigation measures, development within the RPA must document the availabili ty of electr ic, gas, and te:lephone service and must place utilities below grade or, preferably, underground and routed away from sensitive habita.t and open space lands. A development project service report shall be ..reviewed by the city prior to improvement plan a~proval. C*Specific Plan provisions adopted throughout RI~.) DEIR page 3.4-24 to -25. . Findind. Changes or alterations have: been required in, or incorporated into, the Project that a.void or substantially lessen ;the significant effect identif.ied in the Final EIR. Rationale for Findina. Undergrounding utilities will avoid visual ;;effects by placing the utilit}" extensions where they cannot~be seen. Routing the utility extensions away from sensitive habitat and open space area.s will avoid impacts on biological resources by avoiding the resources themselves. IMPACT 3.4/8. consumption of Non-Renewable Natural Resources. Natural gas and electrical service would increase consumption of non-renewable natural resources. DEIR pa9~ 3.4-25. Mitiaation Measures 3.4/45.0 to 46.0. Major developers in the Project area shall provide demons,tration proj ects on cost-effective energy conservation tE:chniques including but not limited to solar water and space heating, landscaping 114\eastdub\~iDd(4) 22 .--, for water conservation, and shading. All development projects in the RPA shall prepare an energy conservation plan as part of their proposals. The plan shall demonstrate how site planning, building design, and landscaping will conserve use of energy during construction and long term operation. DEIR page 3.4-25. Findina. Changes or alterations have been required in, or incorporated into the. Project. However, even with these changes, the impact will not be avoided or substantially lessened. Therefore, a statement of Overriding considera- tions must be adopted upon approval of the Project. Rationale for Findinq. Through the demonstration projects, developers can educate themselves and Project residents about available and feasible techniques to reduce consumption of energy resources. Requiring energy conservation plans forces both developers and the city to actively consider various techniques to reduce energy consumption and to build those techniques directly into the Project. These actions cannot, however, fully mitigate the impact. XMPACT 3.4/~. Demand for xncreased Pos~l Service. The project will increase the demand for postal service. DEIR page 3.4-26. Mitiqation Measures 3.4/47.0 to 48.0. Pursuant to specific Plan Policy 8-10 and Action ProqralD 8M, the city shall encourage the U.S.P.S. to locate a new post office in the Eastern Dublin town center. DEIR page 3.4-26;. RC # 15-37. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Actions to site a new post office within the town center are within the ultimate responsibility and jurisdiction of the USPS and not the City of Dublin. Such actions can and should be taken by the USPS. If taken, such actions would avoid or SUbstantially lessen the significant effect identified in the Final EIR. Rationale for Findina. A post office conveniently located in the to~ center area will provide postal service to meet the Project generated demand. XKPACT 3.4/U. Demand for Xnereased Library Service. without additional ~ibrary facilities and staff, the increase in population ~esulting from the Project would adversely affect existing library services and facilities DEIR page 3.4-27. 114\eas~dub\fiDd(4) 23 .---.. .- .-....~. Mitiaation Measures 3.4/49.0 to 51.0. Pursuant to Specific Plan Policy 8-11* and Action Program 8N* and other identi- fied mitigation measures, the city shall encourage and assist the Alameda County Library System to provide adequate library service in eastern Dublin, considering such factors as location, phasing, and funding of needed library services. (*Specific Plan provisions adopted throughout RPA.) DEIR pages 3.4-27 to -28; RC #15-38. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen.the significant effect identified in the Final EIR. Action$ to provide library facilities are within the ultimate responsibility and jurisdiction of the Alameda County:Library system and not the city of Dublin. Such actionS can and should be taken by the Alameda County LibrarY System. If taken, such actions would avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Providing library services to the RPA will meet Project generated demand. Planning how and when to provide those services will ensure that they are efficient and convenient to the maximum number of users. Section 3.5 -- Sewer. Water. and storm Drainaae DlPACT 3.5/A. Xndirect Xl1lpacts ReSUlting fro. the Lack of a Wastewater service Provider. Although Specific Plan POlicy 9-4 (page 127) calls for the expansion of DSRSD's service boundaries to include the Specific Plan area, the Project does not provide for wastewater service to areas in the RPA outside the specific plan area. iThis could result in uncoordinated efforts by future developers in this area to secure wastewater services. DEIR page 3.5-5, RC #~32-18. Mitiaation Measure 3.5/1.0a. Pursuant to Specific Plan Policy':9-4,* the City shall coordinate with DSRSD to expand its service boundaries to encompass toe entire RPA. C*Specific Plan provisions adopted throughout RPA.) RC # 32-18. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Actions to expand DSRSD's service boundaries are within the ultimate responsibility and jurisdiction of the DSRSD and not the City of Dublin. Such actions can and should be taken by the DSRSD. If taken, such actions would avoid or substa~tially lessen the significant effect identified in the Fir;ial EIR.. 114\eas~dub\~iDd(4) 24 --- -. Rational for Findina. Expanding DSRSD's service boundaries to include the entire RPA will ensure that securing wastewater services will be coordinated through one agency. IMPACT 3.5/B. Lack of a Wastewater Co~~ection systea. Estimated wastewater flow for the RPA is 4.6 MGD; however, there currently is no wastewater collection system adequate to serve the Project area. DEIR page 3.5-5. Mitiaation Measures 3.5/1.0 to 5.0. Pursuant to Specific Plan Action Proqrams 9P,* 9I,* 90,* 9M,* and 9N,* all development in the RPA shall be connected to public sewers and shall obtain a "will-serve" letter prior to grading permits; on-site package plants and septic systems shall be discouraged. The city shall request that DSRSD update its collection system master plan to reflect Project area proposed land uses, with the cost of the plan to be borne by future development in the RPA. All wastewater systems shall be designed and built in accordance with DSRSD standards. C*Specific Plan provisions adopted throughout RPA.) DEIR page 3~:5-6; RC # 32-19, 32-20. . Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen. the significant effect identified in the. Final EIR. Rationale for Findina. These mitigations will provide a wastewater collection system adequate to meet Project generated demand, and will ensure the system m~ets design and construction standards of DSRSD. IMPACT 3.5/C. Extension of a Sewer Trunk Line with capacity to Serve New Developaents. Construction of a wastewater collection system could result in development outside the RPA that would connect to the Project's collection system. This is also a potentially significant growth-inducing impact. DEIR pages 3.5- 6, 5.0-15. Mitiaation Measure 3.5/6.0. The proposed wastewater system shall be sized only for the RPA area. DEIR pages 3.5-6, 4- 11, 5.0-15. Findinq. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen:the significant effect identified in the Final EIR. Rationale for Findina. By sizing the planned wastewater collection system only to serve the RPA, growth inducing impacts on lands outside that area are avoided. 114\eastdub\fiDd(4) 25 --- .. --.... DlPACT 3. SID. Allocation of DSRSD Treatml,nt and Disposal capacity. There is limited available capi!lcity at the DSRSD Treatment Plant, limiting the number of St:lwer permits available for new developments. It is very unlikel:, that any of the presently remaininq DUE's will be availab:Le for the Eastern Dublin Area. DEIR.page 3.5-7; RC #32-21. Mitiaation Measure 3.5/7.0.. Pursuani: to specific Plan Action Program 9L, * development projl!ct applicants in the RPA shall prepare. a desiqn level watl!r capacity investi- gation, includinq means to minimize anticipated wastewater flows and reflecting development pha:;ed according to sewer permit allocation. (*Specific Plan provisions adopted throughout RPA.) OEIR page 3.5-7. Hitiaation Measure 3.5/7.1. OevelopJ~ent project applicants in the.RPA shall obtain a wastewater nwill~serve" letter from OSRSD before receiving a gradinq permit. RC #32-22. Findind. Changes or alterations havH been required in, or incorpc;lrated into, the Project that avoid or SUbstantially lessen i:the significant effect identij:ied in the Final EIR. Rationale for Findina. The required =.nvestigation will allow development to be phased to ensure there are adequate wastewater facilities available to mE~et Project. generated demand. The requirement of a "will-!;erve" letter will insure that adequate wastewater faci:.ities will. exist for all new development. If capacity is not available, OSRSD will not issue a will-serve letter. HC #32-22.. :IMPACT 3.5/E. Future Lack of Wastewater 'J~reat:ment Plant capacity. Development of the Project require an increase in wastewater treatment plant capacity within DSRSD to adequately treat the additional wastewater flows to Dleet discharge standards. This is also a potentially si~mificant cumulative impact in that increased demand on area wCLstewater treatment facilities exceeds current remaining capac:ity. OEIR page 3.5-7 to -a, 5.0-6. Hi tiaation Measures 3. 517 . 1. 8. o. 9. q. Pursuant to Specific Plan Policy 9-6* and mitiqations ider~ified in the EIR, ensure:'that wastewater treatment and disposal facilities are available for future development in tlle RPA through compliance with "OSRSO's master plan t~o fund, desiqn, and construct wastewater treatment plant expansion once export capacity is available (unle~s TWA ap~lroves export of raw wastewater, in which case DSRSD's wa$tewater treatment plant expansion will not be necessary). AJ.so, development project applicants in the RPA shall obtain a wastewater "will-serve" letter from DSRSD before receiving a grading permit. 114\eastdub\fiDd(4) 26 ---. ..-........ C*Specific Plan prov1s1ons adopted throughout RPA.) DErR pages 3.5-7 to -8, 5.0-6; RC #32-23. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. compliance with DSRSD's master plan will ensure that adequate wastewater treatment plant capacity will be available in the future to serve Project generated demand once export capacity of treated wastewater is provided.(see Mitigation Measure 3.5/11~O). Alternative- ly, expanded treatment capacity will not be necessary if export.. of raw wastewater is approved. The requirement of a "will-serve" letter will insure that adequate wastewater facilities will exist for all new development. If capacity is not available, DSRSD will not issue a will-serve letter. RC #32':"22. :IMPACT 3. S/F. :Increase in BDergy Usage Through :Increased Wastewater Treatment. Development of the Project will result in increased wastewater flows and will require increased energy use for treatment of wastewater. DEIR page 3.5-8; RC #32-24. Mitiaation Measure 3.5/10.0. Include energy efficient treatment systems in any wastewater treatment plant expansion and operate the plant to take advantage of off- peak energy. DEIR page 3.5-8; RC #32-24. Findina. Such actions are within the responsibility and jurisdiction of other public agencies and not the City of Dublin.; Such actions can and should be taken by other agenci~s. However, even if such actions are taken, this impact:'will not be avoided or substantially lessened. TherefOre, a statement of Overriding considerations must be adopted upon approval of the Project. Rationale for Findina. Use of energy efficient treatment systems and plant operations will reduce the amount of enerqy;use but these actions cannot fully mitigate the impact. ZMPACT 3.S/G. Lack of Wastewater current Disposal capacity. The increase in wastewater flows from the Project and other sub- regional development will exceed available wastewater disposal capacity until additional export capacity is developed. This is also a significant cumulative impact. DEIR page 3.5-8, 5.0-6. Mitiaation Measures 3.5/7.~. ~~ to 14.0. Pursuant to Specif~c Plan Policy 9-5* and Action Programs 9H,* 9J,* and 9K,* the City shall support current efforts to develop 114\eaB~dUb\fiDd(4) 27 .,.-... ...-.... additiona~ export capacity. The Cit~. sha~l require use of recycled water for landscape irrigation in accordance with DSRSD's Recycled Water pOlicy and re~~ire development within the RPA to fund a recycled water dist:ribution system model to reflect proposed land uses. Also, development project applicants in the RPA shall obtain a wastewater "will-serve" letter from DSRSD before receiving a grading permit. (*Spec~fic Plan provisions adopted ttxoughout RPA.) DEIR page 3~5-9, 5.0-6 to -7, RC #32-22, 32-25, 32-26, 32-27. 1 Finding. Changes or alterations haVE, been required in, or incorporated into, the Project that avoid or substantially lessen 'the significant effect identified in the Final EIR. Actions to develop additional export capacity are within the. responsibility and jurisdiction of other public agencies, and not the city of Dublin. Such actions can and should take by such agencies. If taken, such actions would avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. These mitigations will provide the additional wastewater disposal capacity necessary to meet Project generated demand. The requirement of a "will-serve" letter will insure that adequate wastewater facilities will exist for all new development. If capacity is not avail- able, DSRSD will not issue a will-serve letter...RC #32-22. XHPACT 3.5/.. Zncrease in Energy Usage Tbrough Xncreased Wastewater Disposa~. Development of the Project wil~ result in increased wastewater flows and will require increased energy use for disposal of wastewater; more specifically, for (1) pumping raw wastewater to CCCSD for treatment under the TWA proposed project; and/or (2) operation of an advanced treatment and distribution system for recycled water. DEIR page 3-5.9. Mitigation Measures 3.5/15.0 to 16.0. The City shall encourage off peak pumping to the proposed TWA export system. The City shall plan, design, and construct the Project recycled water treatment system for energy efficient operation including use of energy efficient treatment systems, optimal use of storage facilities, and pumping at off peak hours. DEIR pages 3.5-10 to -11. Findina. Such actions are within the responsibility and juriSdiction of other public agencies and not the City of Dublin. Such actions can and should be taken by other agencies. However, even if such actions are taken, this impact;will not be avoided or substantially lessened. Therefore, a Statement of Overriding Considerations must be adopted upon approval of the Project. 114\eastdub\f~(4) 28 r---. ~ Ration~le for Findina. The proposed mitigations will reduce the amount of energy used for wastewater disposal but these action~ cannot fully mitigate the impact. IMPACT 3.5/7. Potential Failure of Export Disposal system. A failure in the operation of the proposed TWA wastewater pump stations would adversely affect the overall operation of the wastewater collection system for the Tri-Valley subregion, as well as the Eastern Dublin project. DEIR page 3.5-10. Mitiaation Measure 3.5/17.0. Engineering redundancy will be built into the TWA pump stations, which will also have provisions for emergency power generators. DEIR page 3.5-10. Findina. Such actions are within the responsibility and jurisdiction of other public agencies and not the city of Dublin~' Such actions can and should be taken by other agencie.s. If taken, such actions would avoid or sub- stantially lessen the significant effect identified in the Final EIR. Rationche for Findina. Engineering redundancy will minimize the risk of pump station system failure; providing emergency power generators will ensure that any system failure which does occur will be short lived, thereby avoiding the effects of such failure. RC #32-28. IMPACT 3.5/J. Puap station Noise and Odors. The proposed TWA wastewater pump stations could generate noise during their operation and could potentially produce odors. DEIR page 3.5-10. Mitiaation Measure 3.5/18.0. TWA's pumps and motors will be designed to comply with local noise standards and will be provid$d with odor control equipment. DEIR page. 3.5-10. to Findinq. Such actions are within the responsibility.and jurisd~ction of other public agencies and not the City of Dublin~i SUch actions can and should be taken by other agencies. If taken, such actions would avoid or sub- stantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Requiring compliance with local noise standards will ensure that any noise produced not exceed acceptable levels. Odor control equipment will ensure that odor production effects are avoided. RC #32-28. 7KPACT 3.5/E. storage Basin Odors and Potential Failure. The proposed TWA Emergency Wastewater Storage Basins could poten- tially emit odors and/or the basins could have structural failure 114\eastdub\f~d(4) 29 ,"-- ----. due to landslides, earthquakes, or undermi:~ing of the reservoir from inadequate drainage. DEIR page 3. 5-1'J. Mitiaation Measure 3.5/19.0. TWA1s ba.sins will be covered, buried .tanks with odor control equipmant and will be designed to meet current seismic code:s. DEIR page 3.5-11. Finding. Such actions are within the responsibility and jurisdiction of other public agencies and not the city of Dublin~ Such actions can and should :t:>e taken by other agencies. If taken, such actions would avoid or substantially lessen the significant ,~ffect identified in the Final EIR. Rationale for Findina. These mitigations ensure that any odors related to the TWA basins are cl:)ntained and controlled within the basins so as not to be det,actable beyond the basins. Compliance with seismic code:; will ensure that the basins are properly constructed to wi'thstand landslides and earthquakes and are provided with adel:;{Uate drainage to avoid structural failure. RC #32-28. IMPACT 3.5/L. Recycled Water system Operation. The proposed recycled water system must be constructed and operated properly in order to ,iprevent any potential contamination or cross- connection with potable water supply systems. DEIRpage 3.5-11- Mitigation Measure 3.5/20.0. Construction of the recycled water distribution system will meet all applicable standards of the Department of Health Services (DBS) and.sanFrancisco Bay Re<jional Water Quality control Board (RWQCB). DEIR page 3.5-11.. Findinq. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Applicable regulations of the DHS and RWQCB are designed to prevent cross-connection contamina- tion; compliance with these regulations will therefore avoid the contamination impact. IMPACT 3.5/K.. Recycled Water storage Failure. Loss of recycled water storage through structural damage from landslide, earth- quake, and undermining of the reservoir through inadequate drainage. DEIR page 3.5-11. Mitiaation Measure 3.5/21.0. The City shall require reservoir construction to meet all applicable DSRSD and other health standards and shall require preparation of soils and geotechnical investigations to determine potential 114 \eastdub \fiDd (4) 30 .-.. . ..-.., landsli.de and earthquake impacts. Reservoirs shall be designed to meet current seismic codes and to provide adequate site drainage. DEIR page 3.5-11. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Soils and geotechnical studies will ensure that reservoirs will be designed and constructed to comply with current seismic, DSRSD, and other applicable health standards, the purpose of which is .to avoid structural failure. XMPACT 3. SIB. Loss of Recycled Water system. Pressure. Loss of pressure in:the proposed recycled water distribution systems could result in the system being unable to meet peak irrigation demand, which could result in loss of vegetation through lack of irrigation water. DEIR page 3.5-12; RC #32-30. Mitiaation Measure 3.5/22.0. The recycled water pump stations shall meet all applicable DSRSD standards. DEIR page 3.5-12; RC #32-31. FindinCl. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the si~ificant effect identified in the Final EIR. Rationale for Findina. Compliance with DSRSD standards will minimize the risk of pressure being lost. IMPACT 3.5/0. secondary xapacts from Recycled Water.yatem Operation. Failure to identify and implement treatment plant improvements related to recycled water use may increase salinity in the qroundwater basin. DEIR page 3.5-12. Mitiaation Measures 3.5/20.0. Recycled water projects shall incorporate salt mitigation required by Zone 7. DEIR paqe 3.5-12f. {, Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Compliance with salt mitiqation requirements will reduce the salinity of the recycled water, thereby avoiding the risk of increased salinity in the groundwater basin. XMPACT 3.5/P. OVerdraft of Local Groundwater Resources. If the Project area is not annexed to DSRSD and development projects are 114\eas~ub\fihd(4) 31 - ~ not required to connect to OSRSO's water distribution system, development projects may attempt to drill their own wells, causing overdraft of' existing limited groundwater supplies. OEIR page 3.5-17. Mitiaation Measures 3.5/24.0 to 25.0. Pursuant to specific Plan Policy 9-2* and other EIR mitigcltions, the City shall coordinate with DSRSD to expand its flervice boundaries to include the Project area and to develop annexation conditions encouraging water conservntion and recycling. The city shall encourage all developnents in the RPA to connect to OSRSD' s system and discow~age the use of groundwater wells. C*Specific Plan provisions adopted throughout RPA.) DEIR page 3.5-17; He '14-4. Findinq. Changes or alterations hav.! been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identij:ied in the Final EIR. Actions to expand OSRSO's service boundaries are within the responsibility and jurisdiction of the DSRSO and not the city of Dublin. Such actions can and should be taken by the OSRSO. If taken, such actions would avoid or substantially lessen.the significant effect identi:Eied in the Final EIR. Rationale for Findinq. Annexation t.) DSRSD and connection to its:-water distribution system will eliminate-: the need for development projects to drill their l)Wn wells and will therefore avoid the risk of groundwa't:er overdrafting. IHPACT 3.5/2. Increase in Demand for Wat,er. Estimated average daily water:demand for the RPA is 6.4 MGD, which demand could exceed available supply. This is also a :potentially significant cumulative impact in that ongoing urban d.evelopment in the Tri- Valley is reSUlting in a cumulative increase in water demand at a time when water supplies and delivery are uncertain. DEIR page 3.5-18, 5.0-7 to -8. Mitiqation Measures 3.5/26.0 to 31.0. Pursuant to specific Plan Action Programs 9A* and 9B,* the city shall require development projects in the RPA to include water conserva- tion measures wi thin structures as well as in public and other improvements. Require developments to comply with OSRSD and Zone 7 recommendations for developing and using recycled water. Pursuant to other EIR mitigations, implement Zone 7 and OSRSD water supply and water quality improvements and interconnect Project area water systems with existing surrounding water systems for increased reliability. c*specific Plan provisions adopted throughout RPA.)EDEIR pages 3.5-18 to -19; 5.0-9; RC #13-9, 32-43. 114\eastdub\fiDd(4) 32 .--- .-. Findina. Changes or alterations have been required in, or incorporated into, the project that avoid or substantially lessen.the significant effect identified in the Final EIR. Some actions to improve water supply and quality are within the res,ponsibility and jurisdiction of other public agencies and not the city of Dublin. Such actions should be taken by such other agencies. If taken, such actions can and would avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Through required water conservation and water recycling mitigations, the Project reduces the magnitude of the impact by reducing the demand for water using recycled water for irrigation reduces the estimated average daily water demand in the RPA to 5.5 MGD. (RC #32.52.) The remaining water quality and water supply mitigations will result in an increased water availability from Zone 7 and DSRSD to meet Project generated demand. DlPACT 3.5/R. Additional 'lreabnent Pl.ant Capacity. The increase in water demand through development of the Project will require an expansion of existing water treatment facilities in order to deliver safe and potable water. DEIR page 3.5-19. Mitiaation Measures 3.5/32.0 to 33.0. Implement Zone 7's planned water treatment system improvements. DSRSD shouId constrUct two new chlorination/fluoridation stations at the two proposed Zone 7 turnouts to eastern Dublin, with the constrUction phased west to east as anticipated in the General Plan Amendment. DEIR page 3.5-19. Findina. Such actions are within the responsibility and jurisdiction of other public agencies and not the City of Dublin~ Such actions can and should be taken by other agencies. If taken, such actions would avoid or sub- stantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Proposed water treatment system improvements will insure that project water supply meets all apPlic~ble water quality requirements. DlPACT 3.5/8. Lack of a Water Distribution system. .There currently i$. no water distribution system to provide water service forj.the RPA. DEIR page 3.5-20. ~ Mitigation Measures 3.5/34.0 to 38.0. Pursuant to specific Plan Policy 9-1* and Action Programs 9C,* 9D,* 9E,* and 9G,* the city shall provide an adequate water supply system with related improvements and storage facilities for all develop- ment, in compliance with applicable DSRSD standards. The 114\eastdub\fiad(4) 33 .--. . ..-.. city shall request that DSRSD update its water system masterPlan to reflect the proposed lClnd uses, and require a "will-Sierve" letter from DSRSD prior to grading permits for any Project area development. The C:Lty shall encourage the proposE!d water system to coordinate Clnd combine with existing neighboring water systems. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.5-20. Findina. Changes or alterations havE~ been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identi:l:ied in the Final EIR. Rationale for Findina. These mitiga1:ions will provide a water distribution system adequate to meet Project-generated demand, and will insure the system mE~ets design and construction standards of DSRSD. :IHPACT 3.5/T. Inducement of Substantial orowth and Concentration of population. The proposed water distril)ution system will induce grow~ in the Project area and has been sized to poten- tially acco~odate the Dougherty Valley DE~velopment to the north. However, if j~DSRSD does not provide water 1:0 the Dougherty Valley Developmentj' the pipes will be sized to only accommodate the RPA. The impact is also a potentially significant growth-inducing impact. DEIR page :~.5-20, 5.0-15, RC #32--41, 32-55. Findina. No feasible mitigation mea~;ures are identified to reduce this impact. Therefore, a statement of Overriding Considerations must be adopted upon approval of the Project. :IHPACT 3.5/U. Increase in Energy Usage Tl~ough Operation of the Water Distribution System. Development 0:1: the Project will result in increased water demand and will require increased energy use to operate a water distribution system, especially for pumpingwat~ to tht~ system and to storagE~. DEIR page 3.5-21. Mitiaa~ion Measure 3.5/40. Plan, denign, and construct the water distribution system for energy efficient operation. Design ;'pump stations to take advantaqe of off-peak energy. DEIR p~ge 3.5-21. Findind. Changes or alterations havo been required in, or incorp~rated into the Project. Howev'er, even with these changes, the impact will not be avoided or SUbstantially lessened. Therefore, a statement of Overriding Considera- tions must be adopted upon approval of the Project. Rationale for Findina. Use of energy efficient water distribution systems and operations .,ill reduce the amount of energy used, but these actions cannot fully mitigate the impact. 114\eastdub\fiDd(4) 34 .- ,...-..... IKPA~ 3.5/V. potential Water storage Reservoir Failure. Loss of storage in proposed water distribution reservoirs from landslides, earthquakes, and/or undermining of the reservoir through inadequate drainage would adversely affect the ability of the water sqpply system to maintain water pressures and to meet fire flows. DEIR page 3~5-21. Mitiaation Measure 3.5/41.0. Require water reservoir construction to meet all applicable DSRSD standards. Prepare soils and geotechnical investigations to determine potential landslide and earthquake impacts. Design the reservQirs to meet current seismic codes, and to provide adequate site drainage. DEIR page 3.5-21. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen thesiqnificant effect identified in the Final EIR. Rationale for Findina. Soils and geotechnical studies will insure that reservoirs will be designed and constructed to comply.with current seismic, DSRSD, and site drainage standards, thereby avoiding the risk of structural damage or failure. IMPACT 3.5/.. Potential Loss of system Pressure. Loss of pressure in. the proposed water distribution systems could result in contamination of the distribution system and would not allow adequate fl~ws and pressures essential for fire flow. DEIR page 3.5-22 . ~} Mitiaation Measure 3.5/42.0. The proposed water pump stations shall meet all applicable standards of DSRSD and shall include emergency power generation baCk-Up. DEIR page 3.5-22. Finding. Changes or alterations have been required in, or incorporated into, the project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Compliance with DSRSD standards will minimize the risk of pressure being lost. Providing emergency power generators will insure the pumps. will continue operating, thereby avoiding the risk of contamina- tion i~ the distribution system and insuring that adequate water flows are available for fire protection. IMPACT 3.5/%.. Potential Pump station Noise. Proposed system pump:stations would generate noise during their that could adversely affect the surrounding community. 3.5-22. water operation DEIR page .: ~ 114\eas~ub\fiDd(4) 35 (.! .----- ....--- :! ; ;,' " Mitiaation Measure 3.5/43.0. Design pump stations to reduce sound levels from operating pump motclrs and emergency generators. DEIR page 3.5-22. Findina. Changes or alterations haVE! been required in, or incorporated into, the Project that clvoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Reducing SOUlld levels of the mechanical equipment will reduce the amount of noise perceivable by surrounding residents. thereby avoiding the impact. DlPACT 3.5r~. potential Flooding. Develc)pment of the Project and develop~ent of former agricultural, rural, and open space lands throughout the Tri-Valley will resu:.t in an increase in runoff to creeks and will result in an inc:reased potential for flooding. This is also a potentially si~lificant cumulative impact. DEIR page 3.5-25, 5.0-9. Mitiaation Measure 3.5/44.0 to 48.0. Pursuant to Specific Plan policies 9-7* and 9-8,* Action Programs 9R* and 95,* and other EIR mitigations, require a master drainage plan for each development project in the l~A to provide drainage facilities adequate to prevent increased erosion or flood- ing, including channel improvements uith natural creek: bottoms, and side slopes with natural vegetation,. This design level plan shall include studies of the development project area hydrology, potential impacts of the development proj ect, and proposed design featurel; to minimize runoff .flows and their effects on erosion alld riparian vegetation. Development pr()j ects shall also addr4ass potential downstream flooding, and f;hall include retentioll/detention facilities andlor <:energy dissipators to minimiz4a and control runoff, discharge, and to minimize adverse biological and visual effects. Construct storm drainage facilities in accordance with approved storm drainage master J?lan. (*5pecific Plan provisions adopted throughout RPA.) DEIR 3.5-25 to -26, 5.0-9.;. Findina. Changes or alterations ha~a been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identi:Eied in the Final EIR. Rationale for Findina. Through plan::ling and implementation of storm drainage master plans, development projects will minimize the amount of runoff to creleks and will provide drainage facil:i.ties to control the r,ate and location of runoff that does discharge into cree~s. These measures will minimize the increase in runoff, the:t:'eby avoiding increased flooding potential. 114\eas~dub\find(4) 36 ,-' ...-.... DlPACT 3.5/Z. Reduced Groundwa"ter Recharqe. Increasing the amount of impervious surfaces in the project area could reduce the area's already minimal groundwater recharge capabilities. This is also a potentially significant cumulative impact, as impervious surfaces inerease throughout the Tri-Valley. DEIR page 3.5-26~ 5.0-9 to -10. Miti9ation Measure ~.5/49.0 to 50.0. Pursuant to Specific Plan Policy 9-9* and other EIR mitigations, plan facilities and operations that protect and enhance water quality; support Zone 7's ongoing groundwater recharge program for the nearby Central Basin, which contains the majority of the Tri-valley's groundwater resources. (*Specific Plan provisions adopted throughout RPA.) DEIR page 2.5-26, 5.0-9. FindinCf. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. These mitigation measures protect and enhance what minimal groundwater recharge capability exists'. in the Proj ect area. DlPACT 3.5/AA. Hon-Point sources of Pollution. Development of the project could result in a deterioration of the ~a~ity of stormwater due to an increase in non-point sources of pollution including (1) urban runoff; (2) non-stormwater discharges to storm drains; (3) subsurface drainage; and (4) construction site runoff (erosion and sedimentation). This is also a potentially significant. cumulative impact as other projects in the subregion are developed. DEIR page 3.5-26. MitiCfation Measure 3.5/52.0 to 55.0. The City shall develop a community based education program on non-point sources of pollution, coordinating such programs with current Alameda County programs. The city shall require all development to meet the requirements of the City'S "Best Management Practices", the City'S NPDES permit, and the County's Urban Runoff Clean Water Program to mitigate stormwater pollution. DEIR 3~5-27, 5.0-10, Addendum. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findinq. Education programs will acquaint all Project area residents with the issue of non-point pollution, and will suggest ways residents can avoid such pollution. Existing City, county, and state regulatory programs will insure that potential impacts of non-point 114\eas~ub\find(4) 37 ,- .-. sources of pollution or stormwater q\l.a~ity will be mitigated to a level of insignificance. Section 3.6 -- soils. Geoloqy. and Seismic:itv ZHPAC!r3.6/B. Earthquake Ground Shaking: Primary Effects. Earthquake ground shaking resulting from large earthquakes on active fault zones in the region, could be, strong to violent, and cou~d result in damage to structures and infrastructure and, in extreme cases, loss of life. DEIR page 3.6-7. Mitiaation Measure 3.6/1.0. Use mode,rn seismic design for resistance to lateral force in const%'uction of development projects, and build in accordance wit;h Uniform Building Code and applicable county and city code requirements. DEIR page 3.6-7. Findina. Changes or alterations haVE~ been required in, or incorporated into the Project. However, even with these changes, the impact will not be avoided or substantially lessened. Therefore, a statement of OVerriding Considera- tions must be adopted upon approval elf the Proj ect. Rationale for Findina. Modern seismi.c design and compliance wi th applicable building codes will I'educe the risk of structural failure, major structural damage, and loss of life from the effects of ground-shaki.ng. These actions will not, however, cOEpletely avoid the iD~act. IMPACT 3. 6/C. Earthquake Ground Shaking': Secondary' Bffects. The secondary effects of ground shaking inclucle seismically-induced 1andsliding, differential compaction andJ clr settlement. This is also a significant cumulative impact in tbat further development in the area could expose residents to significant safety hazards and could strain emergency response systen~. DEIR page 3.6-S, 5.0-10. Mi tiaation Measure 3. 6/2 . o. In relat:i vely flat areas, development should be set back from unstable and potentially unstable land or these landforms should be removed, stabilized, or reconstructed. Where improvements are located on unstable land forms, use Dlodern design, appropriate foundation design, and comply with applicable codes and,po~icies. DEIR page 3.6-8, 5.0-10. Hi tiaation Measure 3.6/3.0. In hill=:dde areas, where development may require substantial ~rrading, require appropriate grading and design to cOlllplete1y remove unstable and potentially unstable materials. DEIR page 3.6-S, 5.0-10~ 114\eastdub\find(4) 3S ---. .-- Mitiaation Measures 3.6/4.0 to 5.0. Use engineering techniques and improvements, such as retention structures, surface and subsurface drainage improvements, properly designed keyways, and adequate compaction to improve the stability of fill areas and reduce seismically induced fill settlement. DEIR page 3.6-8, 5.0-10. Mitiaation Measure 3.6/6.0. Design roads, structural foundations, and underground utilities to accommodate estimated settlement without failure, especially across transitions between fills and cuts. Remove or reconstruct potentially unstable stock pond embankments in development areas. DEIR page 3.6-8, 5.0-10. Mitiaation Measure 3.6/7.0. Require all development projects in the Project area to perform design level geotechnical investigations prior to issuing any permits. The investigations should include stability analysis of natural and planned engineered slopes, and a displacement analysis to confirm the effectiveness of mitigation measures propos~d in the investigation. DEIR page 3.6-9, 5.0-10. Mitiaation Measure 3.6/8.0. Earthquake preparedness plans should:be developed by the City and all Project site residents and employees should be informed of appropriate measures to take in the event of an earthquake.' DEIR page 3.6-9, .. 5.0-10. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Mitigations 3.6/2.0 to 6.0 provide specific engineering techniques for reducing the effects of ground shaking throughout development in the Project area. Mitigation 3.6/7.0 requires development projects to apply these and other available engineering techniques at a design level, to identify specifically the effects that can occur on a.p~icular site, to propose mitigations specific to those effects and the site, and to provide a means for evaluating the likely success of those measures. Through these engineering, planning, and design mitigations, development projects will be able to anticipate and avoid or reduce:qround shaking effects before the development is built. DlPACT 3.6/D. substantial Alteration to Project site LandforDlS. Development of the Project area could result in permanent change to the Project siters existing topography, particularly in hillside areas. This is also a significant cumulative impact as the hillsides and ridgelands of surrounding Tri-valley cities are 1 14\eastduh\fiDd (4) 39 ,-. -. graded and excavated for development projE~ctS. DE:IR page 3.6-9, 5.0-10. Mitiqation Measures 3.6/9.0 to 10.0. Adapt improvements to natural landforms in order to minimi<i:e required cuts and fills 't;brough such techniques as conlHtruction of partial pads and use of retaining structures and steeper cut and fill slopes where appropriate and prc~erly designed. Further reduce landform alteration b~' carefully siting individual improvements on specific lots after identifying geotechnically feasible building arecLS and alignments. site improvements to avoid adverse geotect~ical conditions and the need for remedial grading and USE! techniques such as clusterinq where appropriate to minilldze grading and/or avoid adverse geotechnical conditiom.. DEIR page 3.6-9. 5.0-10. Findinq. Changes or alterations haVE! been required in, or incorporated into, the Project that cLvoid or substantially lessen ;.the significant effect identified in the Final EIR. Rationale for l<'indinq. These mitigat~ion measures provide design {iand engineering techniques which maintain natural landfoJhns to the greatest degree pose;ible, and thereby minimize alteration of those landforIlls. The mitiqations also require that geotechnical condit~ions be identified for development projects, allowing individual projects to identify and reduce, or in some casee. completely avoid, the condition which might otherwise require alteration. J:HPACT 3.6/F, G. Groundwater DIlpacts. Gl'oundwater J:mpacts Associated with J:rriqation. Shallow grour~water conditions occur in places throughout the RPA and could be caused by irrigation associated with development of the RPA. ~~ese conditions can adversely affect the performance of foundcLtion and pavements, particularly in areas with expansive soile; and bedrock. In addition, shallow groundwater can cause slope instability, including landsliding and fill settlement, and can lead to liquefaction of RPA soils. DEIR page 3.6-'10. Mitigation Measures 3.6/11.0 to 13.0. Prepare detailed design ~ilevel geotechnical investigations on development project;.s within the RPA, to locate and characterize groundwater conditions and +ormulate design criteria and measures to mi i:igate adverse condi ticlns . Control groundwater by construction of subdrcLin systems, remove stock pond embankments and drain resE!rvoirs in development areas. (See MM 3.6/4, 6, 15, 18, 23, and 27 for additional techniques to c:ontrol soil moisture clnd maintain slope stability. DEJ:R page 3.6-8, -11 thrc1ugh -14.) DEIR page 3.6-10 through -11; RC #15-43. 114\eastdub\find(4) 40 -. .-. Finding. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. The geotechnical investigation will identify areas which have groundwater, and development will proceeq in accordance with measures to protect structures and improvements from slope and soil instability due to shal~ow groundwater. DlPACT 3.6/H. Shrinking and SWelling of Bxp&JlSive Soils and Bedrock. The Project site contains expansive soils and bedrock, which tend to shrink upon drying and swell upon wetting. This process can~cause distress to overlying structures and infra- structure, causing damage to foundations, slabs, and pavements. DEIR page 3.6-11. Mitiaation Measures 3.6/14.0 to 16.0. Prepare design level geotechnical investigations for development projects in the Project area to characterize site-specific soils and bedrock conditions, and to formulate appropriate design criteria and mitigation measures for those conditions. Such responsive measures include, but are not limited to, contrOlling moisture in the soils and bedrock, and designing foundations and pavements to be built either below the zone of seasonal moisture change, or upon structurally supportive floors and after i;emoval of the expansive materials. DEIR page 3.6-11 to -12~ Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen~the significant effect identified in the Final EIR. Rationale for Findina. The design level geotechnical evaluation will identify expansive soils and bedrock and insure that special techniques are used in these areas to reduce the risk of structure and infrastructure damage. DlPACT 3.6/1. Batural Slope Stability. The Project area contains active and dormant landslides, as well as steep slopes and colluvium-filled swales, which are subject to potential slope instability~ and could cause damage to structures and infra- structure located in these areas. DEIR page 3.6-12. Mitiaation Measures 3.6/17.0 to 19.0. Development projects within:the Project area should prepare design level geotechnical investigations to characterize site-specific slope stability conditions and to formulate appropriate design1criteria and mitigation measures in response to those conditions. Such design measures and mitigations include siting!:development away from unstable landforms and from 114\eastdub\find(4) 41 -. -- slopes greater than about 30%, and providing lower density development in steep, unstable areas. Where unstable areas cannot.be avoided, design measures and mitigations include removirlg the unstable Dlaterial, reconstructing or repairing the unstable area, or engineering structural responses, including subsurface drainage improv4~ments. (See also MM 3.6/26.0, recommending maintenance an.d inspection plans for drainage systems. DEIR paqe 3.6-14. > DEIR paqe 3.6-12 to -~3 . Findina. Changes or alterations haVI! been required in, or incorporated into, the project that avoid or substantially lessen. the significant effect identij:ied in the Final EIR. Rationale for Findina. The design ll~vel geoteChnical investigation will disclose areas wh:Lch may be susceptible to slope instability. Special techn:Lques, such as siting of structure and i.mprovements, removing the unstable materials, and providing structural remediation i' will improve slope stability. IMPACT 3.6/j. cut and fiJ.lSlope stabili1:y. Potentially unstable cut and fill slopes may fail or :;ettle, causinq damage to structures and infrastructure. DEIR page 3.6-13. Mi tiqation Measures 3.6 f 2 0 . 0 to 2 ~ . 0" Require:'.qrading plans for hillside areas, which plans miniJ:tl.ize grading and required cuts and fills by adapting l:oads to natural landforms, stepping structures down :lteeper slopes, and demonstrating compliance with applicable building code and other applicable city and County requirements. DEIR page 3.6-13. . Hitiqation Measures 3.6122.0 to 25.0.. Detailed design level geotechnical investigations such as 1:hat required by mitiqation measure 3.6/17.0 should duscribe and evaluate cut and fill slopes proposed for developIllent projects in the RPA. ~etaining structures, reinforcE~ment and drainage measures should be provided on cut slopes as determined by code requirements and the specific conditions identified in the gec:)technical investigation. UnrE~tained cut slopes should generally not exceed 3: 1. Filled slopes steeper than 5:1 should be keyed and benched into competent material and provided with subdrainage prior to placing engineered fill. DEIR pages 3.16-13 to -~4. Mitiaation Measure 3.6/26.0. Development projects in the Project area should prepare plans for the periodic in- spection and maintenance of subsurfa<:e drainage features, and the removal and disposal of materials deposited in surface drains and catch basins. (S4~e also measures 1 14\eastdub \fiDd (4) 42 .r--. .-- described in MM 3.6/28.0.) The plans should include inspection and disposal procedures, schedule and reporting requirements, and a responsible party, and should emphasize overall long-term Project monitoring and maintenance. DEIR page 3...6-14. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Finding. The detailed design level geotechni- cal investigation will identify areas where cut and fill slopes are proposed. Specific grading plans affecting these conditions would be required to show how each development. project will minimize cut and fill slopes, and how the remaining slopes will be stabilized through siting or engi- neering features. Long-term monitoring and maintenance plans will ensure that the design facilities and engineered features effectively protect the cut and fill slopes over the long term. ZKPACT 3.6/E, L. Erosion and Sedimentation: construction-Related and Long-Term. Construction of development projects in the RPA will modify:the ground surface and its protective vegetative cover and will alter surface runoff and infiltration patterns, causing shoJrt-term erosion and sedimentation during.:<construction, and long-term erosion and sedimentation once permanent structures and improvements are in place. The long-term impact is also a significant cumulative impact as similar sites are developed throughout the Tri-valley. DEIR page. 3.6-14, 5.0-11. Mitiaation Measure 3.6/27.0. Time grading activities to avoid the rainy season as much as possible, and implement interim control measures, including but not limited to, providing water bars, mulch and net blankets on exposed slopes, straw bale dikes, temporary culverts and swales, sediment traps, and/or silt fences. DEIR page 3.6-14. Mitiaation Measure 3.6/28.0. Reduce long-term erosion and sedimentation impacts through appropriate design, construc- tion, and c~ntinued maintenance of surface and subsurface drainaeje. Appropriate measures include, but are not limited to, constructing sediment catch basins, adequate storm sewer systems, stabilizing creek banks, revegetating and main"'; taining wooded slopes, constructing facilities to control drainage and runoff, and emphasizing periodic homeowner/ landowner maintenance. (See also MM 3.6/26.) DEIR page 3.6-15, 5.0-1.1.. 11.\eastdub\fiDd(.) 43 - ,--- Findina. Changes or alterations have been required in, or incorporated into, the project that avoid or substantially lessen..the significant effect identified in the Final EIR. Rationale for Findina. These mitigcltions include m.easures to prevent concentration of runoff, control runoff velocity, and trap silts on both a short-term and long-term basis, thereby minim.izing the identified iD~act. section 3.'.-- Bio1o~ical Resources DlPA~ 3.7/A. Direct Habitat Loss. UndE!r Alternative 2, the Project will result in the loss, degradation, or disturbance of 1900 acres of existing vegetation. No urlique or rare plant species occur in the Project area; howevE!r, urbanization will substantially reduce the habitat and range for botanical and wildlife sp$cies which are resident or mi.gratory users of the RPA. The Project contributes to the cum\:llative, ongoing toss of natural habitat in the Tri-Valley region, and is also a potentially significant cumulative impact~. DEIR page 3.7-9, 5.0- 1.1, Addendum. .1 Mitiaation Measures 3.7/1.0 to 3.0. Pursuant to Specific Plan POlicies 6-21* and 6-23,* and }~tion Program 60,* direct ?disturbance of trees or veget:ation should be minimized and restricted to those areas actually designated for construction of improvements. t1evelopment:projects should. include vegetation enhancemer~/management plans for all open space areas identifying ways to enhance the biological potential of the area as wildlife habitat and focusing on such measures as reintrclducing native species to increase vegetative cover and plant diversity. Development projects shall also be required to prepare a detailed revegetation/restoration plan, developed by a qualified revegetation specialist, for all dis~urbed areas that are to remain undeveloped. C*Specific PlaII provisions adopted throughout RPA.) DEIR page 3.7-9, :i. 0-11. Mitigation Measure 3.7/4.0. The cit~ shall develop and implement grazing management plans t:o protect riparian and wetlanq areas, increase plant diversdty, and encourage the recovery of native plants, especialJy perennial grasses. DEIR page 3.7--9, 5.0-1.1. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen.the significant effect identified in the Final EIR. Rationale for Findina. Restricting direct disturbance to actual construction areas will reduc:e the amount of habitat lost. The ve~Jetation and grazing plans will protect and restore disturbed areas to minimize the amount of habitat 11~\eastdub\find(~) 44 .----- -. loss and to enhance the value of the habitat area remaining. DlPACT 3. 7/B. Zn4irec1; :Impacts of vegetation Relllova~. Construction activities on the Project site may cause dust deposition, increased soil erosion and sedimentation, increased potential for slope failures, and alteration of surface and subsurface drainage patterns. DEIR page 3.7-9 to -10. Mitigation Measure 3.7/5.0. Pursuant to specific Plan Policy... 6-22, * all disturbed areas should be revegetated as quickly as possible with native trees, shrubs, herbs, and grasseS, to prevent erosion. The City shall determine specific physical characteristics of proposed revegetation areas to evaluate the long-term feasibility of the proposed mitigation and to identify potential conflicts at the site. Plants used for revegetation will be native to the Tri- Valley Area. (*Specific Plan provisions adopted throughout RPA.)DEIR page 3.7-10; RC # 13-18. Mitigation Measures 3.6/18.0. 22.0. 23.0. and 3.11/1.0. Development should avoid siting on steep slopes and should observe special design and engineering mitigation features where construction occurs on 3:1 or steeper slopes. The city of DUblin shall require dust deposition mitigations during construction, inoluding but not limited to, watering the construction site, daily Clean-up of mud arid dust, replanting and repaving and other measures to reduce wind erosio~. DEIR pages 3.6-12 to -13, 3.7-10, 3.11-3 to -4. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen,ithe significant effect identified in the Final EIR. ~. Rationale for Finding. Requiring construction to avoid siting on steep slopes will protect hillside vegetation and reduce. erosion impacts. Where disturbance is necessary, engineering and other teChniques to reduce erosion and .sedimentation and promote slope stability will also ensure that revegetation efforts to control erosion will be more efficient and successful. ~ACT 3.7/C. Loss or Deqradation of Botanically sensitive Babitat. Direot loss and degradation from grading, road construction, and culvert crossings could adversely affect the Project area's unique and sensitive Northern Riparian Forest, Arroyo Willow Riparian Woodland, and Freshwater Marsh habitats. Indirect ~pacts could result from increased sedimentation or spoil deposition affecting stream flow patterns and damaging young seedlinqs and the. roots of woody plants. This impact is also a pote~tially significant cumulative impact. DEIR page 3.7- 10, 5.0-11. ... 114\eastdub\f~Dd(4) 45 .- ..-. Mitiaation Measures 3.7/6.0. 7.0. and: 11.0. RiDarian and Wetland Areas. Pursuant to specific Plan policies 6-9,* 6-10, * and Action Program 6E, * natura.l riparian and wetland areas shall be preserved wherever pos:sible. All development projects in the RPA shall consult witn the Army corps of Engineers (COE) and the California DE!partlnent of Fish and Game (DFG) to determine these agenciE!s I jurisdiction over the riparian or wetland area. These areas shall be incorporated into project open space areas. Any lost ripari~n habitat shall be replaced as; required by DFG. Any lost we.tlands shall be mitigated per COE's "no net loss" policy... (*Specific Plan provisions c!ldopted throughout RPA.) DEIR pa,.ge 3.7-10, and -11, 5.0-12. Mitiaation Measures 3.7/8.0 to 10.0. 12.0 to 14.0. Pursuant to Specific Plan Policies 6-11 to 6-13,* and Action Programs 6F to 6H,* the city shall require re'~getation of natural stream corridors with native plant species and preservation and maintenance of natural stream corridors in the Project area, through measures including, but: not limited to, avoiding underground drainage systemfl in favor of natural open-stream channels and retention bclsins. The city shall establish a stream corridor system (flee specific Plan Figure 6.1) to provide multi-purpose open space corridors for pedestrian and wildlife circulation. The City should also work with Zone 7 and DFG to develop a stream corridor restora,tion program, with standards j:or grading, stabiliza- tion, imd revegetation, and long-tern managemen~ of RPA stream~channels. Development projec1:s in the RPA are to be reviewed against, and any approval shall be consistent with, the program standards. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.7-10 to -12, 5.0-12; RC #14- 7, 35-25. Mitiaation Measure 3.7/15.0. Pursuallt to specific plan Action Program 6K,* the city of Dublin shall establish and maintain a liaison with state and fecleral resource manage- ment agencies throughout the planninq and development process of individual development prc)jects, in order to avoid violations of state and federal regulations and insure that specific issues and concerns arl! recognized and addressed. (*Specific Plan provisiol'ls adopted throughout RPA.) DEIR paqe 3.7-12, 5.0-12. Miti9a~ion Measures 3.7116.0 to 17.0. Existing sensitive habitats shall be avoided and protec.t:ed where feasible. const~ction near drainages shall ta(e place during the dry season~: DEIR page 3.7-12, 5.0-12. Findina. Changes or alterations hava been required in, or incorporated into the Project. Thesa changes will avoid or 114\eas~ub\~ind(4) 46 - .-. " t ,. substantially lessen the Project-related significant effects identified in the final EIR. However, these changes will not av6id the cumulative effects of lost or degraded biolog~cally sensitive habitat. Therefore, a statement of overriding Considerations must be adopted upon approval of the Project. Rationale for Findina. Requiring compliance with "no net loss" policies will ensure that the amount of habitat shall remain.constant. By incorporating wildlife corridors into Project plans, wildlife habitats will be enhanced and will not become isolated because wildlife will be able to migrate through these corridors as necessary. Disturbance of natural stream corridors can reduce the habitat value of these areas, but will be minimized by requirements to preserVe and maintain these corridors in a natural, open condit~on, and by requiring construction to take place in the drY season. Any disturbed streams shall be rebuilt, reconstructed and revegetated according to the stream corridor pl.an, which will further enhance and protect habitat: values in the RPA. Even with these protections for the RPA's biologically sensitive resource, the cumulative impactjcannot be fully mitigated. IMPACT 3.7/D. .BaD Joaquin Kit Fox. Construction of new roads and facilities could adversely impact kit fox by destroying potential dens or burying foxes occupying dens at the time of construction. Modification of natural habitat could reduce available prey and den sites. Increased vehicle traffic, the presence of humans and domestic dogs, and resident use. of poison for rodent control could kill or disturb foxes or reduce their prey populations. DEIR page 3.7-12 to -13. Mitiaation Measure 3.7/18.0. The City shall require all development in the RPA to comply with the East Dublin San Joaquin Kit Fox Protection Plan outlined in Appendix E, DEIR Part II. Extensive mitigation measures stress siting urban develoPment to avoid kit fox habitat where possible, and protecting and enhancing the habitat which remains primarily in the~open Space and Rural Residential areas. Mitigations incl.ud. measures for pre-construction and construction conditions, and address steps to be taken if potential or known dens are identified. DEIR page 3.7-13, DEIR Appendix E (as revised fol.lowing RC #20-7.) Mitiaation with other identifies fox in the Measure 3.7/18.1. The city of Dublin shall work agencies to develop a management plan that measures to protect viable habitat for the kit Tri-Valley area. RC #20-5. 114\eas~Ub\find(4) 47 .--. ---'. Hi tiaation Measure 3.7/19.0. PursuaJllt to specific Plan Action, Program 6N, * the city shall rt~strict rodenticide and herbicide use. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.7-13. Findina. Changes or alterations havt~ been required in, or incorporated into, the Project that avoid or substantially 1essen the siq.nificant effect identi:Eied in the Final EIR. Rationale for Findina. Appendix E p:rovides a comprehensive protection plan addressing several ~Ilases of kit fox protection, from avoidance of potential dens to maintenance of habitat. Through this plan, the :?roject will avoid most direct;'and indirect adverse effects ,:m any kit fox that might be present in the Project area. .1 DlPACTS 3.7/F to:t. Reel-legged Frog, Callfornia Tiger salaman4er,Western Pond Turtle, Tri-colo:t'ed. Blackbird. The destruction and alteration of water impo~lldments and stream courses in the RPAthreatens to eliminate habitat for these species. Increa~ed sedimentation into th.~ riparian areas could reduce water quality and threaten breedin9 and larval habitat. Disturbance of the already minimal vegeta.tion in the stream courses could reduce habitat opportunity Eor adult species. Increased vehicle traffic and new road cO:llstruction could increase direct mortality. Harassment an-;! predation. by feral dogs and cats already occurs, and would i:ncrease with increased residential development. DEIR page 3.7-13 to -14. Hitiaation Measures 3.7/20.0 to 22.0. Pursuant to specific Plan Action Program 6L* and other EI:R mitigations, develop- ment projects in the RPA shall prepa~e open space plans to enhance and preserve existing habi ta.t and revegetation plans for any disturbed open space or hab~tat areas and shall preserve and protect riparian, wetla:nd, and stream corridor areas whenever possib1e. (see MMs 3.7/2.0 to 3.0.) Maintain a minimum buffer of at leas.t 100 feet around breeding sites of the red-legged fro-;, California tiger salamander, and Western pond turtle. Development projects in the'RPA shall conduct a pre-const~ction survey within sixty days prior to habitat modific4cion to verify the presence of sensitive species. (*specific Plan provisions adopted throughout RPA.) DEIR page 3.7-14. Findina. Changes or alterations ha~e been required.in, or incorporated into, the Project that ,avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Open space protection, revegetation, and restoration planning, as well as planning to protect and enhance wetland and riparian areas will also protect and 114\eas~dub\fiDd(4) 48 .----~ .-. minimize impacts to the riparian habitat necessary for the specie~ identified in this impact. IKPACTS 3.7IK. Golden Eaq1e: The conversion of grasslands and the consequent reduction of potential prey could reduce the amount and quality of foraging habitat for golden eagles. Noise and human activity associated with development could also disrupt foraging ac~ivities. Elimination of golden eagle foraging habi- tat is also a potentially significant cumulative impact which contributes to the overall regional loss of foraging habitat for this species. DEIR paqe 3.7-15, 5.0-12. Mitiaation Measure 3.7/25.0. Designate substantial areas of land in the Project area as Open Space or Rural Residential (includinq future study areas), providing open space protection and low intensity development that will also provide a suitable foraging habitat. DEIR page 3.7-15, 5.0-12. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Providing a natural open space zone around ,the existing golden eagle nest avoids destruction of the nesting site; providing an additional buffer during the golden..eagle reproductive period. further proteCts the integrity of the existing nestin~ site. Tbe natural open space zone, together with the over acres of open space and low intensity development across the. Project site provides ample opportunity to maintain effective foraging habitat for golden eagles. IMPACT 3.7/L. Golden Eagle and Other Raptor Electrocutions. Golden eagles and other raptors which perch or fly into hiqh- voltage transmission lines may be electrocuted. DEIR page 3.7-15. Miti9ation Measures 3.7/26.0 and 3.4/42.0. Require all utilities to be located below grade where feasible. Pursuant to specific Plan Action program 6M,* require all transmission lines to be undergrounded where feasible. Where not feasible, design specifications to protect raptors from electrocution shall be implemented. These specifica- tions include, but are not limited to, spacing dangerous components; insulating conductors,. using non-conductive materials, or providing perch guards on cross arms; and avoiding grounded steel cross arm braces. C*Specific Plan provisions adopted throuqhout RPA.) DEIR page 3.4-24, 3.7- 1.5 to -1.6. 114\eas~ub\fiDd(4) 49 .~. ----. Findinq. Changes or alterations ha'.re been required in, or incorporated into, the project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findino. undergrouncling utilities, including all transmission lines, avoids the c~lectrocution hazard. Where the hazard cannot be avoided 1:hrough undergrounding, the design specifications identified in the mitigations reduce,the electrocution hazards by neutralizing and/or coverit.ig the 1:eatures that provide C)pportunities for electrocution. IMPACT 3.7/14, It. Burrowing OW1 and Amer:Lcan Badger. Annual grasslands in the.RPA provide suitable habitat for burrowing owls. Development and related construction activity could destroy both burrowing owl and American badger burrows. Harass- ment by feral dogs and cats, as well as llse of poisons for rodent control, could harm these species and/or reduce their prey populations. DEIR page 3.7-16 to -17. Mitioation Measures 3.7/20.0 and 27,0. Pursuant to Specific Plan Action Program 6L* and other EIR mitigations, develop- ment projects in the RPA shall conduct a pre-construction survey within sixty days prior to hcLbitat modification to verify the presence of sensitive spElcies. The projects shall maintain a minimum. buffer of cLt least 300,. feet around the breeding sites of the American badger during the breeding season (March to September) to avoid direct loss of individuals. Also, projects shall maintain aminillLum. buffer of at least 300 feet around known or identified:-nesting sites of the burrowing owl, or implE~ent other mitigation action* pursuant to standardized prcltocol now under development, including relocation 01: nesting sites in coordination with the USFWS and the CDFG. (*Specific Plan provisions adopted throughout RPA.) DEIR pages 3.7-14, and -17; RC #15-60. . Findinq. Changes or alterations have been required in, or incorporated into, the Project that avoid or SUbstantially lessen the significant effect identified in the Final EIR. Rationale for Findino. The pre-construction survey and required buffer zone around known nesting and breeding sites preserves these species' burrows by allowing them to be avoided during the construction and development process. IMPACT 3.7/0. prairie Palcon, Northern Barrier, and Black- Shou1dered Kite. Development in the RPA could cause loss of foraging habitat. DEIR page 3.7-17. If :' 114\eas~dub\f~d(4) 50 ~. .- Mitiaation Measure 3.7/25.0. Substantial areas of land in the Project area are designated for open space and 10w intens~ty Rural Residential 1and uses (including future study areas). DEIR pages 3.7-15 and -17. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially 1essen the significant effect identified in the Final EIR. Rationale for Findina. The designated open space and low intensity rural residential uses provide adequate foraging habitat for these species. DlPACT 3. 7/P . Sharp-Shinned Hawk and Cooper I s Hawk. Development in the RPA cou1d cause loss of foraging habitat. DEIR page 3.7- 17. Miti9ation Measures 3.7/6.0 throuah 17.0 and 21.0. Establish protective buffer zones for riparian and fresh- water marsh habitats to protect and enhance sensitive habitats. Preserve riparian, wetland, and stream corridor areasi~where avoidance of these areas is not feasible, prepare and implement habitat restoration, enhancement and maintenance plans. DEIR pages 3.7-10 to -12, -14, -17. :.I Findind. Changes or alterations have been reqwired in, or incorporated into, the Project that avoid or. suPstantially lessen the significant effect identified in the; Final EIR. Rationale for Finding. The mitigations provide, preservation, enhancement and maintenance features for riparian and freshwater marsh habitats upon which these species rely for forage. Protecting and enhancing this habitat avoids the impact of lost habitat. IMPACT 3.7/S. special status Invertebrates. Impacts to special status invertebrates cannot be estimated at this time. DEIR page 3.7-18. \ i~ Mitigation Measure 3.7/28.0. species-specific surveys shall be con~ucted in appropriate riparian/wetland habitats prior to approval of specific projects in the RPA. DEIR page 3.7- 18, Add,endum. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identif~ed in the Final EIR. Rationale for Finding. Any potential impacts to special status Invertebrates will be addressed during CEQA review of specific development projects in the RPA. 114\eas~duh\fiDd(4) 51 .i .,.--. . .-., section 3.8 -- Visua1 Resources DlPAC'l' 3.8/A. standardized "Tract" Development. Generic "cookie-cutter" development could obscure the specific natural features of the RPA, such as its landforDs, vegetation, and watercourses, that make it a unique place with its own identity. DEIR page 3 ~.8-4. Mitigation Measure 3.8/1.0. Pursua~t to the goal statement in Spe~ific Plan Section 6.3.4,* estab1isb a visually distinCtive community which preserves the character of the naturell landscape by protecting key visual elements and maintaining views from major travel corridors and public spaces. Implement the extensive design guidelines for development as described in Chapter 7* of the Specific Plan. These guidelines provide a flexible design framework, but do not compromise the community character as a whole. (*specific Plan provisions adopted throughout RPA.) DEIR page 3.8-5. Findinq. Changes or alterations have been required in, or incorporated i.nto, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Finding. By protecti~g key natural and visual elements, the Project maintains the natural features of the RPA, which make it unique. The general design guidelines for the Project, inCluding a village center, town center, mixed use orientation, and varying lot sizes, provide a varied 'development pattern, which avoids the look of stand~d cookie-cutter tract developnents. rMPACT 3.8/B. A1teration of Rural/Open Space Visual Character. Urban development of the RPA will subst~tially alter the existing rural and open space qualities that characterize eastern Dublin. This is also a significant cumulative impact as the natural rural character of the Tri-Valley subregion is replaced by urban development. DEIR page 3.8-5, 5.1.0-12. Mitiaation Measure 3.8/2.0. Implement the land use plan for the RPA, which plan emphasizes retaining the predominant natural features, such as ridgelines and watercourses, and preserves the sense of openness that characterizes Eastern Dublin. DEIR page 3.8-5, 5.0-12. Findinq. Changes or alterations have been required in, or incorporated into the Project. However, even with these chang-es, the impact will not be avoided or substantially lessened. Therefore, a statement of overriding Considerations must be adopted upon approval of the Project. 114\eastdUb\f~d(4) 52 ,--. . ------ Rationale for Findina. Maintaining predominant natural features minimizes the alteration of the RPA's current rural open space character; however, it does not fully mitigate this impact. IMPACT 3.a/C. Obscuring Distinctive Natural Features. The characteristic unvegetated landscape of the RPA heightens the visual importance of existing trees, watercourses, and other salient natural and cultural features. The Project has the potential to obscure or alter these existing features and thereby reduce the visual uniqueness of the site. DEIR page 3.8-5. Mitiaation Measure 3.8/3.0. Pursuant to Specific Plan POlicy 6-2B,* preserve the natural open beauty of the hills and other important visual resources, such as creeks and major stands of vegetation. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.8-5. Findina. Changes or alterations have been required in, or incorpQrated into, the Project that avoid or substantially lessen.!;the significant effect identified in the Final EIR. Ration~le for Findina. This mitigation measure calls for preservation of the RPA's important visual resources, thereby avoiding the impact of obscured or altered visually important features. . IMPACT 3.8/D. AlteratioD of Visual QUality of Hillsides. Grading and excavation of building sites in hillside areas will severely compromise the visual quality of the RPA.'.DEIR page 3.8-6. Mitiaation Measures 3.8/4.0 to 4.5. Pursuant to Specific Plan Policies 6-32,* and 6-34 to -38,* grading and excavation throughout the RPA should be minimized, by using such grading features as gradual transitions from graded ares to natural slopes, by revegetation of graded areas, by maintaining natural contours as much as possible and grading only tne actual development areas. Building pads in hillside areas should be graded individually or stepped, wherever possible. structures and roadways should be designed in response to the topographical and geotechnical conditions. Structures should be designed to blend in with surrounding slopes and topography and the height and grade of cut and fill slopes should be minimized wherever feasible. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.B-6. Findina. Changes or alterations have been required in, or incorporated into, the project that avoid or substantially lessen the significant effect identified in the Final EIR. 114\eastdub\fiDd(4) 53 }; i,l ..-. , ----- Rationale for Findina. The various grading techniques identified, together with revegetation and sensitive building design will avoid the impac,t by minimizing physical alteration throughout the RPA. IMPACT 3.8/B. A1teration of visua1 oua1i,ty of aidqes. structures built in proximity to ridges lIlClY obscure or fraCJ1llent the profile. of visually-sensitive ridgelines. DEIR page 3.8-6. Mitiaation Measures 3.8/5.0 to 5.2. pursuant to specific Plan POlicy 6-29, * development is ne,t permitted on the main ridqeline that; borders the specific Plan area to the north. and east, but may :be permitted on the foreground hills and ridgelands. Minor interruptions of views of the main ridgeline by individual building mas:ses may :be permitted only where all other remedies have I:leen exhausted. PUrsuant to specific Plan Policy 6-30* and Ge~neral Plan Amendment Guiding pOlicy E, structures shall flot obstruct scenic views and shall not appear to extend abOVE! an identified scenic ridgetop when viewed from scenic ro~~es. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.8-7. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen:the significant effect identified in the Final EIR. Rationale for Finding. prohibiting development along the main ridgeline in the RPA preserves the visual. quality of this resource. Limiting development; so that structures are not silhouetted against other scenic: ridgetops,. as well as requiring that a backdrop of natural ridgeline remain visible, miniDlizes the obstruction clr fragmentation of visually sensitive ridgelines. IHPAC'l' 3.8/F. Alteration of Visual Char;.cter of Flatlands. Commercial and residential development 01' the RPA's flatlands will completely al't:er the existing visual character resulting from valley grasses and agricultural fields. DEIR page 3.8-7. Miti<1ation Measures. None identifiEld. DEIR page 3.8-7. Findina. No (:hanges or alterations are available to substantially lessen this impact. ,]~herefore, a statement of Overriding Considerations must be adopted upon approval of the Project. Rationale for Findina. Development of the project site's flatter areas is regarded as a "trade-off" measure designed to preserve slopes, hillsides, and ridgelines. 114\eastdub\f1nd(4) 54 .- -. XHPACT 3.8/G. A1teration of the visual Character of Water- courses. Urban development of the Project site in proximity to watercourse~ may diminish or eliminate their visibility and function as::,distinct landscape elements. DEIR page 3.8-7. Mitiaation Measure 3.8/6.0. Pursuant to Specific Plan Policy 6-39,* protect the visual character of Tassajara Creek and other stream corridors from unnecessary alteration or disturbance. Adjoining development should be sited to maintain visual access to the stream corridors. Implement earlier identified mitigation measures 3.7/8.0, 12.0, and 13.0, to revegetate stream corridors to enhance their natural appearance, to prepare a comprehensive stream corridor restoration program, and to establish dedication of land along both sides of stream corridors. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.8-7 to -8, 3.7-10 to -11. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. preserving the RPA watercourses will retain both their visibility and function as distinct landscape elements. Special attention to stream corridors through revegetation, restoration, and dedication of land along both sides, will further enhance this distinct landscape element. DlPACT 3.8/T.. Scenic visus. Development on the RPA will alter the character of existing scenic vistas and may obscure important sightlines. DEIR page 3.8-8. Mitiaation Measure 3.8/7.0 to 7.1. Pursuant to Specific Plan policy 6-5* and other EIR mitigations, preserve views of designated open space areas. The City will conduct a visual survey of the RPA to identify and map viewsheds of scenic vistas. (*Specific Plan provisions adopted throughout RPA.) Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen ,the significant effect identified in the Final EIR. Rationale for Finding. Identifying and mapping critical viewsheds allows the City to consider specific ways of preserving those views when reviewing development projects within: the RPA. :IJlAGB 3.8/J. scenic Routes. Urban development of the RPA will significantly alter the visual experience of travelers on scenic 114\eas~dUb\find(4) 55 .- -, routes in eastern Dublin. As quiet rural roads become major suburban thoroughfares, foreground and distant views may be obstructed. DEIR page 3.8-8 to -9. Mitiaation Measure 3.8/8.0. Pursuar.~ to Specific Plan Action Program 6Q,* the City should officially adopt Tassajara Road, I-580, and Fallon Rc.ad as designated scenic corridors, should adopt scenic corridor policies, and should establish development review proced~res and standards to preserve scenic vistas. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.8-9. Mitiqation Measure 3.8/8.1. Pursual1.t to specific Plan Action Program 6R,* the City should require that projects with potential impacts on scenic cOJ:ridors submit detailed visual analysis with development preject applications. The analysis shall include graphic simulations and/or sections drawn from affected travel corridors and representing typical views from scenic routes. (*Specific Plan provisfons adopted throughout RPA.) DEIR page 3.8-9. Findincr. Changes or alterations have been required in, or incorporated into, the project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Establishing scenic co~idor policies will insure that the visual experience of travelers along scenic routes be maintained as much as possible. Requiring visual analyses will allo~. the city to specifi- cally review development projects fer their visual impacts and to review how locations of structures and associated landscaping can be used to adjust the project design to minimize its visual impacts from scenic routes. Section 3.' -- CUltural Resources XMPACT 3.'/A. Disruption or Destruction of xdentified Prehistoric i.Resources. Due to the level of development proposed in the RPA, ji t is assumed that all prehistoric sites identified in the 1988 ; inventory will be disturbed cr altered in some manner. DEIR page 3.9-6. Mitiaation Measures 3.9/1.0 to 4.0. Develop a testing program to determine the presence OJ: absence of hidden deposits in all locations of prehistoric resources. All locations containing these components shall be recorded with the State of California and their bcrders will. be staked so that professional survey teams may develop accurate location maps. If any of these recorded and mapped locations are affected by future construction or increased access to the areas, evaluat;ive testing, consistir,g of collecting and 114\ea8~dub\find(4) 56 /-. '~'-. analyzing any surface concentration of materials, shall be undertaken in order to prepare responsive mitigation measures. The city shall hire a qualified archaeologist to develop a protection program for prehistoric sites con- taining siqnificant surface or subsurface deposits of cultural materials in areas where development will alter the current condition of the resource. DEIR page 3.9-6 to -7. Findin9. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. Throuqh these mitigations, prehistoric resources can be identified and mapped, and specific mitigation plans prepared as part of review of development projects that will affect the resources. IMPACT 3.9/B. Disruption or Destruction of Unidentified Pre- Historic Resources. PreviOUSly ~nidentified pre-historic resources may exist in the RPA and would be subject to potential disruption or destruction by construction and development activities associated with the Project. DEIR page 3.9-7. Mitiaation Measures 3.9/5.0 to 6.0. Pursuant to specific Plan Policy 6-25* and Action Program 6P,* cease any grading or construction activity if historic or prehistoric remains are discovered until the significance and extent of those remain$ can be ascertained by a certified archaeologist. Development projects in the RPA shall prepare an archaeolo- gical site sensitivity determination and detai~ed research and field reconnaissance by a certified archaeologist, and develop a mitiqation plan. C*Specific Plan provisions adopted throughout RPA.) DEIR page 3.9-7. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. These mitigations will insure that any significant prehistoric resources which are discovered during';development activities are not disrupted or destro~ed. IMPACT 3.9/e. Disruption or Destruction of Identified Historic Resources. iDue to the level of development proposed in the RPA, it is assumed that all historic sites identified in the 1988 inventory will be disturbed or altered in some manner. Even cultural resources in the proposed Open space and Rural Residen- tial areas will potentially be disturbed or altered due to the presence of new residential population ,in the area. DEIR page 3.9-8. 114\eas~ub\~iDd(4) 57 .- .-. Mitiaation Measures 3.9/7.0 to 12.0. Pursuant to Specific Plan Policies 6-26* and 6-27* and other mitigations identified in the EIR, all properties with historic resources and all standing structural remains shall be evaluated by an architectural historian as part of in-depth archival research to determine the significance of the resource prior to any alteration. All historic locations in the 1988 inventory shall be recorded on official state of California historical site inventory forms. These records should:'be used to make sure that hist.orical locations are recordE;!d .onto development maps by prc,fessional surveyors. Where the disruption of historical resources is unavoidabl.e, encourage the adaptive reuse or reste,ration of the struc- tures whenever feasible. A qualified. architectural historian shall be hired to devel.op a. preservation proqram for historic sites found to be significant under Appendix K of the CEQA guidelines. (*Specific Plan provisions adopted throughout RPA.) DEIR page 3.9-8. Findina. Changes or alterations have, been required in, or incorporated into, the Project that a~oid or substantially lessen.. the significant effect identifie9, in the Final EIR. Rationale for Findina . Archival rese:arch and. recordation of historical. sites on state inventory i'orms will insure that histor~cal resources are identified tllroughoutthe project area. . ~Encouraging adaptive reuse or restoration of historic structUres and devel.opment of a prese:rvation program for historic sites will insure that ident~ified resources are not disturbed or destroyed. IKPACT 3. 9/D. Disruption or Destruction Clr UJlidentified Historic Resources. Previously unidentified historic resources may exist in the RPA and woul.d be subject to potential disruption or destruction by construction and developmerlt acti vi ties associated wi th the Proj ect. DEIR page 3.9-8. Mitigation Measures 3.9/5.0 to 7.0. 9.0. 10.0. and 12.0. These previously identified mitigaticlD measures will be used to ascertain the presence of unidentified historic resources on a development project site in the RPA. If a historic resourc.e is identified, archival. resE!arch shall be performed to determine the significance of the resource or structure. The City shall hire a qualified architectural historian to develop a preservation program for s:.gnificant historic sites. t DEIR page 3.9-7 to -9. Findin9. Changes or alterations haVE! been required in, or incorporated into, the Project that uvoid or substantially lessen ; the significant effect identij:ied in the Final EIR. 114\eas~dub\fiDd(4) 58 ,- .-... Rationale for Findina. Mitigations will ensure that any significant historic resources which are discovered during development activities are not disrupted or destroyed. Section 3.10 -- Hoise XMPAC~ 3.10/A. Exposure of Proposed Rousing to Puture Roadway Noise. Proposed residential housing along Dublin Boulevard, Tassajara Road, Fallon Road, and Hacienda Drive will be exposed to future noise levels in excess of 60 dB CNEL. DEIR page 3.10- 2. Mitiaation Measure 3.10/1.0. Require acoustical studies for all residential development projects within the future CNEL 60 contour to show how interior noise levels will be reduced to 45 dB. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lesseni;the significant effect identified in the Final EIR. \ Rationale for Findina. The required acoustical studies must show how interior noise exposures are reduced to 45 dB CNEL,. the minimum acceptable noise level. IMPACT 3.10/B. Exposure of Existing Residences to IUture Roadway Hoise. Increased traffic noise on local roads would, result in significant cumulative noise level increases along Tassajara .(4 dB), Fallon (6dB), and Hacienda Roads of 6 dB. This is a potentially significant cumulative impact in that small indivi- dual Project noise increases considered together and over the long term, will substantially increase overall noise levels. DEIR page 3 ~;10-3, 5.0-13. Mitiaation Measures 3.10/2.0. All development projects in the RPA shall provide noise barriers or berms near existing residen,ces to control noise in outdoor use spaces. DEIR page 3~:10-3. . Mitiaation Measure 3.10/7.0. To mitigate cumulative noise impacts, the city shall develop a noise mitigation fee to pay for on- and Off-site noise mitigations, including but not limited to, noise barriers, earthen berms, or retrofitting structures with sound-rated windows. DEIR page 5.0-13. Findina. Changes or alterations have been required in, or incorporated into the Project. However, even with these changes, the impact will not be avoided or substantially lessened. Therefore, a statement of overriding Considera- tions must be adopted upon approval of the Project. 114\ea~dub\f~d(4) 59 .-., Rationale for Finding. providing nc)ise barriers or berms will reduce noise exposure for exist:ing residences; however, mitigation may not be feasible at all locations because of site constraints such as driveways nnd proximity to road- ways. Furthermore, while developers will provide funding for noise ~itigations to reduce overall noise levels, funds derived from the experimental progrcm may not adequately mitigate the cumulative impact. ThE!refore, this noise impact-cannot be fully mitigated. DlPACT 3.10/D. Exposure of Proposed ResiLdentia~ DeveJ.opment to Noise ~ro. Future HiJ.itary Training Acti,rities at parks aeserve Forces Training Area (camp Parks RFTA) and the county Jail.. Residential development on the Project site within 6000 feet of camp Parks RFTA and the County Jail could be exposed to noise impacts from gunshots and helicopter overflights. DEIR page 3.10-4. Mitiaation Measure 3.10/3.0. The City shall require an acoustical study prior to future development in the Foothill Residential, Tassajara Village CentE~r, county Center, and Hacienda Gateway subareas (as definE~d in Figure 4.2 of the Specific Plan) to determine whether future noise impacts from Camp Parks and the county jail will be within accept- able limits. This study should identify and evaluate all potential noise generating operations. DEIR page 3.10-4. Findina. Changes or alterations have been required in, or incorporated into the Project. HowE~ver, even with these changes, the impact will not be avoided or substantially lessened. Therefore, a statement of overriding Considera- tions must be adopted upon approval of the Project. Rationale for Findina. The required acoustical study will identify noise sensitive areas in tlle Project site and noise generating opE!rations at Camp Parks and the jail. and will propose mitigation to reduce noise impacts to acceptable limits. However, mitigation may not: be possible at all critical locat:ions, so the impact m<LY not be fully mitigated. IMPACT 3.10/E. Exposure of EXisting and proposed Residences to Construction Roise.. construction would CICCur over years on the Project site and will be accompanied by lIoise from truck activity on local roads, heavy equipment used in c;rrading and paving, impact noises during structural framing, and pile driving. Construction impacts will be most severe near existing residen- tial uses along Tas;sajara Road and near E!xisting uses in the southern portion 01: the Proj ect area. DI:IR page 3. 10-4. 114\eastdub\fiDd(4) 60 .---- -... Mitiaation Measures 3.10/4.0 to 5.0. Development projects in the RPA shall submit a Construction Noise Management Program that identifies measures proposed to minimize construction noise impacts on existing residents. The Program shall include a schedule for grading and other major noise-generating activities, limiting these activities to the shortest possible number of days. Other noise mitigation measures include, but are not limited to, restricting hours of construction activity, developing construction vehicle access routes which minimize truck traffic through residential areas, and developing a mitiga~ion plan for construction traffic that cannot be avoided in residential areas. In addition, all development- related operations should comply with local noise standards, including limiting activity to daytime hours, muffling stationary equipment, and locating that equipment as far away from sensitive receptors as possible. DEIR page 3.10- 4 to -5. Findina. Changes or alterations have been required in, or incorporated into, the Project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findinq. Through these mitigation measures, developers will limit the intensity and duration of noise exposure experienced by existing residences in<construction areas. Other mitigations will limit noise exposure by moving the noise-generating equipment as far away from residential uses as possible. IMPACT 3.10/P. Roise Conflicts due to the Adjacency of Diverse Land Uses Permitted.bY Plan Policies supporting K1xed-Use DevelopDlent~ The presence of different land use types wi thin the same development creates the possibility of noise impacts between adjoining uses, particularly when commercial and residential land uses abut. <DEIR page 3.10-5. Mitigation Measure 3.10/6.0. Development projects in the RPA shall prepare noise management plans to be reviewed as part of the development application for all mixed use projects involving residential uses and non-residential uses. To be prepared by a qualified acoustical consultant, the plan should aim to provide a high quality acoustic environment for residential and non-residential users and should propose steps to minimize or avoid potential noise problems. The plan should address the concerns of resi- dents, non-residential users, and maintenance personnel, and should .make maximum use.of site planning to avoid noise conflicts. DEIR page 3.10-5 to -6. " 114\ea&~dub\fibd(4) 61 ,-... -. Findina. Changes or alterations have been required in, or incorporated into, the project that avoid or substantially lessen the significant effect identified in the Final EIR. Rationale for Findina. The required noise management plans allow both the developer and the city to anticipate possible noise conflicts in mixed-use developments and to propose specific measures to address the specific conflicts identi- fied. ~occurring at an early stage in the process and reviewed with the development application, projects can make use of. the greatest array of conflict reducing techniques, including building design and site planning. compliance with these mitigations will lessen or avoid potential noise conflicts from adjacent mixed uses. IMPACT 3.11/A. Dust Deposition soiling Nuisance from construction Activity. Clearing, grading, excavation, and unpaved roadway travel related to project construction will generate particulate matter which may settle out near the construction sites, creating a soiling nuisance. Any additional dust pollution will worsen the air basin's non-attainment status for particulates. Dust emissions is therefore also a potentially significant cumulative impact. DEIR page 3.11-3, 5.0-13. Mitiaation Measure 3.11/1.0. Require development projects in the Project area to implement dust control.measures, including but not limited to, watering construction sites, Cleaning up mud and dust carried by construction vehicles, effective covers on haul trucks, planting, repaving., and other revegetation measures on exposed soil surfaces, avoiding unnecessary idling of construction equipment, limiting on-site vehicle speeds, and monitoring particulate matter "levels. These measures will reduce project dust deposition to acceptable levels, but will not avoid cumulative impacts of dust generation. DEIR page 3.11-3 to -4, 5.0-13. Findina. Changes or alterations have been required in, or incorporated into the Project. However, even with these changes, cumulative dust generation impacts will not be substantially avoided. Therefore, a statement of Overriding Considerations must be adopted upon approval of the project. Rationale for Findina. The mitigation measures identify various feasible and reasonable dust control measures that . developers can take during construction activity. These measures elimi.nate and/or minimize the amount and effect of dust deposition in construction areas. Even with these measures, however, some small amount of additional pollution will occur. 'l'herefore, the cumulative impacts of dust emissidns cannot be fully mitigated. 114\eastdub\find(4) 62 ~i -.. ..-, '. XHPACT 3.11/B. CODs~ructioD Equipment/Vehicle Emissions. Construction equipment operation generates daily exhaust emissions. Normally considered a temporary impact, buildout of the Project area over the long term will be a chronic source of equipment/vehicle emissionS. This is also a potentially signifi- cant cumulative impact due to the non-attainment status of the air basin. DEIR page 3.11-4, 5.0-13. Mitigation Measures 3.11/2.0 to 4.0. Minimize construction interference with regional non-Project traffic movement by scheduling and routing construction traffic to non-peak times and locations. Provide ride-Sharing incentives for construction personnel. Require routine low-emission tune- ups for on-site equipment. Require development projects in the Project area to prepare a Construction Impact Reduction Plan incorporating all proposed air quality mitigation strategies with clearly defined responsibilities for plan implementation and supervision. DEIR page 3.11-4, 5.0-13. Finding. Changes or alterations have been required in, or incorporated into the Project. However, even with these changes, the impact will not be avoided or substantially lessened. Therefore, a statement of OVerriding Considera- tions must be adopted upon approval of the Project. Rationale for Findina. The mitigations include construction timing and siting measures that will reduce eqaipment and vehicle emissions over the long-term buildout of the Project. Even with these mitigations, however, neither Project nor cumulative air quality impacts can-be fu.lly mitigated. IKPACT 3.11/C. Kobile Source Emissions: ROO or HOE. Project implementation at full buildout will generate 500,000 da~ly automobile trips within the air basin. Mobile source eDl1ssions for ROG and:NOx associated with these vehicle trips are precursors to ozone formation. The emissions associated with this level o.f vehicle use will far exceed BAAQMD thresholds for significantieffect. This is also a potentially significant cumulative impact. DEIR page 3.11-5, 5.0-14. Mitiaation Measures 3.11/5.0 to 11.0. Exercise interagency cooperation on a subregional and regional basis to integrate local air quality planning efforts with transportation, transit and other infrastructure plans. Implement techni- ques, such as transportation demand management (TDM), shifting travel to non-peak periods, and encouraging mixed- use development which provides housing, jobs, goods and services in close proximity as a means of reducing vehicle trips and related emissions and congestion. At the development project level, maintain consistency between 1 14\eastdub\fiDd (4) 63 ,...-..... -, specific development plans and regional transportation and growth management plans, coordinate J.evels of growth with roadway transportation facilities and improvements, and require linkage between housing grow1:h and job opportunities to achieve a positive subregional jobs/housing balance. DEIR pa,ge 3.11-5, 5.0-14. Finding. Changes or alterations havE~ been required in, or incorporated into the project. However, even with these changes, the impact will not be avoided or substantially lessened. Therefore, a statement of overriding considera- tions must be adopted upon approval of the project. Rationale for l"indina. The various 1:echniques described in the mitigation measures provide oppol~unities to reduce vehicle trips, and therefore reduce vehicle emissions. However, becau~~e of the size of this Project, neither Project nor cumulative impacts can bH fully mitigated. IKPACT 3.11/E. stationary Source Emissions. Specific Plan buildout will create emissions from a varj_ety of sources, including but not lindted to, fuel combus1:ion in power plants, evaporative.emissions from paints, and subsurface decay of organic materials associated with solid wilste disposal. This is also a potentially ~;ignificant cumulative impact. DEIR page 3.11-6, 5.0~14. Mitiaa"tiion Measures 3.11/12.0 to 13.q. Minimize stationary source;emissions associated with Pro:iect devel.Opment where feasible, with the goal of aChieving 10 percent above the minimum conservation target levels eBtablished in Title 24 of the California Code of Regulationu. Include sol.id waste recycling in all devel.opment plannin~r. DEIR page 3.11-6, 5.0-14. Findina. Changes or alterations haVE! been required in, or incorporated into the Project. However, even with these changes, the impact will not be avoided or substantially lessened. Therefore, a Statement of Overriding Considera- tions must be adopted upon approval of the Project.. Rationale for Findina. Focusing on reducing emissions from various sources will allow an incremEmtal reduction in statiorlary source emissions. These reductions will not, however, be sufficient to avoid eithE!r Project-related or CUlIlulati ve impclctS. 114\eastduh\fiDd(4) 64