HomeMy WebLinkAboutAppendix
ApPLICATION FORMS
CITY OF DUBLIN PLANNING APPLICATION FORM
NOTE: Please discuss your proposal with Planning Staff prior to completing this form. All items on this form related to
your specific type of application must be completed, Some of the items listed might not apply to your specific application,
Please rint or e Ie ibl , Attach additional sheets, if necessa .
I. TYPE OF APPL/CA nON:
x
Temporary Use Permit [TUP]
Conditional Use Permit [CUP]
Site Development Review [SDR]
Variance [VAR]
Tentative Subdivision Map [T MAP]
x
Sign/Site Development Review [SIGN/SDR]
Master Sign Program [MSP/SDR]
Planned Development Rezone [PD REZ]
Rezone [REZ]
General/Specific Plan Amendment [GPA]
x
II. GENERAL DATA
A. Address/Location of Property,: See attached descriotion.
8. Assessor Parcel Number(s): See attached descriotion..
C. Site Area See attached D. Zoning: See attached. E. General Plan Designation: See attached
F. Existing/Proposed Use of Property: See attached descriotion.
G, Existing' Use of Surrounding Properties: See attached descriotion.
III. AUTHORIZA TION OF PROPERTY OWNER AND APPLICANT
A. PROPERTY OWNER: In signing this application, I, as Property Owner, certify that I have full legal capacity
to, and hereby do, authorize the filing of this application, I understand that conditions of approval are binding.
I agree to be bound by those conditions, subject only to the right to object at the hearings or during the appeal
period, I further certify that the information and exhibits submitted are true and correct.
(Note: All Property Owners must sign if property is jointly owned)
8, APPLICANT (OTHER THAN PROPERTY OWNER): In signing this application, I, as Applicant, certify that I
have obtained written authorization from the property owner and have attached separate documentation
showing my full legal capacity to file this application. I agree to be bound by the conditions of approval,
subject only to the right to object at the hearings or during the appeal period. I fw1her certify that the
information and exhibits submitted are true and correct.
Name:
Mr. James TonQ
Title: Authorized Reoresentative for J. Un
Company:
Address: 4690 Chabot Drive. Suite 100
Pleasanton. CA 94588
Phone: L9251463-1666
Fax: (9251463-9330
Signature:
Date:
P:I 16034-40IofficeISubmittalsIPD2_ TM-SDR ApprovalslPD21PAF,doc
Attachment to City of Dublin Planning Application Form
II. General Data
A. B. C. D. E.
Property Owner Address/Location APN Area Zonina General Plan Desianation
L1N 6582 Tassajara Road 986-0004-005-01 184.1 ac, N/A Single Family Residential
(DUBLIN RANCH Medium Density Residential
WEST) Medium High Density Residential
Neighborhood Park
Open Space
Public/Semi-Public
F. Existing and Proposed Uses of Property:
The existing use of the property is rural. There are a few vacant homesteads and various
outbuildings on the properties.
Proposed uses include:
Single Family Residential
Medium Density Residential
Medium-High Density Residential
Neighborhood Park
Semi-Public
Open Space
G. Existing Uses of Surrounding Properties
Land uses on the surrounding properties to the north and east are typical of those on the
proposed project, including rural residential, cattle grazing and limited dry land farming.
Additionally, to the east, is the construction of a low, medium and medium high residential
community. To the south is a firewood sales and storage site, a private school, and a
landscape corporation yard. Immediately adjacent to the project, to the west, is the US Army
Parks Reserve Forces Training Center (Parks RFTA).
P:I 16034-40IofficeISubmillalsIPD2- TM-SDR ApprovalslPD21PAF,doc
Application Name: Dublin Ranch West - Sta2e 1 Planned Development Rezone
Amendment. Sta2e 2 Planned Development Rezone. Vestinl!
Master and Tentative Maps. and Site Development Review
Initial Study
(ENVIRONMENTAL INFORMATION FORM - PART 1)
(To be completed by Applicant pursuant to City of Dublin
Environmental Guidelines Section 1.6)
Date Filed: November. 2006
GENERAL INFORMATION:
1. Name and address of authorized representative of property owner:
Mr. James Tonl!. 4690 Chabot Drive. Suite 100. Pleasanton. CA 94588
2. Address of Project: 6582 Tassajara Road. approximately 1.5 miles north of
1-580
3. Name, address and telephone number of person to be contacted concerning this
project:
Marty Inderbitzen
Attorney at Law
7077 KolI Center. Suite 120
Pleasanton. CA 94566
(925) 485-1060
Connie Goldade
MacKay & Somps
5142 Franklin Dr. . Suite B
Pleasanton. CA 94588
(925) 225-0690
4. List and describe any other related permits and other public approvals
required for this project, including those required by city, regional, state and
federal agencies: California Department of Fish and Game- Section 1600
Streambed Alteration Al!reement: US Army Corps of Enl!ineers- Section
404: Rel!ional Water Quality Control Board- NPDES Permit and Section
401- (Clean Water Certification)
Existing Zoning District: PD-Sinl!le Family Residential. PD-Medium Density
Residential. PD-Medium Hil!h Density Residential. PD-Nei2hborhood Park. PD-
Open Space. PD-Public/Semi-Public
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6. Description of Project: (Include site area, uses, size and number of buildings,
parking, number of dwelling units, scheduling, and any other information
necessary or helpful to understand project. This attached description must be
complete and accurate. Exhibits or photographs should be identified and
attached.)
Wallis Ranch is an approximately 185 acre residential and open space
community. The project entails approximately 935 low, medium and
medium high density units nestled within generally 80 acres of open
space, 8 acres of neighborhood park, and 2 acres of semi-public uses.
Refer to the various application project descriptions for greater detail.
7. Are the following items applicable to the project or its effects? Discuss below
all items checked (attach additional sheets as necessary).
All of the followinl! items are addressed in the prOl!ram EIR prepared for
the Eastern Dublin General Plan Amendment/Specific Plan and Dublin
Ranch West Proiect SEIR and the SEIR prepared for the Stal!e 1 PD and
Annexation Application for Dublin Ranch West Annexation Area.
Yes
No
1. Change in existing features of any bays, tidelands, beaches, lakes or
hills, or substantial alteration of ground contours.
2. Change in scenic views or vistas from existing residential areas
or public lands or roads.
3. Change in pattern, scale or character of general area of project.
4. Significant amounts of solid waste or litter.
5. Change in dust, ash, smoke, fumes or odors in vicinity.
6. Change in ocean, bay, lake, stream or ground water quality or
quantity, or alteration of existing drainage patterns.
7. Substantial change in existing noise or vibration levels in the vicinity.
8. Site on filled land or on slope of 10 percent (10%) or more.
9. Use or disposal of potentially hazardous materials, such as toxic
substances, flammables or explosives.
10. Substantial change in demand for municipal services (police, fire,
water, sewage, etc.).
11. Substantial increase in fossil fuel consumption (electricity, oil,
natural gas, etc.).
12. Relationship to larger project or series of projects.
P:I 16034-40IofficeISubmittalsIPD2- TM-SDR ApprovalslPD2lPDW- TM-SDRApprovals-PD2-EIF .doc
ENVIRONMENTAL SETTING:
8. Briefly describe the project site as it exists before the project, including
information on topography, soil stability, plants and animals, and any cultural,
historical or scenic aspects. Describe any existing structures on the site, and
the use of the structures. Ifnecessary, attach photographs of the site.
See DEIR for Eastern Dublin GPA/Specific Plan, pal.!:es 2-2 and 2-3 and
Eastern Dublin Specific Plan, pal.!:es 5 and 6, and to the Dublin Ranch
West SEIR. Also refer to attached photol.!:raphs of affected land areas
for data rel.!:ardinl.!: existinl.!: site conditions.
9. Briefly describe the surrounding properties, including information on plants
and animals, any cultural, historical or scenic aspects and the type of land use.
Refer to the Eastern Dublin Specific Plan, pal.!:es 5 throul.!:h 7, DEIR for
Eastern Dublin GP AlSpecific Plan, pal.!:es 2-2, and to the Dublin Ranch
West SEIR.
CERTIFICATION: I hereby certify that the statements furnished above and in the
attached exhibits present the data and information required for this initial evaluation to
the best of my ability, and that the facts, statements and information presented are true
and correct to the best of my knowledge and belief.
Dated:
Signature
James Tonl.!:
Print Name
Authorized Representative for J. Lin, et. al.
Title/Company
P:I 16034-40IofficeISubmittalsIPD2- TM-SDR ApprovalslPD2lPDW- TM-SDRApprovals-PD2-EIF ,doc
Wallis Ranch
Stage 2 Development Plan
PHOTO LOCATION KEY
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6 - View from the n0l1h\vest portion of the property looking to the cast.
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ARBORIST TREE ASSESSMENT REPORT -
THE TASSAJARA CREEK BRIDGES AT
W ALLIS RANCH
ARBORIST TREE ASSESSMENT
REPORT
The Tassajara Creek Bridges at Wallis Ranch
Dublin, California
Prepared for:
Ms. Jennifer'Lin,
c/o MacKay and Somps
5142 Franklin Drive
Suite B
Pleasanton, California 94588
Prepared by:
Ralph Osterling Consultants, Inc.
1650 Borel Place
Suite 204
San Mateo, California 94402
(650) 573-8733 Office
(650) 345-7890 FAX
24 August 2006
@ Ralph Osterling Consultants, Inc. 2006.
T able of Contents
Page
Introduction 1
Assignment 1
Observations and Discussion
Trees of Special Concern
Tree 522 2
Tree 523 2
Tree 524 2
Tree Protection and Preservation
Design 3
Tree Work 3
Soil Protection 3
Tree Protection 4
Construction
Additional Evaluations 4
Monitoring 4
Post Construction
Protected Trees 5
Warranties 5
Conclusions 5
Recommendations 6
Literature Referenced 8
Table 1
Definition of Rating Terms
Table 2
Tree Condition Chart
Appendix 1
Photo Exhibit
Appendix 2
Tree Location Maps
North Bridge
South Bridge
Certification of Performance
Terms and Conditions
9
10
A
Map Pocket
Map Pocket
ii
INTRODUCTION
Two bridges crossing Tassajara Creek are required to provide vehicle and
pedestrian access to Tassajara Road from the proposed Wallis Ranch
community. The locations for these structures were defined previously in
consultation with state and federal resource agencies during the Corps permitting
process for the Dublin Ranch project. According to MacKay and Somps, the
bridge locations chosen are in areas where disruption to creek biotics including
tree removal is minimized and where the natural creek configurations are
relatively stable. Incorporating this natural stability with the chosen bridge design
avoids the necessity for creek bank armoring. This Tree Assessment Report
prepared by Ralph Osterling Consultants, Inc. (ROC) is part of the design I
submittal process for the bridge construction projects.
ASSIGNMENT
At the request of MacKay and Somps (M & S), the scope of work for this Tree
Assessment Report is limited to those trees in the proximity of the construction
activities anticipated for the two Tassajara Creek Bridges (North and South) and
their approaching roadways. These two locations are the only places within the
Wallis Ranch Project where it is anticipated that trees could be potentially
impacted. These trees are identified and plotted on exhibits attached. Trunk
diameters of these trees were measured and each tree was evaluated for its
overall condition and expected impacts from construction activities. Proposed
bridge locations were marked in the field by M & S.
OBSERVATIONS AND DISCUSSION
Designated trees were assessed using a rating system for overall condition and
anticipated impacts from construction activity. Table 1 provides a "Definition of
Terms for Overall Existing Tree Condition and Construction Impact Rating".
Table 2 provides the tree tag number, tree species, trunk measurement, overall
condition rating, reason for a poor or very poor rating, whether it is a Heritage
Tree (as per the City of Dublin), construction impact, and pertinent comments
and/or recommendations.
A comprehensive Tree Preservation Plan will be prepared and incorporated into
construction plans and specifications for the bridges and attendant roadway and
pipeline projects. The following are general remarks regarding specific trees and
provisions for tree preservation.
Tassajara Creek Bridges
10 August 2006
Page 2
Trees of Special Concern
Trees 522, 523 and 524 are considered significant trees to the Wallis Ranch
project in recognition of their size, species, prominent location and proximity to
the proposed construction. These trees are located along the primary project
entry, between the North Bridge and Tassajara Road.
An extensive assessment of these trees was performed by George Pichel,
Certified Arborist under contract to ROC. Methods of assessment included: root
crown inspection, overall visual inspection and measurements from face of trunk
to proposed improvements (roadway and footpath). During a subsequent site
visit by ROC a visual sampling of wood beneath the bark was performed on tree
524.
Tree 522, a valley oak, is in overall poor condition. (Please see photos 1
and 2. )The root collar (base of tree) is at least 18 inches below the
existing grade and the trunk leans to the east. The soil is compacted
limiting the vigor of the tree. Stunted and limited new growth is indicative
of low vigor. The 18 inches of compacted fill soil inhibits the necessary
exchange of moisture and gases between the roots and the atmosphere.
An inspection of the root crown was performed by removing soil from
around the base of the tree to a depth just below the area where the
buttress roots begin to flare. Some signs of decay were present but are
expected on a mature oak.
Preliminary land plans show a proposed roadway within 14 feet of the
trunk. If the tree were in good condition (which it is not) the recommended
distance from face of trunk to the cutline should be no closer than 18 feet.
In addition, its broad canopy would require reduction to provide clearance
for vehicles and equipment. (See photos 1 & 2.)
Tree 523, a valley oak is in overall fair condition. Its root collar is covered
by compacted fill soil that inhibits the necessary exchange of moisture and
gases between the roots and the atmosphere. Although its roots are
impacted by soil conditions, this tree exhibits vitality by its new growth.
Construction activity will be kept at an adequate distance from the tree
thereby minimizing possible impacts. A proposed footpath designed to
accommodate the tree will minimize further soil compaction and allow
walkers to closely appreciate this grand oak.
Tree 524, a valley oak is in overall very poor condition. (Please see
photos 3, 4 and 5.) The root collar (base of tree) is girdled by decay and
the trunk exhibits a wide deep cavity that has compromised wood strength
at this very vulnerable area. Limbs and branches display various cavities
Ralph Osterling Consultants, Inc.
Tassajara Creek Bridges
10 August 2006
Page 3
and poorly developed features. According to the M & S team, these
structural flaws do make for good wildlife habitat at this or other locations
at the site.
If retained, properly designed and implemented safety measures are
required to preserve this tree in a public setting. Safety measures would
include barriers and warning signs to discourage visitors from closely
exploring this tree. Another option would be to take down the tree and
either keep at this location or relocate all or portions of it to other sites on
the property for use as habitat or for conservation of the creek corridor as
part of the mitigation program.
Tree Protection and Preservation
Tree Protection Preservation has four basic stages in relationship to construction;
the design stage, the preconstruction stage, construction stage and post
construction stage.
Design
At this time the project team is in the design stage working to resolve tree
and construction conflicts. As part of this effort detailed tree protection
plans and specifications will be prepared for those trees adjacent to
construction activities. Tree preservation is an aspect of good design.
Preconstruction
Prior to the beginning of grading and other construction activities, certain
measures will be in place to protect and preserve trees:
Tree Work:
Pruning, watering and tree removals performed by a qualified tree
contractor must be properly completed.
Soil protection:
Wood chips or coarse mulch should be installed in areas of heavy
foot and equipment traffic to reduce soil compaction. Steel plates
or plywood sheeting on top of the mulch will be required where self-
propelled or towed equipment must travel near or within the drip line
of trees.
As grading creates a dewatering effect by exposing soil to the
atmosphere it will be expected that certain trees will require mulch
within their dripline to reduce evaporation.
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Tassajara Creek Bridges
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Page 4
Tree Protection:
Barriers such as chain link fencing or chain link panels must be
securely erected to prevent damage to the roots, trunk, branches
and limbs of protected trees.
Construction
During grading and construction on-going tree evaluations and monitoring
will be performed:
Additional Evaluation:
Trees rated to be moderately impacted by construction activity will
be evaluated again during construction to confirm whether these
trees are to be removed or preserved. For example, should grade
changes become less severe or should actual root damage be
found to be in an acceptable range it may be practical to preserve a
tree that might otherwise have to be removed. Trees rated as
moderately impacted will require a root inspection or evaluation for
canopy clearance to confirm or supplement tree preservation
specifications prepared during project design.
Monitoring:
A qualified Project Arborist must be present whenever construction
activity may jeopardize the well being of a protected tree.
Maintaining adequate soil moisture is critical for trees adjacent to
grading operations. The Project Arborist will monitor this during
construction and will designate those trees that require
supplemental irrigation.
The Project Arborist or designee should be expected to conduct
monthly or bi-weekly site visits to verify that tree protection
measures remain in place for the duration of the project. A written
report detailing observations and any necessary recommendations
must follow each visit.
Post Construction
Follow-up after construction activities have ceased provides an
opportunity to offer additional tree care, if necessary and to evaluate the
effectiveness of the Tree Preservation Plan:
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Tassajara Creek Bridges
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Page 5
Protected Trees: The post construction stage is an acclimation
period for protected trees. During this time the Project Arborist will
monitor all protected trees for symptoms of drought stress,
increased insect activity, stunted growth and canker development
on trunks.
Particular attention will be paid to tree 524, if it is retained as a
standing tree, to insure that preservation methods have been
properly implemented and are effective in preserving the tree and
protecting the public. Please refer to "Recommendations" (page 6)
for specific methods and options that can be employed.
Warranties: Warranties by landscape and tree contractors for the
quality of their work and materials must be closely monitored to
proactively correct a problem before it becomes a catastrophe.
CONCLUSIONS
A total of 61 trees were judged to be potentially affected by the proposed bridge
construction and roadway I utility alignments at Wallis Ranch and 59 were
assessed; 22 for the North Bridge area and 37 for the South Bridge area. Two
"trees" plotted for the South Bridge were not assessed; 570 was a fallen dead
limb and 572 was a dead tree.
The overall project will severely impact two or three large oak trees, a box elder
and a small elderberry at the north bridge and three moderately sized oak trees,
eight willows and two small elderberries at the south bridge requiring their
removal. Seventeen trees between the two sites will be moderately impacted
and will require properly implemented tree protection measures to extend their
lives, if possible, pending further evaluation in the field during construction. The
remaining 27 trees will be minimally impacted if at all by construction activities.
Trees 522, 523 and 524 at the north bridge are considered significant trees to the
project in recognition of their size, species, prominent location and proximity to
the proposed construction. Tree 522 will require removal, 523 can be preserved
with properly implemented tree protection measures and 524 has been selected
for wildlife habitat.
Due to its location and overall poor condition, tree 522 will not be suitable for
preservation. Its location would subject the tree to severe impacts from
construction activities. Roots will be damaged by both mechanical severing and
soil compaction within its dripline. The canopy would require reduction to
accommodate equipment and vehicles. Long term survival after construction is
yet another question. Rebounding would be difficult for this tree.
Ralph Osterling Consultants, Inc.
Tassajara Creek Bridges
10 August 2006
Page 6
Tree 523 is in overall fair condition and with its location, makes it a suitable
subject for preservation. Proper implementation of tree preservation measures
will minimize construction impacts to the tree and will extend its life.
Tree 524 is in overall very poor condition. Extensive decay of the root collar
exceeds acceptable levels of safety. Limbs and branches are also compromised
by decay. The tree's proximity to the proposed footpath and human activity has
made it a potential high-risk hazard. However, this is a desirable tree for
preservation as a wildlife habitat. Selective pruning and care with the proper
installation and monitoring of adequate safeguards will permit retaining this tree.
RECOMMENDATIONS
1. In discussions with the project engineer, MacKay & Somps,
reconfiguration of the roadway design to accommodate tree 522 will not
be feasible. Therefore ROC. recommends removal of tree 522.
2. Preservation of tree 523 will include: All work within a 35 foot radius of the
trunk or within the dripline of tree 523 (whichever is greater) must be done
by hand or with handheld equipment.
3. For reasons of safety, tree 524 was initially recommended for removal.
Proposed plans to preserve the tree as a wildlife habitat would require a
carefully designed barrier that would protect the public and wildlife and yet
provide a naturalized setting that would enhance this access to the North
Bridge. Preservation can be handled in two ways; Option A is to preserve
tree 524 as a standing tree and Option B is to preserve all or portions of a
fallen tree at it's current location or relocate to mitigation areas within the
stream corridor for wildlife and plant habitat.
Option A, as a standing tree:
1. Barrier: A continuous barrier shall be erected around the tree to
create a buffer area from the public.
2. The size and configuration of the buffer area shall be based
upon the approximate drop zone of the tree. This will have to
be determined in the field prior to construction.
3. This buffer zone is intended to protect wildlife nesting in the tree
and to protect the public from this unstable tree.
4. Signs: Warning signs will be posted to advise the public of the
inherent risk posed by the structurally compromised tree.
5. Information signs will be posted to inform the public of the
wildlife habitat created by preserving this tree.
Ralph Osterling Consultants, Inc.
Tassajara Creek Bridges
10 August 2006
Page 7
Option B, as a fallen tree:
1. Tree 524 would be carefully taken down.
2. Two scenarios are possible under this "fallen tree" option:
a. If retained at the existing site, barriers and signs as
described above are to be installed for reasons of public
safety and wildlife preservation, in which case the
Stability of the fallen tree should be tested by a qualified
tree service.
b. If reduced and transported to an area or areas of
mitigation, the barriers and signs will not be necessary.
4. All tree work is to be performed by a State of California Licensed Tree
Contractor working in accordance with the most recent editions of the
American National Standard for Tree Care Operations (Z133.1) and
Pruning (A300). All pruning to be performed or supervised by an ISA
Certified Arborist or Certified Tree Worker. We recommend employing a
qualified tree contractor experienced in the removal of large trees in
sensitive areas. Soil compaction, grade changes and runoff (or lack of
runoff) are significant factors to tree preservation efforts.
5. We highly recommend working with a qualified arborist or forester
(whether it is our firm or another) to implement and monitor a Tree
Preservation Plan.
R4Iph Osterling C(Jnsuft4nts, Inc.
Literature referenced:
American National Standard. Tree Care Operations (ANSI 133.1- ANSI A300 et
all) American National Standards Institute 11 West 42nd Street New York, NY
10036 c.1994
Harris, RW., Clark, J.R and Matheny, N.P. Arboriculture: integrated
management of landscape tree, shrubs, and vines.3rd ed. Upper Saddle River,
NJ: Prentice-Hall, Inc. c.1999
Matheny, N. and Clark, J. Trees and Development. A technical guide to
preservation of trees during land development. Champaign, IL: Wadley Graphix
Corp. c.1998
Shigo, A.L. A New Tree BioloQY. Durham, NH: Shigo and Trees, Associ~tes
c.1986
Sudworth, G.B. Forest Trees of the Pacific Slope. Washington, DC: U.S.
Government Printing Office, Issued 1908
08/24/06
Page 8
Ralph Osterling Consultants, Inc.
Table 1
Definition of Rating Terms
Ralph Osterling Consultallts, II/c.
Table 1
Definition of Terms
for
Overall Existing Tree Condition and Construction Impacts
Overall Existing Tree Condition
o Tree is dead.
Very Poor Tree is in severe decline or is structurally compromised.
Poor Tree is in decline, lacks vigor or exhibits certain structural defects.
Fair Tree is typical of species in the area.
Good Tree is vigorous with few visible flaws.
Very Good Tree is extremely vigorous.
Construction Impact Rating
The Construction Impact Rating considers the trunk proximity to proposed
construction, the proxim ity of the tree's canopy to proposed construction and the
overall condition of the tree.
L = Low or minimal impact to the tree is expected. Tree preservation measures may
or may not be necessary due to the location and overall condition of the tree.
M = Moderate impact to the tree is expected. Due to trunk or limb location protection
efforts such as barriers, pruning, and monitoring will be used to preserve the tree. Final
status of the tree will be determined in the field.
S = Severe impact is to the tree is expected. Due to the location or overall condition,
removal of the tree cannot be avoided.
08/24/06
Page 9
Ralph Osterling Consultants, Ine.
Table 2
Tree Condition Chart
Ralph Osterling Consultants, Inc.
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(V)
wendix 1
Photo Exhibit
Ralph Osterling Consultants, Inc.
Photo Exhibit
Wallis Ranch -Tassajara Bridges
Dublin, California
~..
, .
. A-.._" ~. .
I ._ ..
I
..~ 6;" ""
~ .. - ,.
't
,
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-1 :
Phot01 - Tree 522. Note the easterly trunk lean at the corner of this photo
looking to the north. The circled markers are placed approximately 10 feet
apart beginning from the face of trunk. Lateral distances are shown in photo
2.
08/24/06
A
Ralph Osterling Consultants, Inc.
Photo Exhibit
Wallis Ranch -Tassajara Bridges
Dublin, California
..-
o
Photo 2 - Tree 522. Distances from face of trunk are indicated above. The
orange pylon is the approximate edge of the dripline on the north side of the
tree.
08/24/06
B
Ralph Osterling Consultants, Inc.
Photo Exhibit
Wallis Ranch - Tassajara eridges
Dublin, California
Photo 3 - Tree 524. Circled are three large cavities visible on
this side of the tree. Branches and limbs display a number of
other cavities that have compromised the tree's structure.
Please see photos 4 and 5 for photos of the base of the tree.
08/24/06
C
Ralph Osterling Consultants, Inc.
08/24/06
Photo Exhibit
Wallis Ranch -Tassajara Bridges
Dublin, California
Photo 4 - Tree 524. The golden brown color indicates the
presence of decay girdling the west side of the root collar.
~
t.
f.. _
i0
III
Photo 5 - Tree 524. The golden brown color indicates the
presence of decay girdling the east side of the root collar.
D
Ralph Osterling Consultants, Inc.
fillpendix 2
Tree Location Maps
Ralph Osterling Consultants, Inc.
0.52%
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Prof He Grade
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FG
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70'-0"
65' 0"
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Abut 4
Datum E/ev.
390.00
I
6+50
I
6+00
I
5+00
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I
4+00
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5+50
Elevation
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Jeffrey A. Finn
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LOC
WALLIS RANCH - NORTH BRIDGE
PERMIT DRAWING S-1
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Finn Design Group, Inc.
Structural Engineers
Timoth
Timoth
DESIGN
E. Elliott Je ffre A. Finn LOAD FACTOR
DESIGN
E. Elliott Jeffre A. Finn LAYOUT
E. Elliott Jeffre A. Finn SPEaFlCAOONS
ORIGeNAl SCAlE IN INCHES
FOR REDUCED PlANS
DETAILS
DAm.-
FDG
5976 W. Las Positas Blvd., Suite 222
Pleosonton. CA 94588-8506
OfFlCE (925) 737-1600
fAX (925) 737 1601
COY ENCINEER
;,;
~ Roadway ----j I ~ Roadway Control Line
146'-9"
1'-0"
16'-0"
12'-0"
10'-0"
Concrete
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Water Surface Elevations
Legend
Flow
Item
Elevation
02
010
0100
413.8
414.6
419.0
FG
OG
BB
EB
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BRIDGE NO.
POST MILE
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Description
Indicates New Structure
Indicates OG & FG
Finished Grade
Original Grade
Beginning of Bridge
End of Bridge
Tree Tag Number: No Impact
Tree Tag Number: Low Impact
Tree Tag Number: Moderate Impact
Tree Tag Number: Severe Impact
12"0 Utility Opening
Future Utility Openings
DISREGARD PRINTS BEARING
EARUER REVISION DATES
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(i Roadway I
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8'_ON
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60'-ON
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TVDical Section (Lookina Downstation)
SCALE: 1"=10'
Water Surface Elevations
Legend
Abut 4
Datum Elev.
390.00
I
7+00
I
6+50
I
6+00
Elevation
SCALE: 7"=20'-0"
I
5+50
I
5+00
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Elevation
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D Finn Design Group, Inc. DESIGN Timoth E. Elliott Jeffre A. Finn LOAD FACTOR BRIDGE NO. WALLIS RANCH SOUTH BRIDGE
DESIGN -
~~~~~JH~=~OR Structural Engineers Jeffrey A. Finn
DETAILS Timoth E. Elliott Jeffre A. Finn lAYOUT A. Finn
.. OMISSIONS. fI'W.. NtPROVotrL. Of' CONSTRlJCTi()N OR folSTAl..LATlOH """"" ......... POST MILE
S\.BIECT 10 INSPECOOH TEST NfO ACCEPTN<<:E. PERMIT ORA WING S-1
c 5976 W. Los Posltas Blvd.. Suite 222 QUANTITIES Timoth E. Elliott Jeffre A. Finn SPECIFICATIONS A. Finn LOC
~ Ploosanton. CA 94588-8506
atY ......... tM\1~ FOG OI'FICE (925) 737-1600 ORICINAl SCAlE IN INCHES I CU OF
DISREGARD PRINTS BEARING
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323 Gelll')' SI "ECTS
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Dublin, California
Site Development
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Wallis Ranch
Dublin, California
Site Development
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PROJECT NUMBER:
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DATE ISSUED: 12.22.06
SOUTH BRIDGE
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BIKE GUARDRAIL ELEVATION
323 Gear) Slreet. Suile 407
S,," Fruf)(i"'''.CA '14101
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SItEET Nt'MllER:
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H. T. HARVEY & ASSOCIATES
ECOLOGICAL CONSUL TANTS
MEMORANDUM
PROJECT# 555-41
December 14,2006
TO: Connie Goldade
FROM: Pat Reynolds
SUBJECT: Tree Impact Mitigation for Dublin West Project
Tree impacts associated with the construction of the two bridges over Tassajara Creek will be
mitigated on-site through the replanting of native riparian trees and shrubs in five locations along
Tassajara Creek (Figure 1). Loss of riparian habitat, including all trees and shrubs removed or
pruned within the bed and banks of Tassajara Creek, will be mitigated at a 3: 1 (mitigation:impacts)
ratio.
Site Preparation
Little if any grading will be required at mitigations sites I, 2, 4 and 5. Mitigation site 3 will
require grading along the banks and potentially upper floodplain to stabilize the slope and provide
a suitable planting area for plant establishment.
Site Design
Mixed riparian woodland vegetation will be established throughout the mitigation sites where no
woody vegetation currently exists. Soil conditions at Mitigation Sites 1, 2, and 3 have already
been investigated and a soil amendment protocol has been determined. Phosphorus and gypsum
will be added to the upper 6 inches of soil at sites I and 2. The downslope portion of site 3 does
not require any soil amendments; however, the upslope portion of the site will likely require over-
excavation of the sub-soil and placement of salvaged and/or imported topsoil. Any necessary
amendments to the topsoil will be evaluated prior to implementation. The soil at sites 4 and 5 will
require sampling and a laboratory analysis to determine any necessary amendments. It is expected
that no soil amendments will be necessary.
Planting Plan for Areas Within Bed and Banks
Following site preparation, mixed riparian woodland vegetation will be planted at the four
mitigation sites. Table 1 lists the potential species to be planted, their approximate spacing, and
appropriate container size. The exact location of the plantings will be determined during the
detailed design phase of the project.
]
San Jose Office
3150 Almaden Expressway, Suite ]45
San Jose, CA 95] 18 . 408-448-9450 . Fax: 408-448-9454
Table 1. Potential S
Common Name
California bucke e
box elder
valle oak
Fremont cottonwood
California rose
co ote brush
Pacific blackberr
red willow
arro 0 willow
common snowbe
H. T. HARVEY & ASSOCIATES
ECOLOGICAL CONSUL TANTS
Aesculus cali ornica 12
Acer ne undo 14
Platanus racemosa 16
uercus lobata 16
Po ulus remontii 16
Rosa cali ornica 8
Baccahris ilularis 8
Rubus ursinus 8
Salix laevi ata 12 ot
Salix lasiole is 10 ot
Sambucus mexicana 12
Symphoricarpos albus var.
laevi atus 8 dee ot
All disturbed areas will be hydroseeded with an appropriate mix of native grass seed. Table 2 lists
the proposed seed mix.
a e a lve rass lV( rosee IX.
Scientific name Common Name Pounds of Pure Live Min % Germination
Seed/Acre
Bromus carinatus California brome 25 80
Elymus glaucus blue wildrye 14 80
Eschscholzia California poppy 2 70
californica
Lupinus succulentus arroyo lupine 10 85
Vulpia microstachys three week fescue 14 80
T bl 2 N f G
Hd
dM'
Details on plant procurement and installation are included in the existing Dublin West Riparian
Mitigation Plan (H.T. Harvey & Associates 2006, pages 27-28). Maintenance and monitoring of
the mitigation site plants will be consistent with the Maintenance and Monitoring Plans in the
Riparian Mitigation Plan (pages 29-37). Although this plan is in the process of being updated, the
maintenance measures described in this plan will remain the same.
Planting Plan for Areas Outside the Bed and Banks
Impacts to trees outside of the bed and banks of the creek will be mitigated through the replanting
of trees within the Tassajara Creek Private Open Space or elsewhere within the project. A
preliminary landscape planting plan for those trees planted within the Private Open Space Area has
2
San Jose Office
3150 Almaden Expressway, Suite 145
San Jose, CA 95118. 408-448-9450 . Fax: 408-448-9454
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H. T. HARVEY & ASSOCIATES
ECOLOGICAL CONSUL TANTS
been completed and submitted to the City of Dublin by the project's landscape architect and
includes the planting of approximately 115 valley oaks and 75 coast live oak (pers. comm.Goldade
2006). The placement of trees in this area needs to be reviewed to determine that they meet the
spacing of the City's Wildland Fire Management Zone. Tree quantities may be lost during this
review process with the Fire Department.
References
Goldade, Connie. 2006. Email correspondence dated August 11, 2006.
H.T. Harvey & Associates. 2006. Dublin West Riparian Mitigation Plan. Dated May 16,2006.
Project Number 555-41.
3
San Jose Office
3 I 50 Almaden Expressway, Suiie 145
San Jose, CA 95 I 18 . 408-448-9450 . Fax: 408-448-9454
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Certification of Performance
That I have personally inspected the tree(s) and lor property referred to in this report and
have stated my findings accurately. The extent of the evaluation and appraisal is stated
in the attached report and the Terms and Conditions;
That I have no current or prospective interest in the vegetation or the property that is the
subject of this report and I have no personal interest or bias with respect to the parties
involved;
That the analysis opinions and conclusions stated herein are my own and are based on
current scientific procedures and facts;
That my compensation is not contingent upon the reporting of a predetermined
conclusion that favors the cause of the client or any other party nor upon the results of
the assessment the attainment of stipulated results or the occurrence of any subsequent
events;
That my analysis opinions and conclusion were developed and this report has been
prepared according to commonly accepted Arboricultural practices;
I further certify that I am a Registered Consulting Arborist affiliated with the American
Society of Consulting Arborists (ASCA), a member of the International Society of
Arboriculture (ISA) and an ISA Certified Arborist.
Disclosure Statement
Arborists are tree specialists who use their education, knowledge, training and
experience to examine trees and recommend measures to enhance the beauty and
health of trees and attempt to reduce the risk of living near trees. Clients may choose to
accept or disregard the recommendations of the arborist or to seek additional advice.
Arborists cannot detect every condition that could possibly lead to the structural failure of
a tree. Trees are living organisms that fail in ways we do not fully understand. Certain
conditions are often hidden within trees or below the ground. Arborists cannot
guarantee that a tree will be healthy or safe under all circumstances or for a specific
period of time. Likewise remedial treatments cannot be guaranteed.
Trees can be managed but they cannot be controlled.
some degree of risk.
Signed:
Ralph Osterling Consultants, Inc.
Ralph Osterling Consultants, Inc.
TERMS AND CONDITIONS
The following terms and conditions apply to all oral and written reports and correspondence pertaining
to the consultations, inspections and activities of Ralph Osterling Consultants, Inc. hereinafter referred
to as "ROC".
1. Any legal description provided to the consultant is assumed to be correct. No responsibility is
assumed for matters legal in character nor is any opinion rendered as to the quality of any title.
2. It is assumed that any property referred to in any report or in conjunction with any services
performed by ROC, is not in violation of any applicable codes, ordinances, statutes, or other
governmental regulations, and that any titles and ownership to any property are assumed to be good
and marketable. Any existing liens and encumbrances have been disregarded.
3. Possession of this report or a copy thereof does not imply any right of publication or use for
any purpose, without the express permission of the consultant and the client to whom the report was
issued. Loss, removal or alteration of any part of a report invalidates the entire appraisal/evaluation.
4. The scope of any report or other correspondence is limited to the trees and conditions
specifically mentioned in those reports and correspondence. ROC and the consultant assume no
liability for the failure of trees or parts of trees, either inspected or otherwise. The consultant assumes
no responsibility to report on the condition of any tree or landscape feature not specifically requested by
the named client.
5. No tree described in this report was climbed, unless otherwise stated. We cannot take
\, responsibility for any defects, which could only have been discovered by climbing. A full roots collar
inspection, consisting of excavating the soil around the tree to uncover the root collar and major
buttress roots was not performed unless otherwise stated. We cannot take responsibility for any root
defects, which could only have been discovered by such an inspection.
6. The consultant shall not be required to provide further documentation, give testimony, be
deposed, or attend court by reason of this appraisal/report unless subsequent contractual
arrangements are made, including payment of additional fees for such services as described by the
consultant or in the fee schedules or contract.
7. ROC guarantees no warrantee, either expressed or implied, as to the suitability of the
information contained in the reports for any purpose. It remains the responsibility of the client to
determine applicability to his/her particular case.
8. Any report and the values, observations, and recommendations expressed therein represent the
professional opinion of the consultants, and the fee for services is in no manner contingent upon the
reporting of a specified value nor upon any particular finding to be reported.
9. Any photographs, diagrams, graphs, sketches, or other graphic material included in any report,
being intended solely as visual aids, are not necessarily to scale and shOuld not be construed as
engineering reports or surveys, unless otherwise noted in the report. Any reproductions of graphs
material or the work produce of any other persons is intended solely for the purpose of clarification and
ease of reference. Inclusion of said information does not constitute a representation by ROC or the
consultant as to the sufficiency or accuracy of that information.
10. Trees can be managed, but they cannot be controlled. To live near trees is to accept some
degree of risk. The only way to eliminate all risk associated with trees is to eliminate all trees.
11. Payment terms are net payable upon receipt of invoice. All balances due beyond 30 days of
invoice date will be charged a service fee of 1.5 percent per month (18.0% APR). All checks returned
for insufficient funds or any other reason will be subject to a $25.00 service fee. Advance payment of
fees may be required in some cases.
Ralph Osterling Consultants, Inc.