HomeMy WebLinkAbout8.5 AgmtRevHansenRchDev
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CITY CLERK
File # D~[Q[Q]-~[QJ
. AGENDA STATEMENT
CITY COUNCIL MEETING DATE: February 9, 1999
SUBJECT: Annual Review of Hansen Ranch Project Development Agreement
(Report Prepared by Eddie Peabody, Jr., Community Development
Director)
ATTACHMENTS: 1. Resolution 11'1-97 - 3rd Amendment to the Hansen Ranch
Project Development Agreement
2. Letter from Warmington Homes (January 11, 1999)
3. Phasing Exhibit for Hansen Hill
4. Streambank Restoration Project Map
5. Various State and Federal Permit Approvals
6. LSA as-built report (January 7, 1999) regarding improvements
done to Martin Creek in 1998
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RECOMMENDATION: /7 !\JJ. 1. Review progress of Hansen Ranch conditions of development by
( ~ Warmington Homes
2. Approve staff recommendation to release 9 building pem1its
now, 12 at the commencement of 1999 Martin Creek Stream
improvement and the final 24 at the completion of all Martin
Creek improvements as determined by the Director of Public
Works.
FINANCIAL STATEMENT:
BACKGROUND:
An annual review of the Hansen Ranch Development Agreement is required. Below is a status report on
conditions of development for this project.
Since 1992, the Development Agreement for the Hansen Ranch project has required that Martin Creek
Stream Improvements be completed as a part of this project. Great difficulty in obtaining State and
Federal agency approvals for the creek improvements has occurred since that time.
The 3rd amendment to the Development Agreement was approved by the City Council in October, 1997.
That agreement had the following requirements:
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COPIES TO:
Warmington Homes
In-House Distribution
ITEM NO.
8.;
g:agenda/1999/2-2-99 cc agdstmt Hansen Ranch
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RESOLUTION NO. 117 - 97
A RESOLUTION OF THE CITY COUNCIL
OF THE CITY OF DUBLIN
APPROVING THE THIRD A1\ffi1'\'TIMEI\'T TO THE
HANSEN R4.NCH PROJECT DEVELOPM::ENT AGREKMENf (pA 91-009)
A:ND A UTHORlZING MA. YOR TO EXECUTE A~{E~l)MENT
\VBEREAS, The City of Dublin and California Pacific HOJ;Iles, Inc., formerly kno\\'n as the Donald
L. Bren Company, previously entered into a Development. Agreement for the Hansen Hill Ranch project .
dated :March 25, 1992; and as amended on February 27, 1995 and September 17, 1996. and
\VHEREAS, California Pacific ~omes, Inc., requests approval of a Development Agreement
}U:Dendment to modiiY Condition No. (a.) of Subparagraph 5.3.2. of Exhibit "B" orCity of Dublin
Development Agreement for the Hansen Hill Ranch project. The proposed modification 'Will allow
occupancy of a limited number of homes in Phase IT and for issuance ofbuilding permits up to the 135th
unit prior to the completion of creek improvements, construe-Jon of the access road, and access trail
referred to in the Conditions below; and ",111 give the City certain financial assurances should the necess3J.-Y
creek L."1lprovements not be underway by July 1, 1998, and
\VHEREAS, California Pacific Homes, Inc. has notified the City of its intent to sell its L."1terest in
tbe property to V{at-mington Homes, at"1d
WHEREAS, A copy of the proposed Development Agreement A.mendment is attached hereto as
Attachment A; and
\VHEREA.s, Public hearings on the proposed Development Agreement amendment are not
required as the proposed amendment to conditions relates to timing of construction and is therefore
determined to be minor in the conte),.""! of the project as a whole; and
\VREREAS, a staffreport was submitted recommending approval of the proposed.Development
_~eement iunendment; and
"WHERE..o\S, The City Council has considered the staff recommendation, the Agenda Statement,
a...,d all testimony received at the City Council meeting; and
\VHEREA..S, the application has been reviewed in accordance with the provisions of the California
Environmental Quality Act (CEQA) and it has been determined that there would be no possible
environmental impacts resulting from the propcsed cQange in the Development Agreement condition, and
therefore a Notice of Exemption has been prepared pursuant to the State CEQA Guidelines, and the City
of Dublin Environlnental Guidelines; and
NOW, THEREFORE, BE IT RESOLVED THAT Tf[E Dublin City Council does hereby find
that:
1.
Said Agreement is consistent -with the objectives, policies, general land uses and prograIT'.5 specified
in the General Plan in that a) the project approvals of said Agreement include a General Plan
Amendment adopted specifically for the P...ansen Hill Ranch project, and b) said Agreement furthers
the mordable housing, parks, and open space policies of the General Plan; ATTACHMENT -1
2.
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Said Agreement is compatible with the uses authorized in, and the regulations prescribed for the
land use district in which the real property is located in that the project approvals include a Pl2.J.uJed-
Development Rezoning adopted speci:fical1y for the Hansen Hill Ranch Project;
Approval of this Development Agreement amendment is subject to the applicant ;ecuring .
administrative approval from the Community Development Director for the proposed amendm...
to related Tentative Map conditions, as provided in Section 9.4 of the Development Agreement.
3"
BE IT Fli"RTHER RESOLVED THAT THE Dublin City Council does hereby approve PA 96-
035 Hansen Ranch Development Agreement Amendment as sho'Yt'Il in Attachment A,. dated -
September 17, 1996, and authorizes the :Mayor to sign it, subject to the following condition:
1. Continued Effect ofDeveloDment Al2Teement. Except as e"-"pressly modified in this Third
Amendment, the Development Agreement remains unmodified and in full force and effect.
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\\Tjthin ten days after the Development Agreement is executed by the :Mayor, the City Clerk shall submit
the agreement to the County recorder for recordation.
P_~SED, APPROVED _~"'D ADOPTED by the City Council of the City of Dublin on this 7th day
of October, 1997, by vote as follows:
A i'"ES:
Ccr..mcilmembers Bames, Burton, H(JlJ,lard, Lockhart an.d_~1ayor Houston
NOES:
None
ABSTh'T: None
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ABSTA.IN: None
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V MA..YOR
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CITY itLERK '-
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RESOLUTION NO. 118 - 97
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A RESOLUTION OF THE CITY COUNCIL
OF THE CITY OF DUBLIN
A RESOLUTION OF THE CITY OF DUBLIN i\.PPRO'VLNG ASSIGNMENT
OF K-lliSEN HILL RlliCH DEVELOPMENT AGREEMENT
Recitals
\VBEREAS, the City ~fDublin and California Pacific Homes, Inc. are parties to a Development
Agreement; .and
\VREREAS, California Pacific Homes desires to assign its rights and obligations under the
Development Agreement to \Vannington Homes, a corporation; and
\VHEREAS, Section 16 of the Development Agreement allows for an assigrunent subject to
approval of the City Council; and
\VHEREAS, the City Council has considered the proposed assignment, as described in the
September 22, 1997 letter from California Pacific Homes' President to the City :Manager and \Varmington
Homes' September 25, 1997 letter to the City Manager.
. NOW THEREFORE, THE CITY COUNCIL DOES RESOLVE AS FOLLO\VS:
The assignment of California Pacific Homes' rights and obligations under the Development
Agreement, as amended, to Warmington Homes is approved and all obligations of the "Developer" under
the Development Agreement, as amended, from the Effective Date of the Development Agreement shall
become obligations of\Varmington Homes from the date the assignment becomes effective.
BE IT FURTHER RESOLVED THAT this approval shall be conditioned upon (1) Vhrmington
Homes providing City with written notice of the date of the assigrunent and (2) 'Warmington Homes
providing City with insurance certificates as required by the Development Agreement prior to the effective
date of the assignment.
PASSED, .APPROVED AND ADOPTED by the City Council of the City of Dublin on this 7th day of
October, 1997, by vote as follows: ,
AYES:
Councilmembers Bames, Burton, Ho"ward, Lockhart lIndMayor Houston
NOES:
None
.-\BSENT:
None
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.-\BSTAJN: None
ATTEST: daD-a ~ cL
\ CITY CLERK-
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RECORDING REQUESTED BY
AND WHEN RECORDED RETURN TO:
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City of Dublin, City Clerk
100 Ciyic Plaza Drive
P.O. Box 2340
Dublin, CA 94568
Space Above This Line Reserved For Recorder's Use
THIRD AMEND1\lENT TO AGREEl\1ENT
BETWEEN THE CITY OF DUBLIN
AND
CALIFORNIA PACIFIC Ho.MES, INC.
REGARDING
THE HANSEN HILL PROJECT
THIS AMENDMENT ("Amendment") dated for identification as of Of WJiA ) 7. 1997, is
entered into by and betvveen the City of Dublin, a municipal corporation ("City"), and California Pacific .
Homes, Inc., successor in interest to the Donald 1. Bren Company, and its successprs and assigns
("Developer")
RECITALS
A. On or about March 25, 1992, City and Developer's predecessor in interest, the Donald L. Bren
Company, entered into that certain Development Agreement/City of Dublinfar the Hansen Hill Ranch
Project, as amended on February 27, 1995, and September 17, 1996 (the "Development Agreement").
B. The Development Agreement contains certain provisions relating to the timing of public
improvements to Martin Canyon Creek, the fulfillment of which have been delayed due to ongoing
discussions with the Regional Water Quality Control Board, San Francisco Bay Region ("R WQCB"),
relating to the final design of such public improvements previou~ly approved by City.
C. Because such delays are and have been beyond the reasonable control of Developer, the parties
now 'wish to amend the Development Agreement to ensure that (i) adequate security is provided for the
construction and dedication of such public improvements and (ii) Developer may proceed with
construction of the Hansen Hill Ranch subdivision.
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AGREEMENT
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NOW THEREFORE, in consideration of the mutual coven~ts and promises set forth herein, the
receipt and adequacy of which are hereby acknowledged, the parties hereto hereby agree to amend the
Development Agreement as follows:
1. Modification of SubDaralZraDh 5.3.2 (a). Condition (a) of Subparagraph 5.3.2 of Exhibit B
of the Development Agreement is hereby modified to read as follows:
- "DEVELOPER" shall construct an 8-foot wide aggregate base access trail (the "Access Trail") over the
Property along Manin Canyon Creek as described in Condition No. 76 to the CITY'S approval of the
Tentative Map for PA 89-062 ("Condition 76'} and as modified in various conditions ofth.e CITY'S
approval of Tentative Map Amendment for PA 94-054 and for Tentative Map .t\mendment PA 95-007.
The aggregate-base access road (the "Access Road") proposed along the north side of the creek and east
of Martin Canyon Road shall be 12 feet wide. The width of the Access Road may be reduced in some
limited areas where needed for tree preservation, but the Access Road shall be no less than 8 feet wide in
these limited segments.
The improvements to Martin Canyon Creek (the "Creek Improvements"), and those portions of the
Access Road affecting same, shall be designed and constructed in compliance with the requirements of the
R V/QCB and other state and federal agencies with relevo.nt jurisdiction.
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DEVELOPER shall offer to dedicate to CITY (i) the Access Trail, together with that portion of the
Property lying bet\veen the fence to be constructed by Developer pursuant to Condition 76 and the
northern boundary of the Property, and (ii) any and all portions of the Access Road (to the northern
boundary of the Property) and the Creek Improvements that may have been constJ1lcted by DEVELOPER
at the time of dedication. All such property offered ~o be dedicated is referred to below as the "Dedication
Property". The Dedication Property shall be offered to be dedicated to CITY upon (i) completion of
construction by DEVELOPER of the Access Trail, the Access Road and the Creek Improvements or, (ii)
if DEVELOPER has not by July 1, 1998 received the "Required Creek Approvals" (defined below) and
executed the "Creek Improvement Contrac!" (defined below), such later date as may be determined by the
parties as set forth more fully below. \\Then the Dedication Property is accepted by CITY, CITY will be
fully responsible for the ownership, operation and maintenance of all improvements therein.
DEVELOPER and CITY acknowledge and agree that the design and construction of the Access Road, the
Access Trail and the Creek Improvements are or may be subject to the approval of the RWQCB (as
required by Section 401 of the Clean Water Act) and the United States Fish and Wildlife Service
(pursuant to Section 7 of the federal Endangered Species Act). QEVELOPER and CITY acknowledge
and agree that from and after the date hereoftbrough July 1, 1998, while DEVELOPER is seeking such
approvals (collectively, the "Required Creek Approvals"), DEVELOPER shall have the right to the
issuance of building permits for the Hansen Hill Ranch project up to and including the 135th building
permit (i.e., the 63rd unit in Phase II).
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If at any time on or before July 1, 1998, DEVELOPER has (i) obtained the Required Creek Approvals and
(ii) delivered to CITY a copy of an executed contract for the construction of the Creek Improvements (the
"Creek Improvement Contrac!"), then thereafter CITY immediately shall process the remaining building
permits for the Hansen Hill Ranch project as submitted and CITY'S building department shall, provided
applicable legal requirements are satisfied, issue such permits as and when requested by DEVELOPER.
If DEVELOPER has not obtained the Required Creek Approvals and delivered to CITY a copy of an
executed Creek 1m rovement Contract n or bet; ul 1 I998 then DEVELOPER shall. on Julv 1.
, . c::;:..(C\ or o'j
1998) replace the bond for the Access Road) the Access Trail and the Creek Improvements previously
provided to CITY \vith a letter of credit) bank deposit or other cash security in a form acceptable to the
Public Works Director and in an amount equal to one hundred thirty percent (130%) of the projected cost
of constructing the Access Road, the Access Trail and the Creek Improvements m accordance v.ith the last
set of plans for such improvements submitted before July 1, 1998 to the agencies from which .
DEVELOPER is seeking the Required Creek Approvals. No building permits beyond the 135th building
permit shall be released or issued by CITY until such time as DEVELOPER and CITY have met to
develop a mutual understanding as to the most appropriate means of ensuring the construction of the
Access Road) the Access Trail and the Creek Improvements. City Council approval of any such
understanding shall be required prior to the release or issuance of building permits beyond the 135th
buildi?g permit. ,
If the Required Creek Approvals are issued and the Creek Improvement Contract is executed on or before
July 1) 1998, but Developer fails to complete construction of the Access Road and the Creek
Improvements by January 1) 1999) the City shall stop issuance of any building permits as of that date and
then CITY may (i) serve written notice to DEVELOPER that CITY has elected to complete such
construction) (ii) demand the offer of dedication of the Dedication Property and (iii) draw dOViTI or
othenvise avail itself of the full amount of the security currently held by CITY for the work, and upon
dedication and acceptance of the Dedication Property, complete construction of the Access Road, the
Access Trail and the Creek Improvements. The City Council shall then approve any Resolution of this
failure to complete the project and shall decide what further action is required.
All work associated v.ith the Access Road, the Access Trail and the Creek Improvements shall be
performed in accordance with the requirements of the Exhibit B to the Development Agreement.
2. Continued Effect of Deve10pment A~reement. Except as expressly modified in this Third .
Amendment, the Deyelopment Agreement remains unmodified and in full force and effect.
IN \VITNESS WHEREOF, the parties hereto have cause this Agreement to be executed as of the date and
year first above written..
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CITY OF DUBLIN
CALIFORNIA PACIFIC HOMES, INC.
By:
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Guy S. ton, Mayor
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(Notarization Attached)
Approved as to form:
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Elizabeth H. Silver, City Attorney
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WARM!NGTON HOMES
Rr!CEIVED
.: JlI~l 1 3 1999
DUBliN PLANNiNG
January 11, 1999
Mr. Eddie Peabody
City of Dublin
100 Civic Plaza
P. O. Box 2340
Dublin, CA 94568
Re: Development Agreement! Martin Canyon Creek! Hansen Hill Project
Building Permits
Dear Mr. Peabody:
Thank you for meeting with us to discuss the issue of the Martin Canyon Creek
Improvements and the building threshold limits in Tract 6308. As you are aware the
Development Agreement states the following:
No building permits beyond the 135th building permit shall be released or issued
by CITY until such time as DEVELOPER and CITY have met to develop a mutual
understanding as to the most appropriate means of ensuring the construction of the
Access Road, the Access Trail and the Creek Improvements. City Council approval of
any such understanding shall be required prior to the release or issuance of building
permits beyond the 135th building permit.
If the Required Creek Approvals are issued and the Creek Improvement Contract is
executed on or before July 1, 1998, but Developer fails to complete construction of the
Access Road and the Creek Improvements by January 1,1999, the City shall stop
issuance of any building permits as of that date ........
CREEK APPROVALS
Due to the nature of the project it took considerable time and effort to obtain the
necessary approvals from the Agencies. I have enclosed copies of the required
Agency Project approvals, as follows:
. California Department of Fish & Game, Stream Alteration Agreement - received
May 29, 1998
. Regional Water Quality Control Board Waiver - received July 28,1998
. Army Corps of Engineers Permit - received September 21, 1998
.~.IT.~CHME'.rf J
3160 Crow Canyon Place, Suite 200. San Ramon. CA 94583. Telephone (925) 866-6700. Fax
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Mr. Eddie Peabody
January 11, 1999
Page Two
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CONSTRUCTION SCHEDULE
On September 21, 1998 we started construction within the jurisdictional limits
immediately upon receipt of the Corps' permit. However, the Agency's permit
conditions allows for construction between April 1 to October 15, 1998. After requests
for time extensions we were allowed to continue construction through October 20,
1998. (See enclosed as-built report prepared by LSA Associates.) We will begin
construction within jurisdictional limit of the Creek (item 3 below) in the spring of this
year and will complete them by October 1999. Areas outside the Creek (items 4, 5, 7
& 8 below) will begin through the winter as weather permits.
The following is a summary of the Martin Canyon Creek Project status and our proposal
for the release and issuance of the remaining 45 building permits.
MARTIN CANYON CREEK PROJECT STA TUS SUMMARY
Total Percent Amount Complete
Description Cost Complete to Date
1) Hiking Trail $42,500 100% $42,500
2) Access Road $40,088 100% $40,088 .
3) Bank Stabilization Improvements $300,000 34% $102,000
4) Silvergate Drive Improvements $74,745 0% $0
5) Access Roadl Spillway for Flood Wall $7,250 0% $0
6) Martin Canyon Creek Crossing $30,968 100% $30,968
7) 2-Hiking Trail Crossings (incl. CLF.) $66,661 34% $22,716
8) Silvergate Drive Storm Drain Lateral $22,842 0% $0
Intercept Improvement
9) Hiking Trail Retaining Wall $14,492 0% $0
(behind Lot 9 & 10)
10) Remaining Bond Estimate Contingency $7,061
SUBTOTAL $606,607 39% 180,700
11) Consultant Fees $306.543 92% $282.334
TOTAL $913,150 57% $420,666
PROPOSAL FOR ISSUANCE OF BUILDING PERMITS
. Phase II Permits (12 Total) - Based on improvements completed to date and upon
City Council Approval on February 2, 1999 ...... issue permits on February 3,1999.
. Phase III Permits (9 total) - Issue permits with start of creek construction spring
1999 .......issue permits no early than April 15, 1999.
. Phase IV Permits (12 total) - Issue permits upon the completion of the Silvergate
Drive Improvements, Access Road for Flood Wall Spillway and Storm Drain Lateral
Intercept Improvements ......estimated completion date of June 15, 1999.
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Mr. Eddie Peabody
January 11, 1999
Page Three
. Phase V Permits (8 total) - Issue permits upon the completion of the Hiking Trail
Retaining Wall behind lot 9 ......estimated completion date of July 15,1999.
. Phase VI Permits (4 total) - Issue permits upon the completion of the Creek
Improvements ......completion date no later than October 15, 1999.
Dominic Pie
Project Manager
Northern California Division
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JUL-3H8 13:36
F~O~iI'ARLlIN(iTON HOl,lES
510-366-6744
T-5i3 P.Ol/03 F-)60
.
e
CalfE?A
~ of Calrfomia - P.r. WilSOn. Governor
/? if y'
San Francisco Bay RegIonal Water Quality Control Board
2101 Webster Street. &he seO. Oakland. CA ec&12 (510) 286--1255 Fax: 2ee-1380
Mr. Dominic Pieri
WaI"ID;ington Homes
3160 Crow Canyon Place. Suire 200
San Ramon. California 94583
R . JUL 2 B 1995
~Nd:1.~ll(DCB)
JUL C"
~ ~ ~ lS59
/\'U ~
"-.
-.
. . ._'"
SLlbject:
Waiver of Waste Discharge Requirements and Water Qu.aI:1Y .ce. '. ;~~;i()I1
for Stabilization (Grade CoIrtrol and Bank RevenneI1t) of Martin ('2.0ycn
Creek - Dublin, Alameda County
Dear Mr. Pieri:
.
We have revie'..."",A. :""- proposed project to stabilize Marrin Canyon Creek in the: vicinity of
pn:viously plac~d snuc1Ure:S, an emergency access road and a sewer line which were placed
tOO close to me Creek previously. It is aur hope that this type of impact to creeks and riparian
habitat can be avoided in the fuIUIe by more prudem planning a.n.Q, establisbmc:nt of riparian
buffer zones to preserve our few remaining biologically viablt: riparian wetlands. The .pruject
calls for the fill oi o.~'~ Clean Water Act Set."[ion 404 jurisdiction warer bodies within
y.._" rrid SeU \d __1' bil' . and
~ npanan co or. gra e cootrol strucrures, 21 bou~ sea lZanon revetmentS,
one clear span bridge COIlStrUctt:d. ArCh culverrs over twO tributaries will car~)' i1
biking trail, one storm drain outfaU will be armored, and a tlood wall will be constrUCted
above the existing culvert under Silvergate Drive. In addition, one oxbow of Marthl Canyon
Creek will be re--aligned where an emergency acceSS road is thre:l1tened.
TIle overall design is impressive, with revetmentS designed to minimize excavation and avoid
damage to the roots of the riparian trees. The use of concrete and grOUt has essentially been
eliminated, and willow stakes are included along with extensive stabilizing plantings.
Tree preservation nlan
This typ!: of construction is somewhat uncommon at this rim!:, and requIres special skills of
the contrdcror. We understand that thc: Deparrmem of Fish and Game agency represen14tive
and the design and biological resource consultants have been 'Working closely with the
constractor an a tree preservation and miti1:ation plan and an ing.ress-egress plan [0 mini",i7c
damage to the riparian trees. We cannot StreSS enough how impOrtant it is to preser:ye -these
trees as they are the primary stabilizing srrucrure fur the Creek. For this reason, we are
conditioning this ceniflCaOon with a requirement that 2I1 an-site tree plan monitor with
biological expertise be presem for the entire time that 'Work with equip~nt with the capacitY
. to damage the trees is employed in the Cn:ek.
Ovr mission is 10 prtxrw tlIId mhanc, rhe qtlaliry of 1M 'WQttT reSDVrCtS ofth~
San Ff'QllCl#o Bay Rtgionfor dr, btMfil ofpnZllt tJrldpfJlJ't re'.
ATIACHMEt~T 5
JUL-~O-ga 13:3&
F~O~WARLlINGTON HO~S
510:-355-57o!~
i-5i3 ?03/03 F-160
l! l' </1
page 2
TIle Army Corps of Engineers bas determined that the project requires an individual permit .
pursuant to Section 404 of rbl: Clean Warer Act (33 U .S.C, 1344). An Army Corps of
Engineers Public Notice No. 19193S was issued Apf1:i'""'30J 1998.
. ~ ;Al;:.? . . .
Y au have appl1ed for a Clean Water Act Section 40 1 water qualny cemficanon that the
proposed project will nor violate State warer quality standards. Pursuant to Regional Board
Resolution No. 87-053, Waste Discharge Requirements are waived. Tbe following
conditions are associated with this waiver:
1) The discharge. Or creation of potential for discharge, of any soil marerial
including fresh concrete, cement, silts. clay. sand and other organic materials to
the waters of the State is prohibired;
2) Implemt:nt and IDiJiT'lPlf1 adequate erosion control meaSUres during and after
constrUction to concrol rhe release of sedirr.enr to wau:rS of the State.
3) .AJJ.y temporary worle area or equipment staging areas shall be revegetated or
stabilized prior to October 15. 1998, to prt:vent erosion of sediment iDLo the
Creek. .
4) During construction of all creek related structures, an on-site U'ee plan monitor'
will be present, with. authority to swp work or diret:t the cantracwr fO alter work
method to meet the specifications of the tree plan and preserve the riparian tre~ .
inventory. This monitor cannot be an employee of the contracror.
Pursuant to Title 23, CalifonUa Code of Regulations Section 3857, this action is equivalent to
a waiver of water quality cenification.
"...
We anticipate nO further action on this application. However, should new information come
to our attention that indicateS '" water quality problem with this project. the Regional Board
may issue Waste Discharge Require~Dts. Please conr.a.cr Keith LichteI1 of my staff at (510)
286-0378, if you have any questions.
Sincerdy,
~K~~ctMfl~
EXECuTIVE OFF1~ '
cc: Bill Campbell. SWRCB-DWQ
~gularory Bra:och. USACE
.
.
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.
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S&IiI""~~I~.~~~
:m ~ IT1U!!IET
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Regu1atcry BrmJch
SUBJECf: rUe Numba' 2J331S
Mr. .Dominic Pic:ri
WllY"ing1A11 Homes
3160 Crow Canyon Place. s~ 200
San llJIl''!''Inn California 94513
.
Dear Mr. Pieri:
J:'ylMed is your signed copy of a Ikpanmc:u ofthc.4tmy pcmUl (End 1) to
~ .strcambaulr. ~f"11f1 .wi snW= COJUrOl mucum:s Bad pc::form otbc" wed: in
Martin Canyon e;e..~ in Dublin. ~;& CoUnty. C&liforma..
Plc:a.sc: c:ornpler.e Ihe appropriate pam of -Notice to Permiro::e. Cann ~ 2), and
mum it to 1his offia:. Yau me :espoasiblc for csuring tbBl the ~ ar wark::n
~..1ting the EIiviIy .auzbcriz:d bc:reizl is knowledgeable with the ~ and conditions of this
~ and. that the -Noti= of Au%hcrizati<=. - ENO Form 4336 (Encl it is posted in a
cCD.:lpicuous plau at tbr silC prior 10 the start of work.
Sincm:ly.
I/L~~
Liet~r'rulnt Co!onc1. Corps CJf Engj~
Di5tricI Enginn-r
EDclosnres
Copies F1.In1Ubcd w/CJcll only:
'US F.lWS. Saaaaczuo, CA
us EPA. San F~~o. CA
CA F4G, YownWle. CA
~F=CF~vc:n
f --
JAN 111999
Whnl\lUI'.l\:O I vl'4 nv'.'~ci
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NOlE. 1bc tUllI "'y1N" aad &1S det,"aDYe5. IS IIscd QI thu ~ meaDS tbc ~ QC "' fufwa= tralb"L_ 'I'I:1c tcml
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pat'JIOse: orerntilll~ rnftlaCDI nnctllres IPld I~a gradC.coaIroJSUlI~ Oaccrxbow W1Il be
I"C2lipcd wbcn ". ac:a:sl rull is Iflnatallld. .All worlu"U t.e ~nW4 oalSla .eal~ wi.. tk atadaed piau
ad 4..-wta;S laltcklt: "MaI1ia Cuyu c,-Il:Str~-IM""SlalriliDrioD;ll\I: MarciA Curaa Cn:d:; A.T: tbtCary aI
DtlblUl; COUNTY OF: AJa.=a; AP'PUCAJllT: Warmiq'Coa8'_cS"ia216pns"cla1l4:z3J~ 19M.
Pnl.P='~"-
ncP'lvjItCli$1aca1L".d ill Mama eaaJ'CQI Creek .F~ frDJa SilYcr&acc DnYe.ad IORdI--at DfltQU1q
H.lldm'ft'iII IlutC.qr alDIIbliaI, AlaIDe4a Coauy. CalilbnaiL '
.
Pcrmat CaoISn'OUS.
Gcacrw1 Caadag~'
L ~ UD:IC IiImc fur campkWI UIc ....1IUon1rll cds OIl Seprember 23. 2003. If you fiQcl U\.# )'011 ac:e4 IUt'C
nmc l'J ~ dw ~ KIi~dY. ~ your RqUCSl :or a use atabUlD 10 dus oma. far CllIIIidc:::taUI:m aI: Jca$t
0= JDOA'dI Pdi:JR; dlc Mow: 4.a: A'~
%. -yoa.... 11'-..... die 1CQ"j.ty auqaQrizal by ws penlllt ill pad, CDIIdiIiM aad ill coor~ .-iz2l me rmDS m4
emsdldau QllIa.!$ pamir.. You art JtOt rc1iaw of dlls rcq~ lr 1011 ..~ !be pcDDi~ aaiyif)-. UZlDwp yon JUy
aatc . &004 fai!Il tIaIlSfCr to .. m1r4 pan;y ill CClIDp~ ....11I& C;eaen1 CaGditioa . below !JI01IJ4)01l wasil to QclI.SIe ra
_..... Qe .aadlclnze4 ~ w ~ 1- desire: co abllndGa j( ~. pod tiiIh ~ )'W 1IlDliE obmia a DlDCiifi..
~~ of dli5 pa&:Dit ftoID, UIis ofIioe. .-Iuch .., req.....e R:!l0ndlDA of * --
1.. 1i ~ ~.t;t ., pnva01aly uiwunrll tus_~ or 1tCbeo1o;&n1'aaUs ,.,,,* ~C''''''pHJn''E tbc' ICtIYlty au:burizcd.
by d:lis pcmiS. 7011 __ :-.......Irt) DDIlf)' tIUS ofIia of.Pt 10u Jlawe (aanL Vir: wil1lAici.a ~ FdfAal -.d. :lOhItC
coardiDaaaa rcl[1drcd 10 ~ it_ tc~ -..rn= .. reeoWl"]' dfan: OJ" if &be - IS ehr-ba far ldWl& io. the
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spee.fIed III tilt t:e'tifiatiaa u IJ'~ cOIJ4tWlil1! U1 I2W pcnnit For}Q1It c:osm::nicDcc, a cop, of:he catdJOtloa ~
.,..:It""'~ if it Clmt:IiIls .Neb COD&hUQRS
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1. Tile "Mmc_tiaa aIId Moaitaria, flail- .l.S4ASIOCi4f.eS., Fcbral"J' Ay 1'" ~bJI be adkn:d. to..
2.. All ~ .,..rlr,.shah he ~llI.lIett:d bchlocC:ll April 1 to~0
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(X) SeaiDIlIQ afmc 1.J~:a 4AIf lUnoa Art of 1199 (33 U.S.C.403).
(JC) Sa:Uou404 of sl1r; ~ Wmr Ac1(J3 U.!:>.C 13+4)
() SecnaA 103 of die J.Urinc ~ ~ cd c....-,:n.9)Qo Ad all9'n (33 U.S C 1413')
2. I..muCS gf tIPS ambcrizatilm.
.. nan pc:nmt duc:s ~ alrwwr tbc ~d fA) o~ ~ Fedaal. SWII. ~ laOll audlAnZlZicms ~ by 14w.
b Tho, penD" ~ AM ~ 11II:/ ~ riPts or acWSiYC pz'SyiJqcs.
c.. Tau ~ 4DcS AOt aaIrlloriZe 1IIZ) JtQ~ to the prllpc1tJ II:' npu of cliI1Itts
d. nus pcz=iI @I:S .QQt .uboIJlI; lA~ 1ItiI!l mJ ~ ar proposed FcdcnI FDjc~
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b. D~ tQ tilt pcmUlIcd prOjca or usa dIcrcol as a ~ of aun:::at or famrc actividcs ~.'by III' 011
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c.. ~ tA pcnoas, prvpcro. 0/' Ul aUtz p~ Ot" lIaPI:t1lU=8 aa.vis,cs lit ~ eaua by ~ acDyjlJ
~ tIJ d'&U permit.
d.. Dc=:olOl at COIl~a dcUaCJ:l,CUS Q>.OQ4al ..id:l-w: ~c4 wod:.
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citc~.:s wll'nAC. CircwIlnmc::d tbal clllul4 t'C1Ivnt . "..:...lInDOIl UICludt. lnu arc Ilollimncd 10. me fuUu--
iA:"
.. Yuv rail", QN1Ipb WI~ au: lQlD..S ad C9Ild.&timls of dus per.it
b. Tlac mtOllDlliOJl pnnickl! by yo", ia nppcn or your pumll: applical== JUO"C:s to b..~ bccq fll1se. UaCClm-
pice, or IDKcvata::: (See 4 above).
c:: Sl~ifaault~. iAfOt~ surfK:s ,....lbc::h Uzi,o Dftil;::'l; Cte BOt r"ariri~ ill rcach~ da& aripnal i'ulllu:
mCC:t1:'Jt l1ccisJOII -
SIldJ a "~aJuNJOIl may rcsv)t i. il dctc:nmUOGII l:bu it ... appropriuc 10 vsc: ~ ~- ~OD. 10.1I4
l'C\roQSiDll pro~ c::uacalncd.u]] C(2 325.7 or =QlCgpcar prD"d~t$ sucII'- QIo!IC "",a"iD- iA 33 CF1
12'.4 lUul 326..$ Tbr rc{cn:aUtS c:ufgrccmcm plllC::a:IoIn:S pra...lISS:: fot ac ~c af.. admUlisrradu GJdc:r J:qIlV'
iA; )'GU UI campi)' -iCh t!aw:: tedIt.lI .u COluliualb of 1~ pw::mnt llDi1 tar the iaitimon of lc;J.J aa:ticm w~
a.pp.apcwk Y0C6..u be requited lei pay tar mlY ClIf~.C IDCaJUrcS onlere4 by thIS otfica, :aDtl if')'01I raillD COlII.pJ)
...~'" ~1t 4attthc. tlLis ei!lcc: m&)' U' cart&Ul wfWtaOft:o\ (such u these spedftcd m ]] cpa 209.170) -.cc:DmPJisJIlhc:
c:oaCa.wC ~ by caurnl:t 01' odlct1l'l>>C u4 b411 Tau far tbc CO$l: .
ii. ~SaOIllS Gctl~ co&lliricNa J ~I~s a. kJIIC: Liullt for tile c:omp1ctlollll of dM; ~CI"a't _Ularizcd b) maS
paMlt. UJ1lCII tbcsc .-c CJJ'CWIbwatts r-q~ia, Adta . pIOIIIpt c:o;lD9ktIOll of thc aatJrOJiad acj"by or . rcen1u.-
tiaa of Q,c pll!llil:: ia=c:sl: lkeisioll., die Carps ..u DOnu11y ti.c ta...orablc ~idcrllUOtI W . fCllIICSt fot lID cracA$iaa
ofdW tIlDe luI1~t
~1D;-'-~~~~~:=---'~~
(l"cnlUUCC) ~
.
n" permit ~~c .,1aA me fC$nl Df&i.&, dmp:lZcd to ~ fAr die 5ecrcGrJ. otdlt ~, baa aapeG IJdow
$!f~(1C-
. LTC, EM
wbca It&c ~ or -..ork ~ b1 daIS ~t arc mil UI ~~-- '" me fdsIC ,. pnIIIICR7 is ~ tile: II:mI:I
__ co..... of.1S pcna&l. wan....n..- to De IMIldiq aa dI& __ OwSIa'(s) of_ p....~.. To ftbdIIrc 'Cat ~of
Gi.o pamit .-a dlc R!IOC'i....... li....I:- ~ _adl c::oaap1ilac:c .Ida d:I ZDIIS lIII4 c:o~d'.IOoSl'. b..-c die ~ sap
u4 _ Ilelnr .
~/Jep98
(Due) ,
(Tl~-) (1)ldr)
..3 .
~3 ~ q)
.
AGREEMENT REGARDING PROPOSED STREAM ALTERATION
NOTIFICATION' # 132-98
This agre:matt. entered into betwe::a the State of California, Department ofFish and
Game, hacInafter called the Departm:nt, and Dominic Pieri, of 3160 Crow Canyon PI. #200.
San Ramon, CA, 94583 representing Warmington Homes, State of California. hereinafter called
the opemtor, is as fullows:
\Vhercas, pursuant to Division 2. Chapter 6 of the California FIsh and Game Code, the
opc:ra:tor, on the 3rd day ofMarcb. notified ~ Dcp~ that he intends to substantially divert
or obstruct the mttural flow ot or substantially change the bed, chRnnl.'!l. or bank of: or use
material from the streambed of; the fOllowing water: Martin Canyon Creek, in the County of
Contra Costa, State ofCalifumia, S3 DS"RIW.
Whereas, the Department (represented~. N"lCO!e Ko.zidi bas made an inspection of the
subject ami on the 23rd day ofMarct. ~) ~ determined that such operations may substantially
adverselyaffuct existing fish and wildIife resourres including: vegetation, water quality, aquatic
lif~ birds and Il1RTTm1~Jo:; "
.
02. All work shan be doae accordiDI!' to "laM !lubmitted to the Department. The operator sbaU notify the
Devartment of aa, modifiations made to the lJl"Dlect Dllns submitted to tile DeDIlrtrDent. At the discretion
or the Dcpartmmt, minor .,lln modificatiDm mav reQuire aD amendment to thi, AI!Tttmcnt. At the
dIsc:retioa of the DenartmenL Irsubltlntiar chaD~U'n! m.de to the oril!iD.r Dlans this al!'rermmt becomes
void Ibd tile Ollerator murt submit a Dew notifiatioD.
113. The time limit (ar eampletine- the work lub\ect tn this ..EtCCmC1lt shan be c:oafiru:d to the neriod or April
~~dobtt 1. The Ot'lU3ttJr wilhotilY DFG of the date oCcommeDeement or lJpentioDs and the dale
0:- completion ot operstloni: " .
04.
1
.
Initials
~ ,j / ,11
rl )
cumpttUlC:e with III terms aDd eonditlollL
OS. Prior to the cornmaa:me.t or eonstrudilut the O~e,..tor will identif .ad na an access lInd ro eee .
ammmeDt corridor for cub work site. The Contnctor dlJaU limit eDtrY to the miniJJIum DDmber of
:loprosc:hes necessarY to COJDplctl! oper2tions.. FlII!!!!UI1!' will be ill pla~ duriDl! sll periods or openltioq.
06. In epbemtnl strnms. it is srrtidoakd th.t .D a>>1IStTUc:tiOD will be done ",bile tile work site is drY 2nd that
ve.bicl5 rilllnt be dl"ind nl' eaainmmt lIoersted ill ..tel' covered portiODS of the strum. or whe~
wetbad v~tion. riJllrUn y~tio.. 01' .Qu.de ol"!.nlsml ma" be destl'UYed. excet)t IS otherwise
nruYided ror In the Il!'ftm!mt lad II Det:!Ulrv tn eomplett! IDtIlllriztd work. Trench mlte"ll (rom
epbemenl rrrum c:h1DllelJ m:a.D be p1:a.ced oatslde tile Jtrdm's Dormll hil!'-Wlttr mark or au dry
pnmODI widda the strum's hlf:n-waterlRlrk .I1m tt1e mlterial i. olaeed on fi}tC'r&brie. Irstrnms In:
nawml!' lit the dJDe work It to be doll2. the QmtNwr shaD implrmeat I WI~r divenioa plln which IntrWS
rtream Omn to uavtty now lroaDd or throal!b the ..ork: .Ite USiD2 UmIliOl"lry culverts or 5t~lro now is
Dumped lroalld the work site am!! InuultS and basts. A saadhat! barrier sball be placed in the strnm
botb umtram aDd dOWllrtnlm. to isolate the work area from the Do.lDe .Iter. TIte mtin! work 1m
shaD be dnntend. The DDdbte"l shaD be BlJed with deaD Bad. The dDdb:a.t!':s ,balf be placed IDd
removed bv hnd. The undhl! bsmer diaD rttnllm iD place DatU aU stream Milk won is eomplete.
Barrier eautnrcticm sh,D he Ideaaate to bl'nmt seena1!l! latl:l or f'ram tbe wark area. Nonnal nows will
be restnrtd to the arredl!d arum tmmedJatelv DflOfl comnledllD of.orll:.t wt loeatiolL
07. MIlD III" dam Dr ather srtlftdal Obstruct1.ol1 ill heDl!' eollJltrueted, dl:liawaed. or J)lacr.d io openltion.
mfficietlt water !ball It aD times be aUowed to n'l! dOWlllueam to dlsilltain .Qu.rk life below the dam
PUrJlUDt to F"rsb lad e,m. Cod. SeetiO!! 5937.
08. StrrsDlbed and banks at aD acess poin" .haJJ be ~red to the c:mtint!': conditions, illdudine- I!:rade, sJope
IDd rbe possible reulllcement of dream bed t1lbble.
09. AU turbid' wlter from tile e:fcantion .ndlor proiect adivities shalf be pump~ iato I boldin!' flciJitv or .
fato . cettlin~ nand 1oeJtr.d it nit rtable IreI' oowde orthe strum chIliad. spraved oyer I "~e area
oats ide the stream ellluncl to .now fur altural filtratioD of .afimeuts. At ao time suU tarbid wafer from
aettfint DODd! be allowed to mter back [atD the stream chlnad limn nt.cr is dClr of silt.
10_ Approved el'O&lou asotrol m!:2'u~ IbaD be utilil:ld throu2'hoot I II phases of oPcf'tion where s~imeDt
runotl'rrom emosed ,laPel threatens to enter waten or the State. At no time shall SIlt I.den runoff be
allowed to enter tbe strtllUl Or be placed where it mav eater the strum.
11. Stal!idl! and storl2e Ired fo.. eQuiomeat. .ateriall. fae.. lubricanti' and lOIvents. wnJ be IoClted outside
ortbe strum chanael and baUD. Sbttloaa" eQUipment JUda 'IS motors. pamPl. ~CllCn.tal"l. comPn5S0l"l
lad welders. located within or Idtlceat to tile stftsm wiD be oM.lioned oYer drip :paa Auv equipmertt
or vehicles dmen .nd/or ODetl~ withill or .dilcent to the stJUIQ wID be checked .ad malntaiaed d2iI,..
tll prevent \e:a1eJ ormluriah IlIst ff'iDtraduaed to MIter muld be deleterious to IQuatic life. V ehiel~ wiD
be.moved .nVllv from the stream olio.. to refuelin!' Ind lubrication.
12. Raw eemutlcoaerete or wammt!S thereof. UIIMIt. Dlllat Dr otbu eMtml! mlteriaL all or olber aetroleum
Drochi~ or any otbu sllbsf1llnce5 which could be ha~rdolls to -aaultle nre. _Udore. or rlDSrl:all bsbitat
rtSIl hilL rrom t'lte Droieet related ac:tivili!s shan be- Drn'cuted froal colltsmmltiD~ the !OD auelfor eoterior
the watel"J orthe State. AIIv artb!Se matuiab nlarNI ,"dim orwbere they may eater I strum or lake.
bv the Ooentor 01' snv nartv wnrkin~ uader CClDtra~ or witb the penakaioo of tfae Operator .hllI be
2
Initials
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.
.
20.
/J /' /"-
c1:';; ~}
'7_/
:5
removed immediltelv.
13.
Durine: eonstruerion, the Contractor sban not dump SDV litter or co..stnrction debri, within tile
r1t1.rianln~rn %Ont. AU IPch debris nd waite shan be oiclud aD d.nv ud tll"ltJ)CrfY ditpcucd of at sn
2[1IJmDNlc site..
1<1.
lhn"..UdIife 11 encoantered durine thc eaune ofconltruc1iOl1 ,.id wildlife shaD be aUowed to le:tVI! the
eoDstrucnoD are. onhumed IlId shan bc tblIbed., hued. or berded in . safe dirtdiOD a1nV from tbe
prtlied sit!!. ~llstnJetion rurv", for red-lrued fro2 $halI be eoaduc:trd 110 more tbea 7 dsv!l 01'101'
to cmmruc1iDcL Ret1lIb. fadodial!' the IOrvrvOI' snd the techniaues used for the SU"" sbaU be ~ubmit~
to tbe Department.
1.5.
The dlsturballetl or removal of yt!ebtion will not ~ the minimum Ileeessarv to mMPlde opcntions.
PredUtlofd wUl be taken to avoid other dama!!\! to "~l:lItiou bv tJeopll! Dr eQlripmeat.
16.
Pnlnlat'!' Ib.II tlke pla~ on .11 trees witb limbs tMt over baul!: ftllutrudloa sitts. mdnt'!'.~ 112 dlo I'" :lcc:tSl
cnrridon. !lnor to ~obmution OfeeJuipme.t into that ares.
RJparilul ,,~etation. when removed putmant to the orovisioos oftbis AlrrttDlcat sball be alt off D~
tbaa muod. when DOS.dble.leveJ to promote rapid ~h. A sutfideot bver of c:le:atl river l"ll1i eotible
to tn'event damal!:c to the uDderfvin! mil.nd root ttnu:tDre !han cover 'Cce!! roadJ Ind work .~.
over riparlln ,,~etadOD..
17.
18.
RestoratioD shall hlclode the l'n'r!'etat1Qa of~tI'ipped or elposed areas with "e~etltion native to the aru.
19.
All pllam Ih.n be do.e bettn!ca Odoou 15. 1991 aDd Jlnuary 31. 1999 to taU .dYlnta~ of the win~
ra inv sellson.
All olaDUnt shan have a minmum oUO." lul"\'ival.ft:er five velf's tor the 6fc of the proied. If the surviv.l.
Ind J'CQuirm1ents have Dot b~ mrl., the ()pmltor is restXltlsibll! for repla.~ent plautinl! to 2a=hint these
reQUin:mClb. RepllCl!DleDt Dints IhaD be monitored with the lime IUMv.lllld rrowtb ~uin:'ments
for fIVe veil" ,fter JJllutiDl!.
:n. AD Inaual report shaD be mbmittal to the Departmcm etch var for lYe.un after plaD~. 11115 rep!!rf
,haU'fnefllde tbe .un-ivat, % eGver. and hei!ht of both tru: lad Ihrub meeies. The aumber by ,pee(el of
plaJlII replaced,.n oveM/it. oftht rev~tion effort. .nd tbe method used to'$SCSS these na,..metcrs
shallallo be fneluded. Photo.s rrom desi!:ned Dhoto st.tions shan be included.
n. AD rev~etlltiOD work .bln be dOlSe uaJrdiu! to pllDS submitted to tbe Departmeat. The sowne trees
Iud shrubs IblI be ideDtifjed aD the pba
23. A .toP'\' of this AlI!rec:meut mud be provided to aU contractors aad S1lbcootnetors IIld the Operata"',
~rofect lupemsors. Copiel oflhis AI!'1'UIJlCftt sh.n be .nil.bIe It tbe projec:t: site durin!!" In periods oC
!etlve work aDd must be presented to DePartiucat penoaael UPOD demand. Dcnllrflllcut nersonac:l !lh:a.d
be a nowed onto tlac work lite at ami time dum!!" the period coyered by this A!reement for the numoses
of estI.brl!lhinl! eompliaDE:C Witb this Arm:::emeat. . .
24. The Operator, Contndor, or subeoatractor is iointly and sevenIY ii.ble (or rompUaDct with the term.
oftbis A eat. AD violltioa oftbe term, ofthd A cat sb.U make this A mt Dull aDd vo
.
3
Initials
.?/
(./ , (:;?
J -/(
")
:u:sd aU leti~itV mod dap until another :l1'!ret!meDt 15 msdc.
.
~
The operator. as dcsignatai by the signature on this agre:mcnt. shall be responsible for the
execution ofall eIcm:nt! of this ~....rt A copy of this ~ml'!nt II11lSt be provided to
contractors and SubconL"aCtoIS and must be in their possession at the werle. site.
Ifthc operator's work changes from ~ stated in the notifir--'I1ion specified above. this
agrumeIIt is no longer valid and a DC'W notm~tinn shall be submitted. to the Department ofFish.
and Game. F allure to comply with the provisions of this agrc::men1 and with other pertinent Code
Sections 5650, 5652 and 594&. may result in prosecution.
Nothing In this a~~t authori:i=s the operator to trespasS on any land Of property, nor
does it relieve the operator ofrcsponsibifuy fur compliance with applicable federal, state, or local
laws or ordinances.
THIS AGREEMENT IS NOT INTENDED AS AN APPROVAL OF A PROJECT OR
SPECIFIC PROJECT FEAlURE BY THE DEPARTMENT OFFISH AND GAME.
INDEPENDENT REVIEW AND RECOMMENDATIONS wru. BE PROVIDED BY THE
DEPARTMENT AS APPROPRIATE ON mOSE PROJECTS WHERE LOCAL. STATE. OR
FEDERAL pERMITS OR OTEER ENVIRONMENTAL REPORTS ARE REQUIRED.
This agreement becomes effective on the d8tc when. signed by the operator and EXPIRES MA Y
:~: ~#// .
Title
FISh and Game Warden #343
Orgf'niT.'ltinn
CA Dept ofFish and Game
. ~ '2 ~/f'/g
Date
4
Initials
.
.
.
.
..
Prin[lp~/;
Rob B.:/en
Shr..'il.i Br.id:v
Les C.>.rd
D,,-::zd Gore
SIC':!" C,..mholm
RidMrd H.>.r["ehcr
Roger H"rris
Art HomnglJ.1.uirn
L"rry !\enr:ings
C"rollyn Lobell
Bill ,If.,)',",
Rob .IfcC.,nn
Rob SdJOnbol:z
,'.f,:/eolm j. Sproul
Associ..ltrs
Dt:bor~1h B..:.t...r
Jamts fjiJum
Connie C"lic.z
Steven \\i: Conkling
Ross Dobbcrtecn
Cary Do:;;
Rich,rrd Erickson
KC1,'in Fincber
Clint Kellner
L"/I"''' Lafler
Bemon Lee
Judith H. Jf,:/"mut
Sabrina Nicholls
,'.1, W: . Bill" O'Connell
Anthony Petros
Lyneue S,,,nchina
Jill Wilson
LloyJ B, 201"
,P 1 ::f gy
LSA ,..Lsoc;.::ri. In~.
LSA
En"-;.:iror.mcnt.zI.-1n.;/ysu
Tj.l'lSpO,..~~!ion. Er.gmf.'ering
BIOlogy "nd \r,':!"nds
H.1b:'t.u Reslor.H:"on
Rr~()ltT[~ ,\hH':~;:gcm('nt
Community .mJ Lmd Pf""nmg
L..1.rlJIC.~pf Architr;c:urr:
Arch.reolog)' ,,,,,d P.:!t'onzolo)',y
January 7, 1999
To:
Clyde Davis, U.S. Army Corps of Engineers, Regulatory Branch
333 Market Street, San Francisco, CA 94105-21197
Keith Lichten, Regional Water Quality Control Board
San Francisco Bay Region, 1515 Clay Street, Suite 1400
Oakland, CA.. 94612
Michael Thabault, U.S. Fish and Wildlife Service
Ecological Services, Sacramento Field Office
3310 EI Camino Avenue, Suite 130, Sacramento, CA 95821.6340
Nicole Kozicki, Department of Fish and Game, Region 3
1U Sander Drive, Moraga, CA 94556
From:
Hope Kingma
Subject:
Interim As-built Report
Martin Canyon Creek Streambank Stabilization Project
Enclosed is the Interim As-built Report for the Martin Canyon Creek
streambank stabilization project in Alameda County, California. This report
describes the as.built Status of the streambank stabilization project to date. A
compliance summary is provided to document compliance with permit
conditions and requirements. Any deviation from the original Mitigation and
Monitoring Plan (LSA 1998) has been described.
Due to seasonal construction timing constraints, only a portion of the Martin
Canyon Creek streambank stabilization project was implemented this year.
The project is expected to be completed next year. This Interim As-built
Report serves to document activities completed during the 1998 construction
phase.
Enc!. :
Interim As-built Report
RECEJVFD
JAN t 11999
WAHIVIINI..": ,. "" _.
."'\
.....-....-:
157 P k PI o t/08/99 ([P:\WH 0730\CORRES.P\AS BUILT2MEM no
(1.r ace J clCp/J01le >TO ')o~b?il
Pt. Richmond, California 9~801 Facsimile 5/0 236-3480
E-maills42@i",.netcom.eom
Other offices l<
lroiTlI.'J Ri';.'t!rsit
ATTACHMENT 6
;;.1 ~ 11
LSA .J,s,nci..ltes. {"c.
cc:
Dominic Pieri, Warmington Homes
3160 Crow Canyon Place, Suite 200, San Ramon, CA 94583
.
Bruce Phillips, Robert Bein, William Frost & Associates
P.O. Box 57057, Irvine, CA 92619-7957
Jeff Haltiner and Sean Smith, Philip Williams & Associates
770 Tamalpais Drive, Suite 401, Cone Madera, CA 94925
Roger D. Harris, LSA
.
RFCEi\n=n
, '
J Jl.N 1 1 1999
V\lt\hl\lI\l\l1..J I Vl~ nVl\llCS
.
Ol/08199([P,\WH0730\CORRESP\ASB UILT.MEM j)
2
~ 9 rl'1l
)
.
-e
AS-BUILT REPORT AND COMPliANCE SUMMARY
MARTIN CANYON CREEK
STREAMBANK STABIliZATION PROJECT
DUBliN, ALAMEDA COUNTY, CALIFORNIA
December 9, 1998
Prepared for:
Warmington Homes
3160 Crow Canyon Place, Suite 200
San Ramon, CA 94583
Prepared by:
..
!SA Associates, Inc.
157 Park Place
Point Richmond, California 94801
(510) 236.6810
LSA Project #WHO 730
TABLE OF CONTENTS
3D :r( 11
...
PAGE
.
I.
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1
PURPOSE OF REPORT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1
RESPONSIBLE PARTIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1
PROJECT DESCRIPTION .............................. 2
I. ACTIVITIES PRIOR TO CONSTRUCTION . . . . . . . . . . . . . . . . . .. 3
IMPLEMENTATION PlAN .............................. 3
EMPLOYEE EDUCATION PROGRAM ...................... 3
TREE REMOVAL ..........:.......................... 3
DELINEATION OF ACCESS AND STAGING AREAS . . . . . . . . . . .. 3
CALIFORNIA RED.LEGGED FROG SURVEYS ................ 3
III. 1998 CONSTRUCTION ACTIVITIES . . . . . . . . . . . . . . . . . . . . . .. 5
TOP SOIL COLLECTION AND SALVAGE ................... 5
REVETMENTS. SLOPE STABILIZATION. . . . . . . . . . . . . . . . . . .. 5
Revetment 1 .................................. 5
Revetment 2 .................................. 6
Revetment 3 .................................. 6
Revetment 4 .................................. 6
Revetment 5 .................................. 6
ROCK DROP STRUCTURES .. . . . . . . . . . . . . . . . . . . . . . . . . . .' 6
STORMDRAIN OUTI.ET ROCK LINED CHANNEL. .. .... . . . . .. 7
EMERGENCY ACCESS BRIDGE .......................... 7 .
ARCH CULVERTS .................................... 7
STORM DRAIN OUTFALLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7
IMPACTS TO JURISDICTIONAL AREAS .................... 7
IV. COMPLIANCE SUMMARY ............................. 11
PROJECT PERMIT CONDITIONS AND COMPliANCE ........ 11
California Department of Fish and Game (CDFG) ..... 11
Regional Water Quality Control Board (Water Board) .. 17
U.S. Army Corps of Engineers (Corps) ........... . .. 18
V.
POST CONSTRUCTION ACTIVITIES ..................... 20
EROSION CONTROL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 20
REVEGETATION PIAN ............................... 20
Swppp MONITORING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 20
CONSTRUCTION PIANS FOR 1999 . . . . . . . . . . . . . . . . . . . . .. 20
APPENDIX A
REVISED TREE REPORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. A.l
APPENDIX B
PHOTOGRAPHIC RECORD. . ...... . .. . .. . .. . ..... . ... . . . . ... B-1
.
12!09198(p:\ WH0730\RESTORE\ASBUll.n
ii
3/ cj':;Y
lS.A Associates. Inc.
.
LIST OF TABLES
PAGE
Table A -
Estimated Impacts in U.S. Army Corps Jurisdiction. . . . . . . 8
'.
.-
12/09/98(p:\ WH0730\RESTORE\ASBUn.n
Hi
3?-
!.SA Associates, Inc.
I. INTRODUCTION
PURPOSE OF REPORT
This Interim As-Built Report describes the as~buiIt status of the Martin Canyon
Creek streambank stabilization project. A compliance summary is provided to
document compliance with permit conditions and requirements. Any
deviation from the original Mitigation and Monitoring Plan (LSA 1998) has
been described.
Due to construction timing constraints, only a portion of the Martin Canyon
Creek streambank stabilization project was implemented this year. The project
is expected to be completed next year. This Interim As-Built Report serves to
document activities completed during the 1998 construction phase.
As-built reports are due 6 weeks following completion of construction
activities. Construction activities were completed October 20, however,
additional activities such as site clean-up and final erosion control measures
were completed on November 2, 1998.
RESPONSIBLE PARTIES
The project proponent is:
Warmington Homes
3160 Crow Canyon Place, Suite 200, San Ramon, CA 94583
Contact: Dominic Pieri (925/866-6700)
The project engineer is:
Robert Bein, William Frost & Associates
P.O. Box 57057, Irvine, CA 92619~7957
Contact: Bruce Phillips (714/472-3505)
The project hydrologist is:
Philip Williams & Associates (PWA)
770 Tamalpais Drive, Suite 401, Corte Madera, CA 94925
Contact: Jeff Haltiner (415/945~0600)
The construction contractor is:
Delta Excavating, Inc.
P.O. Box 1179, Brentwood, CA 94513
Contact: Daniel F. Condon (9251756-8015)
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The landscape contractor is:
Contra Costa Landscaping, Inc.
155 Dutra Road, Martinez, CA 94553
Contact: Gene Sheets (925/229.1060)
The restoration installation contractor is:
Circuit Rider' Productions, Inc.
9619 Old Redwood Hwy., Windsor, CA 95492
Contact: Rocky Thompson (707/838-6641)
The project biologist is:
LSA Associates, Inc.
157 Park Place, Point Richmond, CA 94801
Contact: Roger D. Harris/ Hope Kingma (510/236-6810)
LSA provided compliance monitoring during project construction and will
conduct annual monitoring of the revegetation of the project, as specified in
the Mitigation and Monitoring Plan (LSA 1998).
PROJECT DESCRIPTION
The Martin Canyon Creek streambank stabilization project is designed to
provide flood control and erosion protection in the reach of the watercourse
on the Hansen Hill property. This streambed stabilization project is required
by the City of Dublin as a condition of approval for the associated Tentative
Map 5766. An important part of the project is to halt or reduce the amount
of sedimentation occurring downstream of the project, and to minimize flood
waters and potential damage to existing and planned facilities, such as roads,
fences, and drainage structures adjacent to and downstream of the project.
The project consists of: 1) installation of a flood wall above the existing culvert
under Silvergate Drive; 2) installation of 21 streambank revetment structures
to prevent lateral erosion at primary meanders; 3) installation of eight rock
drop structures within the streambed to ensure the development of a stable,
long-term streambed profile; 4) installation of an emergency access bridge to
allow emergency access to the adjacent residential development; 5) armoring
of a storm drain outlet channel; and 6) installation of arch culverts where a
hiking trail crosses Tributaries A and B.
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II. ACTMTIES PRIOR TO CONSTRUCTION
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IMPLEMENTATION PLAN
LSA prepared an environmental Implementation Plan, as a supplement
document to the Mitigation and Monitoring Plan (LSA 1998). This document
served as a guidance document for tl)e contractors, providing a summary of
the key environmental stipulations and permit conditions.
EMPLOYEE EDUCATION PROGRAM
During the pre-construction meeting for this project, the project biologist
conducted an employee education program for all the contractors. This
education program reviewed permit conditions, wetland regulations, and the
Endangered Species Act. Photographs of red-legged frogs were given to the
contractors to familiarize each crew member with this special status species.
TREE REMOVAL
Prior to construction, Contra Costa Landscaping removed the trees and limbs
in all of the construction areas, as per the Tree Preservation Plan (!.SA 1998).
Although the Tree Preservation Plan called for the removal of a total of 98
trees and limbs, upon further revision it was determined that only 36 trees and .
limbs exceeding 4 inches in diameter needed to be removed. All trees, stems,
and limbs 4 inches in diameter or greater were counted as "trees" to be
replaced. Additional smaller limbs were removed, which were classified as tree
"trimming." Appendix A provides the Revised Tree Preservation Plan.
DEliNEATION OP ACCESS AND STAGING AREAS
Prior to construction activities in each area, the project biologist flagged the
access routes for equipment and materials, and defined the staging areas, to
minimize disturbance by construction activities to the surrounding habitat.
Construction crews were informed that construction activities would not be
allowed outside these designated areas. The access routes and staging areas
are indicated on the Construction Access Plans.
CAliFORNIA RED-LEGGED FROG SURVEYS
Three days prior to construction activities in the Martin Canyon Creek
corridor, the project biologist conducted diurnal and nocturnal surveys for the
California red-legged frog. No frogs were observed during these surveys.
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Prior to the commencement of work aCtIVIties each day, the on-site
construction foreman briefly checked the construction area for frogs and other
wildlife which might potentially be impacted during construction.
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III. 1998 CONSTRUCTION ACTIVITIES
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The descriptions of the construction activities, below, are subject to
engineering review. References in the text to Typical Sections, and Cross
Section Details are provided in the engineering drawings and Mitigation and
Monitoring Plan (LSA 1998) which were submitted previously. Appendix B
provides a photographic record of each site prior to construction activities,
and following installation of the feature.
The Applicant was given an extension by the California Department of Fish
and Game (CDFG) to complete construction activities in Revetment 5. The
ex"tension was until October 20, 1998. This extension was also approved by
the u.s. Army Corps of Engineers (Corps) and the Regional Water Quality
Control Board (RWQCB) (pers. comm.).
TOP SOIL COllECTION AND SALVAGE
The top 3 to 6 inches of topsoil and trench material were salvaged during
construction activities, and re-applied over the back-filled areas above the
revetments and in the staging areas to enhance plant establishment.
REVETMENTS - SLOPE STABIUZATION
Each of the revetments were constructed in a similar fashion. The toe of the
existing slope was excavated for the placement of large diameter rock. The
prepared slope was covered with filter fabric, between the rock and native soil,
to prevent migration of fine material from the streambank. Drain rock was
placed in the bottom of the trench prior to the placement of the large rock
armor. Smaller rock were used to fill the gaps in the rock armor wall. Each
end of the revetment was keyed into the slope to provide a smooth transition
from the natural bank to the rock armored section of bank.
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Revetment 1
This revetment was constructed in two phases, the first phase was constructed
from top of bank using an excavator and manual labor. In the second phase,
an excavator worked from the creek bed to place additional rock armor along
the outside bend for additional re-enforcement. The rock armor spans 49
linear feet. The opposite nose of the creek bank was removed to create a
more gradual transition in the band, resulting in a creek width of comparable
width to pre-construction. This revetment was built to conform to the detail
shown in Typical Section F-F, with the modification of the adjustment of the
inside bank.
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Revetment 3
Revetment 4
Revetment 5
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This revetment was also constructed in two phases, and during the second
phase, an excavator operating from the creek bank installed rock armor along
75 linear feet of the outside bend of the creek, as per Section 6p6 and Typical
Section E-E. The inside bank was sloped and an active gravel bar was created.
This revetment was constructed using manual iabor to excavate the trench, and
an excavator working from top of bank to place the rock armor. This method
was used due to the spacing constraints at this location, and to minimize
impacts to the creek bed. The rock armor e>.."tends 48 linear feet along the
outside bend, and built to conform to Section G-G.
This revetment was also built from top of bank, using manual labor for
excavation and other equipment working from top of bank. The rock annor
extends 98 linear feet, which was adjusted to provide increased protection to
this bend. This reveonent was built to conform to Typical Section G-G and
Section 5p5.
ThiS revetment, also called the oxbow, was installed to realign the channel at
an unstable meander bend. The design of this revetment was modified as per
the PWA letter (5;26/98). Figure 5 proviaes a detail of this structure. Rock
drop control structures were constructed at either end of the realignment
(Figure 15). The total channel area between the twO rock drop structures was
designed to be 2210 sq ft, resulting in a net gain of 475 sq feet of
jurisdictional area. Two active gravel bars were created on the inside bends.
The revetment extends along 122 linear feet along the outside bend.
ROCK DROP STRUCTURES
Three grade control structures, or rock drop structures, were installed as per
a new PWA design. Figure 15 provides a plan view and cross section of the
rock drop structures. The location of these rock drop structures differs from
the engineering drawings, and are described as follows:
The first grade control structure is located further downstream, at a
more narrow portion of the creek, and in an area where fewer trees
would be impacted by the structure. Equipment access at this location
was easier, and reduced the impacts to the creek channel.
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The second and third grade control structures are on either end of the
realignment of creek channel at Revetment 5. The orientation and
location of these structures differs from the engineering drawings only .
slightly.
STORMDRAIN OUTLET ROCK UNED CHANNEL
Stabilization of an existing storm drain channel involved minor excavation of
the sides and bottom to prepare the channel for rock armoring. Filter fabric
'WaS placed between the rocks and n'ative soils. The armored chann~l covers
54 linear feet of jurisdictional area, and is 6 feet wide (Figure 16).
El'tfERGENCY ACCESS BRIDGE
An arch bridge was installed over Martin Canyon Creek to provide emergency
vehicle access to the adjacent residential development. This bridge was
installed above the ordinary high water level (Figure 4).
ARCH CULVERTS
Two arch culvertS were installed where hiking trails cross Tributaries A and B.
These crossings span the tributaries above the ordinary high water level
(Figure 17). .
STORM DRAIN OUTFALLS
Two storm drain outfalls were installed. The first is adjacent to Grade Control
No.5, at Station 36 + OS, and the second is above Revennent 1.
IMPACTS TO JURISDICTIONAL AREAS
The total project is permitted to impact 0.15 acre and 1,257 linear feet of
jurisdictional waters. While the project is not yet complete, the total linear
feet impacted by the construction activities this year has exceeded the total
linear feet proposed for those features installed. The total linear feet
proposed for the features installed in 1998 was 448 feet, and the total linear
feet actually impacted was 522 feet. Consultation with the Corps approved
design modifications providing the linear extent of impact was + 10 percent.
If the rest of the project is constructed according to approved plans, actual
impacts would exceed planned impacts by only 6 percent, which would be
within the Corps threshold for overall compliance. The area of jurisdictional
fill was the same as planned for 1998, 2,935 square feet, indicating compliance
on this parameter. Table A provides the linear extent of each feature.
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Table A ~ Estimated Impacts in U.S. Army Corps Jurisdiction
Stream Stabilization Structures, Martin Canyon Creek, Alameda County, California
Structure Station Over.all Dimensions e Jurisdic. Construc. Maximum Fill
Linear Within OHWMb donal Areal tion Cross COnStruc. Volume
Extenta Extent Section tion within
(feet) (sq.ft.) or Demil Height OHWMb
Begin End lJnear Ave. (ft.) (cu.ft.)
E.\:ten~ Width
(feet) (feet)
Emergency 29+38 29+53 15 0 0 0 Emergency NA. 0
access access
bridge bridge
(Fig. 4)
Proposed: 36+00 NA. 60 60 1 60 Storm drain 2 120
StOrm drain ourlet
ourlet channel
channel demil
(Fig. 16)
Actual: 54 6 324 3 972
Stann
drain outlet
channel
Proposed 36+05c 36+25c 20 20 9 lS0 Drop 5 900
Grade structure
control No. detail
5 (Fig. ???)
Actual: 20 8 160 2 320
Outfall
Proposed: 39+32c 39+52c 20 20 8 160d Drop 12 1,920
Grade structure
control No. detail
6 (Fig. 15)
Actual: 17 13 221 6 1,326
Rock Drop
No.3
Proposed: 39+32c 40+95c 163 180 8 1,415d Plan View 12 16,980
Revetment (Fig. 5)
No. 17 Section 6-6
(Fig. 14)
Actual: 122 5 610 6 3,660
Revetment
No.5
Proposed: 40+S0c 41+00c 20 20 11 220d Drop 6 1,320
Grade structure
control detail
No.7 (Fig. 15)
Actual: 22 14 308 6 1,848
Rock Drop
No.2
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Structure Smtion Over.aIl Dimensions e Jurisdic. Construc. Maximum FiIl
Linear Within OHWMb tional Areal tion Cross Construc. Volume
Exten ell Exten t Section tion v.;thin
(feet) (sq.ft.) or Demil Height OliWMb
Begin End Linear Ave. (ft.) (cu.ft.)
Exten ell Width
(feet) (feet)
Proposed: 42+35 42+70 35 16 3 48 GoG 4 192
Revetmem (Fig. 10)
No. 18 Section
5.5
Actual: 98 3 294 4 1,176
Revetment
No.4
proposed: 43+70 43+90 20 20 9.5 190 Drop 6 1,140
Grade structure
control No. derail
8 (Fig. 15)
Actual: IOc:J.tion 11 15 255 6 1,530
Rock Drop moved
No. 1
Proposed: 43 +90 44+20 30 30 3 90 G-G 4 560
Revetment (Fig. 10)
No. 19
Acrnal: 48 4 192 4 768
Revetment
No.3
Proposed: 45+10 45+50 75 52 7 364 E.E 6 2,184
Reveanem (Fig. 8)
No. 20 Section
6-6
(Fig. 14)
Actual: 75 5 375 6 2,250
Revetment
No. Z
Proposed: 47+50 47+80 50 30 7 210 F.F 6 1,260
Reveanem (Fig. 9)
No. 21
Actual: 49 4 196 5 980
Revetment
No.1
Arch NA. N-^- 10 0 0 0 Arch culvert 0 0
culvert A bridge
crossing A
demil
(Fig. 17)
Arch NA. NA. 10 0 0 0 Arch culvert 0 0
culvert B bridge
crossing B
detail
(Fig. 17)
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Slrucrure Srarion OveN.1I Dimensions e Jurisdic. Consrruc. Maximum Fill
Linear Wirhin OHWMb dona! Areal rion Cross Consrruc. Volume
Exrenr'" fu:tent Secrion don wirhin
(feer) (sq .ft.) or Deuil Heighr OHWMb
Begin End Linear Ave. (ft.) (cu.ft.)
Exrenr'" Widrh
(feet) (feer)
TOTAL: 448 2,937 26.376
PROPOSED
TOTAL; 522 2,935 14,830
AcruAL
a
The "overall linear extent" and the "linear extent" within the OHWM (ordinary high water mark)
differ. The former is a measurement of the length of the as.built structures along the centerline
of the reconfigured streambed centerline; the latter is a measurement of the length of impact
within the existing streambed as determined in the field.
b
OHWM = ordinary high water mark, the upward limit of Corps jurisdiction.
c
Approximate stationing.
d
According to field calculations by Philip Williams Associates, Ltd.
e
Field measurements are accurate to within + 5 feet. These measurements have not been
surveyed for accuracy.
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IV. COMPLIANCE SUMMARY
Throughout the construction period, both the Applicant and the .
construction contractor, Delta Excavating,Inc., employed Best Management
Practices in an effort to meet the permit conditions. Overall, a good-faith
eff9rt was made to implement measures to protect the resources of Martin
Canyon Creek. Considering the complexity of working in a creek situation,
no significant problems occurred. In the instances of non-compliance
reported below, both the Applicant and Delta Excavating were rf7sponsive,
and remedied the situations in a timely fashion.
PROJECT PERMIT CONDITIONS AND COMPLIANCE
LSA conducted daily site inspections to monitor for compliance with permit
conditions. A daily field monitoring form was completed. These forms are
available at the LSA office.
The permit conditions from the California Department of Fish and Game,
Regional Water Quality Control Board, and U.S. Army Corps of Engineers
have been summarized below, and compliance actions for each condition is
noted:
California Department of Fish and Game (CDFG)
CONDITION 1. Agreed work includes activities as stated in the application.
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ACTION: Project is not yet complete, and not all activities have been
completed to date.
CONDITION 2. All work shall be done in accordance with the submitted
plans. CDFG shall be notified of any modifications made to the project
plans.
ACTION: LSA notified CDFG of minor design modifications recommended
by the project engineer (pers. comm. with Nicole Kozicki 10/13/98)
CONDITION 3. Work shall be confined to the period of April 1 to October
1. CDFG shall be notified of the date of commencement and completion of
operations.
ACTION: LSA provided pre-construction notification on September 22,
1998.
Work activities started on September 22, 1998. CDFG verbally approved
an extension until October 20th to complete construction activities at
Revetment 5.
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CONDITION 4. A crew supervisor shall be on site the entire time the crew
is working within the riparian zone. The supervisor shall be completely
familiar with the terms and conditions of the agreement and shall ensure
compliance.
ACTION: Delta Construction designated Daniel Condon and Dennis
Daikoku as the crew supervisors on site during construction. These
supervisors were provided with copies of the Implementation Plan, and
conditions of all pennits.
CONDITION 5. Prior to the commencement of construction, the Operator
will identify and flag access and project alignment corridor for each work
site. The contractor shall limit entry to the minimum number of
approaches necessary to complete operations. Flagging will be in place
during all periods of operation.
ACTION: The project biologist and the contractor flagged the access routes
and staging areas prior to construction activities in each area. Most of
the work was conducted from top of bank, and equipment movement in
the creek corridor was minimized. Construction activities were restricted
to the flagged areas in each construction site, as per Construction Access
Plan.
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CONDITION 6. Vehicles will not be driven or equipment operated in
water covered portions of the stream, or where wetland vegetation, riparian
vegetation, or aquatic organisms may be destroyed, except as otherwise
provided for in this agreement and as necessary to complete authorized
work.
ACTION: In some of the work areas, groundwater seeped into the de.
watered section of creek. Each day the small pools of water were pumped
to the adjacent uplands, and equipment was not operated until the area
was dewatered. On September 29, the excavator inadvertently broke the
dewatering pipe, releasing water into the work area. All work was
immediately ceased, equipment was removed from the creek corridor, and
no construction activities were conducted until the area was dewatered
again. During the construction of Revetment 5, groundwater began to
seep into the creek bed from a sub.suiface spring. Construction activities
were completed in this portion of the revetment, and no equipment was
operated in the area with the active spring.
CONDITION: Trench material shall be placed outside the stream's normal
high.water mark or on dry portions within the stream's high water mark
when the material is placed on filter fabric.
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ACTION: Initially the trench material was side-cast during the trenching
activities. However, this was quickly remedied, and all trench material
was either placed above the OHWM, or on filter fabric in the creek bed.
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CONDITION: If stream is flowing at the time work is to be done, the
contractor shall implement a water diversion plan which allows stream .
flows to gravity flow around or through the work site using temporary
culverts or stream flow is pumped around the work site using pumps and
hoses. A sandbag barrier shall be placed in the stream both upstream and
downstream, to isolate the work area from the flowing water. The entire
work area shall be dewatered. The sandbags shall be filled with clean sand.
The sandbags shall be placed and removed by hand. The sandbag barrier
shall remain in place until all stream bank work is complete. Barrier
construction shall be adequate to prevent seepage into or from the work
area. Normal flows 'will be restored to the affected stream immediately
upon completion of work at that location.
A.CTION: An inflatable water bladder was used to dam and dewater the
creek. On September 25, the site was vandalized, and holes were
punctured in the bladder, which resulted in flows into the construction
areas. On October 2, it was obseroed that water had eroded under the
bladder, resulting in seepage into the construction areas. This seepage
was quickly repaired. Nonnal flows were restored to the entire
construction section of the creek on October 20, 1998.
CONDITION 7. When any dam or other artificial obstruction is in place in
the stream, sufficient water shall at all times be allowed to pass downstream
to maintain aquatic life below the affected area.
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A.CTION: Water was diverted around the dewatered section of the creek
via a flexible pipe, which provided water to the downstream section of the
creek.
CONDITION 8. Streambed and banks at all access points shall be restored
to the existing conditions, including grade, slope, and the possible
replacement of streambed cobble.
ACTION: All slopes where equipment had accessed the creek corridor were
restored following construction activities. Streambeds affected by
construction activities were restored, including the re-distribution of the
streambed cobble.
CONDITION 9. All turbid water from the excavation and/or project
activities shall be pumped into a holding facility or into a settling pond
located in flat stable areas outside the stream channel, or sprayed over a
large area outside the stream channel to allow for natural filtration of
sediments. At no time shall turbid water from settling ponds be allowed to
enter back into the stream channel until water is clear of silt.
ACTION: In some of the work areas, groundwater seeped into the de~
watered section of creek. Each day the small pools of water were pumped
to the adjacent uplands, to allow for natural filtration of the water. .
During the construction of Revetment 5, groundwater began to seep into
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the creek bed from a sub-surface spring. This water was allowed to settle
into a pool, which was pumped out of the construction area. The intake
for the pump included several sediment control measures such as drain
rock in a slotted bucket, covered with filter fabric. This allowed the water
to be filtered before it was pumped downstream. The seepage from the
spring appeared to increase, and pumping was unable to keep up with the
volume of water. Once construction activities were completed in this
portion of the revetment, and no equipment was operated in the area with
the active spring and it was allowed to flow naturally. To prevent any
turbid water from flowing downstream, a sediment control dam was
installed at the end of the construction zone. This sediment control dam
involved several layers of haybales, covered with several layers of filter
fabric. This filter dam appeared to serve its purpose by reducing the
volume of sediment in the water below the construction zone.
CONDITION 10. Approved erosion control measures shall be utilized.
Sediment run-off from exposed slopes shall be prevented from entering the
stream. At no time shall silt laden run~off be allowed to enter the stream.
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AC110N: Following project construction, all exposed slopes were covered
with jute fabric to control erosion and run-off. The jute fabric was
installed using staples at 2 to 3 foot intervals to secure the fabric to the
slope. Straw waddles were staked along the top of each of the revetments
to prevent run-off from the road from running down the backfilled slopes.
Straw waddles were also secured along the bottom of each of the slopes to
control run-off from entering the creek.
CONDITION 11. Staging and storage areas for equipment, materials, fuels,
lubricants and solvents, will be located outside of the Stream channel and
banks. Stationary equipment will be positioned over drip pans. Equipment
shall be checked and maintained daily. Vehicles will be removed away from
the stream prior to refueling and lubrication.
AC110N: All equipment and fuels were stored in a large staging area away
from the creek. All refueling activities occun'ed away/rom the creek. No
equipment remained parked near the creek over night.
CONDITION 12. Any substances which could be hazardous to aquatic life,
wildlife, or riparian habitat shall be prevented from contaminating the soil
and/or entering the stream.
AC110N: There was no contamination of the creek or surrounding soils.
CONDITION 13. During construction, the contractor shall not dump any
litter or construction debris within the riparian/stream zone. All such
debris shall be picked up daily and properly disposed of at an appropriate
site.
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ACTION: All construction debris and materials were removed from the
area and stored in an appropriate storage dumpster. Some construction .
debris from the Hansen Hills project entered the creek via the stonn drain
outfall. This situation was addressed.
CONDITION 14. If any wildlife is encountered during the course of
construction, it shaH be allowed to leave the construction area unharmed,
and shall be flushed, or herded in a safe direction away from the project
site.
ACT10N: The construction crew was very careful in surveying the area
prior to constroction activities. One California newt was observed in the
constroction area. It was moved out of the constroction area unhanned.
CONDITION: Pre.construction surveys for red-legged frog shall be
conducted no more than 7 days prior to construction. Results shall be
submitted. .
A.CT10N: Diurnal and nocturnal surveys of California red-legged frogs were
conducted two days prior to the dewatering activities. No frogs were
observed. The results were submitted in a letter dated August 12, 1998.
CONDITION 15. The disturbance or removal of vegetation will not exceed
the minimum necessary to complete operations. Precautions will be taken
to avoid other damage to vegetation by people or equipment.
.
ACT10N: Vegetation was removed in areas only as required due to the
construction activities. Damage to vegetation was minimized by placing a
plywood protective barrier in front of trees and shrobs, which served to
deflect rip-rap rolling down the slopes.
CONDITION 16. Pruning shall take place on all trees with limbs that over
hang construction sites, staging area and/or access corridors, prior to
mobilization of equipment into that area.
ACI10N: Prior to construction, all trees, limbs and shrobs were removed
from the constroction, staging, and access areas.
CONDITION 17. Riparian vegetation shall be cut off no lower than ground
level to promote rapid regrowth.
ACT10N: Some of the trees and root balls were removed completely from
the banks to accommodate construction of the revetment stroctures.
CONDITION: Clean river cobble shall cover access roads and work areas
built over riparian vegetation, to prevent damage to the underlying soil and
root structure.
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ACl10N: This was not applicable.
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CONDITION 18. Restoration shall include the revegetation of stripped or
exposed areas with vegetation native to the area.
ACTION: All slopes covered with jute fabric shall be seeded by broad.cast
seeding of native grasses. Other exposed areas shall be revegetated with
native trees and shrubs, as detailed in the Mitigation and Monitoring
Plan. A Conceptual Revegetation and Restoration Plan provides a
supplemental document for the implementation of the revegetation of tbe
project site.
CONDITION 19. Ali planting shall be done between October 15, 1998 and
January 31, 1999 to take advantage of the winter rainy season.
ACTION: It is anticipated that the revegetation of the 1998 construction
areas will be completed by January 31, 1999.
CONDITION 20. All planting shall have a minimum of 80% survival after
five years.
.4CTION: Annual survival of the plantings will be reported.
CONDITION 21. An annual repon shall be submitted each year for five
years after planting.
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AcnON: Next year the first annual report will be submitted.
CONDITION 22. All revegetation work shall be done according to plans
submitted. The specific trees and shrubs shall be identified on the plans.
ACTION: Minor modifications have been made to the revegetation plan, as
seen the Conceptual Restoration and Revegetation Plan (ZSA 1998).
CONDITION 23. A copy of the Agreement must be provided to all
contractors, subcontractors, and project supervisors. This Agreement shall
be available at the project site.
ACTION: The Agreement was provided to all contractors.
CONDITION: CDFG personnel shall be allowed on the site for the
purposes of verifying compliance with the Agreement.
ACTION: CDFG personnel was invited to visit the site by the project
Applicant.
CONDITION 24. The Operator, Contractor, and lor subcontractor are
liable for compliance with the terms of this agreement.
..
ACTION: All parties involved were notified of this condition.
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CONDITION 2. Implement and maintain adequate erosion control
measures during and after construction to control the release of sediment
to waters of the State. AND
CONDITION 3. Any work or staging area shall be revegetated or stabilized
prior to October 15, 1998, to prevent erosion of sediment into the creek
ACTION: Construction activities were extended until October 20, 1998.
The project area was stabilized by the installation of jute fabric and straw
waddles to serve as erosion control measures. The construction areas will
be revegetated with native grasses, shrubs, trees, and willow stakes along
the revetments.
CONDITION 4. During construction of all creek related strucrures, an on-
site tree plan monitor will be present, with the authority to stop work or
direct the contractor to alter work method to meet the specifications of the
tree plan and preserve the riparian tree inventory. This monitor cannot be
an employee of the contractor.
ACTION: This condition was revised (.lSA letter 8/4/98): "the biological
monitor will be available on-call at all times, and will be present on the
job site during all initial ground disturbing activities and at other times
as warranted." LSA project biologists were present on-site daily, to provide
guidance, to ensure compliance with permit conditions, and to preserve
the biological resources in the creek.
u.s. Army Corps of Engineers (Corps)
CONDITION Authorized to place native rock protection stone in 1,192
linear feet covering 0.15 acres.
ACTION: Project has not been completed. However, the project has not
exceeded this authorized limit offill.
CONDITION All instream work shall be conducted between April 1 and
October 15.
ACTION: Corps authorized extension until October 20, in light of the
extension allowed by CDFG.
(.lSA memo 10/15/98)
CONDITION All work shall be carried out in accordance with the attached
plans and drawings, and the Mitigation and Monitoring Plan (LSA 1998)
shall be adhered to.
ACTION: LSA letter (9/29/98) provides a summary of the Corps guidance
on project modifications and compliance. Clyde Davis (Corps) conducted
a site inspection on October 2nd, to review project design modifications.
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POST CONSTRUCTION ACTIVITIES
EROSION CONTROL
Following the 1998 construction activities, the disturbed areas were
returned to their approximate original contOurs. Reclamation of the sites
included light grading and placement of native topsoil to a depth of 2 to 6
inches. This site reclamation work was performed by Delta Excavations,
Inc.
Contra Costa Landscaping implemented the remaining erosion control
measures. Steep banks above the revetment structures were covered with
jute fabric stapled to the back-fill. Straw waddles were placed at the top of
slopes, to control water sheeting down the slopes, and at the base of the
slope to control sediment run-off from entering the creek.
REVEGETATION PLAN
All of the areas disturbed during construction in 1998 will be revegetated,
as per the Mitigation and Monitoring Plan (LSA 1998). The revegetation
plan has been refined to accommodate on~site conditions. A Conceptual
Revegetation and Restoration Plan was written to provide implementation
guidance for the revegetation of the construction areas. Revegetation areas
will include the revetment structures, access routes, and staging areas.
Disturbed areas will be seeded with native seed, native shrubs and ground
cover will be planted, and all of the trees removed from the construction
areas will be replaced at a 3:1 ratio. Willow pole cuttings will be planted in
the revetment structures. The revegetation areas have been marked in the
field by the project biologist. The revegetation will be implemented by
Circuit Rider Productions, Inc.
swppp MONITORING
SWPPP monitoring will be 'conducted by Applicant, in compliance with the
RWQCB requirements. The Martin Canyon Creek construction project is
part of the Hansen Hill NOI and General Permit. Inspection reports will be
prepared in conjunction with the Hansen Hill project inspections which are
conducted before, during, and after storm events. Any erosion,
maintenance or repair activities, and monitoring information will be
included in the Hansen Hill project inspection reports.
CONSTRUCTION PLANS FOR 1999
The Applicant intends to complete construction of the Martin Canyon Creek
streambed stabilization project in 1999. Construction within jurisdictional
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limits is scheduled to begin no earlier than May 2, 1999, providing that the
stream flows have subsided enough from winter rains to allow for effective .
installation of dewatering measures. Completion of the project is
anticipated to be no later than October 1, 1999.
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APPENDIX A
REVISED TREE REPORT
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TREE SURVEY REPORT
MARTINCANYONCREEKSTREAMBAN~T ABILlZA TIONPROJECT
.
LSAstaff biologists surveyed Martin Canyon Creek in October and November
1997 and May 1998. They were variously accompanied by project engineers,
prospective construction contractors, officials from the City of Dublin Public
Works Department, and representatives from Warmington Homes. The
purpose of these visits was to develop a construction access plan that would
minimize impacts to trees, the streambed, and other sensitive resources.
Trees that could be directly affected by the project were marked with
numbered aluminum tags. The tags were placed at approximately breast
height (Le., 4.5 feet) on the side of the tree that faces the centerline of the
creek. Trees were assessed according to standard forestry mensuration
practices. A Biltmore stick was used to measure diameter at breast height
(DBH) on the upslope side of each tree. and the diameter of limbs. Only trees
with a trunk diameter of..2.. 4 inches were considered. A single aluminum tag
was placed on one of the stems of multiple.stemmed trees, but all stems and
limbs with a diameter of 2:..4 inches were measured and are considered "trees"
for mitigation purposes.
Table A lists the trees and includes information on the distance of each tree
from the centerline of Martin Canyon Creek, species of tree, number of stems,
or limbs, per tree, DBH of trees, or limb diameter, in inches, percentage of
decay, the location of trees, and treatment. Four treatments are considered:
.
Limb =
No direct impacts to the tree.
Cut minor branches to facilitate equipment
access, no branches greater than 4 inches in
diameter.
Remove upper portion of trunk extending across
the streambed, where the trunk could impinge
on 100-year flood event waters, However, do'
not remove the stump.
Remove entire tree, or remove limb > 4 inches
in diameter.
.
.
Save =
Trim =
.
.
Remove
=
Table A summarizes a total of 244 trees tagged, comprised of 428 stems ..2.. 4
inches DBH. Only 36 trees. stembs, or limbs ..2..4 inches were removed for
construction activities.
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Table A - Tree Survey, Martin Canyon Creek, Dublin, Alameda County, California
(Note: This table was updated, based on field studies conducted on 5/26/98, 7/31/98,
9/8/98 and 1015/98.)
Location Description Treat-
mentl
Tree Sta- Distance Species No. of DBH De- Notes
Tag tion (ft.)1 Stems (inches) cay
No. Direction ~4" (%)
from CL
1 8+ 15 5N Bay 2 160 25 in revetment SIT
16 0 in revetment S
9 0 R-limb
8 0 R-limb
5 0 R-limb
2 8+00 10$ Valley 4 22 0 S
Oak
34 0 S
24 0 S
18 0 S
3 8+65 65 Bay 2 22 25 S
16 0 S
4 9+90 5N Buckeye 3 7 0 in revetment R
6 0 in revetment T
8 0 in revetment T
5 10 + 00 5N Buckeye 8 10 0 in revetment S
8 0 in revetment 5
6 0 in revetment S
6 0 in revetment S
6 0 in revetment 5
6 0 in revetment 5
12 0 in revetment 5
7 50 in revetment 5
5 0 R-limb
4 0 R-limb
6 1 0 + 25 12N Bay 3 14 0 in revetment $
and access
28 0 in revetment S
and access
11 0 in revetment S
and access
7 10 + 30 ION Bay 2 15 0 in revetment SIT
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Location Description Treat-
Tree Sta- Species DBH Notes ment1
Distance No. of De.
Tag tion (ft.)! Stems (inches) cay
:"0[0. Direction 2:.4" (%)
from CL
7 0 in revetment 5
8 10 + 60 75 Bay 2 8 100 above S-snag
revetment
9 100 above 5-snag
revetment
9 10+ 170 95 Bay 3 13 0 above 5
revetment
4 0 above 5
revetment
6 0 above S
revetment
10 10+ 75 lIS Live Oak I 32 0 above S
revetment
11 11 + 15 5N Bay 3 13 0 5/T
75 0 5
75 0 S
12 11 + 70 95 Buckeye 1 4 25 in revetment 5 .
13 12+05 7S Bay 1 4 0 in revetment SIT
14 12+00 3N Buckeye 4 9 0 in access 5
6 0 in access 5
5 100 in access R-snag
12 50 in access S
15 12+ 10 8N Bay 1 9 0 5
16 13 +00 5N Bay 3 14 0 in revetment T
5 0 in revetment R-limb
11 0 in revetment R-limb
17 13+35 75 Live Oak 1 29 25 access above T
18 14+00 4N Live Oak 3 4 0 in revetment R-limb
8 0 in revetment R-limb
19 0 in revetment 5
19 14+ 15 18N Live Oak 2 15 0 in access T
18 0 in access T
20 14 + 25 5N Willow 1 18 50 in revetment R
21 15 + 30 5N Bay 3 8 0 in revetment 5
27 0 in revetment 5
10 0 in revetment 5
.
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LOc:1tion Description Treat-
ment1
Tree Sta- Distance Species No. of DBH De- Notes
Tag tion (ft.)/ Stems (inches) cay
No. Direction 2:.. 4" (%)
from CL
12 15 +40 6N Bay 1 21 0 in revetment S
23 15+55 6S Bay I 26 75 S
24 15 + 60 55 Bay 3 8 0 in access S
6 0 in access S
4 0 in access S
,- 15 + 80 IN Maple 1 25 0 in revetment 5
-:>
26 16+00 7N Bay I 6 0 in revetment T
27 16+ iO 15N Bay 4 9 0 in access T
40 ..,- in access 5
-:>
- 12 0 in access 5
7 0 in access 5
28 16+20 6N Bay 1 5 0 in revetment R
29 16 + 20 6N Willow I 8 30 in revetment R
30 16+55 iON Bay 1 24 20 in revetment T
31 16 + 60 8N Bay 2 6 0 in revetment S
7 0 in revetment S
32 16+60 12N Bay 1- 8 0 in revetment S
33 16+65 18N Bay 2 4 0 in revetment S
4 100 in revetment R-snag
34 16+65 15N Bay 1 12 0 in revetment 5
35 16+65 6N Bay 2 16 0 in revetment S
8 0 in revetment S
36 16+70 iON Bay 2 8 0 in revetment 5
4 0 in revennent S
37 18+45 20N Bay 1 26 0 along access S
38 18+45 5N Bay 2 11 0 in revetment S
9 0 in revetment 5
39 18+60 6N Live Oak 1 42 0 in revetment S
40 18 + 65 iON Bay 1 5 0 in revetment 5
41 18+65 18N Bay 2 31 0 above T
revetment
5 0 above T
revetment
42 18 + 80 iON Bay 2 16 0 above T
revetment
3
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Location Description Treat-
ment1
Tree Sta- Distance Species No. of DBH De- Notes
Tag tion (ft.)1 Stems (inches) cay
No. Direction 24" (%)
from CL
12 0 above T
. revetment
43 18 + 80 40N Live Oak 1 54 20 in access T
44 18 + 90 4N Bay 3 21 20 S
22 0 S
22 0 in access S
45 21 +45 12N Bay 2 10 0 in access T
7 0 in access T
46 21 + 70 24N Buckeye I 9 20 in access S
47 21+75 8N Willow 2 9 0 in access S
11 0 in access S
48 21 +90 15N Bay 1 4 0 in access S
49 22+00 22N Bay 3 9 0 in access S
6 0 in access S
5 0 in access T
50 22 + 30 ION Bay 6 9 50 In access S
16 0 along access T
14 0 along access T
22 0 along access S
15 0 along access S
51 24 + 85 6N Bay 7 11 100 above S-snag
revetment
17 0 above S
revetment
14 0 above S
revetment
8 0 above S
revetment
10 0 above S
revetment
8 0 above S
revetment
7 0 above S
revetment
-., 25 + 00 UN Bay 1 5 0 in revetment R
)-
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Location Description Treat-
I De~ ment1
Tree Sta- Distance Species No. of DBH Notes
Tag tion (ft.)! Stems (inches) cay
No. Direction ~4" (%)
from CL
53 25 + 10 25N VaHey I 32 0 along access $
OaK
54 25 + 15 20N WiHow I ,.,- 0 above $
-)
revetment
55 25 + 10 2S Bay 3 22 0 opposite $
revetment
20 0 opposite S
revetment
15 0 opposite T
revetment
56 25 + 30 5$ Maple I 11 0 by drop S
structure
57 25 +20 ION Bay 1 12 0 above $
revetment
58 25 + 25 ION Bay 1 7 0 above $
revetment
59 25 + 30 11N Bay 1 15 0 above $
revetment
60 24+45 18N Bay 1 22 0 along access T
61 28 + 85 6N Bay 5 26 20 east of low- $
water crossing
9 0 east of low- $
water crossing
6 0 east of low- $
water crossing
6 0 east of low- $
water crossing
6 0 east of low- S
water crossing
62 28+90 8$ Bay 2 14 0 by low-water $
crossing
9 0 by low-water $
crossing
63 28 + 95 7S Bay 2 4 0 by low-water S
crossing
4 0 by low-water $
crossing
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Location Description I Treat-
Notes ment 1
Tree Sta- Distance Species No. of DBH De-
Tag tion (ft.)! Stems (inches) cay
No. Direction ~4" (%)
from CL
64 29+05 8N Buckeye I 15 20 by l?w-water S
crossing
65 29+05 6S Bay 1 6 0 by low.water .S
crossing
66 29+ 15 46N Valley 1 42 0 next to low. T
Oak water crossmg
67 29 + 50 40N Bay 2 11 0 by low-water S
crossing
9 0 by low-water S
crossing
68 29+51 35N Bay 1 7 0 by low-water S
crossing
69 29+60 32N Bay I 4 50 by low-water S
crossing
70 29 + 55 30N Bay I 16 0 by low-water 5
crossing
71 32+50 105 Bay 2 6 0 next to access 5 .
5 0 next to access R-limb
72 32+55 4N Bay 2 26 0 in revetment T
17 0 in revetment T
73 32+60 3N Buckeye 2 6 0 in revetment T
6 0 in revetment 5
74 32+ 70 5N Bay 5 11 0 in revetment 5
7 0 in revetment S
6 0 in revetment S
5 0 in revetment S
8 0 in revetment S
75 32+85 ION Bay 1 5 0 above S
revetment
76 32+90 9N Bay 2 5 0 above S
revetment
4 0 above S
revetment
77 33 + 80 2N Bay 2 7 20 by drop S
structure
10 20 by drop S
structure
.
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Location Description Treat-
Tree Sta- ment1
Distance Species No. of DBH De- Notes
Tag tion (ft.)/ Stems (inches) cay
No. Direction .2:. 4" (%)
from CL
78 34+05 ION Bay 2 4 0 in revetment S
4 0 in revetment S
79 34 + 10 . 15N Bay 1 4 0 in revetment 5
80 34 + 15 18N . Bay 2 L2 0 in revetment S
9 0 in revetment 5
8 L 34 + 30 ION Bay 1 7 0 above R
revetment
82 34 + 40 ION Bay I 8 0 above S
revetment
83 34 + 50 7N Bay 4 8 0 in revetment SIT
8 0 in revetment 5
10 0 in revetment 5
4 0 in revetment 5
84 34 + 60 8N Bay 1 28 0 next to S
revetment
85 37 +20 165 Bay 1 7 0 above drop 5
structure
86 39+00 ZON Bay 1 8 0 in new ox- 5
bow channel
87 39+00 I8N Bay 1 8 0 in new OX- 5
bow channel
88 39+ 10 13N Bay 2 6 0 in new OX- 5
bow channel
10 0 in new ox- 5
bow channel
89 39+00 155 Bay 4 14 0 in new OX- 5
bow channel
27 0 in new OX- 5
bow channel
22 0 in new ox- 5
bow channel
5 0 in new ox~ S
bow channel
90 39+30 205 Bay I 15 0 in new OX- 5
bow channel
91 39+35 255 Bay 1 8 0 in new ox- 5
bow channel
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Location Description Treat-
Notes ment1
Tree Sta- Distance Species No. of DBH De-
Tag tion (ft.)! Stems (inches) cay
No. Direction ~4" (%)
from CL
92 39+35 265 Live Oak 1 18 0 in new ox- S
bow channel
93 40 + 75 85 Live Oak 1 22 0 in new ox- S
. bow channel
94 40+ 75 85 Willow I 4 50 in new ox- 5
bow channel
95 40 + 90 15S Live Oak I 20 20 10 new ox- S
bow channel
96 39+65 7N Willow 2 8 20 in new ox- R
bow channel
13 ,,- in new ox- R
-,
bow channel
97 39 + 70 4S Willow 2 8 0 10 new ox- R
bow channel
65 6 0 in new ox- R
bow channel
98 40+35 65 Willow 2 8 30 in new ox- R .
bow channel
12 30 in new ox- R
bow channel
99 40+35 8N Willow 1 15 60 in new ox- R
bow channel
100 40+50 8N Bay 1 10 10 in new ox- R
bow channel
101 40 + 80 12N Bay 2 8 0 in new ox- S
bow channel
10 0 in new ox- S
bow channel
102 40+90 5N Bay 1 6 0 in new ox- 5
bow channel
103 40+95 6N Bay 2 7 0 in new ox- S
bow channel
7 0 10 new ox- R
bow channel
104 41 +00 55 Willow 1 18 10 next to new 5
ox-bow
channel
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Location Description Treat-
ment1
Tree Sta- Distance Species No. of DBH De- Notes
Tag tion (ft.)/ Stems (inches) cay
No. Direction ~4" (%)
from CL
t05 42+35 15N Bay 2 36 20 next to S
.- revetment
7 0 next to S
revetment
106 42+40 lON Bay 3 16 10 next to S
revetment
16 0 next to S
revetment
8 0 next to S
revetment
107 42 + 45 lON Bay I 8 0 in revetment\ S
access
108 42+55 11N Bay 1 18 0 in revetment\ S
access
109 42+65 6N Bay 2 8 0 in revetment S
7 0 in revetment R-limb
110 42 + 70 0 Bay 2 10 0 next to S
revetment
20 0 next to S
revetment
111 43+65 5N Syca- 1 28 0 next to drop S
more structure
112 43+75 5N Bay 1 9 0 in revetment T
113 43 +65 12N Bay 1 7 0 next to drop S
structure
114 43+80 15N Bay 1 5 0 in access S
115 43 +85 20N Bay 1 5 0 in access S
116 43 + 85 12N Live Oak 1 26 5 above S
revetment
117 43+85 27N Bay 1 10 0 in access S
118 43 + 95 24N Bay 2 9 0 in access S
9 0 in access S
119 43+90 ZON Bay 1 5 25 10 access S
120 43 + 90 15N Bay I 7 0 in revetment S
121 43+90 8N Bay 1 10 0 in revetment S
122 44+00 16N Bay 1 4 0 in revetment SIT
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Location Description Treat-
ment 1
Tree Sta- Distance Species No. of DBH De- Notes
Tag tion (ft.)1 Stems (inches) cay
No. Direction 2:.4" (%)
from CL
P'" 44 + 05 0 Syca~ I 40 0 below S
-,j
more revetment
124 44+20 16N Bay I 7 0 in revetment S
125 44 + 20 18N Live Oak I 12 0 in revetment S
126 44 + 25 20N Bay I 8 0 in revetment S
127 45 + 20 8N Bay 2 14 0 in revetment S
10 0 in revetment S
128 45 + 25 ION Bay 11 0 S
129 45 + 15 30N Bay 2 14 0 above T
revetment
22 0 in access T
130 45 + 10 7N Bay 1 4 0 in revetment S
131 45 + 30 16N Maple 1 6 0 in revetment R
5 0 R
132 45 + 35 21N Bay 1 6 0 in revetment S
133 44 + 40 25N Bay 1 6 0 in revetment S
134 45 + 45 28N Live Oak 2 26 0 above S
revetment
28 0 above S
revetment
135 45 + 55 8N Live Oak 1 34 0 above S
revetment
136 46 + 25 185 Bay 1 17 0 above 5
revetment
137 46 + 50 185 Bay 2 11 0 above S
revetment
5 10 above 5
revetment
138 46 + 50 165 Bay 1 9 0 above 5
revetment
139 46 + 55 205 Live Oak 1 ..,- 0 above S
-,
revetment
140 46 + 70 15S Bay 1 6 0 next to S
revetment
141 46+ 75 105 Bay 1 13 0 next to S
revetment
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Location Description Treat-
Notes ment1
Tree Sta- Distance Species No. of DBH De-
Tag tion (ft.)1 Stems (inches) cay
No. Direction 24" (%)
from CL
142 46 + 75 3N Live Oak 2 10 0 opposite 5
. revetment
12 0 opposite 5
revetment
143 47+20 6N Live Oak 2 22 10 opposite 5
revetment
20 10 opposite S
revetment
144 47 + 25 45 Bay I 12 0 next to 5
revetment
145 47 + 50 IN Bay 3 18 0 next to 5/T
revetment
25 0 next to 5
revetment
30 0 next to S
revetment
146 47 + 50 105 Buckeye 1 5 0 opposite S
revetment
147 47 +60 105 Bay 1 12 0 above S
revetment
148 47+75 15N Bay 3 5 0 above R
revetment
6 0 above 5
revetment
8 0 above S
revetment
149 12 + 30 75 Bay 2 7 0 in access T
5 0 in access R-limb
150 13+60 across Willow 1 9 0 3 feet above S
creek bottom
151 20+00 across Bay 3 12 0 4 feet above S
creek bottom
16 0 4 feet above 5
creek bottom
12 0 4 feet above S
creek bottom
1 -.., 24+40 ION Willow 1 32 0 in revetment 5
:l_
153 24+75 6N Bay 4 3 0 10 access 5
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Location Description Treat-
Tree Sta- Distance Species No. of DBH De- Notes ment1
Tag tion (ft.)1 Stems (inches) cay
No. Direction ~4" (%)
from CL
3 0 In access S
. 3 0 in access S
5 "0 In access S
154 25 +00 25$ . Bay 2 4- 0 access area $
4 0 in access S
155 26+55 across Willow 2 9 10 5 feet above $
creek bO(tom
18 10 5 feet above $
creek bottom
156 31 + 25 across Bay 1 7 0 in log-jam in $
creek
157 33 + 25 across Bay I 7 50 in middle of S
creek
158 41 +05 across Bay 1 12 0 4 feet above R
creek bottom;
in access
159 41 + 50 across Bay 2 7 0 5 feet above $ .
creek bottom
7 0 5 feet above $
creek bottom
160 44 + 60 across Bay 1 ?? 0 3 feet above $
~ --
creek bottom
161 45+12 20$ Bay 1 5 0 above $
revetment
162 45 + 12 205 Bay 1 3 0 above $
revetment
163 45+ 14 20$ Bay 1 6 0 above $
revetment
3501 8+20 12$ Valley 2 21 0 adjacent to $
Oak revetment
19 0 adjacent to $
revetment
3502 8+60 ION Bay 2 28 0 in revetment $
9 0 in revetment $
3503 9+00 12$ Live Oak I 60 0 in creek $
3504 9+20 2N Bay I 40 0 in access $
3505 9+35 12$ Live Oak 2 16 0 in access $
.
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Location Description Treat-
Tree Notes ment1
Sta- Distance Species No. of DBH De--
Tag tion (ft.)1 Stems (inches) cay
No. Direction ~4" (%)
from CL
16 0 in access $
3506 9+50 2$ Live Oak 2 60 20 in access T
25 0 in access $
3507 II + 70 6N - Bay 3 8 0 in access S
8 0 in access $
8 20 in access $
3508 II + 80 8N Bay 2 8 0 in access $
14 0 in access S
3509 12+25 3$ Bay 2 5 0 in access $
7 0 in access $
3510 12+45 8N Bay 2 10 0 in access 5
7 0 in access 5
3511 12+50 0 Valley 1 5 0 in access $
Oak
3512 12+60 25 Live Oak I 8 0 in access $
3513 12+65 35 Live Oak 1 9 0 in access T
3514 12+ 75 3$ Bay 1 10 0 in access 5
3515 13+40 35 Bay 1 9 0 in access 5
3516 13 +40 12N Bay 1 6 0 in access 5/T
3517 13 + 60 12N Live Oak 2 22 0 in creek SIT
28 0 in creek S
3518 13 + 70 8$ Live Oak 1 23 0 in creek 5
3519 13 + 80 105 Bay 2 18 0 in creek 5
6 0 in creek $
3520 13 + 85 12$ Buckeye 6 7 30 in creek T
6 100 in creek $
5 30 in creek $
5 100 in creek $
5 100 in creek $
3 50 in creek 5
3521 14+05 65 Bay I 10 0 in creek 5
3522 14+25 105 Willow 1 14 0 in creek 5
3523 14 + 20 105 Bay I 7 0 in creek $
3524 16+00 85 Bay 1 10 0 in creek 5
r7- 17 + 25 3$ Bay 2 6 0 in creek 5
)-)
OS/04/98( P: \ WH0730\ TREES\ TREEJ. TBL)
13
6<7 err tit
LSA As.rociures. 11Ic.
Location Description Treat-
Tree Sta- Distance Species Notes ment1
No. of DBH De-
Tag tion (ft.)/ Stems (inches) cay
No. Direction ~4" (%)
from CL
8 0 in creek S
3526 17 + 25 25 Live Oak 2 18 0 in creek 5
19 0 in creek 5
3527 17 + 30 7N Bay I 7 25 in creek 5
7 0 R-limb
3528 17 + 35 7N Bay 4 3 0 in creek T
4 0 in creek S
18 0 in creek S
23 90 in creek S
3529 17 + 50 65 Bay I 6 0 in creek 5
3530 17 + 60 55 Bay 4 8 90 in creek 5
14 90 in creek 5
6 90 in creek 5
14 90 in creek 5
3531 18+ 15 12N Bay 3 12 0 in creek T
2 0 in creek 5
20 100 in creek 5
3532 19+55 6N Bay 22 50 in creek 5
17 0 in creek 5
24 0 in creek 5
42 30 in creek 5
3533 19 + 65 14N Bay 1 22 30 in creek 5
3534 22+55 4N Bay 1 60 0 in creek 5
3535 23 + 10 6N Bay 1 24 0 in access 5
3536 24 + 90 2N Bay 2 36 0 in access 5
24 0 in access 5
3537 25 + 10 6N Willow 2 24 100 in access 5
above
revetment
24 90 in access 5
above
revetment
3538 25 + 25 12N Bay 1 22 0 above 5
revetment
3539 25 + 10 10$ Buckeye 4 7 20 adjacent to 5 .
access
08/04/98( P; \ WH0730\ TREES\ TREE3. TBL)
14
.
--.
".
~'
69 c:f ZY
LSA Anociare.r. Inc.
Location Description Tre:lt-
Tree Sta- ment1
Distance Species No. of DBH De- Notes
Tag tion (ft.)! Stems (inches) cay
No. Direction ~4" (%)
.. from CL
7 0 adjacent to S
access
7 0 adjacent to S
access
9 0 adjacent to S
access
3540 25+35 12$ Bay 1 6 0 in accesS $
3541 25 + 80 20$ Bay 2 7 0 adjacent to $
access
4 0 adjacent to S
access
3542 25 + 25 -- Bay 4 5 0 adjacent to 5
access
4 0 adjacent to 5
access
4 0 adjacent to 5
access
3 0 adjacent to 5
access
3543 25+45 25 Bay 3 12 0 in creek 5
16 0 in creek S
12 0 in creek S
3544 32+40 4$ Buckeye 3 4 0 in creek S
6 0 in creek S
7 0 in creek S
3545 32+40 - Valley 1 38 0 in access 5
Oak
3546 33 + 80 45 Bay 2 20 100 in creek T
22 100 in creek T
3547 34 + 70 12N Bay 1 19 0 adjacent to S
access
3548 34+ 75 12N Bay 1 20 0 adjacent to S
access
3549 35+00 12N Bay 1 14 0 adjacent to $
access
3550 35+50 20N Live Oak 1 54 0 adjacent to 5
access
15
08/04/98(P: \ WH0730\ TREES\ TREE3. TBL)
7" c5 f'f
LS.-I.-tssociUfes. If/c.
Location Description Tre:lt-
Tree Sta- Distance DBH Notes ment1
Species No. of De~
Tag tion (ft.)1 Stems (inches) cay
No. Direction ~4" (%)
from CL
3551 35 + 70 20N Bay 4 42 30 adjacent to 5/T
access -
8 0 adjacent to T
access
12 0 adjacent to T
access
3 0 adjacent to 5
access
., ---, 35+90 20N Bay 2 12 0 along creek 5
.:l))_
8 25 along creek 5
3553 36 + 50 8N Bay 3 14 0 along creek S
10 0 along creek 5
8 90 along creek 5
3554 36 + 60 ION Bay I 8 0 along creek 5
3555 36 + 75 8N Live Oak I 28 0 along creek 5
3556 41 + 15 8N Bay 1 7 0 across access R
3557 41 + 20 6N Bay I 8 0 adjacent to 5
access
3558 41 + 20 4N Willow 1 32 40 adjacent to T
access
3559 41 + 20 5N Buckeye 1 14 0 adjacent to 5
access
3560 41 +45 20N Buckeye 1 28 0 adjacent to T
access
3561 42+35 85 Live Oak 1 26 0 along creek 5
3562 42+50 25 Bay 3 5 0 along creek 5
8 0 along creek 5
7 0 along creek 5
3563 42+60 10S Bay 3 6 0 along creek 5
6 0 along creek 5
9 0 along creek 5
3564 42 + 70 45 Live Oak 1 8 0 along creek 5
3565 43 +00 ION Bay 1 7 100 along access 5
3566 42+60 12N Bay 2 6 0 adjacent to S
access
.
16
08/Q4/98(P:\ WH0730\ TREES\ TREE3. TBL)
.
,
-.
..
1/ ot ~'/
LSA Assuciall!s. Illc.
Location Description Treat-
I DBH ment1
Tree Sta- Distance Species No. of De- Notes
Tag tion (ft.)/ Stems (inches) cay
No. Direction 2:.4" (%)
from CL
18 0 adjacent to 5
access
3567 42+50 30N Live Oak 4 30 0 adjacent to 5
access
18 0 adjacent co 5
access
12 0 adjacent co 5
access
16 0 adjacent to 5
access
3568 43 + 30 65 Bay 4 7 0 along creek 5
2 0 along creek T
3 0 along creek 5
3 0 along creek 5
3569 43 +35 125 Bay I 12 0 along creek 5
3570 43+90 30N Bay 1 6 0 along access 5
3571 43 +90 35N Bay 1 7 0 along access 5
3572 43+90 40N Bay 1 10 0 along access 5
3573 44+ 10 30N Bay 2 37 0 along access 5
19 0 along access 5
3574 45+40 205 Buckeye 1 11 0 along creek R
3575 45 + 70 ION Bay 5 10 30 along creek T
. . , ~ 12 0 along creek 5
14 0 along creek 5
16 0 along creek 5
16 0 along creek 5
3576 45 + 75 12N Bay 3 24 0 along creek 5
16 0 along creek 5
24 100 along creek 5
3577 45 + 65 25N Live Oak 1 17 0 along access 5
3578 47+ 80 15 Bay I 11 90 along creek 5
3579 47+95 25 Bay 1 to 0 along creek 5
3580 48 + 20 20N Live Oak 1 20 0 along access 5
3581 48 + 20 25N Live Oak I 36 0 along access 5
17
08/04/98(P: \ WH0730\ TREES\ TREE3. TBL)
I Treatment:
Save (S) = No cutting.
Trim (T) = Cutting of minor branches
Remove (R) = Removal of entire stem,
extending across streambed.
08/Q4/98(P:\ WH0730\ TREES\ TREEJ. TBL)
J;J, ~i 11
LSA Associales. Inc.
to facilitate equipment access.
or removal of upper portion of stem or limb
.
.
.
18
tJ 3 ,,' zri
LSA Associates, Inc,
.
APPENDIX B
PHOTOGRAPHIC RECORD
-, .
'.
1 2/09198(p:\ WH073O\REST0RE\ASBTJIL 1)
B.1
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Revetment No.4: View from top of bank after construction
12-09-98(WH0731R3&R4pholos)
LSA
~C> :r( 9}1
.
.
Revetment No.3 and No.4
.
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Before Construction (8'14/98)
View looking upstream
Before Construction (8/14/98)
View-looking downstream
After Construction (l0/30/98)
View looking upslream
;f
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After Construction (] 0/30/98)
View looking downstream
.Oq-9~(\\'H0731 ChannclpholoS)
LSA
73 ~ !5tJ
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View looking upstream
View of plunge pool on downstream side
J 2-09.98(WH073 I SlructurcpholoS)
LSA
g'/ q(?f
.
Rock Drop Structure