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TO: BOARD OF SUPERVISORS -=� . Contra
FROM: MAURICE M. SHIU, PUBLIC WORKS DIRECTOR Costa
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DATE: APRIL 25, 2006 County
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SUBJECT: APPROVE CONTRACT AMENDMENT WITH BLANKINSHIP &ASSOCIATES, INC.
SPECIFIC REQUEST(S)OR RECOMMENDATION(S)&BACKGROUND AND JUSTIFICATION
RECOMMENDED ACTION:
APPROVE and AUTHORIZE the Public Works Director, or designee, to execute a contract amendment with
Blankinship&Associates,Inc.,effective March 31,2006,to extend the term from March 31,2006,to September 1,
2006,and to increase the payment limit by$11,000 to a new payment limit of$33,000 for the Pesticide Surfacewater
Investigation,Countywide.(County Stormwater Utility Assessment Funds)(All Districts)Project No.7517-6W7221
FISCAL IMPACT:
There is no impact to the County General Fund. This project is funded by County Stormwater Utility Assessment
Funds.
CONTINUED ON ATTACHMENT: [E SIGNATURE:
RECOMMENDATION OF COUNTY ADMINISTRATOR REC MENDATION F BOARD CM EE
APP YE OTHER
SIGNATURE(S): {'
ACTION OF BO RD N p4J APPROVED AS RECOMMENDED OTHER
VOTE OF SUPERVISORS: I HEREBY CERTIFY THAT THIS IS A TRUE AND CORRECT
'" i COPY OF AN ACTION TAKEN AND ENTERED ON
UNANIMOUS(ABSENT ) MINUTES OF THE BOARD OF SUPERVISORS ON THE
AYES: NOES; DATE SHOWN.
ABSENT: ABSTAIN!
Contact: Peter Inouye(925-313-2317)
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G:\GrpData\FldCtl\Board Orders 2005 Onward 2006 BO BO-Blankinship ATTESTED�( /
Amendment 4-25-06.doc JOHN CULLEN,CLERK OF THE BOARD OF
SUPERVISORS
cc: CAO
County Counsel
Public Works—Flood Control Division Q
BY: Q �/`�� ,DEPUTY
1.1SUBJECT: APPROVE CONTRACT AMENDMENT WITH BLANKINSHIP &ASSOCIATES, INC.
DATE: APRIL 25, 2006
PAGE: 2 of 2
REASONS FOR RECOMMENDATIONS AND BACKGROUND:
Contra Costa Countyhas a Countywide National Pollutant Discharge Elimination System(NPDES)permit for their
storm drain systems. For the purposes lof permit compliance and to proactively address water quality issues, the
County Watershed Program desires to better understand the presence and extent of the organophosphate pesticides
diazinon and chlorpyrifos in stormwater and urban runoff in Contra Costa County.
The severe rainstorms previous to and on December 31,2005,damaged the County-owned sampling equipment,and
have caused unexpected recovery time,repairs,and delays to the project. Additional funds and time will be required
to adequately complete the surfacewater investigation.
CONSEOUENCES OF NEGATIVE ACTION:
Without the increase in time and funds,Iihe project can not be completed,and the County may be unable to fulfill all
the requirements of the County's NPDS Permit. It would also impair the County Watershed Program's ability to
analyze the presence of organophosphate pesticides in its waterways and apply this knowledge towards current
pesticides.