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TO: BOARD OF SUPERVISORS, AS GOVERNING =—� � ``� Contra
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BOARD OF THE FLOOD CONTROL & WATER
CONSERVATION DISTRICT Costa
FROM: JULIA R. BUEREN, CHIEF ENGINEER °o= _ .•�r4 County
ST'4 COUti'�
DATE: September 16, 2008
SUBJECT: CONTINUE the emergency action originally taken by the Board of Supervisors on April 10, 2007,
regarding the Lower Walnut Creek Interim Protection Measures project, Pacheco area. (Flood Control
Zone 3B Funds) (Districts II & IV) Project No. 7520-6B8345
SPECIFIC REQUEST(S)OR RECOMMENDATION(S)&BACKGROUND AND JUSTIFICATION
RECOMMENDED ACTION:
DETERMINE that there is a need to continue the emergency action taken by the Board of Supervisors on
April 10,2007,pursuant to Public Contract Code Sections 22035 and 22050,to implement the Lower Walnut Creek
Interim Protection Measures project, Pacheco area.
FISCAL IMPACT:
The total estimated contract cost is $8,500,000, funded by Flood Control Zone 313 Funds.
CONTINUED ON ATTACHMENT: 0SIGNATURE
RECOMMENDATION OF COUNTY ADMINISTRATOROMMENDATIO OF BOARD C IT
APPROVE OTHER
SIGNATURE(S):
ACTION OF BOARD ON `/J7�jyy,6� �GJd APPROVED AS REC MENDED
VOTE OF SUPERVISORS: I HEREBY CERTIFY THAT THIS IS A TRUE AND CORRECT
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: Greg Connaughton(925)313-2271
GC:PD:cw
G:\FldCtl\Board Orders 2005 Onward\2008 BO\Lower Walnut Creek Emergency ATTESTED
BO 9-16-08.doc VICLERK OF THE BOARD OF SUPERVISORS
AND COUNTY ADMINISTRATOR
cc: County Administrator
Auditor—Controller
Public Works:
Julia R.Bueren,Chief Engineer BY: DEPUTY
R.Mitch Avalon,Deputy Chief Engineer
Kevin Emigh,Construction
Greg Connaughton,Flood Control
Paul Detjens,Flood Control
SUBJECT: CONTINUE the emergency action originally taken by the Board of Supervisors on April 10,2007,
regarding the Lower Walnut Creek Interim Protection Measures project, Pacheco area.
(Flood Control Zone 3B Funds) (Districts II & IV) Project No. 7520-6138345
DATE: September 16, 2008
PAGE: 2 of 2
REASONS FOR RECOMMENDATIONS AND BACKGROUND:
A. On April 10, 2007, the Board of Supervisors declared an emergency and authorized the Chief Engineer to
proceed in the most expeditious manner to repair or replace the Lower Walnut Creek flood control facility as
directed by the US Army Corps of Engineers.
B. Repair status:
The Contra Costa County Flood Control and Water Conservation District(District)prepared the Lower Walnut
Creek Corrective Action Plan and presented it to the US Army Corps of Engineers for consideration on June 11,
2007. A status report,including this Corrective Action Plan(CAP),was presented to the Transportation,Water
and Infrastructure Committee on June 25, 2007. Project plans were prepared and the District contracted with
Pacific States Environmental Consultants to construct the first phase of the Lower Walnut Creek Interim
Protection Measures project pursuant to the CAP. This first phase of the project was completed in early
December 2007. However, additional work is required to fully implement the CAP.
The CAP is currently under review by US Army Corps of Engineers Headquarters. The full scope and schedule
of the CAP will not be known until completion of the federal review.
CONSEQUENCES OF NEGATIVE ACTION:
Nonconcurrence with the above recommendation may significantly delay implementation of the remaining CAP
work in Lower Walnut Creek flood control facility and prevent the District from meeting the correction schedule
required by the US Army Corps of Engineers.