To: The Contra Costa County Flood Control and Water Conservation District Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: Maintenance Agreement with the California Department of Transportation for proposed levee project and the operation and maintenance of the levee access road at State Highway 4 and Grayson Creek, Pacheco area.
?Recommendation of the County Administrator ? Recommendation of Board Committee
RECOMMENDATIONS:
Acting as the governing body of the Contra Costa County Flood Control and Water Conservation District (Flood Control District), APPROVE and AUTHORIZE the Chief Engineer, or designee, to execute a Maintenance Agreement with the California Department of Transportation (Caltrans) that allows the Flood Control District to maintain a levee maintenance access road within the Caltrans right-of-way on Grayson Creek, effective March 25, 2025, and will remain in effect until terminated in writing by either party.
FISCAL IMPACT:
Maintenance activities performed under this Agreement will be funded through Flood Control District Drainage Zone 3B funds. (Project No.: 7520-6B8348)
BACKGROUND:
The Flood Control District maintains over 79 miles of creeks and levees throughout Contra Costa County. Portions of the Grayson Creek and Walnut Creek levees are planned for improvements through a joint project funded by the Flood Control District and the Central Contra Costa Sanitary District (CCCSD) to reduce flood risks to the local infrastructure, including the CCCSD wastewater treatment plant in Martinez. Caltrans requires a Maintenance Agreement for the portions of the Grayson Creek levee improvements within its right-of-way along Old Imhoff Drive, adjacent to State Route No. 4. As part of the Agreement, the Flood Control District will indemnify and defend Caltrans against any liabilities arising from the use of the Caltrans property. The Flood Control District staff recommend that the Board approve the execution of the...
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