BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Amendment No. 2 to Agreement A3778A with URS Corporation for Dam Safety Evaluation Services for a Not-to-Exceed Fee of $800,000, Resulting in a Total Not-to-Exceed Fee of $8,600,359 for Dam Safety Evaluation of Coyote, Chesbro, and Uvas Dams Project, Project No. 91084019 (Unincorporated Santa Clara County) (District 1).
End
RECOMMENDATION:
Recommendation
Approve Amendment No. 2 to Agreement A3778A with URS Corporation for Dam Safety Evaluation Services for a not-to-exceed Fee of $800,000, resulting in a total not-to-exceed fee of $8,600,359.
Body
SUMMARY:
The District conducts an ongoing comprehensive dam safety program for the benefit of public safety, and to assure operational availability of the reservoirs. All ten of the District's major dams are operated under the regulatory jurisdiction of the California State Department of Water Resources, Division of Safety of Dams (DSOD).
In February 2017, major incidents at Oroville Dam led to significant damage and erosion of its spillways. As a result, Governor Brown ordered that detailed evaluations of large spillway structures at all high-hazard dams be conducted before the next flood season.
Per the Governor's directive, DSOD completed a reconnaissance-level assessment of spillways at the District's Almaden, Anderson, Calero, Chesbro, Coyote, Guadalupe, Lenihan, Stevens Creek, and Uvas dams. In April 2017, DSOD requested the District perform an additional comprehensive condition assessment at each of these spillways, including foundation materials, concrete lining, and drainage system.
The District submitted detailed work plans to DSOD to perform the required comprehensive spillway assessments for Coyote, Chesbro, and Uvas dams on September 26, 2017, and received DSOD approval on October 9, 2017.
Under Agreement A3778A, URS Corporation (Consultant) is performing dam safety evaluations for Coyote, Chesbro, and Uvas dams to identify potential failure modes, and p...
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