BOARD AGENDA MEMORANDUM
Government Code ? 84308 Applies: Yes ? No ?
(If "YES" Complete Attachment A - Gov. Code ? 84308)
SUBJECT: Title
Update on Anderson Dam Seismic Retrofit Project and Coyote Creek Flood Protection Project.
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RECOMMENDATION: Recommendation
That the Santa Clara Valley Water District (Valley Water) Board and the City of San Jose (City) Mayor and Council receive an update on the Anderson Dam Seismic Retrofit Project and Coyote Creek Flood Protection Project.
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SUMMARY:
The Anderson Dam Seismic Retrofit Project (ADSRP) will correct dam seismic deficiencies and meet all current Federal Energy Regulatory Commission (FERC) and California Department of Water Resources, Division of Safety of Dams (DSOD) dam safety design standards. The full reservoir capacity will be restored upon completion of the project.
Throughout 2019 to early 2020, project staff and consultants had been progressing with preparation of the 90% design plans and specifications and supporting environmental and permitting documents. On February 20, 2020, Valley Water received a letter order from FERC to immediately implement interim risk reduction measures at Anderson Dam to protect the public from dam failure due to seismic activity.
Valley Water is undertaking the Anderson Dam Federal Energy Regulatory Commission Order Compliance Project (FOCP) to comply with the February 20, 2020, directive from FERC. The construction improvements necessary to complete the FOCP have been grouped into five sub-projects which are all in construction now. Updates for two of these projects, the Anderson Dam Tunnel Project and the Coyote Creek Flood Management Measures Project are provided below. In addition, there are several other non-construction measures which are being implemented as part of the FOCP including maintaining the reservoir at the lowest level possible, known as "deadpool."
The ADSRP team has prepared the 90% level design and the design plans are being revi...
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