BOARD AGENDA MEMORANDUM
SUBJECT:Title
Receive Information on the Anderson Dam Seismic Retrofit Project Status. (PREVIOUSLY LISTED AS ITEM 2.6)
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RECOMMENDATION:Recommendation
Receive information on the Anderson Dam Seismic Retrofit Project.
Body
SUMMARY:
Background
The Anderson Dam Seismic Retrofit Project (ADSRP), Project No. 91864005, will correct dam seismic deficiencies and otherwise 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 90% design plans and specifications and supporting environmental and permitting documents. On February 20, 2020, the Santa Clara Valley Water District (Valley Water) received a letter order from FERC to immediately implement ADSRP-related interim risk reduction measures.
Valley Water is undertaking the Anderson Dam Federal Energy Regulatory Commission Order Compliance Project (FOCP) as a result of the February 20, 2020, directive from FERC to implement interim risk reduction measures at Anderson Dam. The construction improvements necessary to complete the FOCP broad categories of proposed risk reduction measures have been grouped into five construction sub-projects. In addition, there are several other non-construction measures which are being undertaken as part of the FOCP.
Relevant Prior Board Actions Relating to FOCP Capital Projects
Anderson Dam Tunnel Project
The Anderson Dam Tunnel Project (ADTP), Project No. 91864006, is one of five Capital Construction Projects comprising the FOCP. The ADTP is currently being constructed and includes building a diversion system to augment the existing outlet, consisting of a new diversion tunnel, an outlet structure, a micro-tunnel lake tap, and modifications to Coyote Creek jus...
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