BOARD AGENDA MEMORANDUM
Government Code ? 84308 Applies: Yes ? No ?
(If "YES" Complete Attachment A - Gov. Code ? 84308)
SUBJECT: Title
Adopt Plans and Specifications and Authorize Advertisement for Bids for Construction of the Palo Alto Flood Basin Tide Gate Structure Seismic Retrofit and Rehabilitation Project, Project No. 10394001, Contract No. CO710 (Palo Alto, District 7).
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RECOMMENDATION: Recommendation
A. Adopt the Plans and Specifications and Authorize Advertisement for Bids for Construction of the Palo Alto Flood Basin Tide Gate Structure Seismic Retrofit and Rehabilitation Project per the Notice to Bidders; and
B. Authorize the Designated Engineer to issue addenda, as necessary, during the bidding process.
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SUMMARY:
The Palo Alto Flood Basin Tide Gate Structure Seismic Retrofit and Rehabilitation Project (Seismic Retrofit and Rehabilitation Project) will implement improvements to the Palo Alto Flood Basin Tide Gate Structure to address seismic vulnerabilities and extend the existing structure's service life. In addition to the seismic retrofit work, Operations and Maintenance has requested that the scope of the work include replacement of 6 existing hydraulic flap gates that were found to be degraded during routine maintenance inspections. Both seismic retrofit and flap gate replacement activities will be funded by the Watershed Asset Rehabilitation Project (WARP). The entire scope of construction will be completed between September 2025 and October 2026.
Project Background
The primary objective of the Palo Alto Flood Basin Tide Gate Structure (PATG) is to continue to protect residents from coastal flooding and control the downstream water levels for Matadero, Adobe and Barron Creeks, which all drain to the Palo Alto Flood Basin. Originally built in 1957, the PATG has exceeded its 50-year design life, and the surface of the concrete structure has degraded due to harsh conditions near the San Francisco Bay (Bay). The existing str...
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