BOARD AGENDA MEMORANDUM
SUBJECT:Title
Adopt Plans and Specifications and Authorize Advertisement for Bids for the Almaden Valley Pipeline Inspection and Rehabilitation Project, as part of the 10-Year Pipeline Inspection and Rehabilitation Project No. 95084002, Contract No. C0685 (San Jose, Unincorporated Santa Clara County) (District 1, District 7).
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RECOMMENDATION:Recommendation
A. Find that the Almaden Valley Pipeline Inspection and Rehabilitation Project is substantially complex and requires a construction contract retention of 10 percent;
B. Adopt the Plans and Specifications and Authorize Advertisement for Bids for Construction of the Almaden Valley Pipeline Inspection and Rehabilitation Project per the Notice to Bidders; and
C. Authorize the Designated Engineer to issue addenda, as necessary, during the bidding process.
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SUMMARY:
The objective of the Almaden Valley Pipeline Inspection & Rehabilitation Project (Project) is to ensure the reliability of the Almaden Valley Pipeline and to extend the useful life of the facility until a more robust long-term replacement strategy is constructed via the Almaden Valley Pipeline Replacement Project.
Project Background
The Almaden Valley Pipeline (AVP) transmission system includes approximately 11.6 miles of 72" to 78" prestressed concrete cylinder pipe (PCCP) and welded steel pipe. AVP begins at Calero Reservoir and ends at Vasona Pumping Plant. Raw water from San Luis Reservoir, Anderson Reservoir, and Calero Reservoir is conveyed through Santa Clara Valley Water District's (Valley Water) raw water transmission network to AVP. AVP then conveys this raw water to Santa Teresa Water Treatment Plant through Santa Teresa Force Main; to Rinconada Water Treatment Plant through Vasona Pumping Plant and Rinconada Force Main; and to Penitencia Water Treatment Plant through the Vasona Pumping Plant and Central Pipeline.
The AVP is comprised of three pipeline segments: Unit I (4.4 miles), Unit II Phase 1...
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