BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Adopt Plans and Specifications and Authorize Advertisement for Bids for the Almaden Valley Pipeline Inspection and Rehabilitation Project, Project No. 95084002 Contract No. C0631 (City of San Jose, Town of Los Gatos, and Unincorporated Santa Clara County), (Districts 4 and 7).
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RECOMMENDATION:
Recommendation
A. Adopt the plans and specifications and authorize advertisement for bids for inspection and rehabilitation of the Almaden Valley Pipeline per the Notice to Bidders;
B. Authorize the Designated Engineer to issue addenda, as necessary, during the bidding process; and
C. Find that the Almaden Valley Pipeline Inspection and Rehabilitation Project is substantially complex and, therefore, requires a construction contract retention of 10 percent.
Body
SUMMARY:
The Almaden Valley Pipeline Inspection and Rehabilitation Project (Project) is the first project to be completed under the District's 10-year Pipeline Inspection and Rehabilitation Program. The purpose of this program is to maintain the integrity of the approximately 140 miles of large diameter raw and treated water transmission pipelines, extend their useful life, and address infrastructure reliability concerns. Approving the recommended actions will allow staff to proceed with advertisement for construction bids for the Project.
Project Background
The proposed Project involves inspection, maintenance, and rehabilitative work on the Almaden Valley Pipeline (AVP) as part of the Pipeline Maintenance Program (PMP).
The AVP consists of approximately 12 miles of 72-inch to 78-inch diameter Prestressed Concrete Cylinder Pipe (PCCP) and welded steel pipe (WSP). The pipeline was constructed in two major segments; AVP Unit 1 was constructed in the 1960's, and AVP Unit 2 was constructed in the 1980's. The AVP is used to supply raw water to the District's water treatment plants and groundwater recharge facilities. In 2007 and 2008, staff completed inspection ...
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