Basin D Sewer Rehabilitation

The Basin D Sanitary Sewer Rehabilitation Project, identified as City Project No. 465091-46000-9151-46215, is a municipal construction solicitation issued by the City of San Mateo, California. The project scope involves extensive rehabilitation of the Basin D Sewer System, including spot and segment repairs at 315 locations, full pipeline replacement at 18 locations using open-cut or pipe bursting methods, 106 lateral connections, and the rehabilitation or replacement of 21 manholes. Key deliverables include over 52,000 linear feet of pre- and post-installation CCTV inspections and 1,007 linear feet of public right-of-way restoration. All work must be performed in accordance with a Soil Management Plan for the handling and disposal of contaminated soil and groundwater. The contract is structured as a firm-fixed-price agreement with a performance period of 200 working days from the Notice to Proceed. Bids ranged from approximately 3.85 million to 6.86 million dollars. Mandatory requirements for bidders included attendance at a pre-bid conference, registration with the California Department of Industrial Relations, compliance with state prevailing wage laws, and the submission of a bid bond totaling at least 10 percent of the bid amount. The City retains 5 percent of the contract price for 35 days following the Notice of Completion. Project oversight is managed by the Department of Public Works, with final acceptance contingent upon successful field verification and post-installation CCTV inspections.