Polymer Injection System Project

The City of San Mateo is requesting sealed bids for construction of a polymer injection system at its Wastewater Treatment Plant (City Project No. 46T191), with bids due October 8, 2026 at 2:00 p.m. Bidders must be licensed by the State of California as a Class A Contractor.

The scope encompasses construction of two new polymer pumps on concrete equipment pads, two new polymer injection rings, associated piping, valves, and appurtenances, and electrical and instrumentation work including a new local control panel. The system is designed to reduce sludge cake pump operating pressures and improve sludge handling process reliability at the treatment plant located at 2050 Detroit Drive, San Mateo, California.

The estimated construction cost is $297,051. Bidders must purchase complete plans and specifications through Barker Blue to be eligible to bid. All bids require a bid bond, cashier's check, or certified check payable to the City of San Mateo in an amount not less than 10% of the aggregate bid amount. Each bid must include specific acknowledgement of receipt of all addenda issued during the bidding period or risk rejection as non-responsive.

Bidders must comply with non-discrimination requirements under United States Code Title 23 Section 112 and California Public Contract Code Section 7106. Questions regarding contract documents should be directed to Project Manager Jennifer Lam at jlam@cityofsanmateo.org or (650) 522-7380. Bidders are responsible for checking the City's website at www.cityofsanmateo.org/bids.aspx for any addenda issued during the bidding period.