Well 22 Treatment Project

The City of Manteca, California is requesting sealed bids for the Well 22 Treatment Project (CIP 26033), involving installation of an Arsenic and PFAS water treatment system at an existing municipal well site, with bids due October 15, 2026 at 2:00 p.m. PST and a mandatory pre-bid meeting and job walk on September 30, 2026 at 8:00 a.m.

The bidder must hold a valid California Class A Contractor's license at the time of bid submission. The scope encompasses furnishing all labor, materials, and equipment for demolition of existing site improvements, earthwork, concrete work, drilling, development and testing of the municipal well, piping systems, filter vessels, electrical and instrumentation systems, control systems, landscaping, and site restoration. The bidder must demonstrate at least three substantially completed projects of similar size within the past five years.

The estimated construction cost is $3 million. Substantial Completion is required within 120 calendar days of Notice to Proceed, with Final Completion within 150 calendar days thereafter. Liquidated damages are set at $2,800 per calendar day for delays beyond the specified completion timeframes. A bid guarantee bond of not less than 10 percent of the total bid amount is required with each submission. The successful bidder must furnish a Faithful Performance Bond and a Payment Bond, each equal to 100 percent of the contract price, from an admitted surety with a minimum A-Class IV rating per Best's Rating Guide.

The successful bidder must enter into a Contract Agreement with the City within ten calendar days of Notice of Award. All prevailing wage requirements as determined by the California Department of Industrial Relations apply; the contract is subject to compliance monitoring and enforcement by the Department of Industrial Relations. The deadline for written questions and RFIs is September 30, 2026 at 10:00 a.m. PST.