Effluent 66 Inch Valve Replacement

The City of Riverside, California, Department of Public Works is requesting bids for removal and replacement of a 66-inch butterfly valve at the Riverside Water Quality Control Plant, with bids due October 29, 2026 at 12:00 p.m. PDT and a mandatory onsite pre-bid meeting and job walk on October 15, 2026 at 10:00 a.m. at 5950 Acorn Street, Riverside.

Successful bidders must hold a current State of California Class "A" General Engineering Contractor's license or Class "C-34" Pipeline Contractor's license in good standing. This is the primary eligibility gate.

The scope requires removal of the existing 66-inch butterfly valve and installation of a City-provided replacement valve, including furnishing and installing all required flexible couplings and nut-bolt gasket kits for connection. Existing flanges and spool pieces must be protected in place and reused. Attendance at the mandatory pre-bid meeting is required; participants must wear safety vests, eye protection, hard hats, full-length pants, and closed-toed shoes.

The estimated contract value is $163,000 on a lump-sum basis. The contract commences October 13, 2026. Bids must be submitted electronically through the City's PlanetBids Vendor Portal. A bid bond equal to at least 10 percent of the proposal amount, executed by a corporate surety with an A:7 rating and notarized, is required by the proposal deadline. Performance and payment bonds are each required at 100 percent of the contract value. Questions are due October 20, 2026 at 12:00 p.m. PDT. Bid offer validity is 120 days.