Wells 6, 12, 14, and 15 Site Improvements

Irvine Ranch Water District (IRWD) is soliciting sealed bids on removal and replacement of electrical and ventilation equipment, flow meters, instrumentation, and structural modifications at Wells 6, 12, 14, and 15 in Orange County, California under Invitation #11570, with bids due November 18, 2026 at 2:00 p.m. PDT. Bidding is restricted to prequalified DIR Public Works contractors registered with CADIR; prequalification for this project has closed, and IRWD will accept bids only from contractors already on the approved bidders list.

The project scope encompasses removal and replacement of electrical and ventilation equipment at four well sites, flow meter and instrumentation replacement, structural modifications, equipment pad installation, civil improvements, and pump and motor replacement at Well 15. Optional downhole well rehabilitation is included in the scope. The estimated bid value is $7.5 million on a lump-sum award basis, with a contract duration of 1,000 calendar days from the Notice of Award. Place of performance is the four well sites in Orange County, California.

Bid bonds of 10 percent, payment bonds of 100 percent, and performance bonds of 100 percent are required. Electronic bidding responses must include line items, a subcontractor bid form, and CARB certificates.

A mandatory onsite pre-bid meeting and site visit are scheduled for October 22, 2026 at 10:00 a.m. PDT at IRWD Sand Canyon Headquarters, 15600 Sand Canyon Avenue, Irvine, California 92618. The question-and-answer deadline is October 29, 2026 at 2:00 p.m. PDT. Rachael Ovcharenko (949-453-5624, ovcharenko@irwd.com) is the project contact. Bids are submitted to Neja Gajjar at Tetra Tech, the owner's agent.