UT 1065 FY2026-27 Water Main Improvements

The City of Ontario is soliciting bids to replace roughly 10,300 ft of aging water‑distribution mains in its downtown area, upsizing portions to 8‑, 12‑, and 18‑inch cement‑mortar‑lined steel pipe, and replacing associated valves, fire hydrants, and appurtenances. The contract includes extensive civil works such as trenching, utility coordination, traffic‑control, pavement removal and restoration, corrosion‑protection monitoring, and required testing and disinfection. The work must be completed within a 303‑day period after the Notice‑to‑Proceed, with strict schedule, liquidated‑damage, and prevailing‑wage requirements. • Replace existing mains with CML/CMC steel pipe (8‑, 12‑, 18‑in.) and install new gate and butterfly valves. • Remove and replace fire hydrants, install fire‑service laterals, and provide back‑flow prevention devices. • Perform utility potholing, traffic‑control planning, asphalt‑concrete resurfacing, ARHM overlay, and full water‑system testing/disinfection.