Sand Canyon Headquarters and Operations Center HVAC Upgrades (REBID)

The Sand Canyon Headquarters and Operations Center HVAC Upgrades (Project Nos. 12550 and 12551) is a solicitation by the Engineering Department of the Irvine Ranch Water District for comprehensive HVAC system replacements at two California locations. The scope of work includes the removal and replacement of chillers, boilers, piping, associated pumps, and ice bank systems, as well as the retrofit of Variable Air Volume boxes and a full upgrade of the HVAC controls system using CAT6e wiring. Key deliverables include fully operational systems and the completion of start-up and commissioning activities, with specific requirements for independent contractor testing of new boilers and electrical power distribution systems. Bids must be submitted electronically via PlanetBids by October 28, 2026, and require a 10% bid bond. The contract will be awarded to the lowest responsive and responsible bidder. Mandatory requirements for bidders include California CARB In-Use Off-Road Diesel-Fueled Fleet certification, safety program certification, and compliance with California Labor Code prevailing wage rates. The successful contractor must provide performance and payment bonds for 100% of the contract price. Performance is subject to strict limited duration work windows for the T8 Substation and specific seasonal requirements for boiler installation at the Sand Canyon Headquarters between July and October.