IFB 11A4252, Warm-Air Heating, Ventilating, and Air Conditioning (HVAC) Air Handler Unit (AHU) Replacement, in San Diego County

Caltrans District 11 has issued an Invitation for Bid (IFB) 11A4252 for a comprehensive HVAC air handler unit replacement project located in San Diego County. The procurement requires a qualified contractor to decommission, remove, and legally dispose of two existing Liebert HVAC air handler units and related condenser coils, and subsequently furnish, install, and commission two new Liebert HVAC AHUs (Model VS042ADA0EI110S or equivalent) and two new condenser coils (Model MCS056E8ADA110 or equivalent). A mandatory site inspection is scheduled for October 31, 2025, at 1:30 p.m., with written questions due by 4:00 p.m. the same day. Bids are due November 13, 2025, at 2:00 p.m., with bid opening at 2:30 p.m. The contractor must possess a valid C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license and Department of Industrial Relations registration. Key qualifications include the ability to perform all installation work during normal business hours (Monday through Friday, 7:00 a.m. to 4:00 p.m.), excluding State holidays.

The procurement includes specific set-aside and participation goals, with a 25 percent Small Business participation requirement and a 3 percent Disabled Veteran Business Enterprise (DVBE) participation mandate. An incentive program offers up to 5 percent additional consideration based on verified DVBE participation levels. If the bid exceeds $25,000, a Payment Bond of not less than 100 percent of the contract amount is required. The total bid proposal shall not exceed $461,000.00, with the contract term estimated to commence January 1, 2026, or upon Caltrans approval, and expire December 31, 2026. Comprehensive insurance requirements include $1,000,000 per occurrence/$2,000,000 aggregate general liability, $1,000,000 automobile liability, $1,000,000 employers' liability, and $1,000,000 per incident/$2,000,000 aggregate pollution liability coverage. Prevailing wages apply if the total bid exceeds $15,000, adding another layer of compliance for potential bidders.