Routine and Non-Routine Compressor and Pressure Tank Services in Alameda, Contra Costa, Marin, San Francisco, San Mateo, and Solano.

The California Department of Transportation (Caltrans) is seeking a contractor to provide routine and non-routine compressor and pressure tank services across Alameda, Contra Costa, Marin, San Francisco, San Mateo, and Solano counties. The procurement involves maintaining eight compressors and two pressure tanks at five District 4 bridge facilities, including Burma Maintenance Station, San Francisco Oakland Bay Bridge, Yerba Buena Island, Carquinez Bridge Toll Plaza, and Benicia Abutment Sub Station. Specific services include semiannual 4,000-hour maintenance on compressors and annual maintenance on pressure tanks, with detailed technical requirements outlined in the solicitation. Bidders must possess a valid Department of Industrial Relations registration and either a Class A General Engineering or C-36 Plumbing Contractor license. The written question deadline is January 13, 2026, at 5:00 p.m., with bid submissions closing January 22, 2026, at 2:00 p.m., followed by a bid opening at 2:30 p.m. the same day. The estimated award date is January 29, 2026, with the agreement term running from February 1, 2026, to January 31, 2029.

The contract includes specific set-aside provisions and preferences for small businesses and disabled veteran-owned businesses. A five percent Small Business preference is available for certified small businesses, micro businesses, or small businesses for public works, while a five percent Disabled Veteran Business Enterprise incentive applies to bids with 100 percent DVBE participation. The total combined incentives are capped at $100,000. The total bid proposal must not exceed $461,000.00, with pricing structured around nine line items covering routine maintenance at specific locations and 300 hours of non-routine maintenance, plus a materials and supplies allowance capped at 10 percent of the subtotal. Contractors must provide proof of general liability insurance ($1,000,000 per occurrence/$2,000,000 aggregate), automobile liability ($1,000,000 combined single limit), and workers' compensation coverage. Prevailing wages apply for bids exceeding $15,000, and payment bonds equal to 100 percent of individual service requests are required if service request prices exceed $25,000. Notably, subcontracting is not permitted under this agreement, and services will be performed during normal business hours Monday through Friday, 6:30 a.m. to 4:00 p.m., excluding State holidays.