Diesel Engines, Generators, and Electrical Switchgear Repair and Maintenance Services

Caltrans is seeking a qualified contractor to provide comprehensive diesel engines, generators, and electrical switchgear repair and maintenance services for its Transportation Management Center in San Diego, California. The procurement is structured as an Invitation for Bid (IFB) with specific requirements for preventative maintenance, troubleshooting, and repair services covering two generators, a 480V Zenith Paralleling Switchgear System, two Automatic Transfer Switches, and associated electrical components. Required services include quarterly preventative maintenance, annual comprehensive maintenance and testing, semi-annual low voltage breaker inspections, annual automatic transfer switch maintenance, 36-month preventative maintenance, annual load bank testing, source testing, and lab testing of coolant and fuel samples. The contractor must respond to routine service requests within 48 hours and non-routine requests within two hours. A mandatory site inspection is scheduled for November 6, 2025, at 10:00 a.m., with written questions due by November 10, 2025. Bids are due November 18, 2025, at 2:00 p.m., with bid opening at 2:30 p.m. and a proposed award date of December 1, 2025.

The contract includes specific set-aside and participation requirements, mandating a 25 percent Small Business participation goal and 3 percent Disabled Veteran Business Enterprise participation. Contractors must possess either an A (General Engineering Contractor) or C-10 (Electrical Contractor) license from the California Contractors State License Board and maintain current Department of Industrial Relations registration. Insurance requirements include $1,000,000 general liability per occurrence, $2,000,000 aggregate, $1,000,000 automobile liability, and workers' compensation insurance. A payment bond of 100 percent of the contract amount is required for bids exceeding $25,000. The total bid proposal shall not exceed $461,000, covering all labor, materials, parts, tools, and incidentals, with the contract term extending from December 15, 2025, through December 14, 2028. The bid includes line items for various maintenance services, repair labor at specified hourly rates, and a maximum 10 percent allowance for parts, materials, and supplies. Prevailing wage requirements apply as the contract exceeds $15,000.