IFB Designated Underground Storage Tank Operator (DUSTO) Services, San Diego, CA

The California Department of Transportation (Caltrans) District 11 is requesting bids for Designated Underground Storage Tank Operator (DUSTO) services at its Transportation Management Center in San Diego, with bids due June 9, 2026 at 2:00 p.m., and a mandatory site inspection on June 2, 2026 at 10:00 a.m.

A 5% Small Business or Micro Business preference is available to certified firms with a maximum preference amount of $50,000; a separate 5% Disabled Veteran Business Enterprise incentive applies under a combined $100,000 incentive and preference cap. The contractor's office must be located within fifty miles of the TMC to ensure emergency response capability.

The scope includes decommissioning and replacing an automatic tank gauge, monthly visual inspections of underground storage tanks, annual leak monitor certifications, overfill prevention and secondary containment integrity testing, employee training, and routine and non-routine repair services. Performance occurs at 7183 Opportunity Road, San Diego, during normal business hours (7:00 a.m. to 4:30 p.m., Monday–Friday) for routine work and on-call for emergencies. Subcontracting is prohibited.

The contractor must hold a valid California Contractors State License Board C-61/D-40 license, a current California UST System Operator certificate from the International Code Council, and Department of Industrial Relations registration—all mandatory qualifications.

The contract term is three years, commencing July 1, 2026 and expiring June 30, 2029. State prevailing wages apply. Bid prices must include all labor, equipment, materials, travel, insurance, and taxes; materials, supplies, parts, and permits for repairs are reimbursable at actual cost up to ten percent of the subtotal bid amount, substantiated by original receipts. Caltrans will award to the lowest responsive and responsible bidder. Written questions are due June 3, 2026 at 5:00 p.m., with an estimated award date of June 16, 2026.