Construction On State Highway In Alameda And Contra Costa Counties At Various Locations

The State of California Department of Transportation is soliciting bids for contract 04-0W0504, a Federal-Aid project focused on highway construction at various locations within Alameda and Contra Costa Counties. The project has an estimated value of 22.9 million dollars and involves a comprehensive scope of work including the installation of trash capture devices, Maintenance Vehicle Pullouts, and the Midwest Guardrail System. Additional requirements encompass roadway excavation, asphalt concrete paving, subsurface drains, concrete curbs, sidewalks, and modifications to existing lighting and ramp metering systems. The project also requires the management of regulated material containing aerially deposited lead, necessitating a lead compliance plan and adherence to DTSC and Cal/OSHA regulations. The contract is awarded based on the Lowest Price Technically Acceptable (LPTA) basis to the lowest responsible bidder. Key compliance mandates include adherence to Buy America/Build America requirements, prevailing wage laws, and the submission of Environmental Product Declarations for hot mix asphalt and concrete. Contractors must utilize Tier 4 Interim or Final off-road diesel equipment and provide a Cal/OSHA 30-hour or OSHA 510 certified Safety Representative. Performance is tracked via a baseline schedule, with job site activities commencing within 55 days of contract approval. Bids must be submitted electronically through the Caltrans Electronic Bidding system by September 17, 2026, and include a bidder's security of at least 10 percent of the bid amount.