Roadway excavation, HMA, and modifying lighting systems.

Contract 10-1N3304 is a solicitation by the California Department of Transportation for a construction project on State Highway Route 120 in Stanislaus County, specifically from 0.7 mile east of Dillwood Road to 0.3 mile east of Wamble Road near Oakdale. The project focuses on improving traffic safety through the addition of a left-turn channelization lane, involving roadway excavation, the application of rubberized hot mix asphalt, and modifications to lighting systems. The estimated project cost is 3,720,000 dollars, with bids required on a unit price basis. Job site activities must commence within 90 days of contract approval, pending the acceptance of a CPM baseline schedule, contingency plan, and applicable water pollution control plans. The contract mandates strict adherence to Buy America and Build America provisions for iron, steel, and manufactured products, as well as compliance with California prevailing wage rates. Key technical requirements include the use of specific electrical standards for lighting and signal heads, and the use of ACI Concrete Field-Testing Technician Grade 1 certified personnel for quality control. Environmental compliance is critical, as the project is subject to a Biological Opinion from the U.S. Fish and Wildlife Service to protect the California tiger salamander. Bidders must provide a security deposit of at least 10 percent of the bid and submit an In-Use Off-Road Diesel-Fueled Vehicle List. The response deadline for this solicitation is September 23, 2026.