Replace drainage, Elect systems, and guardrail with Conc barrier.

Contract 12-OT7304 is a solicitation issued by the California Department of Transportation for construction work on State Highways Route 133 and Route 241 in Orange County. The scope of work involves replacing drainage and electrical systems and installing concrete barriers to replace existing guardrails. Specific project locations include Route 133 from 0.5 mile south of the Irvine Boulevard overcrossing to the Route 133/241 separation, and Route 241 from 0.4 mile south of the Portola Parkway overcrossing to 0.4 mile south of the Windy Ridge Toll Plaza. The project requires the implementation of Midwest Guardrail System components and detailed pavement structural sections using hot mix asphalt. The bidding process is conducted on a unit price basis via the Bid Express website. While the original bid opening was set for September 24, 2026, Addendum No. 1 extended the deadline to October 7, 2026. Bidders must provide security equal to at least 10 percent of the bid and submit an In-Use Off-Road Diesel-Fueled Vehicle List. The contract mandates compliance with Buy America standards and requires the payment of prevailing wages as determined by the California Department of Industrial Relations. Job site activities must commence within 55 days of contract approval, following the submission and acceptance of a CPM baseline schedule and environmental protections such as a SWPPP. Payment is processed monthly through the department's prompt payment monitoring system.