Concrete Flatwork and Structures

This subcontract for the California Department of Transportation involves concrete flatwork and structures for highway infrastructure projects in San Diego. The scope of work includes the forming and pouring of concrete curbs, sidewalks, Type 60MS barriers, and Type 6 retaining walls. For signal pole foundations, a specific corrosive-environment mix consisting of 75 percent portland, 20 percent pozzolan or fly ash, and 5 percent silica fume must be utilized. Environmental Product Declarations are required for any plants providing 250 or more cubic yards of material. The solicitation was posted on August 17, 2026, with a response deadline of October 22, 2026. The project falls under NAICS code 238110.