Cast-in-Place Concrete Siphon Construction

The contract involves the construction of a triple-box cast-in-place concrete siphon beneath State Route 190, encompassing all necessary excavation, formwork, reinforcement, and concrete pouring activities required to complete the structure. This is a subcontract under the NAICS code 238110, indicating it falls within the classification of heavy and civil engineering construction, specifically tied to utility system installation or related earthwork and structural concrete work. The project is managed by the Friant Water Authority in California, with the place of performance located along SR 190, though specific city and zip details are not provided. The solicitation was posted on July 2, 2026, and while the type of set-aside and point of contact are not specified, the work is critical to enabling reliable water conveyance under the highway infrastructure. All materials and methods must comply with engineering standards for structural integrity, durability, and long-term performance under environmental and vehicular loads.