High-Strength Spray-Applied Culvert Lining (Shotcrete)

This subcontract opportunity involves the supply and installation of high-strength spray-applied shotcrete lining for culvert projects managed by the County of Sutter in Yuba City, California. The selected contractor will be responsible for applying a lining between 5/8 and 3/4 inch thick that adheres to strict ASTM standards and holds NSF61 certification. The lining system must achieve a compressive strength of 4000 PSI after one day and 8000 PSI after 28 days. To ensure quality and compliance, the project requires the use of nozzlemen certified under ACI CPP 660.1-17. Interested parties must submit their responses by November 10, 2026, for this specialized infrastructure work falling under NAICS code 238110.