Drainage and Stormwater Systems

This subcontract for the City of Pomona involves the installation of a new drainage system and stormwater capture treatments for prime contractors working on local infrastructure projects. The scope of work specifically focuses on the west side of the SR 71 undercrossing, where the contractor will install secondary inlets, trench drains, and drop inlet grates engineered to handle 100-year storm events to intercept off-site runoff. The project includes the implementation of backflow prevention measures to ensure a functional stormwater drainage system that directs flow into the San Jose Creek channel. This infrastructure work is located in Pomona, California, under NAICS code 237110, and is scheduled for posting in August 2026.