Off-Site Detention Basin Construction

The contract involves the excavation, grading, and construction of a 3.53-acre off-site detention basin designed for flood protection, complete with inlet and outlet structures and comprehensive erosion control measures. This project is part of a larger infrastructure effort to manage stormwater runoff and mitigate flood risks in the Chino Hills area, with all work to be performed at the designated site within the city limits. The work falls under NAICS code 237310, classifying it as stormwater and sewer pipe and related construction, and is structured as a subcontract, indicating it is part of a broader project managed by a prime contractor. The contract was posted on July 17, 2026, and the performance location is confirmed to be Chino Hills, California, though specific address details and point of contact information are not provided. All construction activities must comply with local and state standards for drainage, environmental protection, and erosion control to ensure long-term functionality and regulatory compliance.