Earthwork and Grading

The contract encompasses earthwork and grading activities essential for the construction of a reservoir, specifically including excavation, soil compaction, and site grading to meet the standards outlined in ASTM D1557 and the approved engineering plans. All work must be performed in strict compliance with these technical specifications to ensure structural integrity and long-term performance of the reservoir foundation. The project is located in Fontana, California, with a ZIP code of 92337, and falls under the NAICS code 237300, which classifies it as a water and wastewater construction project. This is a subcontract awarded through the State Water Resources Control Board, California, and was posted on July 14, 2026, indicating it is part of a larger public infrastructure initiative. The site-specific requirements and compliance with federal material testing standards underscore the importance of precise execution and quality control throughout the earthwork phase.