Earthwork, Excavation, and Grading

The contract involves comprehensive earthwork activities including excavation, trenching, backfilling, and grading to facilitate the installation of a new reinforced concrete box storm drain and the removal of an existing reinforced concrete pipe system. All work must be executed with precision to ensure proper alignment, stability, and drainage functionality for the new infrastructure while safely dismantling and disposing of the obsolete system. The project is located in an area with a zip code of 91710 under the jurisdiction of San Bernardino County in California, with performance requirements tied to local engineering and environmental standards. The work falls under NAICS code 238910, classifying it as other heavy and civil engineering construction, and it is structured as a subcontract, indicating that the prime contractor is managing this scope as part of a larger infrastructure program. The solicitation was posted on June 16, 2026, and all activities are expected to comply with the contractual obligations and technical specifications defined by the county’s public works authority.