Geotechnical Evaluation and Soil Classification

This subcontract focuses on providing geotechnical evaluations and soil classification services for prime contractors working on USACE El Monte Pipeline projects. The scope of work involves conducting soil sampling and creating geotechnical investigation logs specifically for pipeline routing and tunnel portals across sites B-1 through B-11. To complete these tasks, the contractor will utilize specialized drilling rigs, soil sampling tools, and geotechnical laboratory equipment to produce detailed investigation logs and soil classification reports. The project is categorized under NAICS code 541330 and is associated with the City of San Diego in California, with the place of performance located in zip code 91942. The contract was posted on June 9, 2026, and is managed through the California environmental quality system.