Geotechnical Subsurface Exploration and Drilling

This subcontract for Geotechnical Subsurface Exploration and Drilling supports City of Glendora reservoir projects by providing essential subsurface exploration and site reconnaissance. The scope of work involves executing test pit excavations and subsurface drilling using drilling rigs, backhoes, and augers to collect critical soil and rock samples. The contractor is responsible for delivering detailed test pit logs and physical samples to the prime contractor. All operations must adhere to strict regulatory standards, including USCS Soil Classification, SCAQMD Rules 402 and 403, and the NPDES General Storm Water Permit. The project is located in Glendora, California, under NAICS code 211130, and is managed by the City of Glendora.