Sonic Drilling Services (Soft Soils to Bedrock)

The contract calls for sonic drilling services up to 400 feet in depth across a range of geologic conditions including soft clays, sands, gravels, and hard bedrock to support geological exploration efforts. The scope of work encompasses full project execution from mobilization of specialized equipment and personnel to the actual drilling operations and final site restoration, ensuring minimal environmental impact and compliance with all relevant standards. The work must be performed with precision to accommodate the variable subsurface conditions, requiring advanced sonic drilling technology capable of penetrating both unconsolidated soils and consolidated rock formations without compromising sample integrity or borehole stability. The contract is classified as a subcontract under NAICS code 238990 and is issued by the California Department of Water Resources under the California state agency designation. The solicitation was posted on May 12, 2026, with a response deadline of June 10, 2026, at 7:00 PM. While specific performance locations are not detailed, the work is expected to occur within California. There is no set-aside designation, and the procurement opportunity is open to eligible subcontractors who meet the technical, operational, and safety requirements necessary to execute complex drilling operations in challenging geologic environments.