Geophone Array Supply

The contract is for the supply of 24 individual geophones with a natural frequency of 4.5 Hz, each featuring vertical orientation, a 3-foot lead cable, a galvanized spike for secure ground insertion, and plate adaptors for versatile deployment. These geophones are intended for use in seismic monitoring applications and must meet exact technical specifications to ensure accurate data collection. The procurement is structured as a subcontract under a Total Small Business Set-Aside, meaning only small businesses certified under the SBA can compete, as defined by FAR 19.5. The North American Industry Classification System code is 334519, classifying the supplier as being in the Other Electronic Component Manufacturing sector. Performance of the contract is required at Lakewood, Colorado, with a ZIP code of 80228. The solicitation was posted on June 30, 2026, and responses must be submitted by 8:00 PM on July 9, 2026. The issuing agency is the 6982AF Central Federal Lands Division under the Department of Transportation, and the contracting opportunity is accessible via the SAM.gov portal.