GPR Survey

Perform ground-penetrating radar surveys on the Coconino National Forest in Arizona to locate and characterize subsurface disturbances from previous excavation. The base Flagstaff unit covers approximately 2 acres; Red Rock and Mogollon Rim options add approximately 2 and 1 acres. Provide qualified GPR personnel, survey transects no more than 1 meter apart, at least 1.5-meter depth penetration, georeferenced anomaly mapping, raw and geospatial data, and draft/final reports. This is a total small-business set-aside under NAICS 541360, with the solicitation stating a $28.5 million size standard. Pricing is required for all items. Qualified subcontractors are permitted if identified in the response. No mandatory prequote site meeting was identified. Quotes are due October 28, 2026 at noon Mountain Daylight Time. Exact site maps and photos are intentionally withheld until award per the published Q&A.