Geotechnical Drilling and Soil Sampling

This subcontract for Geotechnical Drilling and Soil Sampling supports Caltrans District 9 infrastructure projects by providing subsurface exploration and soil sampling for prime contractors. The scope of work involves borehole drilling and soil recovery for two overhead signs, three retaining walls, and two median cuts, utilizing either track-mounted or truck-mounted drill rigs. All operations must strictly adhere to Caltrans geotechnical specifications, and the contractor is required to deliver comprehensive field logs, soil samples, and borehole data. Eligible providers must be a licensed drilling contractor or a Professional Geologist. The project falls under NAICS code 238910 and is managed by the California Department of Transportation, District 9 in Bishop.