Subcontractor shall provide all labor, materials, supervision, equipment and transportation required to perform a Differential Global Positioning S…
Office of NEPA Policy and Compliance
June 9, 2025
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Subcontractor shall provide all labor, materials, supervision, equipment and transportation required to perform a Differential Global Positioning System (DGPS) survey, for XYZ Mapping, of the Strategic Petroleum Reserve (SPR) pipelines. Perform a 360 degree internal high-resolution instrumented corrosion, electronic caliper and XYZ mapping survey and a 360 degree internal high electronic caliper pig survey of raw water and crude oil pipelines at all SPR sites.