Ground Penetrating Radar (GPR) provides state of the art technology to accurately locate objects within concrete. Its uses include locating rebar, post-tension cables, electrical conduits and voids. GPR is safe, uses no radiation and is able to locate nonmetallic materials such as PVC. Its quick, reliable and requires access to only one side of the structure. Accurate depth estimates are provided as well. Non-Destructive Testing, Structural Steel Inspection, INE, NDT, GPR