Commitment to Safety • Reliable Results
Responsive Resources • Established Expertise

Penhall Technologies can help you locate rebar, pipes, post and pre tension cables, conduits and many other subsurface hazards that may be hidden in concrete. Our expertly trained analysts can also detect voids within or underneath concrete slabs. As a safety leader in the industry, contractors, engineers, and government agencies have come to trust Penhall first for safe and precise scanning services.

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Inspecting concrete with ground penetrating radar to locate hazards to drilling

Inspecting concrete with ground penetrating radar to locate hazardsPenhall was called upon to do concrete scanning in several areas at a location in Charlotte, NC. The 8″ thick floor was inspected using ground penetrating radar for any obstructions or hazards. After scanning, it was safe to perform the intended drilling of multiple cores.

GPR scanning used to find structural reinforcements in multiple core drilling sites

GPR scanning to find obstructions such as structural reinforcementsIn response to a client in Greenville, NC, we were able to use our concrete scanning expertise to find obstructions, such as structural reinforcements, in multiple area before perform core drilling.

Scan Concrete Column to determine where the rebar is before drilling

scan concrete column using gpr to locate rebarPenhall Technologies was hired to perform GPR concrete scanning on a column to locate rebar. The contractor was required to know the location of the rebar in the column in order to drill cores to test the integrity of the column. We scanned a 3ft by 6ft area using the GSSI HR Mini to locate the vertical and horizontal rebar. Our GPR Analyst was able to successfully provide all the information needed to complete the project in a timely manner.

Ensure all conduits retain their integrity before cutting by locating them first

scan to locate rebar and conduit before cutting Penhall Technologies was hired to GPR Concrete scan in a hospital in Charlotte to locate conduit. The contractor was updating equipment and wanted to make sure no conduits would be cut in the process. We scanned 100 sq ft using the GSSI HR Mini to locate rebar and confirm no conduits were in the area. We also used a radio detection unit to confirm no live power was in the area. Penhall Technologies was able to ensure that no conduits were damaged during the completion of this project.

GPR used to scan elevated concrete slabs on multiple levels in preparation for drilling

concrete scanning in Charlotte North CarolinaPenhall Technologies completed scanning project at another location in Charlotte, NC. A customer needed 16 locations scanned on 16 different levels of a building prior to drilling. A GSSI StructureScan Mini was used to collect data in 16 4’X3’ areas around the desired locations. The customer wanted to locate any rebar and PT cable that may be in the slab. The result showed rebar and cable in the slab and were marked accordingly, which then gave a guideline of where it was safe to drill.