Concrete Scanning, GPR, & X-Ray in Raleigh, NC

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111 First Flight Lane, Morrisville, NC 27560

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Your local scanning expert

Penhall Technologies Scanning Analyst Blaine


  • BS in Geology from Wittenberg University in Ohio
  • OSHA 30 Certified
  • Scissor/Boom lift Certified
  • Researched glacial streams in Austria as an undergraduate

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Find rebar and post tension cables with concrete scanning

Finding rebar and locating post tension cables with concrete scanningDrilling into a floor can be a dangerous task. For this reason, a client in Henderson, NC contacted us to do concrete scanning to detect any obstructions, such as post tension cable or rebar. We scanned a 12” x 12” area so that two 4” cores could be safely drilled.

GPR scanning on concrete wall to detect hazards before cutting

concrete wall scanning to detect hazards within slab before cuttingPenhall used ground penetrating radar for many areas at a single location in Durham, NC. Overall, we did concrete scanning for 20-30 areas of a concrete wall above 7′ to locate any underlying hazards.

Locate rebar and post tension cable to safely remove hotel balcony

Locate rebar and post tension cables before demolitionPenhall Technologies was hired to GPR concrete scan a balcony and hallway of a hotel to locate rebar and post tension cable. The contractor wanted to locate rebar and post tension cables in order for the cables to be exposed and re-tensioned in order for the balcony to be removed safely. We scanned 300 sq ft using the GSSI HR mini to locate multiple bundles of Post Tension cable and the contractor immediately exposed all the cables to confirm our markings.

Avoid rebar in concrete slab when drilling with GPR scanning

scanning before drilling to avoid rebar in concrete slabPenhall completed a request for GPR scanning in Semora, NC. The customer wanted to scan for rebar in a concrete slab. The slab was going to have a deep core drill measuring 12” x 24”.

Serving the Raleigh Community with GPR Concrete Scanning services

Concrete scanning for raleigh north carolinaIn September 2016, Penhall had the opportunity to complete concrete scanning for a general contractor at the downtown Raleigh bus station. Our client wished to install brackets on every floor of the parking garage elevator shaft, and had Penhall scan the wall and ceiling areas first to avoid hitting rebar and post tension cables. Having scanned before drilling into the concrete, the contractors can be assured that their project will progress in a safe and timely manner. We are fortunate to have worked on a project that will serve the Raleigh community for many years to come!

Identify rebar patterns on a concrete wall to ensure safety while core drilling

identify rebar patterns on concrete wall In December 2016, Penhall was called by a large engineering company to complete scanning and core drilling at the Orange County Water and Sewer Authority wastewater treatment facility in Carrboro, NC. This plant provides clean drinking water to the surrounding community, including the University of North Carolina at Chapel Hill, home of the North Carolina Tar Heels. The engineers needed three locations scanned and cored for their project, and we were happy to oblige. The image provided shows the rebar pattern on the wall of a water basin, which was located using the GSSI Mini HR scanner. Because the location was approximately 15 ft. high, we set up scaffolding to access the location safely. By detecting the rebar before coring at these three locations, the engineers were able to flawlessly move forward with their project in a timely manner.