Commitment to Safety • Reliable Results
Responsive Resources • Established Expertise

Penhall Technologies provides utility locating, employing both electromagnetic induction (EMI) and ground penetrating radar (GPR) for privately owned property. We can identify and locate subsurface hazards and obstructions existing in the ground. Reduce the risk and help ensure the safety of your next project by contacting Penhall Technologies for your private utility locating needs.

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Penhall helps solar company locate solar array and other private utilities underground

locate utilities and solar array for solar company Recently, a solar energy company hired Penhall Technologies to scan the lawn of a residential home. The solar energy company, wanted to find a clear path to dig a trench connecting the solar array to the power meter on the house, a distance of approximately 200 feet. The solar array was located in the rear of the home along with a barn outfitted with power and water, a pool, and several lampposts. The scan was completed using two different technologies. The first approach to this problem was to GPR scan the back yard to locate any anomalies in the ground. The GPR equipment used was a SIR 4000 with a 400 MHz antenna from GSSI. Buried objects found during the GPR scan included various types of power, water, communication lines, and a septic system. After locating all the possible hazards in the ground the trench was successfully completed without damaging any existing utilities. After, the GPR survey was complete an Electromagnetic Detection wand- the RD7100, was used to verify the accurate identification of power lines in the ground. The project was completed in a safe and non-destructive manner. Penhall Technologies of the Columbia/Charleston, SC area has the capability and the man power to meet your needs in a timely manner, ultimately ensuring your projects get finished safely and on time.

Locating a cornerstone in a masonry wall of 200 year old church

Locate valuable object under masonry wallA 200 year old local church requested assistance in locating a cornerstone in a masonry wall in downtown Charleston.  Our GPR Analyst was very excited to be asked to be part of such a project with significant historic relevance.

Identify underground utilities before pouring heavy duty concrete

locate utilities before pouring heavy duty concrete At a military air station in Beaufort, SC, Penhall Technologies was hired to perform GPR scanning to locate and mark underground utilities before the general contractor covered the ground with heavy duty concrete.  We were able to locate and mark all utilities in approx. 360 linear feet before safely laying the 180 linear feet of concrete.

Penhall locates utilities throughout Charleston county to prepare for installation of fiber optic lines

locate utilities for several homes before installing fiber optic cablesA general contractor reached out to Penhall to assist in locating cables in several residential neighborhoods throughout Charleston county in preparation for digging work. The contractor needed to install new fiber optic lines to each house from the road.