GPRS Locates Underground Utilities Prior to Cable Trench Installation - Boardman, Ohio

Ground Penetrating Radar Systems was called by a general contractor for help with a project at a substation in Boardman, Ohio. The scope of work was to locate any underground utilities for a cable trench installation. The contractor needed to excavate a 200ft trench. By using GPR and Radio Detection, the grounding grid, conduits, electrical duct banks, and drain pipes were located in the area of concern. The majority of these utilities were within the first 3’ of depth, which is how deep the contractor needed to dig. GPRS located the utilities, and then painted them on the surface with depth indications. These utilities could have been hit if they were not located! GPR and Radio Detection is an accurate, and effective way of locating underground utilities prior to excavation. Why dig when you do not have an accurate record of the utility lines that are located at your project?

The images below show several the utilities that were located at the job-site.

GPR Utility Line Scan Before Trench Digging - Boardman, OH

Ohio Private Utility Scanning Services

For more information on how GPRS, Inc. can help you on your next project, please contact Micah Stair by phone at 330-639-8933, or e-mail him at In addition to locating utility lines, we are also able to locate conduits, rebar, and post tension cables with concrete slabs.

The information below lists further details about the equipment that was used at this project.


Ground Penetrating Radar (GPR)

Ground Penetrating Radar (GPR)

• GSSI SIR – 3000
• GPRS uses a Geophysical Survey Systems Inc. (GSSI) SIR-3000 Radar unit. This is the most advanced GPR available. It allows for on-site interpretation, as well as stores data for later processing. This equipment is self-calibrating, allowing more precise depth and location measurements.
• 400 MHz Antenna
• This antenna typically allows data collection to a depth of approximately 4’- 6’, with a maximum capability up to 12’ depending on soil conditions. This specific antenna was created and calibrated specifically for locating underground utilities, UST’s, and other underground anomalies.

Radio-frequency Detection System (RD)

Radiofrequency Detection System (RD)

• RD 7000+
• This is an electro-magnetic tone locating device manufactured by Radio Detection. This specific model detects live power and RF signals underground, allowing us to locate electrical or telephone lines even if they are below the minimum size requirements to be detected by GPR. It also allows us to detect utilities via induction or conduction with an exposed or known surface of the utility.

Ground Radar Scanning
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