GPRS Locates Electrical Conduits at Kent State University

On December 19th 2016, Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) survey at Kent State University.  The contractor needed to saw cut a trench to install new sanitary lines to replace the existing sanitary.  The contractor needed to know if there were any conduits in the area to avoid saw cutting through them.  GPRS located many live electrical conduits that would have been damaged during saw cutting operations.  The conduits were painted on the surface with depth indications so that the contractor could safely saw cut over or around them without hitting the conduits.  The site had no knowledge of the electrical conduits found.  Without GPRS on site, there could have been serious damage to the electrical lines.  Before you saw cut or core drill, call GPRS to know what’s underground!

The picture below shows live electrical conduits in red along with the contractor’s saw cutting in orange.

Kent State University1
Kent State University2

Equipment

Equipment

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 onsite interpretation, as well as stores data for later processing. This equipment is self-calibrating, allowing more precise depth and location measurements.
  • 1600 MHz Antenna
    • This antenna allows data collection to a maximum depth of approximately 18”, depending on concrete conditions

Ground Penetrating Radar Systems is the best way to ensure the locations of reinforcement and conduits prior to saw cutting/drilling through concrete.  For more information on how GPRS, Inc. can help you on your next project, please contact Micah Stair at 330-639-8933 or by email at micah.stair@gp-radar.com.  We also have the capabilities of locating underground utilities, UST’s, and voids.

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