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GPRS Locates Utilities, Vault, & Tunnel at Youngstown State University

Ground Penetrating Radar Systems was recently called out to a project by a general contractor to locate utilities for a project at Youngstown State University.  The scope of work was to locate any underground utilities for a new steam line that needed to be installed.  By using GPR and Radio Detection, many utilities were located.  Gas, electric, communication, chilled water, steam, sanitary, storm, and fire water were all located in the area of concern.  The outlining of an underground vault was also located with GPR as well as an underground tunnel that connected to the vault.  GPRS painted and flagged all utilities, the vault, and the tunnel on site.  In addition to locating the utilities on site, GPRS also completed a CAD and Google overlay of everything located on site to the contractor.  GPR and Radio Detection is an accurate and effective way of locating underground utilities, vaults, tunnels, and other obstructions prior to excavation.  Why dig not knowing where any utilities are when GPRS can locate and mark all utilities with depth indications for your safety!

The image below shows some of the many utilities located on site.

Below is an aerial displaying everything located on site.

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.
  • 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.

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.

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 conduits, rebar, and post tension cables in a concrete slab.

 

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