Past Project Archive

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Featured Concrete Scanning Story

GPRS Scans For Conduits Prior To Saw Cutting

Ground Penetrating Radar Systems was recently called by a local contractor to a building renovation project in Columbus, Ohio. The scope of work was to identify and mark any conduits that may be cut during saw cutting. The contractor needed to avoid damaging any conduits so they would not waste time or money repairing them. GPRS, LLC. was able to use GPR equipment to accurately locate and mark out several conduits that would have been struck during the saw cutting process.

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Featured Utility Locating Story

Scanning For Underground Storage Tanks (UST)

Ground Penetrating Radar Systems was recently called to a project by a local healthcare company in Columbus, Ohio. The scope of work was to scan a section of grass near an existing generator mapping out and locating and underground storage tank and other utilities before digging to put in a new fence.

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Ground Penetrating Radar Systems was recently called by a local electrician to help assist in the installation of a couple concrete core drilling locations in Columbus, Ohio. The electrician needed to core drill through the slab to install a couple conduits. Ground Penetrating Radar Systems was able to identify clear areas as well as mark and identify reinforcing steel and beams located in the slab. Providing the electrician with as much...

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Ground Penetrating Radar Systems was recently contracted to complete a site investigation prior to the installation of new equipment at an active compressor pad. The compressor pad was going to be staying active through most of the project and delays due to utility damages or other line-strike issues were a major cause of concern the General Contractors on site.

GPRS was tasked with locating any underground utility on site such as: gas,...

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GPRS (Ground Penetrating Radar Systems Inc.) was hired by Kraton Polymers to scan in the vicinity of a burst water line inside their Chemical Plant before they excavated to fix it. The initial site contact thought that there was nothing that ran through the area but wanted to be sure by calling GPRS to double check for any utilities and to locate the waterline itself.

GPRS found several lines including water, fire water, storm, fiber,...

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A General contractor in Cincinnati, OH needed to core a drill hole at a major construction site downtown. Being that the core was for a new fire suppression system, the size of the core would be 10" in diameter. Knowing that this was a Post Tension slab and the risk of hitting a Post Tension cable was high, it needed to be scanned/X-rayed. GPRS, LLC. specializes in this application of work; identifying Post Tension cables and other...

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GPRS (Ground Penetrating Radar Systems Inc.) was hired by Ohio State University (OSU) to locate utilities running through their laser labs, inside their robotic welding and additive manufacturing research building. GPRS was able to locate utilities running through the area, as well as the type of reinforcing within the concrete and the concrete slab thickness.

Pictured here is a GPRS Project Manager scanning in front of Ohio State's...

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Ground Penetrating Radar Systems was recently called by a local general contractor to help assist in the installation of a couple concrete core drilling locations in Columbus, Ohio. The contractor needed to core drill through the slab to install a couple conduits. Ground Penetrating Radar Systems was able to identify clear areas as well as mark and identify reinforcing steel and or potential conduits in the slab. Providing the general...

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Ground Penetrating Radar Systems was recently called by a local environmental firm to help assist in locating existing radiant heating tubes in the slab prior to core drilling in Cincinnati, Ohio. The contractor needed to core drill through the slab to install railings. Ground Penetrating Radar Systems, Inc. was able to arrive on site in a quick manor and begin assisting the contractor with their needs which allowed the project to stay on...

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Ground Penetrating Radar Systems - GPRS – completed a GPR (concrete scanning “x-ray”) service in Cincinnati, Ohio. When a customer needed to core drill in a post tension slab, they contacted Ground Penetrating Radar Systems to provide assistance. The client was wanting to core drill but was unsure of the post tension locations within the slab. Upon arrival, the customer walked us through the...

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GPRS (Ground Penetrating Radar Systems Inc.) was hired by Midcity Electric to mark out 12 core drilling locations on a pan decking slab, spread over two floors of the AEP high-rise office building in downtown Columbus, Ohio. GPRS marked highs and lows of the metal pan decking, as well as any conduits running through the concrete. We then recommended to the customer to drill through the highs of the pan decking, as we are better able to...

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The highly anticipated Sonic Temple Art and Music Festival, located at Mapfre Stadium in Columbus, Ohio, featured a lineup led by multiplatinum artists: Foo Fighters, System Of A Down and Disturbed. During the preparation for the festival, Columbus Crew hired GPRS (Ground Penetrating Radar Systems Inc.) to find and locate all underground utilities in the surrounding areas and stadium parking lots. This was scheduled prior to teams moving in...

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GPRS was recently hired by a local contractor to scan a 10” thick, elevated slab in an equipment building at a local water treatment plant. Prior to our arrival, the contractor determined that there were four possible locations he wanted us to scan in order to run conduit through the slab to the floor below. The contractor planned to core three 2” diameter holes in each of the four locations scanned in order to run conduit to new equipment...

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Ground Penetrating Radar Systems (GPRS) was requested to come on site by a general contractor to perform a Ground Penetrating Radar (GPR) investigation at a hospital that is preparing to have a brand new room put inside of the west wing of the building on the ground floor. The contractor is needing to saw cut several trenches to install new drain lines and electrical/communication conduits running through the renovation area. The contractor...

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GPRS (Ground Penetrating Radar Systems, Inc.) was recently hired by a local contractor to scan a concrete slab-on-grade areas in different sections throughout a major retail store. The contractor planned to cut and remove the existing slab in order to build a foundation for a new freezer. Prior to our arrival, the contractor began saw-cutting, but was then informed by the store manager that electrical conduits may be running under the slab...

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Ground Penetrating Radar Systems Ohio (GPRS Ohio) was recently called out to a project by an environmental company to locate utilities for a project on a 60+ acre lot inside of an active coal mine. The scope of the project was to locate any and all underground utilities for almost 50 soil boring sample locations to be drilled down 25+ feet. By using GPR and Radio Detection, GPRS was able to safely clear each specific location of any...

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GPRS recently completed a private utility locate at CVG International Airport in Hebron, KY. The scope of the project consisted of the addition and removal of entrance ramps from a highway, and the building of a new parking garage (designed to hold rental car companies much closer to the main terminal). When contacting us about this project, the contractor stated that they needed to determine as much of the underground infrastructure as...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) survey. 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 a bank of live electrical conduits that were just below the concrete slab at 5” depth...

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Ground Penetrating Radar Systems was recently called out to a project by a general contractor at a state correctional facility in Grafton, Ohio. The scope of work was to locate any underground utilities for a trench where new communication conduit needed to be installed. The contractor needed to excavate a 575 ft trench. By using GPR and Radio Detection, main electrical power at 4’ deep, main communication line 3’ deep, and main gas line at...

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Ground Penetrating Radar Systems (GPRS) was requested to come on site by a general contractor to perform a Ground Penetrating Radar (GPR) investigation and survey at a gas station that is preparing to have a brand-new fast food restaurant put inside of the building. The contractor is needing to saw cut multiple trenches to install new lines running through the storefront.

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Ground Penetrating Radar Systems was recently called out to a project by a general contractor to locate utilities for a project at UPMC ballpark. The scope of the project was to locate any underground utilities for a new playing field to be installed after a bulldozer takes out the existing surface of the entire baseball field. By using GPR and Radio Detection, many utilities were located. Electric, communication, data, and drainage systems...

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Ground Penetrating Radar Systems was recently called by a local contractor to locate underground utilities that may be struck during excavation in Columbus, OH. The scope of work was to identify and mark utilities that cross that may be in the area of a new foundation. The contractor was working outside of a golf course, and could not risk striking a utility. GPRS, LLC. was able to use GPR and EM locating equipment to accurately locate and...

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Ground Penetrating Radar Systems was recently called by a local environmental firm to help assist in the installation of vapor pins in Columbus, Ohio. The contractor needed to core drill through the slab to install the pins. GPRS was able to identify clear areas as well as mark and identify reinforcing in the slab. The contractor was able to drill safely and avoid hitting any conduits or reinforcing in the process. GPRS, LLC. was able to get...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) survey at the Cathedral Parking Garage in Cleveland, Ohio. The contractor needed to remove about 20’x20’ section of concrete on the ground floor. The contractor needed to know if there were any conduits in the area to avoid saw cutting through them. GPRS located three live electrical conduits and one...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) survey at the Green Urology in Green, Ohio. The contractor needed to remove about four 4’x4’ sections of concrete on the ground floor. The contractor needed to know if there were any conduits in the area to avoid saw cutting through them. GPRS located three live conduits, three rebar and footers that were in or...

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Ground Penetrating Radar Systems was recently called by a local contractor to scan an existing space that was being renovated in Beaver Creek, Ohio. The contractor needed to saw cut the concrete slab in multiple areas to install new plumbing and electrical conduits. The space had been renovated, and there were no drawings that showed what utilities existed under or within the slab. Striking a conduit or shallow utility when saw cutting can be...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) scan at the Cleveland Clinic-Richard E Jacobs Health Center. The contractor needed to saw cut a trench to install new plumbing lines and remove existing drains. The contractor needed to know if there were any conduits in the area to avoid saw cutting through them. GPRS located two active electrical/data banks of...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor at Kohl’s to perform a Ground Penetrating Radar (GPR) scan. The contractor needed to saw cut several areas of the building, however prior to saw cutting, they wanted to have each area scanned.

Thanks to GPRS, LLC. the conduits were marked out to ensure no conduits would be hit. In addition to marking the results of the scan onto the project surface...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) scan at the University Hospital in Parma, Ohio. New sanitary lines were being placed in the dish room and the concrete floor needed to be saw cut in designated areas. Multiple electrical conduits, a water line, & sanitary lines were located. The water line as well as electrical conduits were just below the...

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Ground Penetrating Radar Systems was called by a local contractor to conduct a concrete scan at a building renovation project in Columbus, OH. The scope of work was to locate and mark out any conduits that were in the proposed saw-cutting locations, as the project required the contractor to saw-cut several locations so that they could install new electrical conduits.

After discussing the scope of the project with the customer, GPRS...

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Recently, Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) scan at the Southerly Waste Water Treatment Plant. The purpose was to locate any conduits and rebar in the concrete slab. The contractor didn’t want to hit any rebar or electrical conduits during core drilling. All rebar and conduits were marked out in areas of concern and the general contractor was able...

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Ground Penetrating Radar Systems was recently called by a local contractor to a renovation project at the Ohio State University in Columbus, Ohio. The scope of work on this project was to determine the location of any reinforcing steel or post tensions cables that could be cut during the core drilling process. GPRS, LLC. was able to use GPR equipment to accurately locate and mark out all reinforcing steel and post- tension cables in the...

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Ground Penetrating Radar Systems of NW Ohio recently assisted on a project where hollow core concrete needed repair. The contractor needed to locate the hollow cells to fill them with concrete to repair damaged sections of the slab. The cores were placed over the hollow areas to make openings to pump concrete into the cells without damaging any of the tensioned cables used for support.

Nondestructive testing such as ground penetrating...

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Recently, Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) scan at the Landmark building in Beachwood, Ohio. The contractor saw cut through a high pressure water line just under the slab and needed to locate the line as well as any conduits prior to additional saw cutting. GPR located the water line along with two conduits in the areas to be saw cut. The lines...

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Ground Penetrating Radar Systems was recently called by a local contractor to a renovation project at the water treatment facility in Columbus, Ohio. The contractor needed to core drill through the slab to install new electrical services. GPRS marked out all reinforcing steel and conduits within the slab so that the contractor could avoid damaging conduits, and jeopardizing the integrity of the slab. GPRS, LLC. was able to get to the job in a...

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Ground Penetrating Radar Systems was recently called by a local construction company to a project at a PNC Bank in Columbus, Ohio. Scope of work was to scan a concrete slab on grade locating and mapping out conduits before saw cutting to run new conduits for electronic teller systems. After scanning with GPR, there were several conduits that were marked out in the area of saw cutting that would have been struck if it had not been scanned....

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Ground Penetrating Radar Systems was recently called to a project by a local construction company in Columbus, Ohio. The scope of work was to scan a section of grass and an existing concrete slab locating and mapping out underground utility lines before excavating. There were several utility lines that were marked out using GPR that would have been struck during excavating. GPRS, LLC. was able to get to the job in a timely matter to map out...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) scan. The purpose of this scanning project was to locate all of the post tension cables within a concrete slab. Multiple areas were scanned on the roof to ensure that the contractor would not hit any post tension cables during the anchor drilling process. All of the cables that were located in areas of concern were...

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When a contractor needed to verify that there was no rebar in the concrete in the area where they wanted to core drill they called Ground Penetrating Radar Systems. GPRS marked the Rebar directly onto the surface and since there is no radiation involved the occupied building didn’t need to be cleared of any workers. GPRS used ground penetrating radar for the concrete scanning to mark out the rebar. The GPRS Tech, Nate Kollar, was able to...

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The Toledo Zoo has been a recurring customer of GPRS the past few years. Recently, their 70-year old museum was experiencing water damage to its northwest foundation wall and was flooding the basement on a frequent basis. The zoo decided that repairs were necessary and the foundation needed to be exposed and repaired.

The zoo decided to contract GPRS to perform a ground penetrating radar survey to locate underground utilities near the...

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Ground Penetrating Radar Systems was recently called to a project Corna Kokosing in Columbus, Ohio near German Village. The scope of work was to scan a section of an asphalt parking lot locating and mapping out a water line and other underground utility lines before excavating to tap into the existing water line that needed to be identified. There were several utility lines including the water line that were marked out using GPR that would...

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KGE Arena Seating Company needed to drill through concrete floor of the ice rink at Quicken Loans Arena in Cleveland, so they first called GPRS, LLC. KGE knew that there were pipes containing glycol embedded in the concrete. Instead of risking drilling through one of these pipes and disrupting the glycol pipe network, KGE first called GPRS to map out the pipes. Ground Penetrating Radar was able to map out the precise locations of each pipe...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) scan at the Akron Children’s Hospital in Akron, Ohio. The contractor needed to know where the top and bottom rebar were for multiple locations on an elevated slab where core drilling was to be performed. GPRS also located an electrical conduit that could have been cored through in the concrete slab. The contractor...

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When a contractor needed to verify that there were no conduits in the concrete in the area where they wanted to core drill they called Ground Penetrating Radar Systems. GPRS marked the conduits directly onto the surface and since there is no radiation involved the occupied building didn’t need to be cleared of any workers. GPRS used ground penetrating radar for the concrete scanning to mark out the rebar. The GPRS Tech, Nate Kollar, was able...

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Ground Penetrating Radar Systems was recently called to a project by a local healthcare company in Columbus, Ohio. The scope of work was to scan a section of grass near an existing generator mapping out and locating an underground storage tank and other utilities before digging to put in a new fence. This was part of a grease trap that went to the kitchen just inside the building. GPRS, LLC. was able to get to the job in a timely matter to...

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A contractor in Columbus, Ohio contacted GPRS to scan a job site for utility lines prior to digging a trench for a new utility line. The contractor was working around a communications cell tower, and they could not risk hitting any utilities. After arriving on site, GPRS, LLC. was able to use GPR equipment to locate and mark out the utilities that would have been hit during the digging process. GPRS, LLC. was able to get to the job done in a...

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Ground Penetrating Radar Systems was recently called by a local contractor to a building renovation project in Columbus, Ohio. The scope of work was to identify and mark any conduits that may be cut during saw cutting. The contractor needed to avoid damaging any conduits so they would not waste time or money repairing them. GPRS, LLC. was able to use GPR equipment to accurately locate and mark out several conduits that would have been struck...

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Ground Penetrating Radar Systems was recently called by a local contractor to a renovation project in downtown Columbus, Ohio. The scope of work on this project was to determine the location of any conduits, or utilities running within or below the slab, prior to saw cutting. The contractor did not want to damage, or replace any conduits during the process. GPRS, LLC. was able to use GPR equipment to accurately locate and mark out any...

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Ground Penetrating Radar Systems was recently called by a local contractor to a new building construction project in Columbus, Ohio. The scope of work on this project was to determine the location of any reinforcing steel or post tensions cables that could be cut during the core drilling process. The contractor could not hit any reinforcing steel in order to maintain the structural integrity of the slab. GPRS, LLC. was able to use GPR...

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When Net Jets, a Berkshire Hathaway company, decided to add pillars to the new mezzanine area, they had concerns that the existing concrete would not be thick enough to support each of the six pillars. In order to accurately determine the thickness and verify proper steel reinforcing in the Port Columbus International Airport facility, Net Jets called, Ground Penetrating Radar Systems in Dayton, Ohio. On site GPRS was able to precisely...

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When Harlem Township in Delaware County, Ohio took control of a cemetery dating back to 1830, they needed to make sure they had as much information about what was under the ground as possible. The township government decided to use Ground Penetrating Radar Systems and Nate Kollar from the Columbus, Ohio office to create a map and give the trustees important data to help them best serve the families of those buried in the cemetery. Using a...

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Ground Penetrating Radar Systems was recently called by a local contractor to a renovation project in Westerville, OH. The contractor was core drilling in order to install new electrical feeds near the columns of the building, and needed to know where they could safely core through the slab. The slab featured pan decking construction; this means that we will mark out the high and low areas and recommend that the contractor drill only in the...

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Ground Penetrating Radar Systems was called by a local contractor to scan the floor of an existing building prior to the installation of new sanitary lines. The scope of this project was to determine the locations of conduits and/or shallow utilities so that the contractor could perform their planned saw-cutting. The contractor wanted to avoid any repair costs, or lost time on the project, and they knew that if they called GPRS, they would be...

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Ground Penetrating Radar Systems was recently called by a local construction company to a project at Nationwide Children’s Hospital in Columbus, Ohio. Scope of work was to scan a concrete slab on grade locating and mapping out conduits before saw cutting to tie into an existing sanitary line. After scanning with GPR, there were several conduits that were marked out in the area of saw cutting that would have been struck if it had not been...

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Ground Penetrating Radar Systems (GPRS) was requested on site by a general contractor to perform a Ground Penetrating Radar (GPR) scan in Lakewood, Ohio. The purpose was to locate any conduits in or just below the concrete slab prior to saw cutting. Many conduits were located and marked out with depths in the area of concern. The contractor was doing demolition inside the building and wanted to use existing conduits without saw cutting...

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Ground Penetrating Radar Systems was contacted to conduct a utility scan just outside the First Energy Stadium in Cleveland, Ohio. The scope of the scan was to locate any underground utilities for a new pole location that needed to be installed. By using GPR and Radio Detection, a gas line, electrical lighting conduit, and communication duct bank were located in the area of concern. GPRS was able to designate areas to safely install new pole...

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Prior to installing a steam line at Youngstown State University, a construction contractor contacted GPRS to conduct a utility scan.

After arriving to the job-site, we scanned the area with both GPR and Radio Detection to locate all of the utility lines at the site. During the scan, we located utility lines such as electrical, communication, chilled water, steam, sanitary, storm, and fire. Next, in addition to locating the site’s...

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Ground Penetrating Radar Systems was recently called by an environmental firm to locate any utilities prior to soil boring. The contractor was working within a gas pipeline facility, and risked hitting several utilities. Some of these lines are critical to the operation of the facility, and could have major repair costs, or cause serious injury if they are struck. GPRS, LLC. was able to use GPR equipment and Radio Detection to accurately...

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Ground Penetrating Radar Systems was contacted by a facilities manager to conduct a private utility locate at the Columbus Crew SC arena. The facilities manager was planning to install a fence for a concert, however they wanted to have the project area scanned before they got started with their project. The scope of this scan was to locate, and mark out the utility lines in the area so that the required drilling for the fence install could be...

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Ground Penetrating Radar Systems was recently called to a project at an IBM office building by a local construction company in Columbus, Ohio. The scope of work was to scan several sections of an asphalt parking lot, locating and mapping out underground utility lines before excavating to repair drain lines. There were several utility lines that were marked out using GPR that would have been struck during excavating. GPRS, LLC. was able to get...

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