GPRS: 15 Years Strong

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INTEGRITY । TEAMWORK । MUTUAL RESPECT । GROWTH MINDEDNESS

“Our mission is to provide the best opportunities and development for our team members while delivering a sensational experience to our customers, preventing them from experiencing the problems associated with unknown subsurface elements.”

Founder and President, Matt Aston established GPRS in 2001 as the sole technician, salesman and office admin. Two more technicians were hired and GPRS quickly expanded throughout Ohio and Michigan. Today there are over 130 technicians across the US and Canada, led by 9 Regional Directors. In December of 2014 GPRS built their new offices which included a state of the art training facility. Every technician attends an intense two week program, then returns to the field to shadow a senior technician for several months and ultimately works independently.

The timeline below illustrates how quickly GPRS has grown over the last 15 years, spanning the entire U.S. In 2015 GPRS, Enterprises was established in Toronto Canada, which continues to grow and today there are 4 technicians expanding the Canadian market.

15 Year Summary w_Timeline

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GPRS is Committed to the Highest Level of Safety

From new hire to company President – everyone at GPRS is responsible for job site safety.  We believe our safety vision defines who we are and our safety records set us apart. Contractors in the central Florida area and Orlando know to call GPRS when they need to know what lies beneath the surface of concrete. They trust us to keep their jobsite safe and their project on time and within budget.

One of those contractors was planning to install new support beams within a large concrete structure. They needed multiple surface areas scanned adding up to roughly 720 square feet that was located forty feet high and could only be accessed by scissor lift.  They reached out to GPRS to scan the concrete to locate rebar, post tension cables and all unknown reinforcing steel.

GPRS worked together with the contractor and decided to use a specialty GSSI built scanner that is specifically designed to scan large concrete surfaces located in high places. The scope of the project lasted two full days of working on the lift.  Once the scanning was complete the GPRS technician marked all findings on the surface with permanent marker and discussed the results with the engineer so they could determine how to layout the anchors to support the weight of the beams. The beams were successfully installed in the concrete structure without incident.

For more information, to request a quote or to schedule your next project contact Nathan Schmoe at 407.232.5602 or nate.schmoe@gp-radar.com.  For a complete listing of our nationwide locations, visit www.gp-radar.com.

August eMagazine Cover Pic

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New Construction Requires GPRS to Locate Post Tension Cables

GPRS was contacted to locate post tension cables at a newly constructed hotel in downtown Atlanta. An awning is being installed and the location of the post tension cables needed to be properly identified so that they were not hit during the installation process.

With the 1600 MHz antenna, GPRS technician Patrick Moulin was able to scan the area.  The 1600 MHz antenna will typically reach depths from 15”-20”.  A SIR-3000 computer system is what displays the data for interpretation. This project required precise and well defined markings; GPRS was able to properly locate the post tension cables and rebar.

For more information, to request a quote or to schedule your next project contact Patrick Moulin at 770.713.7697 or Patrick.moulin@gp-radar.com.  For a full listing of our nationwide locations, visit
www.gp-radar.com.

NewConstruction Requires GPRS to Locate Post Tension Cables

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GPRS of Dallas Locates PT Cables and Keeps Project Safe and On Schedule

This GPR scan took place on an elevated concrete slab at the new Toyota Headquarters in Plano, TX. The customer needed to install 150 brackets for reinforcement of the glazing of the building. The concrete slab was reinforced with post tensioned (PT) cables which can cause serious injury or damage if struck during drilling. The PT cables needed to be clearly marked before the customer could drill holes for the anchors.

David Hagenmayer with Ground Penetrating Radar Systems, Inc., was contracted to scan the area requested and mark out all PT cables and obstructions in the concrete. David was able to determine the precise locations of the existing lines. The client was then able to safely and effectively drill.

GPRS, Inc. of Dallas is the most trusted concrete scanning company because of its highly trained and dedicated technicians. We are the best at what we do because it’s all we do. Ground Penetrating Radar is cost effective, non-hazardous, and provides data in real time. For GPRS services in North Texas please call (972) 922-0223 or email David.Hagenmayer@gp-radar.com

GPRS of Dallas Locates PT Cables and Keeps Project Safe and On Schedule GPRS of Dallas Locates PT Cables and Keeps Project Safe and On Schedule

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GPRS Provides Peace of Mind for Crews on Wind Farm

GPRS was recently contacted by a large energy corporation to locate underground utilities at one of their new wind projects in Oklahoma.  The work consisted of using radio detection and ground penetrating radar to locate and mark out utilities that were along the collection lines, transmission lines, and turbine sites on the wind farm.  Andy Dermer – GPRS Oklahoma – performed the work by scanning the designated areas and marking the locations of utilities directly on the ground with marking paint, pin flags, and wooden stakes.  These findings were also recorded to be used in a Google Earth file for future reference.  With renewable energy on the rise, Ground Penetrating Radar can be an invaluable tool to help keep the site safe.  Due to the instantaneous results GPRS can provide, the information is immediately available to prevent accidents or injury on the job site.

“GPRS has done another outstanding job providing subsurface engineering work across Northern Oklahoma locating several pipelines that had been otherwise forgotten about over the years, and providing the crews a peace of mind that they can dig safely. The GPRS team has shown dedication to their craft, an impressive work ethic while operating in harsh conditions and most importantly displaying exceptional communications skills that are vital to building a successful windfarm.”

Dave Hazel
Energy Renewal Partners, LLC

For rebar locating in Oklahoma: Oklahoma City, Midwest City, Bethany, Moore, Guthrie, Norman, Stillwater, Enid, Yukon, Shawnee and Edmond area call 405.439.6787 or email andy.dermer@gp-radar.com.

Andy Dermer_Wind Farm

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GPRS Hired to Conduct Investigation to Verify Existing Underground Storm Water Detention System

Ground Penetrating Radar Systems, Inc. (GPRS) was recently called to a project in Ann Arbor, Michigan.  The purpose of the investigation was to verify an existing underground storm water detention system.  In order to obtain proper building permits to move forward on the construction project, the contractor had to prove that the system was installed per engineering specs.  Rather than dig up and potentially compromise the system, the contractor called GPRS for help.  For the GPR portion of the survey, a 400MHz antenna with the SIR-3000 processing unit manufactured by Geophysical Survey Systems, Inc, (GSSI) was used.  The average effective penetration depth encountered during the GPR survey was approximately 8.0 feet below ground surface (bgs).  The GPR survey area was conducted in an east/west and/or north/south direction using approximate 5.0 foot surface grid spacing.

Grid
Site Plan Depicting the Survey Area and Findings (Note: Measurements are Approximate)

laterals
GPR Data Screen Shots (Note due to screen limitations, two screen shots were required to display entire retention system)

laterals2

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View of survey area facing northwest.  Note laterals identified in the field with orange paint and white flags.

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View of Brian Chmielewski conducting GPR survey and marking laterals with orange paint and white flags.

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Additional view of Brian Chmielewski conducting GPR survey using the 400 MHz GPR antennae.

GPRS, Inc. also has the capabilities of locating conduits, rebar, and post tension cables in a concrete slab.  For more information, to request a quote or to schedule your next project, please contact Brian Chmielewski at 517.512.0018 or by email at brian.chmielewski@gp-radar.com.  For a complete listing of our nationwide locations visit www.gp-radar.com.

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GPRS Rises Above Obstacles to Determine a Safe Location to Core Drill for New Conduit

Ground Penetrating Radar Systems, Inc. – GPRS – of Southern California was contacted by an electrical company to locate rebar in a wall prior to core drilling for (1) 2” conduit. The area on the wall was limited due to the metal studs that were in place; we referred to using our Palm antenna rather than our 1600MHz antenna since it is suited for tightly spaced areas. We found that the wall was 14” thick and had 2 layers of rebar; we were able to easily map out a 1’x3’ area and provide the client with multiple coring options where they could drill without damaging the structural integrity of the wall.

GPR mapping is a great tool to scan areas of post tension cables, rebar, and conduits; it can also be used to locate underground utilities prior to digging or excavating. GPRS has offices throughout the entire state of California and performs GPR projects throughout the entire state, including cities like Ventura, Santa Barbara, Thousand Oaks, San Luis Obispo, Bakersfield, Lancaster and the greater Los Angeles area. For more information, to request a quote or to schedule your next project, please contact Freddy Espinal at 805-729-5877 or freddy.espinal@gp-radar.com. For a listing of our nationwide locations, visit www.gp-radar.com.

March 2016 Cover Pic

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Reinforcement in Concrete Walls Detected at the Ole Miss Stadium

Ground Penetrating Radar Systems, Inc. of Memphis, Tennessee was contacted by a general contractor for a project to expand stadium seating in the Vaught-Hemingway Stadium at the University of Mississippi. Two pre-cast concrete walls located on the south end zone were scanned for reinforcement by GPRS. A GSSI 1600 MHz antenna was utilized for this scope of work. All findings were marked directly on the concrete surface for the contractor who was then able to determine where to drill, without compromising the integrity of the wall.

Ole Miss Stadium Scan_Zach Bates

GPRS is the nation’s largest company specializing in the locating underground utilities and scanning concrete structures, using non-destructive testing equipment. Using GPRS offers a safe, cost effective way to safely drill or cut keeping your projects on time. Other services we offer are underground storage tank locating, void detection, and GPRS can provide global positioning system (GPS) technology for use on your locating projects, such as environmental surveys and the detection of underground utility layouts.

For more information, to request a quote or to schedule your next project in the Memphis market contact Zach Bates at (901) 233-9964 or email at zach.bates@gp-radar.com. For a full listing of our nationwide service providers, visit www.gp-radar.com.

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GPRS: Looking Forward to 2016

Ground Penetrating Radar Systems (GPRS) has been providing expert, professional sub-surface detection services since 2001. The company was started by Matt Aston in Toledo, Ohio, and soon expanded throughout Ohio and Michigan by 2004. The company began its national expansion effort in 2008 and now has offices in every major US city and is currently expanding in Canada. As we close out 2015 and reflect on the continued upward trend we have seen, we look forward to the journey we will embark on for 2016.

GPRS is driven to provide concrete scanning and utility locating services as fast as possible. The DC market developed a Rapid Response Program in order to provide service within 24 hours in a 60 mile radius. It has proven to be a successful program and is being adopted in other markets in the Midwest and in Texas. In 2016 we will increase our arsenal of technicians by hiring and training close to 30 more technicians across the US and an additional 3 technicians to expand the Canadian market.

In an economy that has seen its ups and downs, GPRS continues to show tremendous growth while maintaining exceptional service. We are raising the bar in 2016 by rolling out our fleet of 2016 Chevy Colorados with GPRS graphics, which is just another way to arrive on your jobsite with the professionalism our clients expect. When you see our vehicles and you meet our experienced technicians we are assuring you the best outcome on your project.

To come along for this incredible journey, join our email list for the monthly eMagazine here and check us out on Facebook here for updates along the way.

GPRS

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Water Lines Located Near Gateway Arch in St. Louis, MO

A general contractor needed to identify the location of a suspected water line; they contacted GPRS to use Ground Penetrating Radar (GPR). John Incorvaia, Project Manager for the St. Louis market was able to locate the suspected water lines with a GSSI 400 MHz antenna and mark the surface clearly for the client. Since the data is displayed in real time, the areas were marked easily, and the team could move forward with their process without worry of injury.

GPR is also used to determine the presence of underground utility lines and underground storage tanks in plants, factories, and other occupied spaces because it does not emit harmful radiation, produces virtually no noise or interference, and will not disturb business operations. It can also be used to determine the presence of obstructions in concrete prior to saw cutting or drilling.

Water Lines Located Near Gateway Arch in St. Louis

For more information, to request a quote or to schedule your next project contact John Incorvaia at 317-296-1533 or
john.incorvaia@gp-radar.com.

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The Washington Monument Grounds are Scanned to Prepare for Upcoming Event

Recently, an event production company contacted GPRS to come out to Washington, D.C. and scan the lawn surrounding the Washington Monument for underground utilities. The scanning was done prior to the company setting up tents, trailers, and stages for the event. The production company had to drive a large number of stakes into the ground to act as an anchor for the equipment being set up. Josh Walker is a highly trained technician with the DC GPRS team; he scanned three areas around the monument which ultimately totaled two acres of land. He used the GSSI SIR 3000 with a 400 MHz antenna to scan the areas and followed up by performing sweeps with the RD 800 (radio detection device), which will pick up any live power or communication lines.

GPRS was able to exceed the expectations of the client by not only locating the utilities, but marking them out on the surface in real time using spray paint. The project was completed in a safe and non-destructive manner. GPRS of the Washington, D.C. area has the technology and the training to meet your needs in a timely manner, ultimately ensuring your projects get finished safely and on time.

For additional information, to request a quote or to schedule your next project in the Washington, D.C. area, please contact Josh Walker at 202-642-0712 or at josh.walker@gp-radar.com. For a listing of our nationwide locations, visit www.gp-radar.com.
The Washington Monument Grounds are Scanned to Prepare for Upcoming Event2The Washington Monument Grounds are Scanned to Prepare for Upcoming Event

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GPRS Investigates Deterioration of Dock Cells of Fuel Storage Terminals

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Ground Penetrating Radar Systems, Inc. is the nation’s largest company that specializes in detection of underground utilities and scanning of concrete structures. GPRS has an extensive nationwide network of highly trained and experienced technicians in every major U.S market and in Canada. We use the industries best equipment, and our technicians have the training necessary to complete any job; even a project that requires them to travel on a boat to a fuel storage terminal on the St. Johns River in Florida.

Adam Yunker, Regional Manager for Northern Florida was contacted by a large petroleum company to inspect the outer ring of 4 docking cells that were built in the early to mid-1900’s. The original design of the docking cells was sufficient to accommodate the size of ships at that time, but as larger ships were anchoring at these cells the integrity of concrete structures needed to be redesigned. Over the years the docking cells had been reinforced with outer layers of sheet piling and concrete, but the client was unsure if rebar had been used in the most outer layer. In most recent years the outer layer of sheet piling and concrete was beginning to decay and had been damaged in a few areas. The client wanted to repair the cells and needed to know some information regarding the current structural integrity and reinforcing steel within the concrete. GPRS was contracted to inspect the cells and provide information regarding the rebar present in the concrete (if any).

GPRS Investigates Deterioration of Dock Cells of Fuel Storage TerminalsIn order to scan the cells, Adam needed to ride out on a boat with a crew of 4 men to get access to the tops of the cells. After using a ladder system to gain access to the top surface of the docking cells GPR was then used to scan the concrete surface of the cell. Adam was able to determine that 2 of the cells did not have any reinforcement and 2 of the cells did contain rebar which he was able to map out and mark on the surface. As a result of the GPR results, engineers were able to determine the proper course of action to complete the repairs to existing cells. GPRS technicians are equipped with several types of equipment to adapt to unique situations like this one. Adam used the GSSI StructureScan mini which does not require long cables or other bulky equipment which makes it easier to transport the equipment on the boat and get it to the scanning location. With the information that GPRS provided the client will be able to make the necessary repairs to the 2 cells and make the determination if additional reinforcement was needed on the other 2. Knowing what was below the surface of the concrete gave the client the confidence and knowledge to make the best decision.

Mapping deterioration of concrete and corrosion of rebar is critical to maintaining the integrity and safety of concrete structures. GPRS utilizes state-of-the-art mapping technology to measure the strength of reflection in rebar and our technicians can identify the structural risks in concrete, allowing clients to begin remediation before the deterioration compromises the structure. In addition, our technical expertise in interpreting and mapping this data helps clients perform maintenance before deterioration becomes more extensive and costly to repair.

GPRS has become the industry’s first choice in GPR services due to our commitment to safety, customer satisfaction and technical expertise. We believe that this honor speaks to our outstanding staff, our loyal customer base and the high level of service that we provide to the industry, which is why we are known as the Experts in GPR. GPRS utilizes the latest technologies in ground penetrating radar, concrete x-ray, and electromagnetic induction. In the hands of the most experienced technicians in the industry, these tools can provide immediate and accurate detection of subsurface elements, allowing construction managers, engineers, contractors, utility workers, and homeowners to safely conduct their jobs in less time and at a lower cost. For a complete listing of our nationwide locations, visit our website at www.gp-radar.com; contact us for more information, to request a quote or schedule your next project.

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General Contractor in Utah is Able to Avoid Extremely High Voltage Conduits by Using GPRS

Ground Penetrating Radar Systems was contacted by a general contractor to locate conduits in a duct bank. The contractor was going to hammer drill through the duct bank to replace known conduits but was worried about unknown, extremely high voltage conduits running through the concrete. GPRS was able to come on site and successfully locate two conduits that would have been hit and possibly hurt the driller if Ground Penetrating Radar Systems did not come on site to locate them.

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Ground Penetrating Radar Systems used a GSSI 1600 MHz antenna for this application to locate the conduits. All findings were marked directly on the concrete at customers request for easy interpretation. GPR was ideal for this application due to the active work site in the surrounding areas. GPR emits no radiation and is safe for others to work in the area near the scan location.

For a similar scan on your job site in Utah, Idaho, or Montana please contact Adam Kubicki at 801-599-2115 or at adam.kubicki@gp-radar.com. Sonar has also been used in Toole, Provo, Ogden, Boise, Park City, Helena, and many other cities throughout the mountain states. X-ray can also be used to locate underground utilities.

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