GPRS Scans the Chicago Skyline

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Ground Penetrating Radar Systems (GPRS) assists in scanning one of the 50 or so high rises coming up in Chicago. Now we obviously did not scan the entire skyline, but we have scanned our fair share with much more work needing to be done!

For this particular project GPRS was called out to locate reinforcing as well as any conduits running within the concrete in order for the client to have a safe place to core through. With our multi-technology approach, we were able to find a safe place for them to core.

“Time is a primary currency traded on any given construction project. At Ground Penetrating Radar Systems, our everyday efficiency in operations allows us to respond to the immediate needs of our customers, often within 24 hours or less.” (gp-radar.com)

Scan before you plan! This ensures worker safety and saves valuable time by targeting specific areas of concern. GPRS can also provide GPS reports overlaid on Google Earth or overlay information on pre-existing CAD files for future building plans. This is all done in a safe, time efficient, non-destructive manner.

Chicago Skyline
GPRS assists by giving a real-time depth view of subsurface hazards such as reinforcing, utilities, conduit, underground storage tanks, voids, etc. This reduces the likelihood of subsurface obstruction strikes during core drilling, saw cutting, trenching, soil boring, directional drilling, anchoring, and other sub-surface applications.

Ground Penetrating Radar Systems uses the GSSI (Geophysical Survey Systems, Inc.) Sir-4000 technology in locating. GPRS also uses the RD-8100 Locator to locate live power and radio frequency (RF) signals underground. We can also detect utilities in or under concrete via induction or conduction with an exposed or known surface utility line.

For questions or quotes on any subsurface locating in the Greater Chicagoland Area with fast response times and easy scheduling, please contact:

Zack Walter
Project Manager – Chicago
Zack.Walter@gp-radar.com
Direct: 224-563-4445
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Also, feel free to check out our website or subscribe to our newsletter using the following link!
http://www.gp-radar.com/

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Airport Utility Survey in Atlanta Georgia

GPR Airport Utility Survey

Ground Penetrating Radar Systems, Inc. (GPRS) was contacted to perform a GPR survey at the Hartsfield-Jackson Airport in Atlanta, GA. GPRS was asked to determine the location of conduits and other obstructions prior to future construction plans.

Ryan Abueg was the technician from GPRS that arrived on site to complete this project. Once the initial walk-down of the site was performed with the contractors, Ryan began the GPR survey. Using the 400MHz GPR antenna, any anomalies that were found were marked directly on the surface using color-coded marking paint. Once each location was surveyed, the findings were then explained to the contractor in order to develop a safe plan for the future construction plans.

GPR Airport Utility Survey 2

The photos included depict the final markup of areas of concern that wwere brought up by the contractor onsite. If these areas were worked on before they were surveyed, there may have been serious damage done to the structure or lead to severe injury to the workers present. GPRS recommends that a GPR survey be performed prior to any cutting, drilling, excavation to be performed.

GPR is a safe alternative to a costly repair to underground utilities and underground storage tanks. GPR emits no radiation and poses no health hazards. Any findings are marked in real time directly onto the surface with no processing time which allows the contractor to begin diggin immediately after a survey. GPR is frequently used to scan the ground to determine location of post tension and other reinforcing in concrete as well. Ryan Abueg is the GPRS contact based in Atlanta, GA and he can be reached at 678.920.2842 or by email at ryan.abueg@gp-radar.com.

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Environmental Engineers Trust GPRS

Joseph R. Granados, Ground Penetrating Radar Systems Project Manager of El Paso, Texas Region, was contacted recently to search for utilities at a local school. The environmental company completing the soil testing wanted to make sure that all drilling and trench locations could be completed as safely as possible.  They also requested a Google earth file and AutoCAD for this project. The GPRS technician used ground penetrating radar to locate and map out the utilities before any drilling or trenching began. Each location was scanned for utilities such as water lines, conduit, communication lines, gas lines, sewer, and energized lines.  Once the client was clear on all locations and provided depth of the utilities, work could commence safely. The Engineering company was able to drill and trench each location without disrupting any live utilities, or injuring any of their employees thanks to the locate work completed by GPRS.

El Paso, TX

If you would like a quote or more information on how GPRS may be able to keep your job site safer and on schedule, please contact the El Paso, TX Project Manager Joseph R. Granados at 915-765-7442 or at joseph.granados@gp-radar.com. You can also visit our website at www.gp-radar.com.

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GPRS Makes Demolition Project Safer at Ann Arbor University

University in Ann Arbor

Having information on what lies beneath the concrete floors prior to saw cutting is essential to ensure the safety of the workers involved with the demolition. Also, having the information of where existing embedded conduits & plumbing run throughout the areas allows everyone to devise a plan as to where future utilities should be placed. The last thing you would want to do is cut through an electrical conduit that is feeding a portion of the University. Ground Penetrating Radar should be used to provide as much information as possible so that the saw cutting process goes smoothly.

A plumbing contractor had a project inside a University building in Ann Arbor, MI where they needed to saw cut portions of concrete slabs to install new utilities throughout the space. There was a need to locate all the existing plumbing lines that passed through the areas so that a plan could be devised on how to place the new plumbing. There was also a concern considering the main electrical panel was in the same area as the future saw cuts. The contractor didn’t have any information as to where the electrical passed through. The risk of possibly damaging multiple live power feeds during the saw cutting was too great to continue without added information. Ground Penetrating Radar Systems of Ann Arbor, MI was contacted by the plumbing contractor to conduct a concrete investigation to determine the paths of any embedded conduits & existing plumbing lines. GPRS performed the project using a 1600 MHz high resolution concrete antenna accompanied with a RD8000 (radio detection wand). The equipment used allowed GPRS to identify the main live power feeds passing through the saw cut areas & mark the findings directly on the surface in real time. All of the plumbing lines were also identified throughout the areas. All the findings were then communicated clearly to the onsite Superintendent.

University in Ann Arbor2

Don’t saw cut, core drill or dig without calling GPRS first. For more information in the Ann Arbor, MI area, contact Regional Manager, Thaddeus Bullock at 734.377.4551 or Thaddeus.bullock@gp-radar.com. You may also visit www.gp-radar.com.

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GPRS Supports History by Locating Urns and Unmarked Graves

Virginia contains many cemeteries, historic, and memorial sites. The changing landscape can erase the knowledge of what lies below the surface.  A client called in GPRS to identify unmarked graves throughout their property. GPRS was also able to locate the requested areas for urns in the cemetery as well.  GPRS can identify the depth and location of these areas, which have the potential of containing those at rest. We are able to identify potential plots in a safe, effective, and timely manner with no disturbance to the areas in question. This service is possible with the GSSI ground penetrating radar technology utilized by knowledgeable and experienced technicians. Site sensitivity and customer satisfaction are key components to GPRS cemetery operations. We aim to provide satisfactory collaborative experiences and also provide data explanation and reporting as well as GPS mapping, CAD, and image overlays to assist in the needs for any project.  Ground Penetrating Radar Systems of Virginia work diligently to provide quality expectations of what lies beneath the surface.

If you need a quote for cemetery mapping and investigation in Virginia, or the Arlington, Alexandria, DC, Southern and/or Northern Virginia areas please contact Stephen Yant at 703-851-3853 or at Stephen.Yant@GP-Radar.com.

Winchester, VA

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Locating Utilities at Sabra Hummus Facility

Ground Penetrating Radar Systems, Inc. – GPRS – of Southern California was contacted by a company in order to locate utilities in multiple areas prior to installing new bollards in a warehouse. Large sections of the slab were scanned and any utilities found in the area were marked on the surface with spray paint.

GPR mapping is a great tool to scan underground anomalies such as voids, underground storage tanks (UST’s) and underground piping. It can also be used to locate post tension cables, rebar, and conduits. GPRS has offices throughout the entire state of California and performs projects in cities such as; Murrieta, Menifee, Temecula, Escondido, El Cajon, La Mesa, El Centro, Palm Springs, San Diego, North County, Inland Empire, and San Clemente. Please contact James Petersen at 858-395-1085 or by email at James.Petersen@gp-radar.com to schedule service, obtain a quote, or to learn more about ground penetrating radar and how GPRS can assist in your projects.

Sabra Hummus Facility
The above photo shows a section of the area scanned, along with electrical lines that were located and marked on the surface with yellow spray paint. The depths of these lines were also painted near each line.

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Locating Water Leaks at an Orlando Theme Park

Orlando has many theme parks. One of those theme parks had a large water pipe running near a pool area that had a leak. They were able to locate the leak and repair it. However, due to the water leakage, they were worried there could possibly be a large void underneath the pool area which can be problematic for the structural integrity of the pool. The renovation team hired to correct the issue knew that GPRS would be able to assist in detecting the possible voided area underneath the pool.

To correct the issue, the repair team would need to drill and then inject material in several locations to fill the void under the pool. The team was also aware of the possibility that there could be utilities running directly underneath the pool deck. Water and electrical lines could very well be right underneath the pool making the team hesitant to simply drill through the deck to inject the corrective material. GPRS was able to scan the concrete pool deck and give the team knowledge of where the void was and how wide it was in all directions. After locating the void area, the scan technician then proceeded to mark out all of the structural steel and possible utilities. To preserve the aesthetics of the pool, lumber crayons were used which would wash away days after the scanning was completed. A report was provided to the company including data shots and photos outlining the details of the findings. Several days after the void was located, the company mapped out their injection points and was able to correct the issue without additional damage to the pool or utilities.

The picture below is Nate Schmoe, of GPRS, Inc. scanning the pool deck slab surface.

If you would like to receive a proposal for similar work please visit the “Contact-Us” page at gp-radar.com.

Orlando FL

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Underground Utility Locating in Kansas City

Prior to construction for an addition, Ground Penetrating Radar Systems (GPRS) was contracted to locate all utilities in the area that would call for excavation.  Records showed the presence of gas and water lines in the area.  The GPRS technician was able to find the known utilities and the presence of electrical lines running from the generator, a communications line, and 4 unknown footings.  The combination of technologies and techniques that are employed by GPRS allowed for a successful investigation of what the excavation crew will run into and allowed the design team some time to prepare for the impact the new underground information would have on their project. In following this project, the design team was able to tweak their routes in order to not impact most of the existing utilities.  The process was taken care of quickly and saved many schedule days and headaches all before the project even began.

Underground Utility Locating-Kansas City

Investigating the presence of utilities and unknown objects is always a good idea when it comes to excavation or drilling.  Record drawings or “as-builts” are a good starting point when looking for utilities, but are many time incorrect or have not been updated properly.  GPRS provides a service that will help you avoid hitting utilities or uncovering unknown utilities or objects that can pose a safety risk to worker and/or pedestrians as well as delay your project. GPRS can also assist in updating as built drawing so that future projects can have a starting point.  We can do anything from a utility map mark up, to updating your CAD utility plans.

Underground Utility Locating-Kansas City2

We are here to help locate any gas, electric, communications, water, and sewer lines as well as any other obstructions that could be beneath the surface.  GPRS utilizes multiple technologies in order to provide the customer with the most accurate locate short of daylighting the utility.

GPRS services the local Kansas City metropolitan, Lawrence, Topeka, Pittsburg, Manhattan, Kansas and St. Joseph, Joplin, Springfield, and Sedalia, MO.  For more information, to get a quote, or to discuss a project please call Kurt Schamberger at 913-961-9534 or email at kurt.schamberger@gp-radar.com.

 

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