Past Project Archive

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Featured Concrete Scanning Story

GPR Used To Scan Concrete for Compressive Strength Testing

A general contractor asked Ground Penetrating Radar Systems to scan the slab at that load location to locate and mark any reinforcing steel. Central Florida GPRS, LLC. technician, David Abueg, scanned the concrete and provided markings on the surface. This allowed the contractor to see the locations of the welded wire mesh and choose a clear spot for the representative core sample to be cut.

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Featured Utility Locating story

GPR Project At Disney's Epcot

Whiting-Tuner was contracted by Walt Disney to demo and construct a new attraction at the Epcot theme park near Walt Disney World in Lake Buena Vista, FL. Whiting Turner wanted to be certain that they did not, in any way, hinder other park operations by hitting or damaging any existing utilities serving other areas of Epcot. Their solution was to hire Ground Penetrating Radar Systems out of Orlando, FL.

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Hospitals and the medical industry in general have a lot to keep up with. Our country has one of the largest medical industries in the world and one of the most advanced. With a growing industry, changes must be made to facilities to accommodate for new technology, bigger wings and more business.

The staff at one of the largest hospitals in Orlando recently decided to take added measures and expand one of the...

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Ground Penetrating Radar Systems of Florida was recently contracted to complete a site investigation prior to major renovation and construction at a local Miami mall. The mall was going to be staying open through all phases of the project and delays due to utility damages or other line-strike issues were a major cause of concern for both the Mall Owners and the General Contractors on site.

GPRS of Florida was tasked with not only...

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At GPRS, our motto is “Subsurface Scanning Solutions”. We believe in working with customers to solve problems. There are limitations to what our equipment can accomplish because the science of GPR itself has limitations. We get calls every week for jobs that are beyond the margins of what’s possible, but we strive to innovate solutions for our customers. This month alone, we came up with a number of solutions. Here are a few...

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Inspecting the internal condition of gravity utility pipes is not a new thing in the world of underground utilities. However, it is something that has become increasingly important as many gravity utility infrastructures have become older, and the pipes have been compromised over the years. A problem with a sewer or storm drain pipe can cause major concerns, such as: sink holes, ground water contamination, soil contamination, sewage...

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There is a lot happening in Tampa right now, and we have recently expanded our North Florida team to stay ahead of the demand. We believe that scheduling GPR should be simple. You should trust the team you call. You should know that they have your best interest in mind. Scheduling an appointment should be quick, and you shouldn’t have to wait a week to receive service. Every technician should arrive on time and be friendly, qualified, and...

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Ground Penetrating Radar Systems was recently contacted to locate sub-surface utilities at a local attraction in Central Florida. The scope of the project was to saw cut the road way and side walk to install a new sanitary line for a new development. It was important for GPR to be performed on this project in order to locate the sub-surface utilities below the roadway and sidewalk prior to saw cutting.

After meeting and walking the site...

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A plumbing contractor needed to core drill in a post tension slab in West Palm Beach, Florida. The concrete area that needed to be scanned / x-rayed, using ground penetrating radar, was a pre-existing concrete slab and was known to be a post tensioned slab. Thus they contacted the concrete specialists in post tension cable locating, Matt Rankin of GPRS. This application, post tension cable locating, is a common job for GPR. GPRS, LLC. in...

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Post tension cables, electrical conduits, rebar and other structural steel, water pipes and various other objects are often found in concrete slabs. Construction companies, plumbing contractors, electrical contractors and renovation specialists are always in need of either core drilling through a slab or trenching through a slab on grade. Whatever the case may be Ground Penetrating Radar Systems has an expert level of understanding when it...

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A General contractor needed to locate the number of structural rebar in concrete columns for an inspection in Miami, Florida. The area that needed to be concrete scanned / x-rayed, using ground penetrating radar, was located in a condominium in Miami, Florida and needed the rebar in the concrete column located. Thus they contacted the specialist in concrete inspection. This application, concrete inspection, is a common job for GPR. GPRS, LLC....

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A contractor needed to locate some water lines at the South Florida Underwater Operations Base in Key West. The area that needed to be surveyed, using ground penetrating radar, was located on a special section of Key West, Florida for The United States Army. Thus, they contacted specialists in Utility Locating, GPRS. This is an ideal application for ground penetrating radar as underground utility locating are GPR specialties. GPRS, LLC. in...

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Ground Penetrating Radar Systems was recently contacted to locate a potential underground septic system at an office building near Daytona Beach. Prior to environmental drilling, it was necessary to locate the septic system and associated lines.

The equipment used in the scan was a three-wheeled cart carrying a 400 MHz antenna capable of identifying objects at a depth of 8-10 feet, and a SIR-3000 computer system.

While on site,...

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A contractor needed to locate the structural steel rebar inside the concrete columns of a home. The area that needed to be surveyed, using ground penetrating radar, was located on Ramrod Key near Key West, Florida. Thus they contacted specialists in Structural steel locating, GPRS. This is an ideal application for ground penetrating radar as rebar locating are GPR specialties. GPRS, LLC. in South Florida took the call and mobilized to the...

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Ground Penetrating Radar Systems, LLC. (GPRS) was contacted by a contractor in order to locate any anomalies such as electrical lines, water lines & septic lines at a recycling center in Sarasota, Florida. The contractor needed to make certain of where anomalies were in order to clear areas where they planned to conduct soil borings. The company contacted GPRS of Tampa, Florida in order to know where the lines were located in order to...

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A General contractor needed to core drill holes in the concrete to install new plumbing pipes in a condominium in Ft. Lauderdale, Florida. The area that needed to be concrete scanned / x-rayed, using ground penetrating radar, was located on Ft. Lauderdale Beach Blvd. and was known to be a post tensioned slab. Thus they contacted the specialists in post tension cable locating, Ron Anderson of GPRS. This application, post tension cable...

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A General contractor needed to core drill holes in the concrete to dowel new rebar to reinforce new concrete walls in a government building in Miami. The area that needed to be concrete scanned / x-rayed, using ground penetrating radar, was a new construction project and was known to be a post tensioned slab. Thus they contacted the specialists in post tension cable locating, Ron Anderson of GPRS. This application, post tension cable...

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Icon Identity Solutions had a project at the Southwest Florida International Airport in Ft. Myers, Florida which involved them anchoring two signs into the floor of a concrete parking garage. They decided to contact Ground Penetrating Radar Systems to ensure that they would be able to safely drive the anchors without striking any utilities or steel structural support that may be in the concrete. Icon had used GPRS’s services in the past and...

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Florida Industrial Electric performs multiple projects every year at the Orlando International Airport. The projects range from installing simple floor outlets to complex DAS upgrades to the 4 different airsides at OIA. Florida Industrial Electric continues to use Ground Penetrating Radar Systems for their entire elevated concrete slab locating services. GPRS consistently provides information on what reinforcing steel and electrical conduits...

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GPRS was recently contacted by a contractor to locate known and unknown structural steel (including post tension and rebar) on a rooftop of a condominium complex in Destin, Florida. The contractor planned to install anchor plates and bolts to support new cell phone antennas. All anomalies that could be located were marked on the surface with their direction leaving a map on the surface to aid with anchor bolt placement. This allowed the...

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When Sharp General Contractors of Pompano Beach, Florida needed to saw cut two trenches into an existing concrete slab on grade without hitting any electrical conduits or utilities they contacted GPRS, LLC. of Orlando, Florida. Two new electrical conduits needed to be run to the base of a new piece of medical equipment called an ExacTrac at a local hospital in Lauderdale Lakes, FL. Sharp General Contractors was contracted to perform the...

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In September, Ground Penetrating Radar Systems, LLC. (GPRS) was contacted by a construction company in order to locate utilities at a power plant in Crystal River, FL. The construction company needed utilities located, marked out on the surface with paint, flags, and a depth. After marking out all utilities, the contractor needed all findings put into a cad map file for the company to have on file. The contractor contacted GPRS of Tampa to...

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A General contractor needed to core drill holes in the concrete to install new fire sprinkler risers in a condominium in Palm Beach. The area that needed to be concrete scanned / x-rayed, using ground penetrating radar, was a remodeling construction project and was known to be a post tensioned slab. Then they contacted Matt Rankin of GPRS to do the concrete scanning, to indeed find out it was a post tension slab. This application, post...

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A general contractor, constructing new municipal County buildings, received a concrete test report with low compressive strength results at one location in a concrete slab.

In order to conduct further testing, the lab sampling specifications require a core sample at the concrete load location that did not meet plan requirements. Per the specifications, the core sample cannot contain any rebar or welded wire mesh that may cause...

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A contractor was planning to make sever penetrations on a post tension slab at an office building in Miami, Florida. The contractor was planning to install new plumbing drains and had to make 4-5 penetrations through the elevated post tension reinforced concrete slab. The area they needed to have survey was roughly 3’x3’ in size. They contact Ground Penetrating Radar Systems knowing that this was the exact type of work they specialize...

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GPRS was called out to a location recently to assist in a crime scene investigation. GPRS technicians have been successful in locating burial sites and perform many cemetery locates. In this case, it was suspected that human remains may have been buried in the site that was under survey. It was up to GPRS to use GPR to locate the remains and help solve a missing person case.

The equipment used in the scan was a three-wheeled cart...

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Ground Penetrating Radar Systems was dispatched to a local hotel in Jacksonville, Florida to scan a 10 inch slab filled with rebar, post-tension cables and conduit prior to core drilling. The contractor was remodeling and installing a new kitchen and needed to install floor drains, floor sinks and many utilities that all required separate core drilling locations in the slab. GPRS scanned approximately 40 locations and mapped out all of the...

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SunTrust Bank had a vacant property where they were going to perform an environmental investigation and determined that they needed to survey the area with ground penetrating radar. The purpose of the GPR survey was to determine the presence and location of any underground storage tanks and buried utilities that might still be on site. Suntrust planned to perform several soil borings and other similar tests to determine the environmental...

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When Industrial Commercial Structures of Orlando, Florida needed to saw cut and excavate roughly 3,000 square feet of concrete without hitting any of the existing utilities buried beneath a 6” concrete slab at the Melbourne Mall they contacted GPRS, LLC of Orlando, Florida. ICS was just getting started with a tenant build out at the mall. The build out required that a large section of the existing concrete be saw cut and removed so new...

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When Preferred Builders of Naples, Florida needed to determine the concrete thickness and reinforcing steel presence in a concrete slab poured over metal pan decking they contacted GPRS, LLC of Orlando, Florida. Preferred Builders was planning a project in which they were renovating some office space at the Regions Bank building in Naples, FL. Prior to cutting the concrete they wanted to make sure they knew exactly what they would hit....

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Ground Penetrating Radar Systems was recently contacted to locate reinforcing steel in slab on grade at a popular Resort & Spa in central Florida. The rebar in the concrete slab of the pool floor was suspected to be too close to the surface of the slab, therefor causing rust stains on the pool floor surface when the rebar got wet. Facilities management called on GPRS, LLC. to help locate thea steel to determine if it was the cause of the...

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Whiting-Tuner was contracted by Walt Disney to demo and construct a new attraction at the Epcot theme park near Walt Disney World in Lake Buena Vista, FL. The first phase of the project was to demo the existing “Cantina” structure to make way for the new building. This may seem like a simple, clear cut process, however, Disney’s park design and utility layout can make it complicated. Whiting Turner wanted to be certain that they did not, in...

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The pictures you see to the right are from a local attraction in Orlando, FL. The demolition contractor was removing a curb when they unknowingly broke a main feed line for the sprinkler system. This would normally not have been something difficult to remedy. However, they did not know where the shut-off valve was for the system. With this problem hundreds of gallons of water were wasted and the ground will have to be repaired prior to work...

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