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Penhall Technologies can help you locate rebar, pipes, post and pre tension cables, conduits and many other subsurface hazards that may be hidden in concrete. Our expertly trained analysts can also detect voids within or underneath concrete slabs. As a safety leader in the industry, contractors, engineers, and government agencies have come to trust Penhall first for safe and precise scanning services.

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What services can we assist you with?

I can confirm this is a private locate. For all public locates please contact 811.

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To better help you with your request, could you kindly provide the following information:

What are we scanning? Slab on grade, suspended slab, etc.

What are we scanning for? Ex. rebar, tension cables, conduits, etc.

What is the size of the area(s) that need to be scanned? How many areas?

What is the thickness of the slab?

What is the scanning in preparation for?

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What is the surface that we are performing the locate on? Ex. Ground/Dirt, asphalt, concrete, indoor/outdoor, etc.

What is the size of the area that needs to be scanned in square feet or linear feet?

How many scan locations?

What are we locating? Water, gas, electrical, sewer, etc.

How many utilities are running through the proposed scan area?

Do we have access to meters or utility boxes?

What is the locating in preparation for?

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Once you submit this form, a Penhall Company representative will contact you within 24 hours. Thank you for the opportunity to earn your business!

Locate conduit on metal pan decking

Scan for conduits in metal pan deckingA contractor in Aventura, Florida specializing in retail improvements hired Penhall Technologies to scan a concrete slab at major retail chain. The contractor was concerned about conduits running in the metal deck. Penhall Technologies scanned two areas approximately 3’ x 5’ each using ground penetrating radar (GPR). We used the GSSI StructureScan Mini XT and the SPX Radio Detection 7100 utility wand. The Mini XT is capable of scanning concrete up to 16” thick and can locate reinforcing steel, post tension cables and conduits. The Radio Detection wand is able to locate live electrical in the concrete slab. The findings are marked in real time, helping the contractor stay on track with the construction schedule. GPR is a non-destructive method which assists with locating anomalies in the concrete. GPR can also be used to locate underground utilities, underground storage tanks and voids. Penhall Technologies has coverage throughout Florida with local offices in Tampa, Fort Lauderdale and Miami.

GPR scan to find post tension cables before drilling

GPR scan to mark PT cables before drillingPenhall Technologies was contacted to scan a rooftop at a condominium building on Collins Avenue in Miami Beach. The contractor was installing a new AC unit and need to drill into the concrete roof slab. The building engineers were concerned about hitting post tension cables while drilling. We scanned the perimeter to locate the post tension cables. By marking the location of the post tension cables, the contractor was able to drill safely into the slab without damaging the cables. Ground penetrating radar poses no health hazards typically associated with x-ray. GPR can locate reinforcing steel, conduits and voids in the concrete. GPR can also be used to locate underground utilities and storage tanks.

Identify all obstructions to cutting on a concrete slab on grade

locate conduit and utilities on concrete slab on gradeOur GPR Scanning Expert used ground penetrating radar and a utility wand to scan 5 areas prior to the customer saw cutting to renovate an existing retail space in Miami. GPR is an excellent method to locate conduits or utilities on a slab on grade project. GPR only needs access to one side of the slab while x-ray requires access to both side of the concrete. Any anomalies were marked with spray paint and communicated to the customer. Ground penetrating radar limits damage to conduits and utilities when drilling or cutting into concrete.

GPR scanning is a safe, non-destructive way to locate hazards before core drilling

concrete scanning using gpr before core drillingPenhall Technologies completed a concrete scanning project in Miami, Florida. The building required the use of non-destructive testing prior to core drilling. Our expert GPR analyst was able to scan the concrete slab using ground penetrating radar. The rebar in the slab was marked with black marker. A conduit running in the slab was detected and marked in red marker. The concrete scanning is completed in real time and allows the customer to drill without any delays. The gpr service poses no health hazards and delivers no radiation making it a safer alternative than traditional x-ray.

Ground Penetrating Radar used to locate reinforcing steel and conduit within a concrete slab

gpr scanning used to locate reinforcing steel and conduitPenhall Technologies completed a concrete scanning project in Downtown Miami. Ground penetrating radar was used to locate reinforcing steel and conduits in the slab. By using gpr, the customer could quickly and accurately locate anomalies in the slab and determine the safest area to complete the drilling. GPR scanning is the preferred method when access to only one side of the concrete is available. Penhall Technologies can also use gpr to locate underground private utilities.

Locate post tension cable, rebar and conduit before core drilling

Ground penetrating radar used to locate tension cables, rebar and conduitA customer contacted Penhall Technologies to scan a concrete slab above a parking garage to locate post tension cables, rebar and conduits prior to core drilling. We used GPR, or ground penetrating radar, to scan the location. A 2600MHZ GPR antenna was used to determine the location of anomalies. All findings were marked on the surface in real time allowing the customer the option to begin drilling immediately. GPR is an excellent method to scan concrete and allows the customer to safely drill without damaging any structural support. GPR scanning does not release any radiation or other health hazards.