Commitment to Safety • Reliable Results
Responsive Resources • Established Expertise

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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Where is the job located?

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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.

Other Service

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?

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

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?

Contact Information

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Other comments or project details?

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

Scan and mark for hazards within concrete

Scan and mark for hazards in concreteAt a location in New Orleans, Penhall was asked to scan and core drill two areas on top of a bell tower. Both cores were  7″ dia X 10″ deep, and scanning was performed first to ensure that drilling was clear of any obstructions or hazards.

Concrete scanning for private residence before remodeling

Scan concrete at private residence before remodelingPenhall was asked to perform scanning for two homes needing remodeling in Houma, LA.  At each location, we scanned to locate rebar and conduit in a 2’ x 10’ area of the slab that was 4” thick.

Ground penetrating radar used to avoid hazards in concrete slab before core drilling

ensuring safety with concrete scanningFor a large bank in Slidell, LA, our GPR Analysts were asked to perform some concrete scanning using ground penetrating radar to avoid hitting any hazards such as post-tension cable and conduit.  This was in preparation of core drilling four 2.5” holes at 18” deep.

We mark all obstructions found in the concrete to ensure safety before drilling

Scan concrete slab and mark obstructionsIn another location in New Orleans, Penhall performed (18) core drills of holes ranging from 2” to 8”, all at 6” deep.   The contractor hired us to scan all locations prior to drilling to help avoid damaging any important conduits, cables, or wires.

GPR scanning to locate post tension cable and conduit in concrete floor

GPR scan on concrete floor to find and mark cables and conduitFor a large hotel chain in New Orleans, we were asked to perform GPR scanning before core drilling.  This particular project required us to core drill 4 holes on the 3rd and 4th floor of the hotel building.  Scanning was necessary to locate the post-tension cable to ensure that the integrity of the slab on each floor remained intact.