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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!

Concrete scanning performed on a regular basis for one large project in downtown los angeles

concrete scanning in los angeles, caFor an ongoing project with a large general contracting company at an up and coming luxury high rise condominium construction site in downtown Los Angeles, Penhall Technologies had yet another scanning project to add to the many scan jobs at this particular site over the past year. In this case, the general contractor needed to relocate dowels for rebar, to erect a CMU structure in an outdoor garden area. Before drilling they needed to locate rebar and any conduits that were in the slab. This work was performed using a GSSI Mini XT, a Hilti PS1000 and a RD7000 (radio detection device that picks up live electric). Penhall makes use of different tools to ensure better accuracy on each project.

Ground penetrating radar equipment used to identify hazards before cutting

GPR Scanning in Hollywood CA
Penhall went out to a location in Hollywood, CA to do some concrete scanning using Ground Penetrating Radar. We successfully identified any hazards and avoided them when the concrete was cut.

Locating electrical conduit within a concrete slab

Locating electrical conduit within concrete slab
As you may know, all hospitals require scanning before doing anything at all to the concrete in the building. So, it was a good idea for a medical center located in Los Angeles, CA to hire Penhall to complete a scanning. Here, our analysts were able to locate and mark conduit before cutting into the concrete.

Using GPR to locate rebar and conduit in CMU wall

CMU wall scan to locate rebar and conduit
At a jobsite in Los Angeles, CA, we were tasked with scanning a CMU wall to locate any obstructions, including structural reinforcements and any utilities, in two areas before coring 12″ x 6′ holes.

Rebar and any obstructions in concrete are accurately marked

Ground penetrating radar finds rebar before drilling
Ground penetrating radar scanning was used at a site in Los Angeles, CA to examine two different areas that were 33′ x 33′. Penhall performed the concrete scanning in order to avoid rebar before having 4″ to 6″ diameter cores drilled.