Commitment to Safety • Reliable Results
Responsive Resources • Established Expertise

Penhall Technologies provides utility locating, employing both electromagnetic induction (EMI) and ground penetrating radar (GPR) for privately owned property. We can identify and locate subsurface hazards and obstructions existing in the ground. Reduce the risk and help ensure the safety of your next project by contacting Penhall Technologies for your private utility locating needs.

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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?

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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!


Montgomery Utility Locating Projects that Penhall Worked On

Locate all utilities to ensure safety when excavating

Locating all utilities before excavationA customer in Montgomery, AL recently hired Penhall Technologies as his private utility locator. The client needed to identify subsurface utilities such as water, gas, sewer, and electrical before excavation could begin on a new construction project. Penhall Technologies’ GPR analysts arrived at the job site, and used two utility locating equipment (as pictured). They used GPR with the GSSI 400MHz antenna, and used the RD7100 with radio detection technology. Analysts always have both equipment on hand to  locate and mark identified utilities to maximum accuracy.

Detect subsurface utilities and storage tanks for a gas station

Detect subsurface utilities and storage tanksPenhall Technologies was hired to locate underground utilities at a local gas station in Montgomery, AL. The service was done prior to an installation of a new perimeter fence. By conducting the utility locating, the project remained on schedule. Ultimately, the gas station only had to be closed for 12 hours during non-business hours.

Ground penetrating radar used to locate and mark electrical and gas lines

Montgomery utility locating analyst on the job A private Montgomery, AL residence had a pool installation scheduled for their backyard. Before trenching began, the homeowners called Penhall Technologies to perform underground utility locating on a 20’x30′ area. The analyst marked water and electrical lines and provided the homeowner a written field report to share with the pool company. This ensures safety for the client and those working on his project.

Locate utilities in a university parking lot after hours to avoid traffic build up

Experienced utility locator using GPRPenhall Technologies was recently hired at a university in Auburn, AL. The customer requested we locate all underground utilities in a parking lot after normal school hours to avoid closures and traffic build up. Our analyst detected the utilities, and these were marked after hours and no traffic issues occurred as a result.