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

What is the locating in preparation for?

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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!

Frequently Asked Questions for Utility Locating Service


  • A public utility locator does the service at no cost for you. However, they can only perform the service on public property.
  • Private utility locators can come in and pick up where public utility locator left off to help you locate utility lines on private property.
  • If you are a first-time customer who needs utility locating service, you should call #8-1-1 to reach your local public utility locator first. Then, if they can’t perform the service, reach out to a private locator.

Some Utility Locating Projects that Penhall Works On within Birmingham Region

Penhall locates utility lines at a well renowned children’s hospital in Birmingham

Utility locating survey equipmentA utility line locating service was conducted by Penhall Technologies, a private utility company on the perimeter of a parking structure at a well renowned children’s hospital in Birmingham, AL.

We use various equipment to ensure accuracy while locating utility lines

Locate utilities using GPR and RD technologyAt a large university in Tuscaloosa, AL, Penhall Technologies executed both concrete scanning and utility locating on 5 locations of the campus. The client wanted to ensure that he could install the new plumbing drains without encountering any hazards beneath the surface.

Identify all underground lines over different surfaces

utility locating on asphalt pavementIn Cedar Springs, AL, Penhall Technologies analyst conducted a utility survey over one mile in length to identify underground utilities. The analyst conducted the survey on a combination of surfaces including, asphalt, soil, and concrete. The analyst used flags and paint to mark the utilities.