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

First-timers who are looking for an underground utility locator, you should:

  • Dial 8-1-1 to reach your local public utility locating company. They can help you determine whether you can advance with public services at no cost
  • Next, if public utility locator cannot assist your needs, reach out to a private utility locating company.

Underground Utility Locator detects irrigation lines before digging a trench

Before trenching, use GPR to locate subsurface sprinkler linesBefore digging a trench 110′ feet long by 3′ wide to install new drainage pipes, Penhall Technologies used GPR technology to detect and mark irrigation and sprinkler lines. The analyst identified and marked all underground hazards, and communicated to the customer.

Locate underground water storage tanks using ground penetrating radar

Locating large water storage tanks with GPRIn Beverly Hills, CA, Penhall analysts used GPR to locate (2) large water storage tanks. The analyst located the tanks and marked their location using spray paint. The analysts also completed a written field report  documenting the underground utilities’ location. Clients have the option of obtaining a reports upon requested without no additional charges.

Identify live utilities at an airport before undergoing a terminal expansion

locating gas lines and telecommunications linesAt a Burbank, CA airport, prior to a terminal expansion, GPR was used to identify whether or not live utilities, including gas and telecommunication lines, were located under a concrete slab. At Penhall, safety is our No.1 priority. We make sure that the performing service is fast, reliable, and accurate.

Locate conduit and cables before installing solar panels

Locate conduits and cables before installing solar panelsA California state university needed to install solar panels on a parking structure to generate electricity for the campus. Penhall Technologies identified, marked, and discussed what utilities they had discovered and left the campus with written reports for their records.

Determine size and location of a buried abandoned swimming pool

determining if there is a pool undergroundIn Thousand Oaks,  CA, a newly purchased plot of land needed to be surveyed to identify voids that possibly could be the location of an old dirt-filled pool. Penhall Technologies analysts arrived on site and completed the 1-acre scan in just under a day, successfully locating the location and size of abandoned swimming pool.