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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I can confirm this is a private locate. For all public locates please contact 811.

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What are we scanning? Slab on grade, suspended slab, etc.

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

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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!


Santa Clara Utility Locating Projects that Penhall Worked On

Locate utility lines before construction

Recently, Penhall Technologies performed utility locating services at the San Jose Fairgrounds. The client wanted to scan before the directional boring of communication lines. Our analysts used the RD 7000 in power and radio mode, in addition to using an induced signal method. They located gas lines, power lines, communication lines, and water lines. Also, they used the GSSI 400 MHZ three-wheel cart to examine an approximate depth of 8-10 feet to locate other targets not located by the RD 7000 unit. After the scan, the analysts did a job walk with the customer to prevent any misunderstandings, and followed up with a field report.

Identify private utility lines before undergoing a patio demolition

locate utilities before undergoing demolition of patioIn Cupertino, a private homeowner wanted to be sure no underground utilities were beneath the surface before chipping away an old patio slab. Penhall Technologies arrived at the home on a Saturday, marked all  utilities, and left the customer feeling confident and ready to dig!

Mark underground cables, wires, and pipes before excavating and laying new sod

Mark underground cables, wires, and pipes before excavating and laying new sodA Hollister high school was planning to renovate their existing baseball fields. They wanted to install wew grass and irrigation systems. Penhall Technologies performed underground private utility locating with the use of GPR and RD technology to mark all existing water lines.

Utilities located at popular boardwalk parking lot to prepare for crowd improvements

Surveying for subsurface utilitiesAt a popular boardwalk parking lot, underground utilities needed to be located and marked in preparation for summertime crowd improvements. Our analyst identified and marked gas and water lines. In addition, a written field report which was provided to the customer for their records.

Avoid hitting vital utility lines before undergoing tree removal

locate utilities before undergoing tree removal In San Jose at a high-profile technology campus, 15,000 sq foot of underground utility locating was conducted before trees could be removed in a designated area. Penhall Technologies executed the utility locating with the use of the GSSI 400Mhz antenna and the RD7100.