Utility & Pipe Locating using GPR in Honolulu, HI

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99-1026 Iwaena Street, Aiea, HI 96701

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Your experienced utility locator

Penhall Technologies Scanning Analyst Joe


  • GSSI StructureScan and UtilityScan certified
  • RD7000 Utility locator trained
  • Hilti Transpointer trained
  • OSHA 30
  • US Air Force veteran
  • FDA and Metrology background
  • Avid golfer
Penhall Technologies Scanning Analyst Bryan


  • 9 yrs. as Penhall Employee
  • 6 yrs. of GPR Experience
  • Strong Leadership Skills
  • OSHA 30 Certified

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Ground penetrating radar used to locate underground utilities and other hidden obstruction

Locate underground utilities and hidden obstructionsAt a location in Makakilo, HI, a customer needed to locate underground utilities along with any hidden obstructions.  The area to scan was approximately 300 x 100 yards. Our analyst used ground penetrating radar to locate electrical lines, fiber optic lines, and other utilities successfully.

Ensure construction safety by locating utilities first

Locate buried sewer pipesFor a commercial property in Kailua, a general contracting company hired Penhall Technologies to scan for underground utilities.  Our analyst scanned a small area of 14′ x 10′ to locate and mark all utilities so that it was safe for the general contractor to move forward with their project.