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Preventing excavation damage

  • GTI is working to reduce third-party damage from excavation activity by using real-time GIS technology and cellular-connected location and motion sensors placed on construction equipment. Real-time tracking of construction equipment, gas system infrastructure GIS data, and activity characterization algorithms are used to alert stakeholders to potential damage from active excavations.

    GTI has worked extensively with Operations Technology Development (OTD), Pacific Gas & Electric (PG&E), and other Utilities to develop and demonstrate the technology. Currently, GTI is deploying 150 devices in a pilot project with PG&E as part of a California Energy Commission grant.
  • A new pipe location technology that provides accurate locations of buried pipe is is commercially available from Sensit Technologies as UltraTrac® APL. The Acoustic Pipe Locator (APL) uses a handheld acoustic transmitter and receiver to detect and locate both metallic and non-metallic pipes buried as deep as 8-10 feet. It can be universally applied for most soils and expected ground coverings such as grass, asphalt, concrete, and dirt. The technology, developed by GTI with funding support from OTD, is expected to save the industry millions of dollars by helping to reduce the potential for damage to un-located buried pipes and the resulting incidents that can create customer outages.