Subsurface Utility Engineering

Patterson & Dewar’s Subsurface Utility Engineering (SUE) department applies the latest technologies to accurately map underground utilities for airports, railroads, building construction, and public works projects. SUE is instrumental in engineering by helping designers minimize conflicts of existing infrastructure, thereby avoiding costly impacts to underground utilities during construction.

P&D routinely adheres to the ASCE 38-02 Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data published in 2003 by the American Society of Civil Engineers. This standard defines the quality levels of SUE investigations and provides a reliable standard level of care for the designation and location of underground utilities.

SUE services:

  • Utility records research
  • Utility designation and surveying
  • Ground penetrating radar (GPR)
  • Surface feature utility surveys
  • Utility mapping
  • Utility impact analysis
  • Utility relocation design and coordination

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