Engineering Surveying

    Precise tunnel check survey, Canada Line False Creek tunnel

    Precise tunnel check survey, Canada Line False Creek tunnel

    Measuring the flatness of submersible docking collar flange, Oceanworks International, North Vancouver, 2006

    Measuring the flatness of submersible docking collar flange, Oceanworks International, North Vancouver, 2006

    Leica DNA03 1st order digital level used in docking collar flatness survey, Oceanworks International, North Vancouver, 2006

    Leica DNA03 1st order digital level used in docking collar flatness survey, Oceanworks International, North Vancouver, 2006

    GPS photo control for Tsay Key Dene mapping for BC Hydro, Williston Lake

    GPS photo control for Tsay Key Dene mapping for BC Hydro, Williston Lake

    Hydrographic surveying on Williston Lake for BC Hydro, near Tsay Keh Dene Village, From left: C. El Araj, boat driver, 2007

    Hydrographic surveying on Williston Lake for BC Hydro, near Tsay Keh Dene Village, From left: C. El Araj, boat driver, 2007

    GPS control network for Pitt River Bridge monitoring program, Pitt Meadows & Coquitlam

    GPS control network for Pitt River Bridge monitoring program, Pitt Meadows & Coquitlam

    Precise flatness survey of slew bearing for Stacker-Reclaimer, Westshore Terminals, Delta

    Precise flatness survey of slew bearing for Stacker-Reclaimer, Westshore Terminals, Delta

    Sample of graph of movement for one of the 50 points on the Pitt River Bridge monitoring survey

    Sample of graph of movement for one of the 50 points on the Pitt River Bridge monitoring survey

    3D persective view of hydrographic survey of Terzaghi Dam for BC Hydro

    3D persective view of hydrographic survey of Terzaghi Dam for BC Hydro

    3D Laser scan of topographic survey

    3D Laser scan of topographic survey

Throughout its history, Underhill has provided engineering surveying services throughout British Columbia, the Yukon, the Northwest Territories, and Nunavut. These services include

  • environmental monitoring and well surveys,
  • three dimensional laser scanning,
  • precise machinery alignment,
  • structural deformation monitoring,
  • settlement monitoring,
  • hydrographic mapping,
  • tunnel control,
  • shaft plumbing,
  • GPS positioning,
  • mining surveys, and
  • photogrammetric control surveys.


All Services