Gudai Rail Spur South

Gudai-Darri Rail Spur South

Principal: Rio Tinto
Client: NRW
Location: Pilbara, Western Australia
Status: In-Progress

Survey Dynamics have been contracted to provide survey services to complete works on the southern end of the Rio Tinto Gudai-Darri rail link. Works commenced in August 2019 and project completion is expected in the later half of 2021. The project includes the following works:

  • 70km of rail including train loadout, ballast spur and signal pads.
  • Establishment of a crossing at Roy Hill-Munjina Road including all associated diversions.
  • A 40km mine access road from Great Northern Highway to Gudai-Darri Airport.
  • Approx. 20 km of Rail access roads.
  • 3 light vehicle, pedestrian and fauna underpasses.

Survey services on site include:

  • Environmental surveys – ensuring minimal land disturbance where possible.
  • UAV flight data to present the client with stripped surface, topsoil volumes, progress reports and photogrammetry.
  • Creating control networks used by both surveyors and final trim operators to achieve optimal results of the earthworks.
  • Monthly quantity surveys and process reports
  • Final quantity calculations.
  • Providing Action Drill and Blast with blast patterns and quantities for each blast layer.
  • Machine guidance installs, setups and design files
  • Temp works designs, borrow pits, ramps, proposed design changes etc.