Sandy Ridge Project

Scope of Work

GR Engineering were appointed by Tellus Holdings Ltd to design and construct Australia’s first commercial dual open-cut kaolin mine and arid near-surface geological waste repository with a 25-year operating license. Located 240 kilometres by road west north west of Kalgoorlie, the project involved mining up to 290,000 tpa of kaolin clay and receiving up to 100,000 tpa of Class IV (Secure Landfill) and Class V Intractable Landfill waste (“hazardous waste”) at the gate over the 25 year facility life.

The facility scope included:

  • Site vehicle entry and administration office with radiation monitoring;
  • Container storage yards with flammable storage;
  • Onsite laboratory for analysis;
  • Waste immobilisation plant used to prepare/stabilise waste sludge/liquid by combination with kaolin and cement discharged into half height containers;
  • Radioactive warehouse facilities and waste inspection bays;
  • HV/LV workshop and wash down bay;
  • Site infrastructure services including bore water pipeline, refueling and water distribution;
  • Excavation of first waste cell and erection of 180 m x 90 m Cell Air Dome Structure (CADS) to prevent ingress of water during waste placement;
  • Accommodation camp for 71 persons.


Project Fact Sheet

Click to download

Associated News

More Projects

View Projects Map


  • Client Tellus Holdings Ltd
  • Award Date February 2019 
  • Completion Date October 2020
  • Location Approximately 75km north-east of Koolyanobbing in the Goldfields region of Western Australia.
  • Project Manager Stuart Peirce
  • Process Manager Bill Gosling
  • Project Type Greenfields, lump sum contract, EPC