W6 Pit Development

  • BHP requested the Diversion of the OHP2 and Herbert’s creek along a new channel to facilitate the larger 5-year mine expansion plan for the Yandi Pit mine.
  • Austral was responsible for the relocation of electrical infrastructure (33kV power lines) and communications infrastructure (underground fibreoptic cable) as part of the works involved in this ambitious project.
  • Bulk and detailed earthworks for the Australia’s first landbridge, diverting creek through old mining pit
  • Screening of 200,000m3 material for
  • Installation of 50,000m2 of Geofabric and Geosythetic Clay liner
  • Placement of scour material for low and high flow channel
  • Cut and fill to create diversion channels and drainage protection rip rap

The Project