08 – Backfill

Engineering

  • Fill type evaluation (rock, cemented rock, deslimed tailings, paste)
  • Material/s evaluation (rock, sand, tailings, cement, pozzolans & flocculants)
  • Mix design
  • Materials balance
  • Placement (trucks, boreholes, piping, drainage, barricades, fill rate)
  • Implementation programs
  • Capital cost estimates

Previous Work

  • 70% preliminary design – Olympic Dam Expansion Project Feasibility Study
  • Cement & fly ash supply – Olympic Dam Expansion Project Feasibility Study
  • Backfill mix design test work – Olympic Dam Expansion Project Feasibility Study
  • Backfill system 30% preliminary design – Olympic Dam Expansion Project Pre-feasibility Study
  • Backfill system concept design – Olympic Dam Expansion Project Scoping Study
  • Backfill system design & engineering – Broken Hill Life of Mine Study
  • Backfill system review – Granites Gold Mine Feasibility Study
  • Backfill study tour of South Africa, Canada, United States & Australia