We are international specialists in mine backfilling. Our services span the full range of backfills from cemented fills to paste fills and specialty fills.


Our expertise spans the full spectrum of backfill

  • cemented fills
  • unconsolidated fills
  • rockfills and aggregate fills
  • hydraulic fills and classified sandfills
  • paste fills

Summary of Services Backfill Geomechanics

  • Mix designs and optimization
  • Backfill target strengths
  • Backfill exposure stability
  • Binder optimization
  • Aggregate sizing

Backfill Designs

  • Backfilling alternatives - trade off studies
  • Backfill plant design
  • Underground backfill reticulation systems
  • Crushing and screening plants
  • Water and mass balances
  • PFD's, P&ID's, load list, equipment list
  • Backfill placement design
  • Equipment sizing and selection
  • Tailings reclamation and mine remediations

Backfill Operations

  • Backfill quality control protocols
  • Site laboratory design and audit
  • Off-site laboratory testing
  • Plant commissioning
  • Plant audits and troubleshooting

Backfill Studies

  • Conceptual designs
  • Pre-feasibility studies
  • Feasibility studies
  • Basic Engineering
  • Detailed Engineering (with international engineering company partners)
  • CAPEX and OPEX estimation