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Mine Subsurface Investigation

Key task activities performed:

  • Developing profiles, and identifying subsurface anomalies, weak or collapsed (rubble) zones, intact pillars, and the extent of mine voids and their respective orientations at various mining levels.
  • Conducting void imaging surveys using borehole deployable robotic laser scanner- Creating 3D laser models, and determining void sizes and volumes.
  • Determining the subsidence mechanism and related failure modes.
  • Assessing subsidence and sinkhole risk levels.