Underground Mining Loader Operator how-to

How to Muck a Heading Safely

Mucking clears blasted rock.

Updated By the Career Education Institute Curriculum Team
Quick answer

Mucking clears blasted rock. In short: check; check; approach, then complete the remaining steps below.

Step by step

  1. Check the roof is supported.

  2. Check gas.

  3. Approach carefully.

  4. Fill the bucket.

  5. Haul to dump.

  6. Repeat.

Safety reminders for underground mining loader operators

  • Follow MSHA rules
  • Watch for pedestrians
  • Check gas
  • Wear self-rescuers

MSHA · Part 46/48 training · Ground control · Pre-shift exam · Self-rescuer · LHD: see the full underground mining loader operator glossary.

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