Roof Bolters, Mining

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Job Description

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Key Tasks

• Drill bolt holes into roofs at specified distances from ribs or adjacent bolts.
• Pull down loose rock that cannot be supported.
• Position bolting machines, and insert drill bits into chucks.
• Perform safety checks on equipment before operating.
• Perform tests to determine if methane gas is present.
• Force bolts into holes, using hydraulic mechanisms of self-propelled bolting machines.
• Perform ventilation tasks, such as hanging ventilation curtains and tubes.
• Dust rocks after bolting.
• Install various types of bolts, including truss, glue, and resin bolts, traversing entire ceiling spans.
• Drill test holes and test bolts for specified tension, using torque wrenches.
• Position safety jacks to support underground mine roofs until bolts can be installed.
• Rotate chucks to turn bolts and open expansion heads against rock formations.
• Remove drill bits from chucks after drilling holes, and insert bolts into chucks.
• Tighten ends of anchored truss bolts, using turnbuckles.

O*NET Information

• SOC Code: 47-5043.00
• Title: Roof Bolters, Mining

Related Occupations

Based on O*NET Standard Occupational Classification.

Career Resources

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  title: 'Roof Bolters, Mining',
  description: 'undefined',
  socCode: '47-5043.00',
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