Employment Percentage
100
SOC Title
Roof Bolters, Mining
Typical Ed Level
a high school diploma or less
Career Description
Operate machinery to install roof support bolts in underground mine.
Core 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.
- Force bolts into holes, using hydraulic mechanisms of self-propelled bolting machines.
- Perform safety checks on equipment before operating.
- Perform tests to determine if methane gas is present.
- 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.
Start Annual Earnings
53680.88
Top Annual Earnings
100107.59
EMSI Career Title Slug
roof-bolter-mining