According to people in this career, the main tasks are...
| Task | Importance |
|---|---|
| Drill bolt holes into roofs at specified distances from ribs or adjacent bolts. | 98% |
| Pull down loose rock that cannot be supported. | 98% |
| Position bolting machines, and insert drill bits into chucks. | 98% |
| Perform safety checks on equipment before operating. | 97% |
| Perform tests to determine if methane gas is present. | 97% |
| Force bolts into holes, using hydraulic mechanisms of self-propelled bolting machines. | 97% |
| Perform ventilation tasks, such as hanging ventilation curtains and tubes. | 97% |
| Dust rocks after bolting. | 96% |
| Install various types of bolts, including truss, glue, and resin bolts, traversing entire ceiling spans. | 96% |
| Drill test holes and test bolts for specified tension, using torque wrenches. | 96% |
| Position safety jacks to support underground mine roofs until bolts can be installed. | 93% |
| Rotate chucks to turn bolts and open expansion heads against rock formations. | 93% |
| Remove drill bits from chucks after drilling holes, and insert bolts into chucks. | 91% |
| Tighten ends of anchored truss bolts, using turnbuckles. | 87% |
