Details for Roof Bolters, Mining
Operate machinery to install roof support bolts in underground mine.
- 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.
- Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.
Education, training, experience
- Education - These occupations usually require a high school diploma.
- Training - Employees in these occupations need anywhere from a few months to one year of working with experienced employees. A recognized apprenticeship program may be associated with these occupations.
- Experience - Some previous work-related skill, knowledge, or experience is usually needed. For example, a teller would benefit from experience working directly with the public.
- Public Safety and Security - Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.
- Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
- Coordination - Adjusting actions in relation to others' actions.