{"v":"2026-11-02","dataVersion":"ONET-30.3+BLS-MAY25","code":"47-5043.00","slug":"roof-bolters-mining","title":"Roof Bolters, Mining","alt":["Bolter","Roof Bolter","Miner","Underground Miner","Roof Bolter Operator","Bolt Man","Bolting Inspector","Underground Roof Bolter","Truss Assembler","Bolt Machine Operator"],"employment":2160,"wage":{"median":78540,"p25":71390,"p75":81860},"growthPct":-34.2,"exposure":15.7,"taskCount":14,"highCount":0,"midCount":0,"lowCount":14,"aeiObserved":0,"fit":{"mix":{"none":85.8,"efficient":14.2,"standard":0,"frontier":0},"counts":{"none":12,"efficient":2,"standard":0,"frontier":0},"recommended":"efficient","coveragePct":14.2,"addressablePct":14.2},"tasks":[{"t":"Drill bolt holes into roofs at specified distances from ribs or adjacent bolts.","imp":4.93,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Pull down loose rock that cannot be supported.","imp":4.91,"exp":15,"src":"heuristic","tier":null,"gwa":"Controlling Machines and Processes"},{"t":"Position bolting machines, and insert drill bits into chucks.","imp":4.91,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Perform safety checks on equipment before operating.","imp":4.89,"exp":15,"src":"heuristic","tier":null,"gwa":"Inspecting Equipment, Structures, or Materials"},{"t":"Perform tests to determine if methane gas is present.","imp":4.88,"exp":15,"src":"heuristic","tier":null,"gwa":"Inspecting Equipment, Structures, or Materials"},{"t":"Perform ventilation tasks, such as hanging ventilation curtains and tubes.","imp":4.87,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Force bolts into holes, using hydraulic mechanisms of self-propelled bolting machines.","imp":4.87,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Dust rocks after bolting.","imp":4.85,"exp":15,"src":"heuristic","tier":null,"gwa":"Controlling Machines and Processes"},{"t":"Install various types of bolts, including truss, glue, and resin bolts, traversing entire ceiling spans.","imp":4.84,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Drill test holes and test bolts for specified tension, using torque wrenches.","imp":4.8,"exp":15,"src":"heuristic","tier":null,"gwa":"Inspecting Equipment, Structures, or Materials"},{"t":"Position safety jacks to support underground mine roofs until bolts can be installed.","imp":4.68,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Rotate chucks to turn bolts and open expansion heads against rock formations.","imp":4.65,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Remove drill bits from chucks after drilling holes, and insert bolts into chucks.","imp":4.58,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"},{"t":"Tighten ends of anchored truss bolts, using turnbuckles.","imp":4.37,"exp":15,"src":"heuristic","tier":null,"gwa":"Handling and Moving Objects"}],"adjacent":[{"code":"47-5041.00","slug":"continuous-mining-machine-operators","title":"Continuous Mining Machine Operators","overlap":0.68,"months":12,"exposure":17.2,"strong":true},{"code":"47-5044.00","slug":"loading-and-moving-machine-operators-underground-mining","title":"Loading and Moving Machine Operators, Underground Mining","overlap":0.65,"months":13,"exposure":16.8,"strong":false},{"code":"47-5023.00","slug":"earth-drillers-except-oil-and-gas","title":"Earth Drillers, Except Oil and Gas","overlap":0.62,"months":14,"exposure":28.2,"strong":false},{"code":"47-5022.00","slug":"excavating-and-loading-machine-and-dragline-operators-surface-mining","title":"Excavating and Loading Machine and Dragline Operators, Surface Mining","overlap":0.6,"months":14,"exposure":21.6,"strong":false},{"code":"47-2181.00","slug":"roofers","title":"Roofers","overlap":0.59,"months":15,"exposure":18.4,"strong":false}]}