Marg Career Library - Mining Roof Bolters

Overview:

In an underground mine, use machinery to install roof support bolts.

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A High School Diploma degree or Associate degree is enough.

Using turnbuckles, tighten the ends of the anchored truss bolts.
Place safety jacks under the roofs of underground mines until bolts can be fitted.
Self-propelled bolting machines use hydraulic systems to force bolts into holes.
After drilling holes, remove drill bits from chucks and replace them with bolts.
Carry out chores related to ventilation, such as hanging ventilation curtains and tubes.
Remove any loose rock that is unable to be supported.
After bolting, dust rocks.
Drill bolt holes at preset distances from ribs or adjacent bolts in roofs.
Bolting machines should be positioned, and drill bits should be inserted into chucks.
Before using the device, be sure it's safe.