Job Description:

• 1) Inspects, repairs, and replaces mine shaft parts, such as timbers, cage guides, guardrails, and cable, using handtools.

• 2) Tightens joints of compressed air, steam, and water pipes in shaft, using pipe wrenches.

• 3) May build doors and brattices of canvas or wood.

• 4) May erect partitions of concrete, concrete block, or brick.