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Job Description:

  • 1) Operates mobile drilling machine to drill blastholes horizontally in underground mine or in face of strip mine: Drives machine into room where coal, salt, or ore has been undercut.

  • 2) Measures undercuttings with steel rod to determine depth of undercut and location of holes to be drilled.

  • 3) Marks hole locations and boundaries of cut on ribs and face, using chalk.

  • 4) Moves controls to position drill.

  • 5) Starts drill and advances it into rib or face to specified depth.

  • 6) Repositions machine to drill additional holes in specified pattern.

  • 7) Observes electric power cable when moving machine to avoid damage to cable.

  • 8) May drill blastholes in roof to prepare for blasting.




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End Of Job Description for: "DRILLING-MACHINE OPERATOR"
DOT:   930.482-010

Job Number: 3206