Job Description:

• 1) Drives and operates tractor-mounted rock drilling machine to drill explosive-charge holes through hard materials to facilitate blasting operations: Moves lever to set out-rigger jacks to level machine.

• 2) Verifies level of machine, using spirit level.

• 3) Inserts steel drill or rock bit into chuck.

• 4) Moves levers to start, stop, and control drilling speed of machine.

• 5) Drills holes and observes depth gauge on drill stem to verify depth of hole specified by BLASTER.

• 6) May be designated according to type of machine operated as Reciprocating-Drill Operator; Rotary-Rock-Drilling-Machine Operator.