Job Description:

• 1) Sets up and operates self-propelled or truck-mounted drilling machine to bore blasting holes in overburden at strip mine, open pit, quarry, or construction site: Positions and stabilizes machine, using jacks, and lowers drill shaft into position.

• 2) Moves levers to start and advance drill into overburden, ore, or rock formation.

• 3) Stops drill to install additional drill stems.

• 4) Observes operation to detect binding or stoppage of drill.

• 5) Removes drill when specified depth has been reached.

• 6) Replaces broken or worn parts, using handtools, and lubricates equipment.

• 7) May charge and set off explosives in blasting holes.

• 8) May be assisted by DRILLER HELPER.

• 9) May be designated according to type of drill operated as Tractor-Drill Operator; Rotary-Drill Operator; Wagon-Drill Operator.