CODE: 850.683-034Buy the DOT:Download/CD-ROM
TITLE(s): ROCK-DRILL OPERATOR I (construction)

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. Verifies level of machine, using spirit level. Inserts steel drill or rock bit into chuck. Moves levers to start, stop, and control drilling speed of machine. Drills holes and observes depth gauge on drill stem to verify depth of hole specified by BLASTER (any industry). May be designated according to type of machine operated as Reciprocating-Drill Operator (any industry); Rotary-Rock-Drilling-Machine Operator (any industry).
GOE: 05.11.01 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77
ONET CROSSWALK: 87902A Construction Drillers