850.662-014 - ROCK-DRILL OPERATOR II (construction) alternate titles: drifter - DOT Dictionary of Occupational Titles Job Description

CODE: 850.662-014Buy the DOT:Download/CD-ROM
TITLE(s): ROCK-DRILL OPERATOR II (construction) alternate titles: drifter

Operates drill supported by upright column, to drill through rock in construction work, such as tunnels, highways, or dams: Fits bit in chuck of drifter (drill). Regulates valve to release compressed air that activates drill. Turns screw to feed drill into rock. Regulates flow of water to remove dust and debris from hole, or blows dust out of hole with compressed air.
GOE: 05.11.01 STRENGTH: H GED: R3 M1 L1 SVP: 5 DLU: 77
ONET CROSSWALK: 87902A Construction Drillers

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