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CODE: 850.682-010Buy the DOT:Download/CD-ROM
TITLE(s): SHIELD RUNNER (construction) alternate titles: erector operator; hydraulic operator;

shield operator Sets up and operates equipment to advance steel framework (shield) within tunnel during construction: Turns handcrank to regulate hydraulic valves that advance jacks used to push forward tunnel shield that supports overlying ground during tunnel construction. Moves levers to regulate movement of steel arm attached to shield to lift metal segments of tunnel heading into position.
GOE: 05.11.01 STRENGTH: L GED: R3 M1 L1 SVP: 5 DLU: 77
ONET CROSSWALK: 87949A Mining Machine Operators and Tenders