| Job Title |
Horizontal-earth-boring-machine Operator |
| Job Description |
Sets Up And Operates Boring Machine To Drill Horizontal Holes
Through Earth Banks For Installation Of Pipelines Under
Highways, Railroads, Canals, And Other Obstructions: Assembles
And Positions Machine, Augers, And Casing Pipes. Signals
Operator Of Crane To Lower Boring Equipment Into Previously Dug
Starter Hole. Verifies Depth And Level Of Boring Position, Using
Surveyor's Level And Spirit Level. Starts Engine And Moves
Levers To Rotate And Feed Auger Into Earth, And Simultaneously
Activates Hydraulic Ram That Forces Casing Into Hole. Retracts
Auger And Forces Earth Cuttings Back Through Casing To Permit
Coupling Additional Sections Of Casing And Auger. May Operate
Machine Which Flushes And Pumps Earth Cuttings From Hole. May
Operate Boring Machine That Drives Pilot Hole Through Earth Bank
And Pulls Auger Bit Back Through Bank To Cut Hole Of Required
Diameter.
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