A rig crew gathered tools and equipment and rigged up to slip and cut the drill line. Two floormen were located on top of the motor shed where they marked and cut the drill line. The dead end of the drill line was rigged to lift out of the drawworks with a crane using a cable clamp type-lifting device. As the drill line was removed from the drum, the crane hoisted it. When it was about 70 ft. (21.3 m) in the air, the drill line slipped out of the clamp device and the line fell striking a floorman on the hardhat and shoulder.
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