このページは国際安全衛生センターの2008/03/31以前のページです。
国際安全衛生センタートップ > 事例研究 > Cases Involving Construction Vehicles

What kind of accident is about to happen?
A drag shovel with a crane attachment is being used to lift and move a sewer pipe in a partially sloped work yard, and the workers are trying to lay the pipe on the ground.
Can you predict what's about to happen?


Look what happened!
Since it had been hung off balanced, the steel pipe began to roll on the ground, and a worker was crushed between the steel pipes.

Tips for preventing similar accidents
1. Do not hang materials from single sling. Always use at least two slings, and guide hanging loads using restraining ropes.
2. Do not move loads when workers are nearby. Stay away from hanging loads.
3. Develop signals that can be used between workers.

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