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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?
Workers at a construction site are trying to offload steel plates from a truck using slinging clamps and a drag shovel with a crane attachment.
Can you predict what's about to happen?

Look what happened!
Because the slinging clamp was not attached at the center of the steel plate, the plate slipped from the bed of the truck, crushing the worker between the drag shovel and the steel plate.

Tips for preventing similar accidents
1. Conduct preliminary inspections and ensure that proper slinging equipment is used.
2. When steel plates are slung horizontally (parallel to the ground), use four slinging clamps.
3. Assign someone to serve as a guide, provide instructions in accordance with the predetermined work plan, and ensure that all workers involved follow those instructions.
4. After confirming that the slinging clamps have been properly attached, the worker should move away from the suspended load and then signal the operator.

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