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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

Any accident foreseen in this frame?
Equipped with a fork grab, a hydraulic excavator is loading debris generated from the demolished wooden houses. In the truck body, two workers are spreading the wooden debris evenly.
Now what accident do you anticipate occurring in this frame?

This is the accident resulted!
The hydraulic excavator suddenly swung to the right, grabbing the wooden debris, and hard hit one of the workers on the truck. He fell off the truck dead.

Tips for forestalling similar accidents
1. Do not allow anybody to come within the reach of the fork grab, while a hydraulic excavator is in operation.
2. Post a conductor at the worksite who controls the work.
3. Avoid a sudden and fast swing of hydraulic excavators.

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