What kind of accident is about to happen?

Dirt has been produced at a nearby construction site and is going to be reused at a rock quarry. A wheel loader is therefore being used to smooth out the piled up dirt. Can you predict what's about to happen?

Look what happened!

The weight of the vehicle caused the edge of the pile to collapse. The vehicle tires came off of the shoulder and the vehicle tumbled down from the top of the pile.

Tips for preventing similar accidents
1.	Machinery operators should know shoulders are unstable. Before starting work, check the shoulders and perform a safety inspection of the footing.
2.	If dirt is in danger of collapsing, halt work immediately and take appropriate safety measures. For example, workers should place a flag, pole or other sign showing the location of the shoulder.
3.	The driver should check the positions of the forward and reverse levers, and work perpendicular to edges when performing dirt pushing work.
4.	Select the appropriate vehicle (e.g. crawler-type) for the ground and other conditions of the earthwork being performed.

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