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HS&E HIW practice question: Excavations in the highway (4 of 6)

E. Specialist: Highway works A free question from our original HS&E HIW practice exam. Try it, then open the answer to see why each option is right or wrong.

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A tipper needs somewhere to wait while it is loaded beside an open trench.

What does HSE say?

Choose one answer.

  1. A. Keep it back from the trench sides
  2. B. Park with its wheels right at the edge
  3. C. Park it on the trench if the trench is shored
  4. D. Anywhere, as long as the engine is off
Show the answer and explanation

Answer: A

  • A. Right: Right. HSE says don't park plant and vehicles close to the sides of excavations, as the extra weight can make the sides collapse.
  • B. Wrong: Wrong. The weight could collapse the trench side.
  • C. Wrong: Wrong. Supports are not designed for vehicle loads.
  • D. Wrong: Wrong. The weight is the problem, running or not.

Explanation

Keep plant and vehicles away from the sides of excavations.

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