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HS&E DEM practice question: Structural stability and temporary support (5 of 6)

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

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Part of a building is known to be weak, but nobody is sure whether it needs propping.

Who should decide?

Choose one answer.

  1. A. Nobody, as weak areas can be left
  2. B. A qualified, experienced engineer
  3. C. The machine driver, from the cab
  4. D. Whoever is nearest the weak area
Show the answer and explanation

Answer: B

  • A. Wrong: Wrong. A weak structure can collapse.
  • B. Right: Right. HSE says a suitably qualified and experienced engineer should decide if temporary support is necessary.
  • C. Wrong: Wrong. This needs an engineer's judgement.
  • D. Wrong: Wrong. It needs an engineer.

Explanation

Where a structure may be weak, an experienced engineer decides whether temporary support is needed.

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