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HS&E DEM practice question: Structural stability and temporary support (2 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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A scaffold has been put up next to a wall that is being demolished.

Can the scaffold be used to hold the wall up?

Choose one answer.

  1. A. Yes, if you add extra ties to the wall
  2. B. Yes, but only for a few hours while the wall is propped
  3. C. Only if it is designed as a support
  4. D. Yes, any scaffold can hold up a wall
Show the answer and explanation

Answer: C

  • A. Wrong: Wrong. Ties to an unstable wall could pull the scaffold down.
  • B. Wrong: Wrong. It must be designed as a support.
  • C. Right: Right. HSE says scaffolding must not be used to support structures unless it is specifically designed as a support.
  • D. Wrong: Wrong. A standard scaffold isn't designed for those loads and could collapse.

Explanation

Never use a scaffold to support a structure unless it has been designed to do that.

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