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HS&E MAP practice question: Confined spaces (3 of 4)

D. High risk activities A free question from our original HS&E MAP practice exam. Try it, then open the answer to see why each option is right or wrong.

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Liquids could flow into a chamber while people are working inside.

What does HSE say to check?

Choose one answer.

  1. A. Nothing, as any water will drain away through the floor of the chamber
  2. B. That workers can swim
  3. C. That the chamber has a ladder
  4. D. That valves can be locked shut
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. Flooding can drown workers in a confined space.
  • B. Wrong: Wrong. Prevent flooding instead.
  • C. Wrong: Wrong. A ladder helps exit, but stopping liquids getting in comes first.
  • D. Right: Right. HSE says check that valves can be locked shut where liquids or gases could flood in.

Explanation

Isolate confined spaces from liquids and gases, for example by locking valves shut.

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