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HS&E TUNN practice question: Air, gases and confined spaces (6 of 6)

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

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Entry into a confined space in a tunnel can't be avoided.

What must you do before anyone goes in?

Choose one answer.

  1. A. Nothing, if the space was safe yesterday
  2. B. Just send in someone experienced who has done it before
  3. C. Leave the lights off to save power
  4. D. Assess the risks and plan the controls
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. Conditions can change. Assess and plan each time.
  • B. Wrong: Wrong. Experience doesn't replace a plan.
  • C. Wrong: Wrong. That doesn't control any of the risks.
  • D. Right: Right. HSE says if entry is unavoidable, you must assess the risks of that confined space and plan how you will control them.

Explanation

If entry is unavoidable, assess the risks and plan how to control them before anyone goes in.

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