Exams / HS&E TUNN / Air, gases and confined spaces / Question 2
HS&E TUNN practice question: Air, gases and confined spaces (2 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.
Last verified October 2026 against HSE guidance and the law ·How we write our questions
You are planning emergency arrangements for work in a sewer tunnel.
What does HSE say about relying on the emergency services?
Choose one answer.
A A. It is all that is neededB B. It is fine if the site is near a fire stationC C. Only the client needs to plan for emergenciesD D. It isn't enough on its ownShow the answer and explanation Answer: D
A. Wrong: Wrong. They may not arrive in time.B. Wrong: Wrong. Plan your own rescue arrangements.C. Wrong: Wrong. Those in control of the work must plan for emergencies.D. Right: Right. HSE says you should have emergency arrangements, and relying on the emergency services is not enough.Explanation Plan your own emergency and rescue arrangements. Don't rely only on the emergency services.
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