Exams / HS&E WAH / Harnesses, nets and rescue / Question 5
HS&E WAH practice question: Harnesses, nets and rescue (5 of 6) E. Specialist: Specialist work at height A free question from our original HS&E WAH 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
Guard-railed staging can't be used for work on a fragile roof.
What does HSE say should be used instead?
Choose one answer.
A A. Nothing, just take extra careB B. A tarpaulin over the roofC C. Mattresses or soft boxes on the floor belowD D. Nets under the roof, or harnessesShow the answer and explanation Answer: D
A. Wrong: Wrong. Falls through fragile roofs are often fatal.B. Wrong: Wrong. A tarpaulin won't stop a fall.C. Wrong: Wrong. They are not designed fall protection.D. Right: Right. HSE says if guard-railed staging isn't used, safety nets should be installed underneath the roof or a harness system used.Explanation Without guard-railed staging, use safety nets beneath the roof or a harness system.
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