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HS&E TUNN practice question: Dust, noise and vibration (5 of 7)

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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Noise from plant in a tunnel is above the upper exposure action value of 85 dB.

What must happen?

Choose one answer.

  1. A. Workers can turn their radios up
  2. B. Only visitors need protection
  3. C. Hearing protection must be worn
  4. D. Nothing, as tunnels are always noisy
Show the answer and explanation

Answer: C

  • A. Wrong: Wrong. That adds noise.
  • B. Wrong: Wrong. Everyone exposed needs protection.
  • C. Right: Right. HSE says at the upper exposure action value, hearing protection must be provided and worn, and noise must be reduced as far as reasonably practicable.
  • D. Wrong: Wrong. The noise regulations still apply.

Explanation

Above 85 dB, hearing protection is required and noise must be reduced where possible.

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