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HS&E SAF practice question: Water hygiene (5 of 5)

E. Specialist: HVACE – services and facilities maintenance A free question from our original HS&E SAF practice exam. Try it, then open the answer to see why each option is right or wrong.

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A new wing is added to a building's water system.

What should happen to the legionella risk assessment?

Choose one answer.

  1. A. It should be thrown away
  2. B. Only the new wing needs one
  3. C. It should be reviewed
  4. D. Nothing, it never expires
Show the answer and explanation

Answer: C

  • A. Wrong: Wrong. Review and update it.
  • B. Wrong: Wrong. Review the assessment for the system.
  • C. Right: Right. HSE says review the risk assessment if there are significant changes, such as the system being extended.
  • D. Wrong: Wrong. Review it after significant changes.

Explanation

Review the legionella risk assessment after significant changes.

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