Sentence 9.8.2.2.(4)

  1. OS3

Objective

OS3 Safety in Use

Attribution

Intent

Intent 1:

To limit the probability of insufficient clear height over stairs where such stairs are provided under beams or ducting in secondary suites.

This is to limit the probability of:

  • persons accidentally contacting the ceiling with their head, or
  • persons accidentally contacting the ceiling with their head in an emergency, which could lead to persons falling, which could lead to delays in the evacuation or movement of persons to a safe place.

This is to limit the probability of harm to persons.

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