3.1.3.1.(3)

Objective

OS1 Fire Safety

Attribution

Intent

Intent 1:

To exclude from the fire separation requirements of Sentence 3.1.3.1.(1), the plane surrounding an open space between storeys if certain design conditions are met and measures are taken [as described in Articles 3.2.8.2. to 3.2.8.9.] to:

  • provide adequate evacuation times,
  • control fuel load and fire spread, and
  • provide tenable conditions along exit routes and during evacuation and emergency response operations.

This is to limit the probability of harm to persons during a building fire.

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