3.3.1.4.(3)

Objective

OS1 Fire Safety

Attribution

Intent

Intent 1:

To exempt fire separations in public corridors from the application of Sentence 3.3.1.4.(2), which would otherwise require the fire separation to have a fire-resistance rating, on the basis that the storey is sprinklered throughout and the corridor does not serve certain occupancies.

This is to limit the probability that a fire will not be suppressed or controlled, which could lead to:

  • the spread of fire into the public corridor, or from the public corridor into a suite, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons, and
  • fire emergency response operations being delayed or ineffective, which could lead to:
    • delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons, including emergency responders, and
    • the spread of fire to other parts of the building, which could lead to harm to persons.

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