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3.3.1.4.(2)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Minimum fire-resistance rating of fire separations between public corridors and the remainder of the storey, in buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: 
This also applies to tents and air-supported structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1).
Exceptions: 
except:
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Intent
Intent 1: 
To limit the probability that fire will spread into a public corridor, or from a 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.
Intent 2: 
To limit the probability that fire will spread into a public corridor, which could lead to 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, or
  • the spread of fire to other parts of the building, which could lead to harm to persons.
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