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3.2.2.6.(1)
ApplicationIntent
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
[F02,F03,F04-OS1.2,OS1.3]
Application
Application 1: 
Fire separation, fire-resistance rating, type of construction and sprinkler requirements for buildings that contain more than one major occupancy.
This applies to buildings to which Part 3 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 3].
Exceptions: 
except:
  • as exempted in Sentence 3.2.2.8.(1), which applies when:
    • the aggregate area of all major occupancies in a particular Group or Division does not exceed 10% of the floor area on the storey on which they are located, and
    • buildings are not classified as a Group F, Division 1 or Division 2 occupancies,
  • as exempted in Article 3.2.2.7., which applies to superimposed major occupancies, and
  • as required by Article 3.2.2.18. for a storey below a storey that is required to be sprinklered.
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Intent
Intent 1: 
To limit the probability that inadequate fire safety features will contribute to the spread of fire or collapse, which could lead to the failure of the integrity of a fire separation or structural element, which could lead to the spread of fire and smoke or collapse, which could lead to harm to persons.
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