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3.2.1.2.(3)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Minimum fire-resistance rating of floor or roof assembly projections referred to in Clause 3.2.1.2.(2)(b), in basements used primarily as storage garages, where the exterior wall of the basement is permitted to be penetrated by openings that are not protected by closures.
This applies to basements permitted to be considered as a separate building in Sentence 3.2.1.2.(1), in buildings described in Sentence 1.3.3.2.(1) of Division A.
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Intent
Intent 1: 
To limit the probability of the spread of fire from the garage to the upper portion of the building during the time required to achieve occupant safety and for emergency responders to perform their duties, which could lead to harm to persons in the upper portions of the building, including emergency responders.
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