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3.1.3.1.(1)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Minimum fire-resistance rating of separations of major occupancies from adjoining major occupancies in buildings described in Sentence 1.3.3.2.(1) of Division A, except as provided in Sentences 3.1.3.1.(2) and (3).
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Intent
Intent 1: 
To limit the probability that a fire will spread from one major occupancy to an adjacent major occupancy having a different degree of fire risk, which could lead to harm to persons.
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