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3.3.1.25.(1)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Minimum fire-resistance rating of fire separations between a room used for welding and cutting operations and the remainder of the building.
Application 2: 
Automatic fire extinguishing systems in rooms used for welding and cutting operations.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 3: 
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 as stated in:
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Intent
Intent 1: 
To limit the probability that fire will spread from a room used for welding and cutting operations to other parts of the building, which could lead to harm to persons in the other parts of the building.
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