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3.1.8.15.(1)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Maximum temperature rise on the opaque portion of the unexposed side of a door used as a closure in a fire separation in a location shown in Table 3.1.8.15., when tested in conformance with Sentence 3.1.8.4.(1), in buildings described in Sentence 1.3.3.2.(1) of Division A.
Exceptions: 
except as stated in Article 3.1.8.17., which applies to exits.
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Intent
Intent 1: 
To limit the probability that temperatures on the unexposed side of a door in a fire separation will become excessively hot during a fire, which could lead to the ignition of material near the door, which could lead to the spread of fire, which could lead to harm to persons on the other side of the fire separation.
Intent 2: 
To limit the probability that temperatures on the unexposed side of a door in a fire separation will become excessively hot during a fire, which could lead to the reluctance of persons to pass near the door, which could lead to delays in evacuation, which could lead to harm to persons.
Intent 3: 
To limit the probability that temperatures on the unexposed side of a door in a fire separation will become excessively hot during a fire, which could lead to harm to persons who touch the door.
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