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3.1.8.16.(1)
ApplicationIntent
OS1OS3
ObjectiveOS1 Fire Safety
Attribution
[F05-OS1.5] [F31-OS1.2]
Application
Application 1: 
Maximum area of wired glass in a door used in the locations shown in Table 3.1.8.15., 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 of excessive glazing in doors, which could lead to temperatures in the area near the unexposed side of the door becoming excessively hot during a fire due to radiation exposure, 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 2: 
To limit the probability of excessive glazing in doors, which could lead to temperatures in the area near the unexposed side of the door becoming excessively hot during a fire, which could lead to an unacceptable radiation exposure, which could lead to harm to persons.
Intent 3: 
To exempt wired glass and glass blocks from the application of Sentence 3.1.8.14.(1), which would otherwise permit their use in exits without any area or temperature limitations, on the basis that the temperature and area limitations imposed will minimize radiation effects and not negatively affect persons when evacuating.
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