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3.1.13.7.(4)
ApplicationIntent
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Application
Application 1: 
Doors serving an exit stairway, a vestibule to an exit stairway, a lobby described in Sentence 3.4.4.2.(2), or a corridor not within a suite, where:
  • the door has a flame-spread rating not more than 200,
  • the door has a smoke developed classification not more than 300, and
  • the aggregate area of all doors is not more than 10% of the area of the wall in which they are located.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A that are regulated by the provisions of Subsection 3.2.6.
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Intent
Intent 1: 
To exempt doors in certain locations in high buildings from the application of Sentence 3.1.13.7.(1) and Article 3.1.13.2., which would otherwise require lower flame-spread ratings and smoke development classifications, if certain conditions are met, on the basis that these doors will not significantly contribute to smoke development or flame spread.
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