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9.9.4.2.(5)
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Application
Application 1: 
Exterior exit passageways, where the passageways:
  • have not less than 50% of their exterior sides open to the outdoors, and
  • are served by an exit stair at each end.
This applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions: 
except:
  • for exits that serve not more than one dwelling unit, as stated in Sentence 9.9.4.1.(1), and
  • as stated in Sentence 9.9.4.4.(1), which applies to openings near unenclosed exit stairs and ramps.
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Intent
Intent 1: 
To exempt some configurations of exterior exit passageways from the application of Sentence 9.9.4.2.(1), which would otherwise require the passageway to be separated from floor areas, on the basis that it is not expected that smoke will accumulate in the passageway and exits are available at each end of the passageway.
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