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9.9.4.7.(1) | Application | Intent |
OS1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Stairways that serve the second storey of suites of Group D or E occupancy that
are located partly on the first storey and partly
on the second storey, where:
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).
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Intent | Intent 1: To supersede the requirements stated in Sentence 9.9.4.2.(1),
which would otherwise require the stairway to be separated from floor areas,
and in Sentence 9.10.1.2.(6), which would otherwise require an unenclosed
stairway to conform to Subsection 3.2.8. for the protection of
openings through floor assemblies, if certain conditions are met.
This is to limit the probability of delays in the evacuation or
movement of persons to a safe place, which could lead to harm to persons.
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