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9.9.8.6.(1)
OS1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Means of egress leading to exits from spaces above mezzanines, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions: 
except as stated in:
  • Sentence 9.9.8.6.(2), which applies to mezzanines that
    • are not required to terminate at vertical fire separations, as permitted by Sentence 9.10.12.1.(2)
    • have an occupant load not more than 60
    • do not exceed the area limits for rooms and suites stated in Table 9.9.7.4., and
    • have limited travel distances to egress doors or stairways, and
  • Sentence 9.9.8.6.(3), which applies to one of the means of egress from a mezzanine that is not required to terminate at a fire separation, as permitted by Sentence 9.10.12.1.(2), and that exceeds the limits stated in Sentence (2).
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Intent
Intent 1: 
To limit the probability that egress routes from a mezzanine will become untenable in a fire situation during the time involved in reaching the exits accessible at mezzanine level, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.
Intent 2: 
To clarify that mezzanines are to be provided with exits on the same basis as required for floor areas.
Intent 3: 
To expand the application of Subsection 9.9.8. to mezzanines that are not included in the definition of floor area.
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