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3.4.2.2.(2)
ApplicationIntent
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Application
Application 1: 
Means of egress serving mezzanines that are intended for occupancies, in buildings described in Sentence 1.3.3.2.(1) of Division A, where:
  • Sentence 3.2.8.1.(1) does not require the mezzanine to terminate at a vertical fire separation,
  • the occupant load of the mezzanine is not more than 60,
  • the area of the mezzanine does not exceed the area limits stated in Table 3.4.2.2., and
  • the distance limits stated in Table 3.4.2.2. are not exceeded from any point on the mezzanine to:
    • an egress door serving the space that the mezzanine overlooks, if the space is served by a single egress door, or
    • the egress stairway leading to an access to exit in the space below, if that space is required to be served by two or more egress doorways in conformance with Sentence 3.3.1.5.(1).
Application 2: 
This also applies to tents and air-supported structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1).
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Intent
Intent 1: 
To exempt means of egress serving mezzanines from the application of Sentence 3.4.2.2.(1), which would otherwise require exits on the same basis as required for floor areas, on the basis that the mezzanines will be relatively small and will have a limited occupant load and travel distance, allowing the occupants to safely evacuate through the main floor level of the storey containing the mezzanine.
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