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9.10.12.1.(2)
ApplicationIntent
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Application
Application 1: 
Termination of mezzanines at vertical fire separations, where the mezzanines are not required to be considered as storeys according to:
  • Sentence 9.10.4.1.(1), which applies where the aggregate area of mezzanine floors does not exceed 10% of the floor area of the storey in which they are located,
  • Sentence 9.10.4.1.(2), which applies where:
    • the mezzanines occupy an aggregate area of less than 40% of the floor area of the storey in which they are located, and
    • the space above the mezzanine floors and the floor below them have no visual obstructions more than 1 070 mm above such floors, and
  • Sentence 9.10.4.2.(1), which applies where more than one level of mezzanine is provided in a storey.
This applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent
Intent 1: 
To exempt certain mezzanines from the requirements of Sentence 9.10.12.1.(1), which would otherwise require mezzanines to terminate at vertical fire separations, on the basis that the mezzanine area is limited in size and sufficiently open to allow occupants to detect a threat to their safety and not be excessively delayed in reaching an exit.
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