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9.24.2.5.(1)
ApplicationIntent
OH1OS2OP2OS1OS3
ObjectiveOS3 Safety in Use
Attribution
[F22,F80-OS3.7] Applies to walls, and elements that support walls, that contain doors or windows required for emergency egress.
Application
Application 1: 
Minimum size and maximum spacing of non-loadbearing steel studs in exterior walls of 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 limit the probability of inadequate strength or rigidity, which could lead to an inability to resist expected lateral and gravity loads.
This is to limit the probability of the excessive movement or deformation of walls, which could lead to:
  • the structural failure of walls, or
  • the excessive deformation, displacement or failure of required environmental separation elements, which could lead to deterioration.
This is to limit the probability of compromised operation of doors or windows required for egress in an emergency, which could lead to harm to persons.
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