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5.1.4.1.(5)
ApplicationIntent
OH1OS2OH4
ObjectiveOS2 Structural Safety
Attribution
(a) [F20-OS2.1,OS2.3]
(b) and (c) [F21,F22-OS2.3]
Application
Application 1: 
Structural performance of building materials, components, assemblies and their interfaces described in Sentence 5.1.2.1.(1) that are installed in buildings to which Part 5 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 5].
Application 2: 
This also applies to cladding assemblies installed on buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] where:
  • the cladding assembly is not addressed in Section 9.27., or
  • the cladding assembly does not comply with the prescriptive requirements of Section 9.27.
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Intent
Intent 1: 
To limit the probability of:
  • insufficient strength,
  • insufficient rigidity, or
  • excessive movement and dimensional instability.
This is to limit the probability of an inadequate resistance to expected structural loads, which could lead to excessive deflection, movement or failure of required environmental separation elements, which could lead to:
  • structural failure, or
  • damage to or deterioration of such elements.
This is to limit the probability of harm to persons.
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