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5.2.1.3.(3)
++OH1OS1OS2
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Wind load calculations for cladding components and assemblies 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 the incorrect calculation of wind loads, which could lead to the inadequate performance or premature failure of components and assemblies of environmental separators under expected wind loads, which could lead to:
  • condensation, or
  • precipitation ingress.
This is to limit the probability of deterioration, which could lead to compromised structural integrity of the separators or of elements supported by the separators, which could lead to structural failure, which could lead to harm to persons.
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