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9.23.16.4.(1)
ApplicationIntent
OS2OP2OH1OS1OH4OS3
ObjectiveOS2 Structural Safety
Attribution
[F20-OS2.1,OS2.3,OS2.5] [F22-OS2.3,OS2.5]
Application
Application 1: 
End support for lumber wall sheathing, in wood-frame constructions to which Section 9.23. applies [see Sentence 9.23.1.1.(1) for application of Section 9.23.].
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Intent
Intent 1: 
To limit the probability of an inability to resist expected lateral loads, which could lead to differential movement of sheathing board ends, which could lead to damage to cladding and the sheathing membrane, which could lead to:
  • an inadequate fastening base for cladding,
  • inadequate support for required cladding and elements of an environmental separator, or
  • an inability to resist expected lateral or gravity loads, where sheathing provides the required resistance to racking and buckling.
This is to limit the probability of:
  • falling cladding,
  • the deformation or displacement of cladding, or
  • the excessive deflection of the wall.
This is to limit the probability of compromised structural integrity, which could lead to:
  • structural collapse, or
  • the deformation, displacement or failure of required environmental separation elements, which could lead to deterioration, which could lead to further compromised structural integrity of the wall or constructions supported by the wall.
This is to limit the probability of harm to persons.
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