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9.23.3.5.(2)
ApplicationIntent
OS2OP2OH1OH4OS1OS3
ObjectiveOS2 Structural Safety
Attribution
[F20-OS2.1]
[F20,F22-OS2.5]
[F20,F22-OS2.3] Applies to elements that support or are part of an environmental separator.
Application
Application 1: 
Minimum dimensions and orientation of staples used to fasten roof or wall sheathing or subflooring, 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 inadequate diameter, thickness or crown length, or incorrect orientation, of staples, which could lead to inadequate capacity, rigidity or pull-through resistance, which could lead to an inability to resist expected lateral, gravity or wind-uplift loads.
This is to limit the probability of compromised structural integrity, which could lead to:
  • fastened elements detaching from supporting members, which could lead to elements falling from the building,
  • structural collapse of wood-frame construction, or
  • where wood-frame construction supports or is part of an environmental separator, the excessive deformation, displacement or failure of required environmental separation elements, which could lead to deterioration, which could lead to further compromised structural integrity.
This is to limit the probability of harm to persons.
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