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9.23.11.4.(4)
OS2OP2OH1OH4OS1OS3
ObjectiveOS2 Structural Safety
Attribution
[F20,F22-OS2.3] Applies to elements that support or are part of an environmental separator.
Application
Application 1: 
Minimum dimensions, material, and fastening of ties for top wall plates that are not lapped at corners and intersections and of ties for joints in single plates, in loadbearing wood-frame walls 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 inadequate continuity of joints in single top plates, which could lead to an inability to resist expected lateral loads, which could lead to the excessive deflection or failure of wall plates.
This is to limit the probability of compromised structural integrity, which could lead to:
  • the 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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