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9.23.11.1.(1)
OS2OP2OH1OS3OH4OS1
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 of wall plates, in wood-frame constructions to which Section 9.23. applies [see Sentence 9.23.1.1.(1) for application of Section 9.23.].
Exceptions: 
except as stated in Sentence 9.23.11.1.(2), which applies to bottom plates:
  • where wall studs are located directly over framing members, or
  • in non-loadbearing walls.
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Intent
Intent 1: 
To limit the probability of an inability to resist expected gravity and lateral loads, which could lead to:
  • the inadequate distribution of vertical loads to and from studs, which could lead to the excessive deflection or failure of wall plates,
  • inadequate diaphragm action of plates, which could lead to the excessive deflection of walls, or
  • inadequate lateral support for the ends of studs.
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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