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9.23.13.7.(6)
ApplicationIntent
OP2OH1OS2OH4OS1OS3
ObjectiveOH4 Vibration and Deflection Limitation
Attribution
[F22-OH4]
Application
Application 1: 
Blocking for floor joists supporting dwarf walls that support lumber rafters and enclose finished rooms, 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:
  • inadequate load distribution among floor joists,
  • inadequate backing for insulation, or
  • inadequate support for air barrier systems.
This is to limit the probability of an inability to resist expected gravity loads.
For floors and constructions supporting floors, this is to limit the probability of:
  • compromised structural integrity, or
  • for exterior floors or environmental separators supporting a floor, 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 excessive movement, vibration or deflection of floors, which could lead to negative effects on the psychological well-being of persons.
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