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9.23.6.2.(1)
ApplicationIntent
OS2OP2OH1OH4OS3
ObjectiveOH1 Indoor Conditions
Attribution
[F22-OH1.1,OH1.2,OH1.3] Applies to elements that support or are part of an environmental separator.
Application
Application 1: 
Anchorage of exterior columns and posts, 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 Sentences 9.23.6.2.(2) and 9.23.6.2.(3), which apply to columns or posts supporting balconies, decks, verandas or other exterior platforms where the distance from finished ground to the underside of the joists is not more than 600 mm.
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Intent
Intent 1: 
To limit the probability of an inability to resist expected wind and lateral loads, which could lead to columns or posts lifting or sliding off foundations.
For construction that supports environmental separators, this is to limit the probability of the displacement or failure of required environmental separation elements, which could lead to:
  • condensation,
  • precipitation ingress,
  • excessive heat transfer,
  • pollutant ingress, or
  • compromised thermal performance of components intended to resist heat transfer.
This is to limit the probability of:
  • an inadequate control of temperatures of interior spaces, drafts, relative humidity or water accumulation,
  • the generation of pollutants from biological growth or from materials that become unstable on wetting, or
  • deterioration, which could lead to further compromised integrity of environmental separators.
This is to limit the probability of:
  • negative effects on the air quality of indoor spaces,
  • the inadequate thermal comfort of persons, and
  • contact with moisture.
This is to limit the probability of harm to persons.
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