9.15.2.3.(1)

Objective

OH1 Indoor Conditions

Attribution

[F20,F22-OH1.1,OH1.2,OH1.3]Applies to elements that support or are part of an environmental separator.

Intent

Intent 1:

To limit the probability of the inadequate design of piers, which could lead to an inability to resist vertical building loads or lateral loads.

Where elements support or are part of an environmental separator, this is to limit the probability of damage to the superstructure, which could lead to:

  • condensation,
  • rainwater ingress, or
  • compromised thermal performance of components intended to provide resistance to heat transfer.

This is to limit the probability of:

  • an inadequate control of temperatures of interior spaces, relative humidity, or water ingress and accumulation,
  • the generation of pollutants from biological growth or from materials that become unstable on wetting, or
  • compromised integrity of the environmental separator, which could lead to the deterioration of building elements.

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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