Sentence 9.14.4.3.(1)

  1. OH1
  2. OS2
  3. OP2

Objective

OH1 Indoor Conditions

Attribution

Intent

Intent 1:

To limit the probability of:

  • an inadequate flow of drainage, which could lead to water ponding under footings or floors-on-ground, or
  • an inadequate disposal of drain water.

This is to limit the probability of excessive moisture loading on foundation walls and basement floors, which could lead to:

  • the ingress of moisture from the ground, or
  • compromised thermal performance of components intended to provide resistance to heat transfer.

This is to limit the probability of:

  • an inadequate control of the temperature 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
  • deterioration, which could lead to compromised integrity of elements protected by the environmental separators.

This is to limit the probability of negative effects on the air quality of indoor spaces, which could lead to harm to persons.

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