Sentence 9.18.6.2.(1)

  1. OH1
  2. OS2
  3. +

Objective

OH1 Indoor Conditions

Attribution

Intent

Intent 1:

To limit the probability:

  • of an inadequate resistance to air and moisture transfer, or
  • that the performance of polyethylene sheets will fall significantly below expectations.

This is to limit the probability of:

  • the ingress of moisture that is not under hydrostatic pressure from the ground, or
  • the infiltration of soil gas.

This is to limit the probability of:

  • an inadequate control of relative humidity,
  • the generation of pollutants from biological growth or from materials that become unstable on wetting, or
  • deterioration, which could lead to compromised integrity of environmental separators or of elements protected by the separators.

This is to limit the probability of:

  • negative effects on the air quality of indoor spaces, and
  • the inadequate thermal comfort of persons.

This is to limit the probability of harm to persons.

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