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9.16.4.3.(1)
ApplicationIntent
OS2OS3OP2OH1OH4
ObjectiveOH1 Indoor Conditions
Attribution
[F20-OH1.1,OH1.2,OH1.3]
Application
Application 1: 
Minimum thickness of cast-in-place concrete floor slabs supported on ground or on granular fill which do not provide structural support for the superstructure, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent
Intent 1: 
To limit the probability of an inadequate resistance to lateral soil loads, which could lead to damage to floors or foundation walls.
This to limit the probability of:
  • condensation,
  • precipitation ingress,
  • the ingress of moisture from the ground, or
  • the compromised thermal performance of components intended to provide resistance to heat transfer.
This is to limit the probability of:
  • an inadequate control of temperatures in interior spaces, relative humidity, or water accumulation,
  • the generation of pollutants from biological growth or from materials that become unstable on wetting,
  • deterioration, which could lead to compromised integrity of elements protected by floors-on-ground.
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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