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9.15.3.2.(1)
ApplicationIntent
OS2OP2OH1OH4OS3
ObjectiveOS2 Structural Safety
Attribution
[F21-OS2.4]
[F21-OS2.3] Applies to elements that support or are part of an environmental separator.
Application
Application 1: 
Base for concrete footings for foundations that are installed on soils having an allowable bearing pressure of 75 kPa or greater, for buildings of wood-frame or masonry construction to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions: 
except as stated in Sentence 9.15.1.2.(1), which applies to buildings that are erected on permafrost.
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Intent
Intent 1: 
To limit the probability that foundations will settle under expected building loads, which could lead to foundations cracking, which could lead to damage to the foundation or the superstructure.
This is to limit the probability of compromised structural integrity of elements supported by foundations, which could lead to:
  • an inability to support vertical building loads, or
  • where elements support or are part of an environmental separator, the displacement or failure of required environmental separation elements, which could lead to the deterioration of building elements.
This is to limit the probability of harm to persons.
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