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9.35.3.2.(2)
OS2OH1OP2OH4OS3
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Construction joints for carports or garages attached to dwelling units directly or by a breezeway, serving not more than one dwelling unit, for buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], where both the main building and the garage or carport are supported by slab-on-ground construction.
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Intent
Intent 1: 
To limit the probability that frost-related soil movement beneath the adjacent slabs-on-ground will be transmitted, which could lead to excessive stresses, which could lead to the cracking of slabs-on-ground supporting attached buildings, which could lead to an inability to support vertical building loads.
This is to limit the probability of:
  • structural failure, or
  • compromised structural integrity of elements supported by the slab, which could lead to the failure of 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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