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9.16.4.3.(1)
ApplicationIntent
OS2OS3OP2OH1OH4
ObjectiveOP2 Structural Sufficiency of the Building
Attribution
[F20-OP2.1,OP2.3]
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 is to limit the probability of compromised structural integrity, which could lead to:
  • structural failure,
  • where concrete slabs serve as an environmental separator, the displacement or failure of required environmental separation elements, which could lead to the deterioration of building elements, or
  • an inability to resist expected loads, which could lead to
    • the excessive deformation or deflection of walls, and
    • the excessive deflection or vibration of floors.
This is to limit the probability of:
  • the space being unsuitable for its intended use, or
  • damage to the building.
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