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9.13.2.1.(2)
ApplicationIntent
OH1OS2
ObjectiveOS2 Structural Safety
Attribution
[F61-OS2.3]
Application
Application 1: 
Dampproofing of floors-on-ground, in buildings 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 9.13.2.1.(3), which applies to
    • floors in garages,
    • floors in unenclosed portions of buildings, and
    • floors installed over not less than 100 mm of coarse clean granular fill in conformance with Article 9.16.2.1., and
  • Sentence 9.13.3.1.(1), which applies to walls and floors that are subject to hydrostatic pressure.
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Intent
Intent 1: 
To limit the probability of an inadequate resistance to moisture transfer from the ground, which could lead to the ingress of moisture from the ground, which could lead to deterioration, which could lead to compromised structural integrity of floors or of elements protected by floors, which could lead to harm to persons.
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