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9.13.3.3.(1)
ApplicationIntent
OH1OS2
ObjectiveOS2 Structural Safety
Attribution
[F61-OS2.3]
Application
Application 1: 
Method of application of bituminous materials that are installed to provide waterproofing for:
  • floors-on-ground that are subject to hydrostatic pressure,
  • walls below ground level that are subject to hydrostatic pressure, where the finished ground level outside is higher than the ground level inside, and
  • roofs of underground structures.
This applies to 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 that the performance of installed bituminous materials will fall significantly below expectations, which could lead to the ingress of moisture from the ground, which could lead to deterioration, which could lead to compromised structural integrity of elements protected by environmental separators, which could lead to harm to persons.
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