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5.7.1.1.(2)
ApplicationIntent
OH1OS2
ObjectiveOS2 Structural Safety
Attribution
[F61,F80-OS2.3]
Application
Application 1: 
Construction of foundation walls for buildings, with respect to surface water.
This applies to building materials, components, assemblies and their interfaces described in Sentence 5.1.2.1.(1) that are installed in buildings to which Part 5 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 5].
Exceptions: 
except as stated in Sentence 5.7.1.1.(3), which applies to buildings specifically designed to accommodate the accumulation of water at the building or the ingress of water.
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Intent
Intent 1: 
To limit the probability of excessive moisture loading on foundation walls, which could lead to prolonged exposure of building materials to moisture, which could lead to damage to moisture-susceptible building elements, which could lead to structural failure, which could lead to harm to persons.
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