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4.2.3.4.(1)
OS2OP2
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Protection against deterioration of plain or reinforced masonry used in foundations or in structures supporting soil or rock. This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A] that are required to be designed to the requirements of Part 4.
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Intent
Intent 1: 
To limit the probability that plain or reinforced masonry exposed to environmental conditions conducive to deterioration will not be protected during the design life of the building, which could lead to premature deterioration, which could lead to structural failure, which could lead to harm to persons.
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