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4.2.7.2.(3)
OS2OP2
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Design of deep foundations.
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 geotechnical and other considerations relating to installation, inspection and configuration of deep foundations will not be taken into account in their design, which could lead to insufficient capacity of foundation units, which could lead to structural failure, which could lead to harm to persons.
Intent 2: 
To direct Code users to other requirements of this Subsection for the design, as well as to Subsections 4.3.1., 4.3.3., and 4.3.4., and to the appropriate structural requirements of Section 4.1.
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