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4.1.1.3.(3)
OS2+
ObjectiveOS2 Structural Safety
Attribution
[F20-OS2.1] Applies to structural members where temporary overloading during construction may result in impairment of that or any other member.
Application
Application 1: 
Temporary overloading of permanent and temporary structural members, including formwork and falsework, during the construction of buildings.
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 the loads applied during construction will exceed the specified construction loads, which could exceed the capacities of the structure, including temporary supports, which could lead to structural failure, which could lead to harm to persons.
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