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4.2.2.4.(2)
ApplicationIntent
OS2OP2OP4
ObjectiveOS2 Structural Safety
Attribution
[F20-OS2.2,OS2.6] [F21-OS2.6]
Application
Application 1: 
Reassessment of the design where, during construction, climatic or any other conditions have changed the properties of the soil, rock or groundwater.
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 changed properties of the soil, rock or groundwater below the building due to climatic or other conditions, will not be taken into account in the design and construction of the excavation and foundation system, which could lead to structural failure, including the collapse of the excavation, which could lead to harm to persons.
Intent 2: 
To facilitate, through qualification of persons skilled in the interpretation of the properties found for the design, the determination of compliance with this requirement.
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