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4.1.4.1.(6)
OS2
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Counteracting dead load due to soil, superimposed earth, plants and trees used in the structural design of buildings.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.
Exceptions: 
except for structures where the dead load of soil is part of the load-resisting system.
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Intent
Intent 1: 
To limit the probability that counteracting loads due to soil, superimposed earth, plants and trees, which could be removed in the future, will be included in the design calculations, which could lead to structural failure, which could lead to harm to persons.
Intent 2: 
To exempt from the application of this requirement counteracting dead load due to soil for structures that traditionally employ the dead load of soil to resist loadings.
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