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4.1.8.4.(2)
OS2OP2
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Site classification for seismic response, for buildings subject to seismic ground motions.
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.
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Intent
Intent 1: 
To limit the probability that the classification of site conditions will not be based on a property that reflects the effect of shaking ground on the structure, which could lead to structural failure, which could lead to harm to persons.
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