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4.1.8.13.(3)
OS2OP2
ObjectiveOS2 Structural Safety
Attribution
Application
Application 1: 
Limits to the interstorey deflections calculated in accordance with Sentence 4.1.8.13.(2).
Exceptions: 
except as stated in Sentence 4.1.8.1.(1), which applies to areas where the spectral response acceleration amplified for site conditions equals the floor levels found in low seismicity regions with Site Class C (i.e. very dense soil and soft rock).
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 lateral deflection and distortion of the building structure due to maximum expected seismic ground motions will lead to damage to or displacement of attached or adjacent building elements, which could consequently fall or slide, which could lead to harm to persons.
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