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3.1.6.2.(1)
OS3OS2
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Location of air-supported structures with respect to building storeys, when such structures are used as buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: 
This also applies when air-supported structures are used as buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], as stated in Sentence 9.10.1.2.(1).
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Intent
Intent 1: 
To limit the probability that collapse of the structure will trap persons within the structure in an emergency, which could lead to excessive delays in evacuation, which could lead to harm to persons.
Intent 2: 
To limit the probability that collapse of the structure will lead to the structure draping down the outside of the building, which could lead to the blocking of exits from the building in an emergency, which could lead to excessive delays in evacuation, which could lead to harm to persons.
Intent 3: 
To limit the probability that collapse of the structure will lead to the structure draping down the outside of the building, which could lead to the blocking of exits from the building in an emergency, which could lead to emergency responders being unable to access the structure in a timely manner, which could lead to ineffective emergency response operations, which could lead to harm to persons.
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