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3.7.1.1.(1)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Height of rooms and spaces, in buildings described in Sentence 1.3.3.2.(1) of Division A.
Exceptions: 
except as exempted in Sentence 3.7.1.1.(2), which applies to dwelling units.
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Intent
Intent 1: 
To limit the probability of contact or collision with items at the ceiling level, which could lead to harm to persons.
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