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3.4.5.1.(1)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Location of exit signs in regards to exit doors, where the exit serves:
This applies to exit doors of exits serving floor areas that are intended for occupancy, including mezzanines as stated in Sentence 3.4.2.2.(1), in buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: 
This also applies to tents and air-supported structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1).
Exceptions: 
except as stated in:
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Intent
Intent 1: 
To limit the probability that exit locations will not be readily identified, which could lead to delays in the evacuation or movement of persons to a safe place in an emergency situation, which could lead to harm to persons.
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