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3.3.2.7.(1)
OS3
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Latching release mechanism on doors in an access to exit from a room or suite of assembly occupancy containing an occupant load of more than 100.
This applies to 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), and
  • 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.(2).
Exceptions: 
except as stated in:
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Intent
Intent 1: 
To limit the probability of delays in opening an egress door in an emergency situation, which could lead to delays in the evacuation or movement of a large number of persons to a safe place, which could lead to harm to persons.
Intent 2: 
To expand the application of Sentence 3.8.3.3.(7) to certain doors other than those in a barrier-free path.
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