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3.1.8.11.(1)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Self-closing devices for doors in fire separations.
Exceptions: 
except:
  • for doors to freight elevators or dumbwaiters,
  • for doors equipped with hold-open devices as stated in Sentence 3.1.8.12.(1), or
  • as exempted in Sentence 3.1.8.11.(2), which waives such devices in certain situations.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
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Intent
Intent 1: 
To limit the probability that a door will be left open during a fire, which could lead to the spread of fire from one fire compartment to another fire compartment, which could lead to harm to persons in the other fire compartment.
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