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3.4.4.4.(4)
OS1OP1OS3
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Installation of fuel-fired appliances in exits.
This applies to 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).
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Intent
Intent 1: 
To limit the probability that a fire involving the appliance will lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.
Intent 2: 
To limit the probability that a fire involving the appliance will lead to emergency responders being delayed in gaining access to floor areas, which could lead to delays or ineffectiveness in fire emergency response operations, which could lead to:
  • delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons, including emergency responders, and
  • the spread of fire to other parts of the building, which could lead to harm to persons.
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