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3.3.3.5.(12)
ApplicationIntent
OS1
ObjectiveOS1 Fire Safety
Attribution
[F03,F05-OS1.2] [F06-OS1.5]
Application
Application 1: 
Grilles, louvres or other openings in fire separations required by Sentence 3.3.3.5.(9) that separate patients' sleeping rooms from the remainder of the floor area, in hospitals or nursing homes.
This applies to care or detention occupancy 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:
  • Sentence 3.1.6.2.(1), which prohibits air-supported structures to be located above the first storey on any building,
  • Sentence 3.1.6.2.(2), which prohibits air-supported structures to be used for classrooms or for Groups B, C, or Group F, Division 1 major occupancies,
  • Sentence 3.1.6.2.(3), which requires air-supported structures to be designed as open floor spaces without interior walls, mezzanines, intermediate floors or similar construction, and
  • Sentence 3.3.3.5.(13), which applies to doors or walls separating a patient's sleeping room from an ensuite toilet room, shower room or similar ancillary space.
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Intent
Intent 1: 
To limit the probability that smoke will spread through grilles, louvres or other openings in the fire separations into the corridor, which could lead to patients and emergency responders being exposed to hazardous conditions, which could lead to harm to persons, including emergency responders.
Intent 2: 
To limit the probability that smoke will spread through grilles, louvres or other openings in the fire separations into the corridor, which could lead to emergency responders being exposed to hazardous conditions, which could lead to fire emergency response operations being delayed or ineffective, 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.
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