ARCHIVED - 3.2.6.9.(1)

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3.2.6.9.(1)


Objective	OS1 Fire Safety
Attribution	[F06-OS1.2,OS1.5]
Application	Application 1: Protection of electrical conductors that: are installed in service spaces containing other combustible material, and are used in connection with fire alarm systems and emergency equipment described in Articles 3.2.6.2. to 3.2.6.8. This applies to high buildings, as defined in Sentence 3.2.6.1.(1): of Group A, D, E or F major occupancy classification that are more than: 36 m high, measured between grade and the floor level of the top storey, or 18 m high, measured between grade and the floor level of the top storey, and in which the cumulative or total occupant load on or above any storey above grade, other than the first storey, divided by 1.8 times the width in metres of all exit stairs at that storey, exceeds 300, containing a Group B major occupancy in which the floor level of the highest storey of that major occupancy is more than 18 m above grade, containing a floor area or part of a floor area located above the third storey designed or intended as a Group B, Division 2 occupancy, and containing a Group C major occupancy whose floor level is more than 18 m above grade.
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Intent	Intent 1: To limit the probability that electrical conductors will prematurely fail when exposed to fire, which could lead to fire alarm systems and emergency equipment not properly operating in the fire situation, which could lead to: fire emergency response operations being delayed or ineffective, which could lead to: delays in evacuation or moving to a safe place, which could lead to harm to persons, and the spread of fire to other parts of the building, which could lead to harm to persons, persons not being promptly notified of the fire situation, which could lead to delays in evacuation or moving to a safe place, which could lead to harm to persons, and the buildup of smoke in exit stairs or floor areas, which could lead to: delays or inefficiencies in fire suppression operations, which could lead to the spread of fire, which could lead to harm to persons, including emergency responders, and delays in evacuation or moving to a safe place, which could lead to harm to persons.
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