ARCHIVED - 3.2.8.1.(1)

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3.2.8.1.(1)


Objective	OS1 Fire Safety
Attribution	[F03,F06-OS1.2] [F05-OS1.5]
Application	Application 1: Vertical fire separation or protection of portions of a floor area or a mezzanine that do not terminate at an exterior wall, a firewall or a vertical shaft, in buildings described in Sentence 1.3.3.2.(1) of Division A. Application 2: This also applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], where there are: openings through floors that are not protected by shafts or closures, as stated in Sentence 9.10.1.2.(6), or interconnected floor spaces, as stated in Sentence 9.10.9.5.(1). Exceptions: except as exempted in: Sentence 3.2.8.1.(3), which applies to floor areas containing sleeping rooms in a building of Group B, Division 2 major occupancy [exception to Clause 3.2.8.1.(1)(b)], Article 3.2.8.2., which applies to certain occupancies and situations, Sentence 3.3.4.2.(3), which applies to dwelling units, and Sentence 9.9.4.7.(1), which applies to buildings: that are not more than 2 storeys in building height, that are not more than 600 m² in building area, and in which a stairway connects the first storey to the second storey of a suite of Group D or Group E occupancy.
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Intent	Intent 1: To limit the probability that fire will spread: from a lower floor level to upper floor levels in a fire situation, or from a floor area into exit stairs in a fire situation. This is to limit the probability of the spread of fire in the upper floor levels or in the exit stairs, which could lead to: delays or ineffectiveness in fire suppression operations, which could lead to the spread of fire, which could lead to harm to persons, and delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons. Intent 2: To state the application of Articles 3.2.8.3. to 3.2.8.9.
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