ARCHIVED - 3.3.1.6.(1)

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3.3.1.6.(1)

Application

Intent

OS1


Objective	OS1 Fire Safety
Attribution	[F10-OS1.5]
Application	Application 1: Maximum travel distance within a room or suite to the nearest egress doorway, where more than one egress doorway is required from the room or suite referred to in Article 3.3.1.5., in buildings described in Sentence 1.3.3.2.(1) of Division A. This applies to a room or suite: used for a high hazard industrial occupancy and whose area is more than 15 m², intended for an occupant load of more than 60, in a floor area that is not sprinklered throughout, and: the area of a room or suite is more than the value in Table 3.3.1.5.A., or the travel distance within the room or suite to the nearest egress doorway is more than the value in Table 3.3.1.5.A., or in a floor area that is sprinklered throughout and does not contain a high hazard industrial occupancy, and: the travel distance to an egress doorway is more than 25 m, or the area of the room or suite is more than the value in Table 3.3.1.5.B. Application 2: This also applies to: podiums, terraces, platforms and contained open spaces, as stated in Sentence 3.3.1.3.(2), and tents and air-supported structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1). Exceptions: except: for dwelling units, as stated in Sentence 3.1.6.2.(1), which prohibits air-supported structures from being located above the first storey on any building, as stated in Sentence 3.1.6.2.(2), which prohibits air-supported structures from being used for classrooms or for Groups B, C, or Group F, Division 1 major occupancies, and as stated in 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.
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Intent	Intent 1: To limit the probability that delays will occur in reaching a doorway when a fire originates in the room or suite, which could lead to harm to persons. Intent 2: To expand the application of travel distances for exits stated in Clauses 3.4.2.5.(1)(a), (b), (c) and (f) so they apply to travel distances to egress doorways as well.
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