(1)
Except as otherwise required by this Part or as permitted by Sentence (4), a public corridor shall be separated from the remainder of the storey by a fire separation.
(2)
Except as permitted by Sentence (3) and Clauses (4)(a) and (b), the fire separation between a public corridor and the remainder of the storey shall have a fire-resistance rating not less than 45 min.
(3)
If a storey is sprinklered throughout, no fire-resistance rating is required for a fire separation between a public corridor and the remainder of the storey, provided the corridor does not serve a care, care and treatment, detention or residential occupancy. (See Note A-3.1.8.1.(1)(b))
(4)
No fire separation is required in a sprinklered floor area between a public corridor and
(a)
except as required by Sentences 3.3.3.5.(9) and 3.3.4.2.(1) and notwithstanding Sentence 3.4.2.4.(2), the remainder of a storey, provided the travel distance from any part of the floor area to an exit is not more than 45 m.,
(b)
a room or suite, provided the public corridor complies with Sentence 3.3.1.9.(4) and Clause 3.4.2.5.(1)(d), or
(c)
a space containing plumbing fixtures required by Subsection 3.7.4. provided the space and the public corridor are separated from the remainder of the storey by a fire separation having a fire-resistance rating not less than that required between the public corridor and the remainder of the storey.