Sentence 3.5.3.2.(1)

  1. OS1
  2. OP1

Objective

OS1 Fire Safety

Attribution

Intent

Intent 1:

To limit the probability that fire in a vertical service space containing a dumbwaiter, or fire in a storey, will spread to another storey by means of the vertical service space, which could lead to harm to persons in the other storey.

Intent 2:

To supersede the fire separation requirements for vertical service spaces stated in Sentence 3.6.3.1.(1).

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