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3.2.3.20.(2) | Application | Intent |
OP3 |
Objective | OP3 Protection of Adjacent Buildings from Fire |
Attribution | |
Application | Application 1: This applies
to buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: This also applies to buildings to
which Part 9 applies, as stated in Sentence 9.10.1.2.(1).
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Intent | Intent 1: To supersede the requirements of Sentence 3.2.3.19.(1) and
require an increased minimum fire-resistance rating of 1 h [as
opposed to 45 min] for the separation of buildings connected
by underground walkways, on the basis that underground walkways pose greater
difficulties to emergency responders [e.g. result in delays and ineffectiveness
in fire suppression operations]. This increased minimum fire-resistance rating
is to limit the probability of the spread of fire from one building to the
adjacent building connected by means of the walkway, which could lead to damage
to the connected building. |
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