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3.2.3.20.(1)
OP3
ObjectiveOP3 Protection of Adjacent Buildings from Fire
Attribution
Application
Application 1: 
Design and use for any purpose other than pedestrian travel of underground walkways [connected to buildings].
Exceptions: 
except where:
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 limit the probability that the use of underground walkways will create an undue fire hazard, which could lead to the start or spread of fire to a connected building, which could lead to damage to the connected building.
Intent 2: 
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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