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3.2.3.20.(3)
OP3OP2
ObjectiveOP3 Protection of Adjacent Buildings from Fire
Attribution
[F02-OP3.1] Applies to portion of Code text: “An underground walkway shall be of noncombustible construction …”
Application
Application 1: 
Combustibility of construction of underground walkways [connected to buildings].
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 material used to construct underground walkways will contribute to the growth and spread of fire, which could lead to 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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