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3.1.10.1.(4)
OS1OP1OP3
ObjectiveOP3 Protection of Adjacent Buildings from Fire
Attribution
Application
Application 1: 
Piping, ducts and totally enclosed noncombustible raceways that are attached to or pass through a firewall.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A, and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] as stated in Sentence 9.10.11.3.(1).
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Intent
Intent 1: 
To limit the probability that the collapse of building service components associated with a firewall will lead to the collapse of the firewall, which could lead to the spread of fire from the building to an adjacent building, which could lead to damage to the adjacent building.
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