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3.1.10.2.(2)
OS1OP1OP3
ObjectiveOP3 Protection of Adjacent Buildings from Fire
Attribution
Application
Application 1: 
Minimum fire-resistance rating of a firewall that separates storeys of a building or buildings within which all floor areas contain other than a Group E or a Group F, Division 1 or 2 major occupancy.
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 a firewall will have insufficient fire-resistance, which could lead to the spread of fire from the building to an adjacent building, which could lead to damage to the adjacent building.
Intent 2: 
To limit the probability that fire will spread from the subject building to an adjacent building during the time needed for emergency responders to carry out their duties, which could lead to damage to the adjacent building.
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