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3.2.3.2.(2)
OP3
ObjectiveOP3 Protection of Adjacent Buildings from Fire
Attribution
Application
Application 1: 
Calculating the area of an exposing building face, where the building is divided into fire compartments by fire separations having a fire-resistance rating of not less than 45 min.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
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Intent
Intent 1: 
To supersede the requirements of Sentence 3.2.3.2.(1) and state a different [less onerous] method for calculating the area of an exposing building face, if certain conditions are met, on the basis that the conditions provide an equivalent level of protection.
This [the conditions] is to limit the probability that an entire exposing building face will be involved in a fire, which could lead to the spread of fire from the subject building to an adjacent building, which could lead to damage to the adjacent building.
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