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3.2.4.4.(3)
OS1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Operation of zone coded 2 stage fire alarm systems [that have multiple zones], as stated in Article 3.2.4.3.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A in which fire alarm systems are installed.
Application 2: 
This also applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] in which fire alarm systems are installed, as stated in Sentence 9.10.18.6.(1).
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Intent
Intent 1: 
To clarify that the operation of 2 stage fire alarm systems referred to in Sentence 3.2.4.4.(2) may be zone coded under certain conditions.
Intent 2: 
To limit the probability that a person in charge of fire safety and emergency response will be unable to ascertain the location of actuation of an alert signal without the need to respond to an annunciation panel and without delay, which could lead to directing evacuation of persons into a hazardous area, which could lead to harm to persons.
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