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3.5.3.3.(1) | Application | Intent |
| OS1 | OP1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Minimum fire-resistance rating of fire separations that separate rooms containing elevator
machinery from other parts of the building, in buildings described in Sentence 1.3.3.2.(1) of Division A.
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], as stated in Sentence 9.10.1.2.(1).
Exceptions:
except as exempted in Sentence 3.5.3.3.(2), which applies
when the room and the hoistway are separated from other parts of the building.
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| Intent | Intent 1: To limit the probability that fire will spread from rooms
containing elevator machinery to other parts of the building, which could
lead to harm to persons in the other parts of the building. Intent 2: To limit the probability that fire will spread from other
parts of the building into a room containing elevator machinery, which could
lead to the failure of the elevator machinery, which could lead to harm to
persons in elevator cars. |
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