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3.6.2.7.(4) | Application | Intent |
OS1 | OP1 |
Objective | OP1 Fire Protection of the Building |
Attribution | |
Application | Application 1: Penetration of fire separations [referred
to in Sentence 3.6.2.7.(2)] of electrical equipment vaults, in buildings described in Sentence 1.3.3.2.(1) of Division A.
This applies to electrical equipment vaults [referred to in Sentence 3.6.2.7.(1)] required by:
Application 2: This also applies to transformer vaults in 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). |
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Intent | Intent 1: To supersede the requirements of Subsections 3.1.8., 3.1.9. and 3.2.8., which would otherwise permit openings
in the fire separations of vaults, and limit the openings to only certain
penetrations, on the basis of maintaining the integrity of the separations.
Intent 2: To limit the probability that fire will spread from the
vault to other parts of the building, which could lead to damage to the building.
Intent 3: To limit the probability that a fire originating in a location
outside a vault will spread into the vault, which could lead to the disruption
and discontinuation of service from equipment located in the vault, which
could lead to an undue fire hazard in the building, which could lead to damage
to the building. |
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