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3.6.2.1.(6)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Minimum fire-resistance rating of fire separations separating service rooms that contain electrical equipment that is required to be located in a service room by CSA C22.1, “Canadian Electrical Code, Part I,” from the remainder of the building.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
[Note: CSA C22.1, “Canadian Electrical Code, Part I,” requires service rooms for dielectric liquid-filled electrical equipment containing more than 14 L but not more than 23 L in any one tank, or not more than 69 L in a group of tanks.]
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Intent
Intent 1: 
To limit the probability that fire will spread from a service room containing electrical equipment that is required to be located in a service room by CSA C22.1, “Canadian Electrical Code, Part I,” 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 a fire originating in a location outside a service room will spread into the service room, which could lead to the disruption and discontinuation of service from equipment located in the service room, which could lead to an undue fire hazard in the building, which could lead to harm to persons.
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