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3.6.2.1.(7)
ApplicationIntent
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
[F03-OS1.2,OS1.4]
Application
Application 1: 
Minimum fire-resistance rating of fire separations separating service rooms from the remainder of the building, where the service room is located in a storey that is not sprinklered throughout.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
Exceptions: 
except as exempted in:
  • Sentence 3.6.2.1.(1), which applies to service rooms that contain fuel-fired appliances,
  • Sentence 3.6.2.1.(3), which applies to service rooms that contain solid-fuel-fired appliances,
  • Sentence 3.6.2.1.(4), which applies to service rooms that contain incinerators,
  • Sentence 3.6.2.1.(5), which applies to service rooms intended to contain equipment that uses a liquid having a flash point below 93.3°C,
  • Sentence 3.6.2.1.(6), which applies to 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,”
  • Sentence 3.6.2.1.(8), which applies when the service room contains a limited quantity of service equipment and the service equipment does not constitute a fire hazard,
  • Article 3.6.2.5., which applies to rooms for the storage of combustible refuse, and
  • Article 3.6.2.7., which applies to electrical equipment vaults required by provincial, territorial, or municipal regulations, or CSA C22.1, “Canadian Electrical Code, Part I,” in the absence of such regulations.
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Intent
Intent 1: 
To limit the probability that fire will spread from a service room that is in a storey not sprinklered throughout and that contains equipment not otherwise covered by Sentences 3.6.2.1.(1) to (6) 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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