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2.6.1.4.(3)
ApplicationIntent
OP1OS1OS3OS3
ObjectiveOP1 Fire Protection of the Building or Facility
Attribution
[F82-OP1.2,OP1.1]
Application
Application 1: 
Replacement or repair of chimneys, flues and flue pipes with:
  • any structural deficiency or decay, and
  • abandoned or unused openings which are not effectively sealed in a manner that would prevent the passage of fire or smoke.
This applies to buildings.
Application 2: 
This also applies to vents for quench tanks, as stated in Sentence 5.4.6.2.(1).
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Intent
Intent 1: 
To limit the probability that defects or openings in chimneys, flues or flue pipes will lead to:
  • heat from normal operation or from a fire in the chimneys, flues and flue pipes igniting nearby combustible materials, which could lead to a fire or the spread of fire, or
  • failure, which could lead to the spread of fire or smoke from chimneys, flues or flue pipes to other parts of the building.
This is to limit the probability of damage to the building.
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