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4.9.4.1.(1)
ApplicationIntent
OS1OH5OP1OH5OS1
ObjectiveOP1 Fire Protection of the Building or Facility
Attribution
(b) [F44-OP1.1]
Application
Application 1: 
Spill control measures to minimize the quantity of liquid escaping in the event of accidental release from [indoor and outdoor] processing equipment involving flammable liquids or combustible liquids.
This applies to process plants, including refineries, which contain industrial processes involving flammable liquids or combustible liquids.
Exceptions: 
except as stated in:
  • Sentence 4.9.1.1.(2), which applies to distilleries [which are required to conform to Section 4.10.], and
  • Sentences 4.1.1.1.(2) and (3), which apply to unique hazards at process plants, in transportation, for oil burning equipment, on farms and isolated construction projects, and the storage of aerosol products.
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Intent
Intent 1: 
To limit the probability that an accidental escape of liquid will not be minimized, which could lead to the spread of liquid, which could lead to the accumulation of vapour in sufficient quantity to form an ignitable mixture, which could lead to the ignition of the vapour from a nearby ignition source, which could lead to a fire or explosion, which could lead to damage to the building or facility.
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