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4.4.3.6.(2)
ApplicationIntent
OS1OH5OP1
ObjectiveOS1 Fire Safety
Attribution
[F82-OS1.1]
Application
Application 1: 
Static liquid media leak detection testing of sumps for flammable liquids or combustible liquids, in buildings, structures and open areas.
Exceptions: 
except:
  • as exempted in 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, and
  • as provided in Subsection 4.10.3., which applies to storage tanks and containers for distilled beverage alcohol at distilleries.
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Intent
Intent 1: 
To limit the probability that the escape of liquid from sumps will go unnoticed, which could lead to appropriate measures not being taken, which could lead to the spread of liquid, which could lead to the accumulation and subsequent ignition of vapour from a nearby ignition source, which could lead to harm to persons.
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