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4.4.3.4.(1)
ApplicationIntent
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Application
Application 1: 
Leak detection testing and monitoring of piping and transfer systems 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,
  • as provided in Subsection 4.10.3., which applies to storage tanks and containers for distilled beverage alcohol at distilleries, and
  • as exempted in Sentence 4.5.1.1.(2), which applies to:
    • tubing or casings and piping for oil or gas wells,
    • transmission pipelines,
    • piping for vehicles, aircraft, watercraft and portable or stationary engines,
    • piping systems in distilleries, and
    • piping within the scope of the applicable provincial codes regulating boilers and pressure vessels.
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Intent
Intent 1: 
To establish when a pressure decline test is to be performed on piping systems.
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