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4.5.6.9.(1)
ApplicationIntent
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Application
Application 1: 
Trapped drainage systems [spill control] for piping for flammable liquids or combustible liquids installed in trenches, inside buildings.
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
  • Sentence 4.5.1.1.(2), which applies to:
    • tubing or casings and piping for oil or gas wells,
    • piping for vehicles, aircraft, watercraft and portable or stationary engines,
    • piping systems in fuel dispensing stations and distilleries, and
    • piping within the scope of the applicable provincial boiler and pressure vessel codes.
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Intent
Intent 1: 
To direct Code users to Subsection 4.1.6.
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