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5.4.5.2.(1)
OS1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Design, operation and maintenance of spray coating processes, either continuous or intermittent, involving flammable or combustible materials, inside buildings.
This also applies to the spray application of water-borne or water-based materials that contain flammable liquids or combustible liquids or that produce combustible deposits or residues.
[Note: Although not stated in the Code, Subsection 5.4.5. is intended to apply only to processes that generate:
  • concentrations of vapours or mists that present an explosion hazard, or
  • accumulations of combustible spray residues, dusts or deposits that present a fire hazard.]
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Intent
Intent 1: 
To limit the probability that spray coating processes will lead to a fire or explosion, which could lead to harm to persons.
Intent 2: 
To limit the probability that a fire or explosion caused by spray coating processes will spread beyond the point of origin, which could lead to harm to persons.
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