Is Powder-Coating Facility F-1 or F-2 Occupancy?

What occupancy type would you consider a building being used for powder coating of metal chassis?

The IBC lists F-2 (Low-Hazard Factory Industrial) as the occupancy for metal fabrication and assembly and basically the fabrication or manufacturing of non-combustible materials in which the processes do not involve a significant fire hazard.

Anything not listed as F-2 would be considered F-1 (Moderate-Hazard Factory Industrial).

In this building they bring in the metal chassis, send them through an oven to warm them up, then send them through another booth to standblast them. Then the chassis are powder-coated before going through a final oven to be cured.

In my opinion and past exeprience with powder coating it can be a pretty hazardous activity with explosive hazard and with finely divided particles. I do know the booth is pretty large for powder coating will need to have fire suppression. The big question is would be consider this building F-1 or F-2 requiring fire suppression throughout, as the building is well over 12,000 sqft in area. 

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