I have a paint line for simple metal trailers and components. I know how to do the non-automated powder booths easy enough. What I am struggling with is other "booths" on the line. Blast furnaces, in particular, for drying post wash and for curing the powder coated parts. They are approximately 1,000 sq. ft. rectangles and 20 foot tall. These furnaces regularly get to 650 °F. I don't need protection inside per NFPA 86 and the IFC requirements.
When my brain switches back to 13 requirements, I have a large obstructed area shielding concrete and transitory metal frames. Insurance is recommending OH2 overhead for this area. Do I need to increase my overhead requirements to EH2 for shielded fires even though they're not "combustible" shielded fires? Any thoughts would be appreciated. Taylor Schumacher
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