CBC Table 508.2 Spray Booth Incidental Use

In review of CBC T-508.2 for spray booths, it indicates that they are required to have separation and/or protection of 2-hours (or 1-hour with sprinklers) where located in occupancies other than Group F.

Does this mean that if we always need a separation except in an F occupancy group? Is there a reason to specifically allow this in an F occupancy? Thanks.
Original Post
Based on my experience, a spray booth is usually aprt of a fcatory (Group F).

The potential issue is a body shop where a spray booth is needed. Because a body shop could be classifed as a Group S-1, the one hour separation might be imposed. There are sufficent controls for a spray booth uisng flammable paints that a one-hour separation should not be required. A reasonable approcah would be to classify the use as F-1 because if you can manufacture autos in an F-1, then why not be able to repair the body?

In most cases, teh quantity of the FL IB can be controlled such that the use is not a H-3.

Chuck Daleo
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Industrial factories (Group F) have a substantial historical record as moderate hazard occupancies and low hazard occupancies that supports the EXCEPTION for spray booths; typically prefabricated of noncombustible materials and have highly efficient exhaust-air and filter systems ... Likewise many such booths are equipped with fire sprinklers as well.
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