6604.2.3 Distance to exposures from Class 1 and 2 material outdoor storage areas.
FC § 6604.2.3
Outdoor storage of Class 1 or 2 unstable (reactive) materials shall not be within 20 feet (6096 mm) of buildings not associated with the manufacture or distribution of such materials, lot lines, public streets, private roads or means of egress. The minimum required distance shall not apply when fire barriers that have no openings or penetrations and have a minimum fire-resistance rating of 2 hours interrupt the line of sight between the storage and the exposure. The fire barrier shall either be an independent structure, or the exterior wall of the building adjacent to the storage area.













