15-28-1180 Equipment.
   Every conveyor, duct, and spout between a grain bleacher and any grain elevator or other building shall be enclosed in a casing constructed of noncombustible material. Conveyors, ducts and spouts shall have an automatic closing fire damper at each end, having a fire- resistive value of not less than 45 minutes. Every sulfur- burning furnace for a grain bleacher shall be so located that the length of the sulfur fumes pipe will not be less than 25 feet, and every such furnace shall be separated by a distance of not less than 25 feet from any grain elevator, and from any other building except a grain bleacher.
(Prior code §  92-107)