15-28-1170 Bleaching operations.
   (a)   Storage. Sodium peroxide and sulfur in excess of one day's supply shall be stored in a separate and suitable building. The user shall notify the fire prevention bureau, by notarized letter, of the amount used in 24 hours. Upon any change in that amount, the user shall notify the fire prevention bureau within 24 hours.
   (b)   Construction of Pots. Sulfur pots shall be so constructed that if the sulfur boils over it cannot drop on combustible material. In broom corn factories, metal hoods shall be provided to prevent corn falling into or against the pots.
   (c)   Location of Grain Bleachers. Grain bleachers shall be set at least 25 feet from frame grain elevators but may be set not closer than six feet to a brick or fireproof elevator; provided, however, there are no unprotected openings in the elevator wall within 25 feet of the bleacher. Metal spouts connecting the bleacher with the elevator shall each be provided with two automatic dampers, one damper at each end of metal spout. All conveyors connecting the bleacher with the elevator shall be metal screw conveyors in metal or concrete casings. No combustible material shall be used between bleacher and elevator.
   (d)   Location of Sulfur Furnace. The sulfur- burning furnace shall be set at least 25 feet distant from bleacher in the opposite direction from the elevator and shall be of fireproof construction and unenclosed, unless it be an enclosure of fireproof construction; provided, however, that when conditions are such that the sulfur furnace cannot be located 25 feet from the bleacher, it may be located closer, but the length of the sulfur fumes pipe shall in no case be less than 25 feet.
(Prior code §  92-106)