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Mar., 1940] STORAGE AND HANDLING OF FlLM 331
(224} Quantity of Film. — In inspection, projection, rewinding, and other rooms (not including shipping room) there shall not be in excess of 16 standard rolls or 8 double rolls for each person handling film in such rooms, of which not in excess of 2 standard rolls or one double roll for each person shall be exposed outside of closed containers. All film in excess of this quantity shall be kept in cabinets or vaults.
Section 23. — Motion Picture Film Laboratories (See Part I, General Provisions, which also apply.)
(231) All buildings used for, or housing a motion picture film laboratory shall be equipped throughout with automatic sprinklers.
(232) Quantity of Film. — In all the various work rooms in which film is handled (not including shipping rooms) the quantity of film not in containers shall not exceed two standard rolls per person handling film ; this should not be construed, however, as restricting the quantity of film which may be in process on printing, developing, or drying machines to two standard rolls. There shall not be more than 10 standard rolls of film not in approved cabinets for each person working in such rooms; provided, however, that in developing rooms there shall not be more than 20 standard rolls of film not in approved cabinets for each developing unit. All film in excess of the above quantities shall be kept in cabinets or vaults.
(233) Printing. — On all future installations, unless printing machines are so spaced that the distance from the film on any machine to that on any other machine is at least 6 feet, they shall be separated from each other by incombustible partitions of 3/8-inch hard asbestos board or its equivalent in heat insulation and durability, and extending from the floor to at least 3 feet above the top of the film on the machines. If partitions carried to this height would extend higher than 2 feet below sprinkler deflectors, they shall be built up to the ceiling. If partitions are extended to the ceiling one sprinkler head shall be located in each of the sections thus formed. In any event, sprinklers shall be so arranged that not more than two machines are dependent upon the protection afforded by any one head.
(234) Drying. — Drying machines of the cabinet type shall be of metal and wired glass. Heating units shall be located outside the cabinet, and shall be provided with thermostatic control so that the temperature in the cabinet shall not exceed 120°F.