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125. Portable electric lights on extension cords shall not be used in any room in which film is handled or stored, other than the stage of motion picture studios, except that in emergency such portable lamps may be used if equipped with approved keyless sockets and metal protective lamp guards, and having rubbercovered cords of the Hard Service (type S) or Junior Hard Service (type SJ) varieties, with suitable locking plugs.
126. Motors shall be of the non-sparking type, or shall be of an enclosed type, so arranged as to minimize the danger of sparks.
127. Motion picture projectors and other associated electrical equipment shall be of approved type and safeguarded in accordance with the requirements of the National Electrical Code.
Section 13—Heating Equipment
131. Artificial heating in any building or room, other than a vault, in which motion picture film is used, handled or stored, shall be restricted to steam not exceeding 15 pounds pressure or hot water, provided, however, that this shall not be construed as prohibiting the installation of an indirect system employing high pressure steam when the radiators or heating coils of such system are not located in the room or rooms to be heated. Heat generating apparatus shall be in a separate room.
132. All steam pipes within 6 feet of
the floor, and where passing through partitions or racks or near woodwork, shall be covered with approved pine covering. All radiators, heating coils, and pipes and returns that are near the floor or are so located as to permit any combustible material, waste or dirt to come in contact therewith shall be guarded and protected by means of %4-inch mesh galvanized steel wire cloth No. 20 B. & S. Gauge, or by its equivalent. The bottoms of such guards shall be arranged so as to lift up for cleaning purposes and the tops to slope so that guards cannot be used as shelves. Guards shall be so constructed that no film can come within 4 inches of the heating surface, and shall be made with a substantial metal framework which will prevent the wire mesh being forced against the radiator or pipes. _ 133. Air conditioning, warm air heating, air cooling and ventilating systems employing ducts shall be installed in accordance with the “Regulations on Air Conditioning, Warm Air Heating, Air Cooling and Ventilating Systems.” In addition to the fire dampers required by said regulations, approved automatic fire dampers shall also be located at such points as may be necessary so that, as far as the duct system is concerned, each room in which film is handled is cut off by dampers from every other room, including those where film is handled as well as those where film is not handled. (See Par. 191(g) regarding ventilation of projection rooms.) Any system used for air conditioning a film vault shall be entirely independent, with no duct connecting to any other vault or room.
NoTe-—Ordinary hot air f Gas, oil and electric r furnaces are prohibited. where film Is handled or stared
1946-47 THEATRE CATALOG
ANOTHER METHOD, a variation of the previous one, is shown for guarding radiators and heai-conducting pipes. Pipes within 6 inches of the floor or passing through partitions or racks must be properly covered.
Section 14—Sprinklers and Other Fire Protection Appliances
Note—See sub-section 175 regarding sprinklers in film vaults.
141. Every room in which film is stored or handled in quantities greater than 50 pounds (10 standard rolls), except in motion picture projection booths or rooms and rewinding rooms connected therewith, shall be equipped with an approved system of automatic sprinklers. Buildings or sections of buildings used as exchanges, laboratories or studios shall be equipped with automatic sprinklers, as provided under sub-sections 221, 231 and 241. All buildings used for the storage or handling of film should be completely equipped with automatic sprinklers.
142. The spacing of sprinkler heads in all sections where film is handled shall not exceed one head for each 64 square feet, with heads and lines not over 8 feet apart; provided, that in the stage section of motion picture studios the spacing of sprinklers shall not exceed one head for each 80 square feet. In existing buildings where the spacing of sprinkler heads exceeds that specified above, the inspection department having jurisdiction may require the installation of additional heads wherever the hazard of some machine, process, or accumulation of film warrants such protection.
143. (a) Water supply shall be provided acceptable to the inspection department having jurisdiction.
(b) Water supplies for automatic sprinklers shall be based on an estimate of 20 gallons a minute per head for 20 minutes for the total number of heads in one vault, plus 25% of the number of heads in the largest fire area. (A fire area is regarded as an area cut off by brick or conerete walls having a minimum thickness of 8 inches. Each opening in these walls to be protected by one self closing fire door, Class A type.)
144. Every room in which film is stored or handled, except film vaults, shall be provided with first aid fire appliances of types using water or water solutions,
Nore—Small hose equipment is recommended and the following types of extinguishers are considered suitable: Soda acid, calcium chloride, pump tank, and loaded stream.
See Regulations on First Aid Fire Appli and Standpipe and Hose Systems. -iseneaaiae.
Section 15—Storage of Film
151. The storage of motion picture film, not in process or being worked upon, and except as hereinafter specifically provided shall be in accordance with the following rules:
(a) Except as provided in paragraph (b),
(1) Amounts in excess of 25 pounds (5 standard rolls) but not in excess of 1,000 pounds (200 standard rolls) shall be kept in approved cabinets if not in vaults;
(2) Amounts in excess of 1,000 pounds shall be kept in vaults;
(3) Storage for any considerable length of time should be in vaults only. (b) Unexposed film enclosed in the
original shipping cases, conforming to L.C.C. regulations with each roll in a separate container, shall be kept in a sprinklered room, and if over 5 cases aggregating in excess of 750 Ibs. (150 standard rolls) shall be kept in a sprinklered room used for no other purpose.
152. Valuable negatives shall be stored in vaults used only for such film, in suitable heat-insulating containers designed to minimize water damage.
Notr—The above paragraph being principally concerned with safeguarding values would not need to be inserted in an ordinance.
Section 16—Film Cabinets
161. Construction.—(a) Cabinets jincluding doors shall be of a type of construction approved by the inspection department having jurisdiction.
Note—Cabinets may be of approved metal construction, or may be built into the building with a type of construction listed under partitions, subsection 112 (a) 1, 2 or 3, if otherwise conforming to the provisions of this section.
(b) Cabinets shall have a capacity of not in excess of 375 pounds of film (75 standard rolls).
(c) Racks in the cabinet shall be of metal and so arranged that containers will be stored on edge only.
(d) Doors shall close tightly against the jambs, and should be so arranged as to remain normally closed and latched.
162. Vents.—(a) Cabinets having a capacity of over 50 pounds of film (10 standard rolls) shall be provided with a vent from each compartment to the outside of the building. The vent shall have a minimum effective sectional area of 14 square inches per 100 pounds of film capacity. For long lengths of vent pipe a larger size may be necessary to take care of friction loss and turns in the pipe.
(b) Vent flues shall be of construction equivalent to 18 U.S. gauge riveted sheet metal, and where inside the building shall be covered with 1 inch of approved heat insulating material.
163. Sprinklers——(a) Cabinet holding over 75 pounds of film (15 standard rolls) shall be provided with at least one automatic sprinkler; provided, however, that a cabinet constructed so that each roll is in a separate compartment and will burn out without communicating fire to film in any other compartment, need not be provided with an automatic sprinkler.
(b) Cabinets of not over 125 pounds capacity for use in projection booths and rewinding rooms only, may have the required sprinkler head connected to the house supply by not less than %-inch
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