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Pyroxylin plastic in excess of an aggregate of twenty-five (25) pounds, either in the raw state or as a manufactured product and intended for use in further manufacturing processes, shall be stored as follows:
(a) Pyroxylin plastic up to five hundred (500) pounds shall be stored in an approved vented “standard storage cabinet” conforming to the applicable provisions of Section 3129.43(d). No such storage cabinet shall have an aggregate interior volume of more than thirty (30) cubic feet nor shall any cabinet be used to store more than five hundred (500) pounds of pyroxylin plastic or more than two hundred fifty (250) pounds in any one (1) compartment of such cabinet. Not more than five hundred (500) pounds of pyroxylin plastic stored as specified in this subsection (a) shall be contained within any one (1) room, and every such room containing in excess of twenty-five (25) pounds of pyroxylin plastic shall be separated from other rooms or spaces by fire-resistive walls or partitions and floor and ceiling construction having a fire resistance rating of not less than three-fourths (3/4) hour. Interior door openings in such walls or partitions shall be equipped with self-closing fire doors having fire resistance ratings of not less than three-fourths (3/4) hour.
(b) Pyroxylin plastic stored in excess of five hundred (500) pounds in any one (1) establishment shall be stored within a room conforming to the applicable provisions of Section 3129.43(c), and conforming to the following additional requirements:
(1) Such fire-resistive rooms shall not exceed one thousand five hundred (1,500) cubic feet capacity and shall not contain more than ten thousand (10,000) pounds of pyroxylin plastic.
(2) Walls or partitions shall be of incombustible material having a fire resistance rating of not less than four (4) hours.
(3) The floor and ceiling construction shall be of incombustible material and shall have a fire resistance rating of not less than three (3) hours.
(4) All door openings shall be equipped with two (2) fire doors, with one (1) fire door provided on each face of the wall at each door opening. The interior door shall be automatic closing and the outer door shall be of the self-closing swinging type. The aggregate fire resistance rating of the two (2) doors shall not be less than four (4) hours.
(5) Each such room shall be separately fire vented to the outer air with vent or vents having a minimum effective cross-sectional area in the ratio of one hundred forty (140) square inches for each one thousand (1,000) pound capacity. A fire-resistive room of one thousand five hundred (1,500) cubic feet capacity shall have vent openings not less than one thousand four hundred (1,400) square inches in area. Such vents shall be either in the exterior walls, the ceiling or the roof. When located in the ceiling they shall be extended to a safe location above the roof level. All vent openings which face on a street, court or other open space shall be at least fifty (50) feet from other openings not in the same plane.
(6) Horizontal or vertical vent flues inside of a building shall be of construction having a fire resistance rating of not less than four (4) hours; except that vent flues for pyroxylin plastic not exceeding two hundred fifty (250) pounds in aggregate weight may be of sheet metal riveted or otherwise assembled in an approved manner so as to be gas-tight, not lighter than eighteen (18) U.S. gauge, covered with not less than one (1) inch of approved heat insulating material and maintained not less than nine (9) inches from any combustible construction or material.
(7) Each vent opening directly through an exterior wall shall be protected against the weather by a single thickness of glass painted or colored a dark color or by other incombustible fragile material mounted in a sash arranged to open automatically in case of fire, through the operation of an approved releasing device placed inside the sash. The effective cross-section area of a vent opening in an exterior wall shall be deemed to be the total area of glass surface. No pane of glass shall be smaller than two hundred (200) square inches.
(8) Fire-resistive storage rooms shall be equipped with at least one (1) automatic sprinkler for each eight hundred thirty-four (834) pounds of pyroxylin plastic capacity. Whenever such room is divided into two (2) or more compartments at least one (1) automatic sprinkler shall be provided in each compartment. A vault of one thousand five hundred (1,500) cubic feet capacity shall have at least twelve (12) sprinkler heads.
(9) All lights within fire-resistive storage rooms shall be at the ceiling level and shall be operated by a switch located outside of such rooms.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
(a) Storage cabinets for the storage of pyroxylin plastic in process of manufacture shall be vented and shall conform to the requirements specified in Section 3129.43(d). Cabinets having a capacity in excess of two hundred fifty (250) pounds of such products shall be divided into at least two distinct compartments, each compartment provided with an independent door and vent. The separating partition shall be practically air- tight.
(b) Cabinet vents shall have an area of not less than thirty-six (36) square inches for each two hundred fifty (250) pounds capacity and shall conform to Section 385.54(b)(6).
(c) Cabinets holding over fifty (50) pounds of pyroxylin products shall be equipped with at least one (1) automatic sprinkler for each two hundred fifty (250) pounds capacity or fraction thereof. If divided into two (2) or more compartments, each compartment shall have a least one (1) automatic sprinkler head.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
Whenever in the process of manufacturing pyroxylin plastic products, saws, abrasives or cutting tools are used which are likely to heat the material to the ignition point, a jet of water shall be continuously played upon the surface so heated.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
(a) Except as otherwise permitted in specific instances by the Fire Chief, all scrap cuttings and shaving, sawdust and other refuse material resulting from the manufacture of pyroxylin plastic products shall be collected at frequent intervals and placed in an incombustible receptacle in which it shall be kept continuously immersed in water until removal from the premises.
(b) All refuse material shall be promptly removed from the premises, and not more than three hundred fifty (350) pounds of such material shall be on the premises at any one time.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
(a) Any flammable liquid stored upon the premises for use in connection with manufacturing pyroxylin plastic products shall be stored in conformity with the provisions of this Fire Prevention Code governing flammable liquids and in conformity with this section. The storage of flammable liquids shall be isolated from the storage of pyroxylin plastic.
(b) Flammable liquids stored or kept inside a building shall not exceed twenty-five (25) gallons within one (1) fire area stored either in safety cans, sealed containers or approved metal cabinets, except that quantities in excess of that amount may be stored in fire resistive rooms for the storing or handling of hazardous substances constructed as specified in Section 3129.43(c).
(c) Cementing of sheets and other extensive cementing processes, where considerable quantities of flammable cement are used, and dipping and spraying in, or with, flammable liquid shall be done in well ventilated rooms devoted exclusively to such work and separated from the remainder of the building by vapor- tight walls or partitions having a fire resistance rating of not less than three-fourths (3/4), hour. Spraying and dipping shall be conducted in conformity with the provisions governing such operations included in Sections 385.01 to 385.17.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
Whenever operations include cutting, turning, shaping, beading, sanding, molding, hubbing, artificial softening or heating, or the use of mechanical equipment which introduces friction or is specially fire hazardous, operators shall be stationed not closer than three (3) feet apart and the amount of material per operator shall not exceed one-half (1/2) day’s supply or the quantity actually in process of manufacture, and shall be limited to the capacity of three (3) standard tote boxes, including material awaiting removal or use.
(Ord. No. 991-49. Passed 6-27-49, eff. 6-27-49)
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