15-28-1030 Area limitations.

   Every room used for the examination or repair of motion picture films shall be occupied by not more than eight persons at one time, and the floor area shall exceed 400 square feet, inclusive of a space of not less than four feet, six inches which shall be allowed between tables for aisles leading to exits.

(Prior code §  92-92)

15-28-1040 Capacity limitations.

   The capacity of a motion picture trial exhibition room shall not exceed 50 persons, with an allowance of not less than ten square feet of floor area for each seat.

(Prior code §  92-93)

ARTICLE XX. HAZARDOUS DUSTS (15-28-1050 et seq.)

15-28-1050 Definitions.

   As used in this chapter:

   “Grain elevator, malt house and similar building” means a building designed, intended or used for the purpose of receiving, storing, delivering, working with or treating grain in bulk.

   “Grinding or dust-producing rooms” means a room containing a machine or device for grinding, pulverizing, buffing, cutting, polishing or any other operation which produces dust, lint, shavings or other fine particles of matter liable to spontaneous ignition or explosion, or a room in which it is proposed to install any such machine or device.

(Prior code §  92-94)

15-28-1060 Special safety clearances.

   No grain bleacher, grain elevator, malt house or similar building shall be located nearer than 100 feet to any building in which there is an institutional, assembly or open air assembly unit, except as otherwise provided below.

(Prior code §  92-95)

15-28-1070 Construction requirements.

   Every grinding or dust-producing room, located in any building other than a building of Type IA, IB or IC construction which is also equipped throughout with a standard system of automatic sprinklers, shall be constructed in accordance with the requirements of this section. Any such room, with a floor area of not more than 600 square feet, shall have a floor of any type of construction permitted for the building in which located and shall have both walls and ceiling of one-hour fire- resistive construction. Any such room, with a floor area of more than 600 square feet and not more than 1,200 square feet, may have a floor of any type of construction permitted for the building in which located, and shall have both walls and ceiling of two-hour fire-resistive construction. Any such room with a floor area of more than 1,200 square feet, shall be separated from every other part of the building by not less than four-hour fire- resistive construction. No such rooms shall have any opening except a doorway or doorways between such room and any part of the building. Every doorway through any such wall or separation shall be provided with a door of the character required by Chapter 15-12 for fire doors. Nothing in this section shall be construed as prohibiting or preventing the installation of noncombustible piping or conveyors or similar dust- tight enclosed mechanical devices between floors or stories in such rooms or buildings.

(Prior code §  92-96)

15-28-1080 Ventilation.

   Every grinding or dust-producing room, shall have means of natural ventilation or vent flues as required by Section 15-28-260 for material heating rooms; provided, however, that the combined area of ventilating opening which shall have closures arranged to open automatically in case of explosion or fire shall be not less than ten percent of the floor area of the room, and the combined area of vent flues, in lieu of ventilating openings shall be not less than eight percent of the floor area.

(Prior code §  92-97; Amend Coun. J. 6-14-95, p. 2841)