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)

15-28-1090 Inspection of ventilators.

   Ventilators. All ventilators, overbalanced sash and similar devices, required by this Code, designed to afford pressure relief in case of explosion, shall be inspected at intervals sufficiently frequent to insure their constant operating efficiency.

(Prior code §  92-98)

15-28-1100 Grounding of equipment.

   In every grinding or dust-producing area, all metal parts of machinery or equipment shall be positively grounded to prevent static electricity buildup and smoking or the use of any device employing an open flame is prohibited.

(Prior code §  92-99)

15-28-1110 Grain bleachers.

   Every grain bleacher shall be separated by a distance of not less than six feet from any other building; provided, however, that no grain bleacher shall be nearer than 25 feet to any window, or doorway of any other building unless such window is a fire window, or unless such doorway is provided with Class D fire floor.

(Prior code §  92-100)

15-28-1120 Grain elevators and malt houses.

   Every grain elevator, malt house and similar building shall be so situated that it will not be so hazardous as to constitute a nuisance or be a menace to the safety of the public or to the adjacent property.

(Prior code §  92-101)

15-28-1130 Construction of grain bleachers.

   Every grain bleacher shall be of Type IA construction. No combustible construction shall be used between a grain bleacher and any other building.

(Prior code §  92-102)

15-28-1140 Construction of cereal, feed, flour, grist and starch mills.

   Every building, or part of a building, designed, erected, altered or converted for the purposes of a cereal mill, feed mill, flour mill, grist mill, or starch mill and in which more than 500 pounds of any cereal, feed, flour, grist or starch is produced during any 24-hour period shall be of Type IA, IB or IC construction.

(Prior code §  92-103)