Current through Register Vol. 54, No. 45, November 9, 2024
Section 51.81 - Hazardous areas(a) Boiler or furnace rooms, repair or maintenance rooms, trash rooms, and rooms or spaces used for storage of combustible materials in quantities deemed hazardous by the Department shall be separated from other areas of the building by 1-hour partitions, floors, and ceilings. Openings shall be protected by C label door assemblies. Combustion and ventilation air for boiler, incinerator or heater rooms shall be taken directly from and discharged directly to the outside air.(b) American Gas Association approved gas fire forced air furnaces and space heaters; U. L. approved electrical resistive coil heating furnaces and U. L. approved oil fired forced air furnaces and space heaters need not be enclosed.(c) Aisles in auditoriums shall be provided with general illumination of not less than 0.1 foot candles at the front row of seats and not less than 0.2 foot candles at the last row of seats, and the illumination shall be maintained throughout the showing of motion pictures or other projections.