Providing the Safety of Persons & Property and Providing Issuance of Permits for Inspection for Rules & Regulations Governing all Places of Assembly

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Treads and landings Ahall be constructed and maintained in a manner to prevent persons from slipping thereon, (b). Enclosures for Stairways. Every interior stairway constituting part of an exit way from a place of assembly shall be enclosed with partitions having a fire resistance rating of not less than two hours,.provided that in lexisting buildings the enclosure shall have a fire resistance rating of not less than one hour. (c). Width of Stairways and Connecting Passageways, The aggregate width of exit stairways in any story shall be not less than at the rate of twenty -two inches for every one hundred persons to be accommodated by such stairway. The minimum width shall be 36 inches, The Hallway or corridor connecting a stairway with the exit doors leading to the street, or to a court or open space communicating with a street, shall have a clear width of not less than the aggregate required widths of stairways served thereby. (d). Treads and Risers.. Risers shall not exceed seven and three - quarter inches in height, and treads,. exclusive of nosing, shall be not less than nine and one -half inches wide. Treads and risers shall be of uniform width and height in any one story. The use of winders is prohibited in required stairways. (e). Ramps used as required exit ways shall have a greadiient not exceeding one foot in ten. M. No place of assembly shall be allowed above the second floor in any frame building. Where the place of assembly is on the second story of a frame building'at least one -half the required exit capacity shall be provided by exterior stairways, or stairways separated from the first floor by fire partitions and extending direct to the street. (g). All exterior stairways shall be constructed of non- combustible material, except that wooden construction may be permitted on existing buildings occupied by places of assembly on the second floor where the stairway extends at right angles to the building wall, or there are no openings below or within ten 8.