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(a) Bowling pin finishing or refinishing operations shall be performed in a separate building or in a separate room, separated from the other parts of the building by walls or partitions providing fire resistance of not less than two hours. Openings in such walls and partitions shall be protected with Class C fire doors.
(b) Concealed spaces between a ceiling of a bowling alley and the roof construction immediately above shall comply with the following requirements:
(1) Such concealed spaces shall be divided into horizontal areas not exceeding 4,000 square feet by separations providing fire resistance of not less than one hour.
(2) Each concealed space shall be equipped with fire and explosion vents having a net open area of not less than two percent of the horizontal area of the concealed space. Such fire and explosion vents shall be actuated by a device meeting the approval of the fire commissioner and connected with a local alarm placed in the office of the bowling alley.
(3) A gravity type of roof ventilator shall be provided for each concealed space. Such ventilator shall be located at the high point of the roof and shall have a net open area of one square inch for each ten square feet of horizontal area of the concealed space.
(c) Mechanical ventilating systems in bowling alleys shall be equipped with a rate of rise temperatures actuating device to stop operation of fans in the event of fire.
(Prior code § 54-6.7; Amend Coun. J. 5-18-16, p. 24131, § 39)