Every fume or flammable compressed gas room shall have means of natural ventilation as required under Section 15-28-260 for material heating rooms. The combined area of ventilating openings with closures arranged to open automatically in case of explosion or fire shall be not less than five percent of the total wall area.
(Coun. J. 12-9-92, p. 25465; Amend Coun. J. 2-7-96, p. 15616)