15-28-130 Fire-resistive separation.
   Every hazardous chemical room, other than a vault for the storage of a hazardous chemical shall be separated from all other parts of the building by a four-hour fire separation, with no window or other opening, except a doorway or doorways between such vault and any other part of a building protected with a 3-hour-rated fire door installed in accordance with Chapter 14B-7.
(Prior code § 92-13; Amend Coun. J. 10-7-20, p. 21791, Art. VI, § 69)