18-28-603.1 General.
   An air distribution system shall be designed and installed to supply the required distribution of air. The installation of an air distribution system shall not affect the fire protection requirements specified in the Chicago Building Code. Ducts shall be constructed, braced, reinforced and installed to provide structural strength and durability.
(Amend Coun. J. 9-14-21, p. 35949, Art. VI, § 4)