18-29-307.3 Penetrations of floor/ceiling assemblies and fire-resistance-rated assemblies.
   Penetrations of floor/ceiling assemblies and assemblies required to have a fire-resistance rating shall be protected in accordance with the Chicago Building Code.
(Amend Coun. J. 4-10-19, p. 100029, Art. XVI, § 7; Amend Coun. J. 10-14-21, p. 37722, Art. III, § 12)