15.24.602.1 General.
This section is included in your selections.
Revise this section as follows:
Supply, return, exhaust, relief and ventilation air plenums shall be limited to areas above a ceiling or below the floor, attic spaces and mechanical equipment rooms. Plenums shall be limited to one fire area. Fuel-fired appliances shall not be installed within a plenum.
Exception: Underfloor crawlspaces shall not be used as plenums.
(Ord. 17-005 § 4, 2017)