15.04.410 Subsection N1103.3.5 (R403.3.5) Amended – Building Cavities (Mandatory).
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Subsection N1103.3.5 (R403.3.5) of the International Residential Code for One- and Two-Family Dwellings is hereby amended to read as follows:
N1103.3.5 (R403.3.5) Building cavities (Mandatory). Building framing cavities are permitted to be used as return air ducts or plenums.
(Ord. 19-28 § 32, 2019; Ord. 12-42 § 2, 2012.)