15.16.270 Subsection R403.3.5 Amended – Building Cavities (Mandatory).
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Subsection R403.3.5 of the International Energy Conservation Code is hereby amended to read as follows:
R403.3.5 Building cavities (Mandatory). Building framing cavities are permitted to be used as return air ducts or plenums.
(Ord. 19-34 § 17, 2019; Ord. 12-47 § 1, 2012.)