Repeal section R303.4 and replace with the following:
R303.4 Mechanical ventilation. Dwelling units shall be provided with whole-house mechanical ventilation in accordance with Section M1505.4.
(Ord. 44-17, 12-19-2017, eff. 1-1-2018; amd. Ord. 40-20, 12-1-2020, eff. 1-1-2021)