1203. VENTILATION

1203 VENTILATION Strike Section 1203.1 of the International Building Code in its entirety and insert new Section 1203.1 in the Building Code in its place to read as follows: 1203.1 General. Buildings shall be provided with natural ventilation in accordance with Section 1203.4, or mechanical ventilation in accordance with the Mechanical Code. Each new dwelling unit shall be ventilated by mechanical means in accordance with Section 403 of the Mechanical Code and shall have at least one opening to the outdoors for natural ventilation of not less than 4 percent of the floor area of the habitable spaces of the dwelling unit. Ambulatory care facilities and Group I-2 occupancies shall be ventilated by mechanical means in accordance with Section 407 of the Mechanical Code. SOURCE: Final Rulemaking published at 67 DCR 5690 (May 29, 2020 – Part 2). The District of Columbia Building Code (2017), referred to as the “Building Code,” consists of the 2015 edition of the International Building Code (International Building Code), published by the International Code Council (ICC), as amended by the Building Code Supplement of 2017 (12-A DCMR). The International Building Code is copyrighted by the ICC and therefore is not republished here. However, a copy of the text may be obtained at: https://codes.iccsafe.org/public/document/IBC2015. District of Columbia Municipal Regulations Building Code Supplement of 2017 12-A DCMR § 1203