801.3.4 (8.3.4) Soil-Gas Control. In known areas, per the Idaho Department of Health and Welfare, where elevated soil-gas may be present, soil-gas entry into enclosed spaces that are immediately above crawlspaces, slabs-on-grade, and basement slabs shall be controlled in accordance with Sections 801.3.4.1 (8.3.4.1) or 801.3.4.2 (8.3.4.2).
Exceptions:
1. Buildings or portions thereof that are not routinely occupied, such as warehouses and parking structures.
2. Ventilated garages that comply with ANSI/ASHRAE Standard 62.1, Sections 5.15 and 6.5.
(Ord. 9-23, 3-7-2023)