Section R506.1 of the California Residential Code is amended to read:
R506.1 General. Concrete slab-on-ground floors shall be designed and constructed in accordance with the provisions of this section of ACI 332, as amended by PAMC Section 16.14.250. Floors shall be a minimum 3 1/2 inches (89mm) thick (for expansive soils, see Section R403.1.8). The specified compressive strength of concrete shall be as set forth in Section R402.2.
(Ord. 5566 § 1 (part), 2022)