Cal. Code Regs. tit. 25, § 2472
Concrete slabs may be considered to have an allowable load bearing capacity of three-hundred-fifty (350) pounds per column. The enforcement agency may accept a loading not to exceed five-hundred (500) pounds per column, provided the slab is not less than three and one-half (3 ½ ) inches thick and in good condition. The weight of individual poured concrete footings shall be one and one-half (1 ½ ) times the calculated uplift force. The weight of concrete shall be assumed to be not more than one-hundred-forty-five (145) pounds per cubic foot.
Note: Authority cited: Section 18865, Health and Safety Code. Reference: Section 18871.3, Health and Safety Code.
1. New section filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).