Where a concrete floor on grade is used, it shall have a thickness of not less than three-and-one-half (3 ½ ) inches. The surface of a concrete floor shall not be less than two and one-half (2 ½ ) inches above the adjacent grade. Wood sills shall not be less than six (6) inches from adjacent earth. A wood floor may be laid directly on a waterproofed concrete slab.

Note: Authority cited: Section 18300, Health and Safety Code. Reference: Section 18552, Health and Safety Code.

History

1. Amendment filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).