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thickness shall be provided directly under the concrete slab vapor barrier to retard capillary action. Two (2) inches of sand shall be provided between the vapor barrier and the concrete slab. The top of the concrete floor slab shall be a minimum six (6) inches above exterior finished grade. Sec. 9.74 SECTION 2204 OF THE BUILDING CODE AMENDED: Section 2204 of the Building Code is hereby amended to read as follows: Section 2204.1 Load and Resistance Factor Design. Steel design based on load and resistance factor design method shall resist the factored load combinations of section 1612.2 in accordance with the applicable requirements of Section 2205. Section 2204.2 Allowable Stress Design. Steel design based on allowable stress design methods shall resist the factored load combinations of section 1612.3 in accordance with the applicable requirements of Section 2205. Sec. 9.75 SECTION 2205.3 OF THE BUILDING CODE AMENDED: Section 2205.3 of the Building Code is hereby amended to read as follows: Section 2205.3 Seismic Design Provision for Structural Steel. Steel structural elements that resist seismic forces shall, in addition to the requirements of Section 2205.2, be designed in accordance with Division IV. Sec. 9.76 DIVISION IV AND V OF CHAPTER 22 OF THE BUILDING CODE ARE DELETED IN THEIR ENTIRETY. Sec. 9.77 DIVISION IV OF CHAPTER 22 OF THE BUILDING CODE IS ADDED TO READ AS FOLLOWS: Division IV - SEISMIC PROVISIONS FOR STRUCTURAL STEEL BUILDINGS Based on Seismic Provision for Structural Steel Building, of the American Institute of Steel Construction, Parts I and III, dated April 15, 1997 and Supplement No. 2, dated November 10, 2000. Sec. 9.78 SECTION 2210 OF THE BUILDING CODE AMENDED: Section 2210 of the Building Code is hereby amended to read as follows: Section 2210 Adoption. Except for the modifications as set forth in Section 2211 and 2212 of this Division and the requirements of the Building Code, the seismic design, fabrication and erection of structural steel shall be in accordance with the Seismic Provisions for Structural Steel Buildings, April 15, 1997 published by the American Institute of Steel Construction, 1 East Wacker Dr., Suite 3100, Chicago, II 60601, as if set at length herein. The adoption of Seismic Provisions for Structural Steel Buildings in the Division, hereinafter referred to as AISC- Seismic, shall include Parts I (LRFD) and III (ASD) and Supplement No. 2, dated November 10, 2000. Atty/Ord/Ord. 167 102402 14 2241