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20.08.054 Where other codes, standards, or specifications are referred to in this specification, they are to be consid- ered as only an indication of an acceptable method or material that can be used with the approval of the building official. (Ord. 1778 § 2, 1999) Section 2211. Design Methods. When the load combinations from Section 1612.2 for LRFD are used, structural steel buildings shall be designed in accordance with Chapter 22 Division II (AISC-LRFD) and Part I of AISC-Seismic as modified by this Division. 20.08.055 Section 1900.4.4 Amended -Minimum Slab Thickness: Section 1900.4.4 of the California Building Standards Code 1998 Edition (24 CCR), and including by reference the Uniform Building Code, 1997 Edi- tion, parts 1, 2 and 3 is amended to read as follows: Minimum slab thickness. The mini- mum thickness of concrete floor slabs supported directly on the ground shall not be less than 3'/2 inches (89 mm). The slab shall be reinforced with not less than six inches by six inches ten gauge weld- ed wire mesh or an approved alter- nate installed at mid height of the slab. (Ord. 1778 § 2, 1999; Ord. 1669 § 2, 1995) 20.08.056 Section 2211 Amended - Design Methods: Section 2211 of the California Build- ing Standards Code 1998 Edition (24 CCR), and including by reference the Uniform Building Code, 1997 Edition, parts 1, 2 and 3 is amended to read as follows: When the load combinations from Section 1612.3 for ASD are used, structural steel buildings shall be designed in accordance with Chapter 22 Division III (AISC-ASD) and Part III of AISC-Seismic as modified by this Division. (Ord. 1778 § 2, 1999) 20.08.057 Section 2513.1 Amended - Shear-Resisting Construction With Wood Frame: Section 2513.1 of the California Building Standards Code 1998 Edition (24 CCR), and including by reference the Uniform Building Code, 1997 Edi- tion, parts 1, 2 and 3 is amended to read as follows: General. Cement plaster, gypsum lath and plaster, gypsum veneer base, gypsum sheathing board, and gypsum wallboard may be used, on wood studs for vertical diaphragms if ap- plied in accordance with this section. Shear-resisting values shall not ex- ceed those set forth in Table 25-I. The effects of overturning on vertical diaphragms shall be investigated in accordance with Section 1605.2.2. Cement plaster, gypsum lath and 700-21 (Pleasanton April 2000)