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Appendix I, Patio Covers Appendix J, Grading SECTION 2: Section 8-93 of the Santa Ana Municipal Code is hereby amended and added such that it reads as follows: Secs. 8-92. - Reserved. Sec. 8-93. Permit expiration (Volume 1, Chapter 1, Division II, Section 105.5). Chapter 1, Division II, Section 105.5 of the building code is amended to read as a follows: Sec. 105.5 Expiration. Every permit issued shall become invalid unless the work on the site authorized by such permit is commenced within 12 months after its issuance, or if the work authorized on the site by such permit is suspended or abandoned for a period of 180 days after the time the work is commenced. The building official is authorized to grant, in writing, one or more extensions of time, for periods not more than 180 days each. The extension shall be requested in writing and justifiable cause demonstrated. SECTION 3: Section 8-85 of the Santa Ana Municipal Code is hereby added such that it reads as follows: Sec. 8-85. Seismic loads (California Existing Building Code, Chapter 5, Section 506.4.3). Chapter 5, Section 506.4.3 of the California Existing Building Code is amended by adding the following paragraph thereto: The conversion of any portion of an existing building to residential use shall be analyzed for 75 percent of the Design Earthquake Ground motion, as defined in Section 1613.2 of the California Building Code, but in no event shall there be a reduction in the capacity of the seismic force resisting system where such system provides a greater level of protection than the minimum requirements established by this code. Performance - based engineering analysis and design procedures may be used to evaluate the existing structure and the design of strengthening elements when approved by the Building Official. All new structural elements shall meet current detailing requirements of Section 1604 of the California Building Code. SECTION 4: Section 8-290 of the Santa Ana Municipal Code is hereby amended such that it reads as follows: Ordinance No. NS-2981 Page 2 of 33