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<br />Ordinance No. NS-XXX <br />Page 6 of 30 <br />code, as thus amended, together with all other provisions of this article, <br />shall be known as the city residential code. <br /> <br />Appendices which are adopted pursuant to this section, are as follows: <br /> <br />Appendix H, Patio Covers <br /> <br />Appendix J, Existing Buildings and Structures <br /> <br />Section 10. Section 8-2810 of the Santa Ana Municipal Code is hereby amended <br />to read as follows: <br /> <br /> Sec. 8-2810. - Climatic and Geographic Design Criteria (Table R301.2). <br /> <br />Table R301.2 is revised to read: <br /> <br />TABLE R301.2 <br />CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA <br /> <br />GROUND <br />SNOW <br />LOAD <br />WIND DESIGN <br />SEISMIC <br />DESIGN <br />CATEGORY <br />f <br />SUBJECT TO DAMAGE <br />FROM <br />WINTER <br />DESIGN <br />TEMP e <br />ICE <br />BARRIER <br />UNDERLAY- <br />MENT <br />REQUIRED h <br />FLOOD <br />HAZARDS <br />g <br />AIR <br />FREEZING <br />INDEX i <br />MEAN <br />ANNUAL <br />TEMP j <br />Speed <br />d <br />(mph) <br />Topo- <br />graphic <br />effects k <br />Special <br />wind <br />regionl <br />Windborne <br />debris <br />zonem <br />Weathering <br />a <br />Frost <br />line <br />Depth <br />b <br />Termite <br />c <br />Zero 95 No No No D2 or E Negligible 12-24” <br />Very <br />Heavy 43 No <br />See <br />Exhibit B 0 60 <br /> <br />For SI: 1 pound per square foot = 0.0479 kPa, 1 mile per hour = 0.447 m/s. <br /> <br />a. Weathering may require a higher strength concrete or grade of masonry <br />than necessary to satisfy the structural requirements of this code. The <br />weathering column shall be filled in with the weathering index (i.e., "negligible," <br />"moderate" or "severe") for concrete as determined from the Weathering <br />Probability Map [Figure R301.2(3)]. The grade of masonry units shall be <br />determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129, C 145, C 216 or C <br />652. <br /> <br />b. The frost line depth may require deeper footings than indicated in Figure <br />R403.1(1). The jurisdiction shall fill in the frost line depth column with the <br />minimum depth of footing below finish grade. <br /> <br />c. The jurisdiction shall fill in this part of the table to indicate the need for <br />protection depending on whether there has been a history of local subterranean <br />termite damage. <br /> <br />d. The jurisdiction shall fill in this part of the table with the wind speed from <br />the basic wind speed map [Figure R30l.2(A)].Wind exposure category shall be <br />determined on a site-specific basis in accordance with Section R301.2.1.4. <br />