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NS-2905 - Amending Chapter 8 and 14 of Santa Ana Municipal Code to Adopt and Amend ...
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NS-2905 - Amending Chapter 8 and 14 of Santa Ana Municipal Code to Adopt and Amend ...
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2/8/2017 2:46:47 PM
Creation date
1/25/2017 9:19:22 AM
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Doc Type
Ordinance
Doc #
NS-2905
Date
12/6/2016
Destruction Year
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Table R301.2(1) is revised to read: <br />TABLE R301.2(1) <br />CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA <br />GROUND <br />WIND DESIGN <br />SEISMIC <br />SUBJECT TO DAMAGE FROM <br />WINTER <br />ICE BARRIER <br />AIR <br />MEAN <br />Speed <br />I <br />TFrost <br />SNOW <br />d <br />Topographi <br />DESIGN <br />line <br />DESIGN <br />UNDERLAYMENT <br />FLOOD <br />FREEZING <br />ANNUAL <br />LOAD <br />(mph) <br />effects" <br />CATEGORY'Weathering" <br />Depth <br />Termite" <br />TEMP" <br />REQUIREDh <br />HAZARDSG <br />INDEX' <br />TEMPI <br />Very <br />See <br />Zero <br />110 <br />No <br />Dz or E <br />Negligible <br />_ 12.24' <br />Heavy <br />No <br />Exhibit B <br />0 <br />60 <br />For SI: 1 pound per square foot = 0.0479 kPa, 1 mile per hour = 0.447 m /s. <br />a. Weathering may require a higher strength concrete or grade of <br />masonry than necessary to satisfy the structural requirements of this code. <br />The weathering column shall be filled in with the weathering index (i.e., <br />"negligible," "moderate" or "severe ") for concrete as determined from the <br />Weathering Probability Map [Figure R301.2(3)]. The grade of masonry <br />units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C <br />129, C 145, C 216 or C 652. <br />b. The frost line depth may require deeper footings than indicated in <br />Figure R403.1(1). The jurisdiction shall fill in the frost line depth column <br />with the minimum depth of footing below finish grade. <br />C. The jurisdiction shall fill in this part of the table to indicate the need <br />for protection depending on whether there has been a history of local <br />subterranean termite damage. <br />d. The jurisdiction shall fill in this part of the table with the wind speed <br />from the basic wind speed map [Figure R301.2(A)].Wind exposure <br />category shall be determined on a site - specific basis in accordance with <br />Section R301.2.1.4. <br />e. Temperatures shall be permitted to reflect local climates or local <br />weather experience as determined by the building official. <br />f. The jurisdiction shall fill in this part of the table with the seismic <br />design category determined from Section R301.2.2.1. <br />g. The jurisdiction shall fill in this part of the table with (a) the date of <br />the jurisdiction's entry into the National Flood Insurance Program (date of <br />adoption of the first code or ordinance for management of flood hazard <br />areas), (b) the date(s) of the Flood Insurance Study and (c) the panel <br />numbers and dates of all currently effective FIRMs and FBFMs or other <br />flood hazard map adopted by the authority having jurisdiction, as <br />amended. <br />Ordinance No. NS -2905 <br />Page 9 of 31 <br />
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