16.110 Residential Code For One- & Two-Family Dwellings

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Chapter 16.11016.110.R102.5Section R102.5 of the 2012 International Residential Code for One- and Two-Family Dwellings ishereby amended to read as follows:R102.5 Appendices adopted. The following appendices are adopted as part of the Code:1. Appendix E – Manufactured Housing Used as Dwellings.2. Appendix G – Swimming Pools Spas and Hot Tubs.3. Appendix H – Patio Covers.4. Appendix I – Private Sewage Disposal.5. Appendix K – Sound Transmission.(History: Ord. BC-2936 §31, 2012; BC-2635 §52, 2007; BC-2459 §35, 2004; BC-2237 §2, 2001)16.110.102.5.1Repealed. See 16.110.R102.5.(History: Ord. BC-2936 §168, 2012; BC-2635 §52, 2007; BC-2459 §35, 2004; BC-2237 §2, 2001)16.110.R103Sections R103 through R114 of the 2012 International Residential Code for One- and Two-FamilyDwellings are hereby deleted.(History: Ord. BC-2936 §32, 2012; BC-2635 §53, 2007; BC-2459 §36, 2004; BC-2237 §2, 2001)16.110.120Repealed.(History: Ord. BC-2936 §168, 2012; BC-2635 §54, 2007; BC-2459 §37, 2004; BC-2237 §2, 2001;Source or prior law: Chapter 16.28; BC-1999 §1, 96)16.110.301Repealed. See 16.110.301.2(1).(History: Ord. BC-2459 §187, 2004; BC-2237 §2, 2001; Source or prior law: 16.05.120; BC-2013§20, 97)16.110.R301.2(1)Table No. R301.2(1) of Section 301 of the 2012 International Residential Code for One- and Two-Family Dwellings is hereby amended to read as follows:TABLE R301.2(1)CLIMATIC AND GEOGRAPHIC DESIGN CRITERIAGROUNDSNOWLOADSpeed d(mph)WIND DESIGNTopographicSEISMICDESIGNCATEGORYfSUBJECT TO DAMAGE FROMWeathering a Frost linedepth bWINTERDESIGNTEMP eICE BARRIERUNDERLAYMENTREQUIRED hFLOODHAZARDS gAIRFREEZINGINDEX iMEANANNUALTEMP jTermite c20 90 No A Severe 36” Yes 6° F No 6/17/2002 1000 54.7° FSupp. No. 2013-1 (3-31-13) 16-1801
For SI:1 pound per square foot = 0.0479 kPa, 1 mile per hour = 0.447 m/s.Chapter 16.110a. Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this Code. Theweathering column shall be filled in with the weathering index (i.e., “negligible,” “moderate” or “severe”) for concrete as determined fromthe Weathering Probability Map [Figure R301.2(3)]. The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C90, C 129, C 145, C 216 or C 652.b. The frost line depth may require deeper footings than indicated in Figure R403.l(1). The jurisdiction shall fill in the frost line depth column withthe minimum depth of footing below finish grade.c. The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of localsubterranean termite damage.d. The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(4)A]. Wind exposurecategory shall be determined on a site-specific basis in accordance with Section R301.2.1.4.e. The outdoor design dry-bulb temperature shall be selected from the columns of 97 ½-percent values for winter from Appendix D of theInternational Plumbing Code. Deviations from the Appendix D temperatures shall be permitted to reflect local weather experience asdetermined by the Building Official.f. The jurisdiction shall fill in this part of the table with the Seismic Design Category determined from Section R301.2.2.1.g. The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction’s entry into the National Flood Insurance Program (date ofadoption of the first code or ordinance for management of flood hazard areas), (b) the date(s) of the currently effective FIRMs and FBFM, orother flood hazard map adopted by the community, as may be amended.h. In accordance with Sections R905.2.7.1, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of localdamage from the effects of ice damming, the jurisdiction shall fill in this part of the table with “YES.” Otherwise, the jurisdiction shall fill inthis part of the table with “NO.”i. The jurisdiction shall fill in this part of the table with the100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the100-year (99%) value on the National Climatic Data Center data table “Air Freezing Index- USA Method (Base 32° Fahrenheit)” atwww.ncdc.noaa.gov/fpsf.html.j. The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table “AirFreezing Index- USA Method (Base 32° Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.k. In accordance with Section R301.2.1.5, where there is local historical data documenting structural damage to buildings due to topographicwind speed-up effect, the jurisdiction shall fill in this part of the table with “YES.” Otherwise the jurisdiction shall indicate “NO” in thispart of the table.(History: Ord. BC-2936 §33, 2012; BC-2635 §55, 2007; BC-2459 §38, 2004; BC-2237 §2, 2001;Source or prior law: 16.05.120; BC-2013 §20, 97)16.110.R301.5Table R301.5 of the 2012 International Residential Code for One- and Two-Family Dwellings ishereby amended to read as follows:Table R301.5MINIMUM UNIFORMLY DISTRIBUTED LIVE LOADS(in pounds per square foot)USELIVE LOADAttics without storage b 10Attics with limited storage b,g,h 20Balconies (exterior) and decks e 40Fire Escapes 40Guardrails and handrails d200 iGuardrails in-fill components f50 iPassenger vehicle garages a50 aRooms other than sleeping rooms 40Sleeping rooms 30Stairs40 cFor SI: 1 pound per square foot = 0.0479 kPa, 1 square inch = 645 mm 2 , 1 pound = 4.45 N.16-1802 Supp. No. 2012-4 (12-31-12)
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16.110 Residential Code For One- & Two-Family Dwellings

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