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2u18 Washington State Energy Code-Residential <br /> Prescriptive Energy Code Compliance for All Climate Zones in Washington <br /> Single Family-New&Additions(effective February 1,2021) version 1.1 <br /> These requirements apply to all IRC building types, including detached one- and two-family <br /> dwellings and multiple single-family dwellings(townhouses). <br /> Project Information - Contact Infonn_a_ti_o_n - <br /> Richard Sullivan Basement Dwelling Unit Addition <br /> Instructions:This single-family project will use the requirements of the Prescriptive Path below and <br /> incorporate the minimum values listed. Based on the size of the structure,the appropriate number of <br /> additional credits are checked as chosen by the permit applicant. <br /> Provide ail information from the following tables as building permit drawings:Table R402.1-Insulation and <br /> Fenestration Requirements by Component,Table R406.2-Fuel Normalization Credits and 406.3- Energy Credits. <br /> Authorized Representative Date <br /> Ail Climate Zones Table R402.1.1) <br /> R-_Value' _ U-Factor a <br /> Fenestration U-Factor b n/a 0.30 <br /> Skylight U-Factor b - n/a - --0 <br /> 0.50 _ <br /> Glazed Fenestration SHGC be n/a n/a <br /> Ceiling° 49 - --- 0.026 <br /> Wood Frame Wall ' 21 int 0.056 <br /> Floor - 30 --- 0.029 <br /> Below Grade Wall 1,1 _ 10/1_5/21 int+TB 04242 <br /> _ 2 ft- --- — <br /> Slab dfR--Value&Depth 10, n/a <br /> R-values are minimums. U-factors and SHGC are maximums.When insulation is installed in a cavity that is less <br /> a than the label or design thickness of the insulation,the compressed R-value of the insulation from Appendix <br /> Table A101.4 shall not be less than the R-value specified in the table. <br /> b The fenestration U factor column excludes skylights. _ <br /> "10/15/21+5TB"means R-10 continuous insulation on the exterior of the wall,or R-15 continuous insulation on <br /> the interior of the wall, or R-21 cavity insulation plus a thermal break between the slab and the basement wall at <br /> c the interior of the basement wall."10/15/21+5TB"shall be permitted to be met with R-13 cavity insulation on <br /> the interior of the basement wall plus R-5 continuous insulation on the interior or exterior of the wall."5TB" <br /> means R-5 thermal break between floor slab and basement wall. <br /> d R-10 continuous insulation is required under heated slab on grade floors.See Section R402.2.9.1. _ <br /> For single rafter-or joist-vaulted ceilings,the insulation may be reduced to R-38 if the full insulation depth <br /> e extends overthe top plate of the exterior wall. _ <br /> R-7.5 continuous insulation installed over an existing slab is deemed to be equivalent to the required perimeter <br /> f slab insulation when applied to existing slabs complying with Section R503.1.1.If foam plastic is used,it shall <br /> meet the requirements for thermal barriers protecting foam plastics. <br /> For log structures developed in compliance with Standard ICC 4 00,log­walls shall meet the requirements for <br /> g climate zone 5 of ICC 400. <br /> Int. (intermediate framing)denotes framin and insulation as described in Section A 3 �• `instandard g 10.,.2.2 inc„u����g <br /> h framing 16 inches on center,78%of the wall cavity insulated and 'headers insulated with a minimum of R-10 <br /> insulation. <br /> p LCEUVE <br /> J U N 2 9 2023 <br /> Prescriptive Path-Single Family 2018 Washington State Energy Code-R CITY OF EVEREITT <br /> Permit Services <br />