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2018 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 1.0 <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 Information <br /> Bement Addition IRVJ PERMITCONSULTING ronjacobson65@gmail.com <br /> 1613 Orca View Ln, Everett,Wa 98203-1671 17223 174th Ave SE,Renton,Wa.98058 206-510-5931 <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 all 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 /> All Climate Zones(Table R402.1.1) <br /> R-Valuea U-Fa Lora <br /> Fenestration U-Factor b n/a 01 0 f I ; ) 2 <br /> Skylight U-Factor b n/a 0. 0 <br /> Glazed Fenestration SHGC b,e _ n/a / " RETT <br /> Ceiling e 49 0.026 - ces <br /> Wood Frame Wall wh 21 int 0.056 <br /> Floor ------ ------ 30 -----_ -- — 0.029 <br /> Below Grade Wall`'h 10/15/21 int+TB 0.042 <br /> Slab df R-Value&Depth 10,2 ft 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. "SIB" <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 over the 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 1 <br /> f i 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 400,log walls shall meet the requirements for <br /> g climate zone 5 of ICC 400. <br /> Int.(intermediate framing)denotes framing and insulation as described in Section A103.2.2 including standard <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 /> Prescriptive Path—Single Family 2018 Washington State Energy Code-R 1 <br />