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Home My WebLink AboutBLD2022-00292 - WITHDRAWNRECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 20L8 Washington State Energy Code - Residential Prescriptive Energy Code Compliance for All Climate Zones in Washington Single Family - New & Additions teffective February 1,20211 Version 1.0 These requirements apply to all IRC building types, including detached one- and two-family dwellings and multiple single-family dwellings (townhouses). Project lnformotion Contact lnformation 349 Adelma Beach Rd Townsend WA 98368 McClure 596 1 375 wendvmcclurearchitect@qmail.com lnstructions: This single-family project will use the requirements of the Prescriptive Path below and incorporate the minimum values listed. Based on the size of the structure, the appropriate number of additional credits are checked as chosen by the permit applicant. Provide all information from the following tables as building permit drawings: Table R402.1 - lnsulation and Fenestration Requirements by Component, Table R406.2 - Fuel Normalization Credits and 406.3 - Energy Credits. Authorized Re prese ntative -44 -81.(-to-Ddte 2022 All Climate Zones {Table R402.1.1) R-Value " U-Factor ":ffi1',,?::i,'.""" i!,1 3i3 Glazed Fenestration SHGC b'" nla n/a Ceiling "49 0.026 Wood Frame Wall c "21 int 0.056 Floor 30 0.029 Below Grade Wall ',' rcll5/21, int + TB 0.042 Slab dtR-Value & Depth 1,0,2 ft n/a R-values are minimums. U faciors and SHGC are maximums. When insulation is installed in a cavity that is less a than the label or design thickness of the insulation, the compressed R-value of the insulation from Appendix Table A101.4 shall not be less than the R-value specified in the table. b The fenestration U-factor column excludes styf ighii. 'L0/15127 +5TB" means R-10 continuous insulation on ihe exterior of the wall, or R-15 continuous insulation on the interior of the wall, or R-21 cavity insulation plus a thermal break between the slab and the basement wall at c the interior of the basement wall. " lO/15 /21" +5T8" sha ll be perm itted to be met with R-13 cavity insu lation on the interior of the basement wall plus R-5 continuous insulation on the interior or exterior of the wall. "5TB" means R-5 thermal break between floor slab and basement wall. d R-10 continuous insulation ii iequired under heated slab on grade floors. See Section R402.2.9.1. - For single rafter- or jo ist-va u lted ceilings, the insu lation may be red uced to R-38 if the fu ll insu lation depth' extends over the top plate of the exterior wall. R-7.5 continuous insulation installed over an existing slab is deemed to be equivalent to the required perimeter f slab insulation when applied to existing slabs complying with Section R503.1.1. lf foam plastic is used, it shall meet the requirements for therma I barriers protecting foa m plastics. o For log structures developed in compliance with Standard ICC 400, log walls shall meet the requirements forb climote zone 5 of ICC 400. lnt. (intermedrate framing) denotes framing and insulation as described in Section A1,03.2.2 including standard h framing 16 inches on center,78%of the wall cavity insulated and headers insulated with a minimum of R-10 insu lation. Prescriptive Path - Single Family 2018 Washington State Energy Code-R RECEIVED DCD 05/26/2022 2018 Washington State Energy Code - Residential Prescriptive Energy Code Compliance for All Climate Zones in Washington Single Family* New & Additions {effective February LZA21l Each dwelling unit rn a residentiol building shall comply with sufficient options from Table R406.2 (fuel normalization credits) and Table 406.3 (energy credits) to achieve the following minimum number of credits. To claim this credit, the building permit drawings shall specify the option selected and the maximum tested building air leakage, and show the qualifying ventilation system and its control sequence of operation. t. Small Dwelling Unit: 3 cr*dits Dwelling units less than 1,500 sf in conditioned floor area with less than 300 sf of fenestration area. Additions to existing building that are greater than 500 sf of heated floor area but less than 1,500 sf. 2. Medium Dwelling Unit: # crr:siits All dwelling units that are not included in #1 or #3 3. Large Dwelling Unit: I rr*dits Dwelling units exceeding 5,000 sf of conditioned floor area 4. Additions less than 500 square feet: L.5 *r*Sttn All cth*r additia*s shail rneet 1-3 ab*tr* Before selecting your credits on this Summary table, review the details in Table 406.3 (Single Family), on page 4. Summary of Table R406.2 l"1:inc Fuel Normalization DescriptionsOptions 1 Combustion heating minimum NAECAb 2 Heat pump' 3 Electric resistance heat only - furnace or zonal 4 DHP with zonal electric resistance per option 3.4 5 All other heating systems Energy Options L.L 1.2 1.3 L.4 1tr1.J 1.6 1-7 2.1 2,2 3.4 3.5 3.6'. 4.1 4.2 Credits - select ONE heating option0.0 tr L.0 -1.0 0.5 -1.0 Credits - select ONE energy option from each category d 0.5 1.0 0.5 1.0 2.O 3.0 0.5 0.5 1.0 1.5 2.O 1.0 1.0 1.5 1.5 1.5 2.0 0.5 1.0 User Notes replace existing electrictr n tr tr nnn nn tr En Entl n tr tr E E n tr tl tr tr tr u 2.4 3. 1'. 3.2 Energy Credit Option Descriptions Efficient Building Envelope Efficient Building Envelope Efficient Building Envelope Efficient Building Envelope Efficient Building Envelope Efficient Building Envelope Efficient Bu ilding Envelope Air Leakage Control and Efficient Ventilation Air Leakage Control and Efficient Ventilation Air Leakage Control and Efficient Ventilation Air Leakage Control and Efficient Ventilation High Efficiency HVAC High Efficiency HVAC High Efficiency HVAC Hrgh Efficiency HVAC High Efficiency HVAC High Efficiency HVAC High Efficiency HVAC Distribution System High Efficiency HVAC Distribution System Prescriptive Path - Single Family 2018 Washington State Energy Code-R RECEIVED DCD 05/26/2022 Energy Options 2018 Washington State Energy Code - Residential Prescriptive Energy Code Compliance for All Climate Zones in Washington Single Family - New & Additions (effective February 1,20211 Summary of Table R405.2 (cont.) ereaiii - select ONE Energy Credit Option Descriptions (cont.)energy option from each category d o.s tro.s - 1.0 tr1.s tr2.0 trtl 2.s tr -10 l l0.s n User Notesm5.1d Efficient Water Heating 5.2 Efficient Water Heating 5.3 Efficient Water Heating 5.4 Efficient Water Heating 5.5 Efficient Water Heating 5.6 Efficient Water Heating 6.1" Renewable Electric Energy (3 credits max) T.L Appliance Package a. b. c. d. Total Credits An alternative heating source sized at a maximum of 0.5 W/sf (equivalent) of heated floor area or 500 W, whichever is bigger, may be installed in the dwelling unit. Equipment listed in Table C403.3.2(41 or C4O3.3.2(5) Equipment listed in Table C403.3.2(1) or C403.3.2(2) You cannot select more than one option from any category EXCEPT in category 5. Option 5.1 may be combined with options 5.2 through 5.6. See Table 406.3. e. 1.0 credit for each 1,200 kwh of electrical generation provided annually, up to 3 credits max. See the complete Table R406.2 for all requirements and option descriptions. f. Use the single radiobutton in the upper right of the second column to deselect radiobuttons in that group. ff*ase print *nly $:*Se$ t thr:cugh 3 uf thi* vderk$h#et far pubrni*cicn to yc*r huilding offi#ial. Prescriptrve Path - Single Family 20'18 Washington State Energy Code-R RECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 RECEIVED BY DCD 6/14/22 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED BY DCD 5/26/2022 RECEIVED DCD 05/26/2022 RECEIVED DCD 05/26/2022 For the best experience, open this PDF portfolio in Acrobat X or Adobe Reader X, or later. Get Adobe Reader Now!