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REVIEWED-BLD2022-1324+Energy_Calculations+9.30.2022_5.33.08_PM+3140025Washington State Energy Code Application BUSHNELL ENERGY CONSULTING BLD2022-1324 Prepared by: Bushnell Energy Consulting RESNET Rater ID: 3124142 RECEIVED RESNET Provider: I BVMW Nov 16 2022 WSU Energy Program Provider ID: 1998-100 • 0 CITY OF EDMONDS DEVELOPMENT SERVICES DEPARTMENT Haider Addition House site: 915 Brookmere Street Edmunds, WA 98020 CFA = 2,768 S.F. Table 406.2 & 406.3 Required Energy Credits 6.0 Confirmation of required Jurisdiction heat load calculating tool. Question sent to City of Edmonds: Does City of Edmonds allow the usage of all three -heat load calculating tools that are posted on the WSU Energy Program web site? WSU C3 Code calculator, Better Built HVAC sizing tool, Prescriptive spread sheet heat sizing calculator From: Akau, Donovan <Donovan.Akau@edmondswa.gov> Sent: Tuesday, August 16, 2022 2:44 PM To: John Bushnell <zeroenergyhomes@becenergy.net> Subject: RE: Energy Code Application for Addition We would except any of the three Donovan Akau (he/him)l Plans Examiner City of Edmonds 425-771-0220, ext 1256 donovan.akau(cDedmondswa.gov Fuel Normalization Credits Table R406.2 SYSTEM TYPE 2: 1.0 Energy Credits For an initial heating system using a heat pump that meets federal standards for the equipment listed in Table C403.3.2(1)C or C403.3.2(2) 1407 S Ferdinand Dr, Tacoma, WA 98405 • 253.549.5858 • www.bushnellenergyconsuIting.com Washington State Energy Code Application BUSHNELL ENERGY CONSULTING Option 1.3 Prepared by: Bushnell Energy Consulting RESNET Rater ID: 3124142 RESNET Provider: WSU Energy Program Provider ID: 1998-100 0.5 Energy Credits Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U = 0.28 Floor R-38 Slab on grade R-10 perimeter and under entire slab Below grade slab R-10 perimeter and under entire slab Option 2.1 0.5 Energy Credits Compliance based on R402.4.1.2: Reduce the tested air leakage to 3.0 air changes per hour maximum at 50 Pascals or For R-2 Occupancies, optional compliance based on Section R402.4.1.2: Reduce the tested air leakage to 0.3 cfm/ft2 maximum at 50 Pascals and All whole house ventilation requirements as determined by Section M1507.3 of the International Residential Code or Section 403.8 of the International Mechanical Code shall be met with a high efficiency fan(s) (maximum 0.35 watts/cfm), not interlocked with the furnace fan (if present). Ventilation systems using a furnace including an ECM motor are allowed, provided that they are controlled to operate at low speed in ventilation only mode. To qualify to claim this credit, the building permit drawings shall specify the option being selected, the maximum tested building air leakage, and shall show the qualifying ventilation system and its control sequence of operation. 1407 S Ferdinand Dr, Tacoma, WA 98405 • 253.549.5858 • www.bushnellenergyconsuIting.com Washington State Energy Code Application BUSHNELL ENERGY CONSULTING Option 3.6 Prepared by: Bushnell Energy Consulting RESNET Rater ID: 3124142 RESNET Provider: WSU Energy Program Provider ID: 1998-100 2.0 Energy Credits Ductless split system heat pumps with no electric resistance heating in the primary living areas. A ductless heat pump system with a minimum HSPF of 10 shall be sized and installed to provide heat to entire dwelling unit at the design outdoor air temperature. To qualify to claim this credit, the building permit drawings shall specify the option being selected, the heated floor area calculation, the heating equipment type(s), the minimum equipment efficiency, and total installed heat capacity (by equipment type). Option 5.4 Tier 1 HPWH 1.5 Energy Credits Electric heat pump water heater meeting the standards for Tier I of NEEA's advanced water heating specification To qualify to claim this credit, the building permit drawings shall specify the option being selected and shall specify the water heater equipment type and the minimum equipment efficiency. 000000000000000000000000000000000000 1407 S Ferdinand Dr, Tacoma, WA 98405 • 253.549.5858 • www.bushnellenergyconsuIting.com Washington State Energy Code Application BUSHNELL ENERGY CONSULTING Option 7.1 Prepared by: Bushnell Energy Consulting RESNET Rater ID: 3124142 RESNET Provider: WSU Energy Program Provider ID: 1998-100 0.5 Energy Credits All of the following appliances shall be new and installed in the dwelling unit and shall meet the following standards: Dishwasher — Energy Star rated Refrigerator (if provided) — Energy Star rated Washing machine — Energy Star rated Dryer — Energy Star rated, ventless dryer with a minimum CEF rating of 5.2. To qualify to claim this credit, the building permit drawings shall specify the option being selected and shall show the appliance type and provide documentation of Energy Star compliance. At the time of inspection, all appliances shall be installed and connected to utilities. Dryer ducts and exterior dryer vent caps are not permitted to be installed in the dwelling unit. 1407 S Ferdinand Dr, Tacoma, WA 98405 • 253.549.5858 • www.bushnellenergyconsuIting.com Alterations Worksheet - 2018 Washington State Energy Code Project Information Contact Information Haider Addition 915 Brookmere Street Edmunds, WA 98020 Tracy Ronaldson for AlRD, LLC The WSEC requirements for alterations are located in Chapter 5 of the code text. Alterations (remodels) do not need to obtain energy credits from Table R406.3 Additions must meet the requirements for new construction. This includes nonconditioned space being altered to become conditioned space. Will the wall cavities be exposed? Fv- Yes F No If yes: Exposed wall cavities must be insulated - 2 X 4 wall studs require R-15 insulation 2 X 6 wall studs require R-21 insulation Will the roof/ceiling framing cavities or attic be exposed? Fv— Yes F No If yes: Exposed roof/ceiling assemblies must be insulated - Vaulted ceilings: Insulate to the full depth of the framing member while allowing for the minimum 1" ventilated space Flat ceilings Will the floor framing cavities be exposed? Install R-49 insulation or what the attic space can accommodate based on the roof pitch F Yes F,-, No If yes: Exposed floor cavities must be insulated to R-30 Are the windows and/or doors being replaced? Fv- Yes F No (includes both window or door and frames) If yes: New windows and doors must have an area weighted average U-factor of <_0.30 Will the heating or cooling system be replaced? 5,- Yes F No If yes: New equipment must meet current requirements and ducts need to be tested Will the hot water system be altered? Fv- Yes F No If yes: New water heating equipment must meet current code requirements Are more than 50% of the light fixtures being changed? - Yes F No If yes: 90% of all lamps must be high efficacy (LED or CFL) R503.1.1 Building envelope. Building envelope assemblies that are part of the alteration shall comply with Section R402.1.1 or R402.1.4, Sections R402.2.1 through R402.2.11, R402.3.1, R402.3.2, R402.4.3 and R402.4.4. Exception: The following alterations need not comply with the requirements for new construction provided the energy use of the building is not increased: 1. Storm windows installed over existing fenestration. 2. Existing ceiling, wall or floor cavities exposed during construction provided that these cavities are filled with insulation. 2x4 framed walls shall be insulated to a minimum of R-15 and 2x6 framed walls shall be insulated to a minimum of R-21. Construction where the existing roof, wall or floor cavity is not exposed. Roof recover. 5. Roofs without insulation in the cavity and where the sheathing or insulation is exposed during reroofing shall be insulated either above or below the sheathing. 6. Surface -applied window film installed on existing single pane fenestration assemblies to reduce solar heat gain provided the code does not require the glazing fenestration to be replaced. R503.1.1.1 Replacement fenestration. Where some or all of an existing fenestration unit is replaced with a new fenestration product, including sash and glazing, the replacement fenestration unit shall meet the applicable requirements for U-factor and SHGC in Table R402.1.1. Where more than one replacement fenestration unit is being installed, an area -weighted average of the U-factor and SHGC of all replacement fenestration shall be permitted to be used to demonstrate compliance. R503.1.2 Heating and cooling systems. New heating, cooling and duct systems that are part of the alteration shall comply with Section R403. Exceptions: 1. Where ducts from an existing heating and cooling system are extended, duct systems with less than 40 linear feet in unconditioned spaces shall not be required to be tested in accordance with Section R403.2.2. 2. Existing duct systems constructed, insulated or sealed with asbestos. R502.1.1.2 Heating and cooling systems. New heating, cooling and duct systems that are part of the addition shall comply with Section R403. Exception: The following need not comply with the testing requirements of Section R403.3.3: 1. Additions of less than 750 square feet. Duct systems that are documented to have been previously sealed as confirmed through field verification and diagnostic testing in accordance with procedures in WSU RS-33. 3. Ducts with less than 40 linear feet in unconditioned spaces. 4. Existing duct systems constructed, insulated or sealed with asbestos. R503.1.3 Service hot water systems. New service hot water systems that are part of the alteration shall comply with Section R403.5. R503.1.4 Lighting. New lighting systems that are part of the alteration shall comply with Section R404.1. Exception: Alterations that replace less than 50 percent of the luminaires in a space, provided that such alterations do not increase the installed interior lighting power. R503.2 Change in space conditioning. Any nonconditioned or low -energy space that is altered to become conditioned space shall be required to be brought into full compliance with this code. Window, Skylight and Door Schedule Project Information Contact Information Haider Addition Tracy Ronaldson for AIRD, LLC 915 Brookmere Street Edmunds, WA 98020 206.501.3038 info@alexandrimmeldesign.com Ref. U-factor Exempt Swinging Door (24 sq. ft. max.) 1 10.40 Exempt Glazed Fenestration (15 sq. ft. max.) 1 10.40— Vertical Fenestration (Windows and doors) Component Description Ref. U-factor NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Window 0.28 NFRC Rated Door 0.28 NFRC Rated Door 0.28 NFRC Rated Door 0.28 Width Height Qt. Feet Inch Feet Inch ° ° 1 3 17 1 12 18 4 16 Width Height Qt. Feet Inch Feet Inch ©©E=� MMEME =MEMO MMEME MMEME MMEME =MEMO MMEME EN©EMO MMEME ENMEMO MMEME MMEME MMEME MMEME ©©©ME MMEME MMEME ©MEMO MMEME @MEME M.M. MMEMEI M.M. MMEME� M.M. M.M. M.M. M.M. IMEME� M.M. M.M. M.M. U1�1�IL'1 21.0 8.40 12.0 4.80 Area UA •11� •11� :1 •11� MEW •11� 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 Sum of Vertical Fenestration Area and UA Vertical Fenestration Area Weighted U = UA/Area Overhead Glazing (Skylights) Component Description Het. U-tactor NFRC Rated Skylight 0.50 NFRC Rated Skylight 0.50 Width Height Ot. Feet Inch Feet Inch M©E©E MME©E --E-E Sum of Overhead Glazing Area and UA Overhead Glazing Area Weighted U = UA/Area Total Sum of Fenestration Area and UA (for heating system sizing calculations) 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 11 111 663.8 185.87 0.28 /_1�1�IL'1 . 11 11 111 11 111 11 111 11 111 W • 11 1 I 1 714.8 208.07 simple Beating system Size: wasnington State This heating system sizing calculator is based on the Prescriptive Requirements of the 2018 Washington State Energy Code (WSEC) and ACCA Manuals J and S. This tool will calculate heating loads only. ACCA procedures for sizing cooling systems should be used to determine cooling loads. Please complete the green drop -downs and boxes that are applicable to your project. As you make selections in the drop -downs for each section, some values will be calculated for you. If you do not see the selection you need in the drop -down options, please contact the WSU Energy Program at energycode@energy.wsu.edu or (360) 956-2042 for assistance. Project Information Contact Information Haider Addition ITracy Ronaldson for AIRD, LLC 915 Brookmere Street Edmunds, WA 98020 206.501.3038 Heating System Type: O All Other systems OO Heat Pump To see detailed instructions for each section, place your cursor on the word 'Instructions" Design Temperature Instructions Design Temperature Difference (AT) Edmonds AT= Indoor (70 degrees) - Outdoor Design Temp Area of Building Conditioned Floor Area Instructions Conditioned Floor Area (sq ft) 2,768 Average Ceiling Height Conditioned Volume Instructions Average Ceiling Height (ft) 9.1 25,191 Glazing and Doors U-Factor X Area = UA Instructions u-o.za J 0.280 697 195.10 Skylights U-Factor X Area = UA Instructions 0.50 18 9.00 Insulation Attic U-Factor X Area = UA Instructions R 49 � I 0.026 J 320 8.32 Single Rafter or Joist Vaulted Ceilings U-Factor X Area UA Instructions L R-38 Vented I 0.027 1 1,971 53.21 Above Grade Walls (see Figure 1) U-Factor X Area UA Instructions L R-21 Intermediate � 0.056 3,332 186.60 Floors U-Factor X Area UA I R-38 1 0.025 641 16.03 Below Grade Walls (see Figure 1) U-Factor X Area UA Continuous Exterior 0.064 40 2.56 `R-10 Slab Below Grade (see Figure t) F-Factor X Length UA LR-5 Thermal I 0.570 20 11.40 Break at slab edge J Slab on Grade (see Figure 1) F-Factor X Length UA Instructions R-10 Perimeter � 0.540 164 88.56 Location of Ducts Instructions Duct Leakage Coefficient No Ducts 1.00 Sum of UA 570.79 Figure 1. Above Grade 46 Envelope Heat Load 26,256 Btu / Hour Sum of UA x AT Air Leakage Heat Load 12,515 Btu / Hour Volume x 0.6 x AT x 0.018 Building Design Heat Load 38,771 Btu / Hour Air leakaqe + envelope heat loss Building and Duct Heat Load 38,771 Btu / Hour Ducts in unconditioned space: sum of buildino heat loss x 1.10 Ducts in conditioned space: sum of building heat loss x 1 Maximum Heat Equipment Output 48,464 Btu / Hour Building and duct heat loss x 1.40 for forced air furnace Buildino and duct heat loss x 1.25 for heat pump (07101113) 2018 Washington State Energy Code - Residential Prescriptive Energy Code Compliance for All Climate Zones in Washington Sinele Familv — New & Additions (effective February 1, 2021) Version 1.1 These requirements apply to all IRC building types, including detached one- and two-family dwellings and multiple single-family dwellings (townhouses). Project Information Contact Information Haider Addition Fracy Ronaldson for AIRD, LLC 915 Brookmere Street Edmunds, WA 98020 F2O6 501 3038 Instructions: 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- Insulation and Fenestration Requirements by Component, Table R406.2 - Fuel Normalization Credits and 406.3 - Energy Credits. Authorized Representative Date All Climate Zones Table R402.1.1 R-Value a U-Factor a Fenestration U-Factor b n/a 0.30 Skylight U-Factor b n/a 0.50 Glazed Fenestration SHGC bje n/a n/a Ceiling a 49 0.026 Wood Frame Wall g,h 21 int 0.056 Floor 30 0.029 Below Grade Wall c,h 10/15/21 int + TB 0.042 Slab d,f R-Value & Depth 10, 2 ft n/a R-values are minimums. U-factors 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. The fenestration U-factor column excludes skylights. b "10/15/21 +5TB" means R-10 continuous insulation on the 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. "10/15/21 +5TB" shall be permitted to be met with R-13 cavity insulation 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 is required under heated slab on grade floors. See Section R402.2.9.1. For single rafter- orjoist-vaulted ceilings, the insulation may be reduced to R-38 if the full insulation depth e 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. If foam plastic is used, it shall meet the requirements for thermal barriers protecting foam plastics. For log structures developed in compliance with Standard ICC 400, log walls shall meet the requirements for g climate zone 5 of ICC 400. Int. (intermediate framing) denotes framing and insulation as described in Section A103.2.2 including standard h framing 16 inches on center, 78% of the wall cavity insulated and headers insulated with a minimum of R-10 insulation. Prescriptive Path - Single Family 2018 Washington State Energy Code-R 2018 Washington State Energy Code - Residential Prescriptive Energy Code Compliance for All Climate Zones in Washington Single Family - New & Additions (effective February 1, 2021) Each dwelling unit in a residential 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. 1. Small Dwelling Unit: 3 credits 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: 6 credits All dwelling units that are not included in #1 or #3 3. Large Dwelling Unit: 7 credits Dwelling units exceeding 5,000 sf of conditioned floor area 4. Additions less than 500 square feet: 1.5 credits All other additions shall meet 1-3 above 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 and 406.3 Heating Options P Fuel Normalization Descriptions Credits - select ONE heating option User Notes 1 Combustion heating minimum NAECAb 0.0 ❑ 2 Heat pump` 1.0 0 3 Electric resistance heat only - furnace or zonal -1.0 ❑ 4 DHP with zonal electric resistance per option 3.4 0.5 ❑ 5 All other heating systems -1.0 ❑ Energy Credits - select ONE Options Energy Credit Option Descriptions energy option from each P category 1.1 Efficient Building Envelope 0.5 ❑ 1.2 Efficient Building Envelope 1.0 ❑ 1.3 Efficient Building Envelope 0.5 0 1.4 Efficient Building Envelope 1.0 ❑ 1.5 Efficient Building Envelope 2.0 ❑ 1.6 Efficient Building Envelope 3.0 ❑ 1.7 Efficient Building Envelope ❑ 0.5 ❑ 2.1 Air Leakage Control and Efficient Ventilation 0.5 0 2.2 Air Leakage Control and Efficient Ventilation 1.0 ❑ 2.3 Air Leakage Control and Efficient Ventilation 1.5 ❑ 2.4 Air Leakage Control and Efficient Ventilation Li 2.0 ❑ 3.1- High Efficiency HVAC 1.0 ❑ 3.2 High Efficiency HVAC 1.0 ❑ 3.3- High Efficiency HVAC 1.5 ❑ 3.4 High Efficiency HVAC 1.5 ❑ 3.5 High Efficiency HVAC 1.5 ❑ 3.68 High Efficiency HVAC 2.0 0 4.1 High Efficiency HVAC Distribution System 0.5 ❑ 4.2 High Efficiency HVAC Distribution System 1.0 ❑ Prescriptive Path - Single Family 2018 Washington State Energy Code-R 2018 Washington State Energy Code — Residential Prescriptive Energy Code Compliance for All Climate Zones in Washington Single Family — New & Additions (effective February 1, 2021) Summary of Table Energy Credit Option Descriptions (cont.) Efficient Water Heating Efficient Water Heating Efficient Water Heating R406.2 (cont.) Energy Options Credits - select ONE energy option from each category d 5.1d 0.5 ❑ 5.2 0.5 ❑ 5.3 1.0 ❑ 5.4 Efficient Water Heating 1.5 0 5.5 Efficient Water Heating 2.0 ❑ 5.6 Efficient Water Heating 2.5 ❑ 6.1e Renewable Electric Energy (3 credits max) 1.0 0 7.1 Appliance Package 0.5 0 User Notes Total Credits I 1 6.0 IlCalculate Totall I Clear Form a. 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. b. Equipment listed in Table C403.3.2(4) or C403.3.2(5) c. Equipment listed in Table C403.3.2(1) or C403.3.2(2) d. 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. Please print only pages 1 through 3 of this worksheet for submission to your building official. For Building Officials Only Prescriptive Path — Single Family 2018 Washington State Energy Code-R 3