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Prescriptive Energy Code Compliance for All Climate Zones in Washington <br /> Project Information Contact Informatio <br /> I Marie Ander:: Nash & Asso. Architects <br /> 1744 (425) 242-7491 <br /> 8/31/18. Marie@Nash-Architects.com <br /> This project will use the requirements of the Prescriptive Path below and incorporate the <br /> the minimum values listed. In addition, based on the size of the structure, the appropriate <br /> number of additional credits are checked as chosen by the permit applicant. <br /> Authorized Representative Date <br /> All Climate Zones <br /> R-Valued U-Factor' <br /> Fenestration U-Factor" n/a 0.30 <br /> Skylight U-Factor n/a 0.50 <br /> Glazed Fenestration SHGC°e n/a n/a <br /> Ceiling" 49' 0.026 <br /> Wood Frame Wall '' 21 int 0.056 <br /> Mass Wall R-Value 21/21" 0.056 <br /> Floor 30g 0.029 <br /> Below Grade Wall'' 10/15/21 int+TB 0.042 <br /> Slab" R-Value& Depth 10, 2 ft n/a <br /> *Table R402.1.1 and Table R402 1.3 Footnotes included on Page 2. <br /> Each dwelling unit in a residential building shall comply with sufficient options from Table R406.2 so as to achieve <br /> the following minimum number of credits: <br /> 1.Small Dwelling Unit: 1.5 credits <br /> Dwelling units less than 1500 square feet in conditioned floor area with less than 300 square feet of fenestration <br /> area. Additions to existing building that are greater than 500 square feet of heated floor area but less than 1500 <br /> square feet. <br /> 22. Medium Dwelling Unit: 3.5 credits <br /> All dwelling units that are not included in#1 or#3. Exception: Dwelling units serving R-2 occupancies shall <br /> require 2.5 credits. <br /> 3. Large Dwelling Unit: 4.5 credits <br /> Dwelling units exceeding 5000 square feet of conditioned floor area. <br /> 14. Additions less than 500 square feet: .5 credits <br /> Table R406.2 Summary <br /> Option Description Credit(s) <br /> la Efficient Building Envelope 1a 0.5 •E 0.5 <br /> 1 b Efficient Building Envelope 1 b 1.0 <br /> lc Efficient Building Envelope lc 2.0 LJ <br /> 1 d Efficient Building Envelope 1 d 0.5 <br /> 2a Air Leakage Control and Efficient Ventilation 2a 0.5 <br /> 2b Air Leakage Control and Efficient Ventilation 2b 1.0 <br /> 2c Air Leakage Control and Efficient Ventilation 2c 1 5 �] <br /> 3a High Efficiency HVAC 3a 1.0 1.0 <br /> 3b High Efficiency HVAC 3b 1 0 U <br /> • <br /> 3c High Efficiency HVAC 3c 1.5 ❑ <br /> 3d High Efficiency HVAC 3d 1 0 <br /> 4 High Efficiency HVAC Distribution System 1.0 <br /> 5a Efficient Water Heating 5a 0.5 [] 0.5 <br /> 5b Efficient Water Heating 5b 1.0 L <br /> 5c Efficient Water Heating 5c 1.5 Q 1.5 <br /> 5d Efficient Water Heating 5d 0.5 <br /> 6 Renewable Electric Energy 0.5 1200 kwh 0.0 <br /> Total Credits 3.50 <br /> *Please refer to Table 8406.2 for complete option descriptions <br />