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Prescriptive Energy Code Cdiliance for All Climate Zones in Washin <br /> Project Information Contact lnforma ion <br /> Caroline & Jeff Mason Flat Rock Productions <br /> 1020 North Park Drive PO Box 1087 Langley, WA 98260 <br /> Everett, WA 360.221.4122 eflat@flatrockproductions <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-Valuea U-Factor3 <br /> Fenestration U-Factorb n/a 0.30 <br /> Skylight U-Factor n/a 0.50 <br /> Glazed Fenestration SHGCb,e n/a n/a <br /> Ceilingk 49J 0.026 <br /> Wood Frame Wallg•m'd 21 int 0.056 <br /> Mass Wall R-Value' 21/21h 0.056 <br /> Floor 30g 0.029 <br /> Below Grade Walla' 10/15/21 int + TB 0.042 <br /> Slabd 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 huildign shall comply with sufficient options from Table R406.2 so as to achieve the <br /> following minimum number of credits: <br /> 1. Small Dwelling Unit: 1.5 credits <br /> ElDwelling 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 /> sot larP.fP.P.t <br /> 02. 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 require <br /> 2.5 credits. <br /> C3. Large Dwelling Unit: 4.5 credits <br /> Dwelling units exceeding 5000 square feet of conditioned floor area. <br /> T74. Additions less than 500 square feet: .5 credits <br /> Table R406.2 Summary <br /> Option Description Credit(s) <br /> la Efficient Building Envelope la 0.5 <br /> lb Efficient Building Envelope lb 1.0 <br /> 1c Efficient Building Envelope 1c 2.0 _ <br /> ld Efficient Building Envelope 1d 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 <br /> 3b High Efficiency HVAC 3b 1.0 <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 <br /> 5b Efficient Water Heating 5b 1.0 1.0 <br /> 5c Efficient Water Heating 5c 1.5 <br /> 5d Efficient Water Heating 5d 0.5 <br /> 6 Renewable Electric Energy 0.5 *1200 kwh 0.0 <br /> Total Credits 1.00 <br /> *Please refer to Table R406.2 for complete option descriptions <br />