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Prescriptive Energy Code Compliance for All Climate Zones in Washington <br />Project Information Contact Information <br />Lee Residence - Fire Damage Repair & Add'n GK Structural Engineering, LLC <br />4328 Forest Dr 147031st Lane NE, #205 <br />Everett, WA 98203 Duvall, WA 98019 <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-Value' <br />LI-Factor' <br />Fenestration U-Factorb <br />n/a <br />0.30 <br />Skylight U-Factor <br />n/a <br />0.50 <br />Glazed Fenestration SHGCb,e <br />n/a <br />n/a <br />Ceilingk <br />491 <br />0.026 <br />Wood Frame Wal19`n <br />21 int <br />0.056 <br />Mass Wall R-Value' <br />21/21h <br />0.056 <br />Floor <br />309 <br />0.029 <br />Below Grade Wall°" <br />10/15/21 int + TB <br />0.042 <br />Slabd R-Value & Depth <br />10, 2 ft <br />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 1500I <br />square feet. <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 <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 />Additions less than 500 square feet:.5 credits <br />Table R406.2 Summary <br />Option Description <br />Credit(s) <br />1a <br />Efficient Building Envelope I <br />0.5 <br />1 b <br />Efficient Building Envelope 1 b <br />1.0 <br />I <br />Efficient Building Envelope 1c <br />2.0 <br />1d <br />Efficient Building Envelope 1d <br />0.5 <br />2a <br />Air Leakage Control and Efficient Ventilation 2a <br />0.5 <br />2b <br />Air Leakage Control and Efficient Ventilation 2b <br />1.0 <br />2c <br />Air Leakage Control and Efficient Ventilation 2c <br />1.5 <br />3a <br />High Efficiency HVAC 3a <br />1.0 <br />3b <br />High Efficiency HVAC 3b <br />1.0 <br />3c <br />High Efficiency HVAC 3c <br />1.5 <br />3d <br />High Efficiency HVAC 3d <br />1.0 <br />4 <br />High Efficiency HVAC Distribution System <br />1.0 <br />5a <br />Efficient Water Heating 5a <br />0.5 <br />5b <br />Efficient Water Heating 5b <br />1.0 <br />5c <br />Efficient Water Heating 5c <br />1.5 <br />5d <br />Efficient Water Heating 5d <br />0.5 <br />6 <br />1 Renewable Electric Energy <br />0.5 <br />El <br />❑� <br />❑ <br />El <br />*1200 kwh <br />Total Credits <br />*Please refer to Table R406.2 for complete option descriptions <br />0.5 <br />1.0 <br />0.5 <br />1.5 <br />0.0 <br />3.50 <br />