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Site II;/Address: Irving Reside H PerCwt ZG 40c` <br /> • 5817 Lowell FiUkA, Everett, WA <br /> 2009 WSEC Residential Additions Worksheet <br /> Purpose: This worksheet demonstrates compliance for a proposed addition where heat loss improvements in the existing home <br /> receive credit toward compliance. Perform a Chapter 5 Component Performance calculation only on the addition before using <br /> this form. <br /> Note: This worksheet is only applicable for additions under 750 ft2, all other additions must show full WSEC compliance as a <br /> stand alone project. <br /> MAIN WORKSHEET <br /> 1 PROPOSED UA VALUE (from Chapter 5: Component Performance Worksheet) 115 <br /> 2 TARGET UA VALUE from Chapter 5: Component Performance Worksheet 58 <br /> 3 Addition heat loss deficit (box 1 minus box 2) 57 <br /> 4 Existing home improvement credit (compute total credits below 86 <br /> ADDITION COMPLIES IF BOX 41S GREATER THAN BOX 3 <br /> Existing Dwe ling Improvement Credit Calculations <br /> Existing home <br /> Change Area (Ft2) U-factor UA improvement <br /> credit <br /> Existing lazin <br /> art ( I s( uW11,#tVed 13J p 130 127 <br /> 0 <br /> 0 <br /> Re lacement lazin <br /> New Dual Glazed, Low E, Argon Filled 139 0.300 42 86 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> 0 <br /> Existin insulation <br /> 0 <br /> Floor <br /> 0 <br /> 0 <br /> Ceiling <br /> 0 <br /> 0 <br /> Wall <br /> 0 <br /> New insulation 0 <br /> Floor 0 <br /> 0 <br /> Ceiling 0 <br /> 0 <br /> Wall 0 <br /> 0 <br /> Total Credits 86 <br /> Existing Home U-FaCtOrS (Refer to the 2009 WSEC, Chapter 10, for all U-factors not listed below.) <br /> Building Envelope Values: Existing (untested)glazing default values: <br /> Ceilings w/no insulation U =0.30 Single Pane U = 1.2 <br /> Floors w/no insulation U =0.134 Double Pane(metal frame) U =0.92 <br /> Walls w/no insulation U =0.31 Double Pane w/vinyl or wood sash U =0.63 <br /> Glass Blocks U=0.51 rtes—d 01124001 t W—h,10—SIM,.lkxvercdy Extenemn 1:neryy Program Addfm199/dnC IM690 <br /> Plan Review(For official use only) <br /> The selected Option is appropriate for this dwelling design. YES U NO U <br /> NOTES: <br /> A roved B <br /> PP Y: _--` _. Date: <br />