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C�7 M � <br />��x <br />� H <br />�x>�' <br />yxr�i <br />�e o <br />H� <br />oxo <br />'i1 H 'i1 <br />[n H <br />hx rg <br />C�7 O ts] <br />Hl7 <br />��g <br />c�. c� <br />>H� <br />t� z <br />r-� y <br />g �' <br />q(�C[�/i <br />t9�M <br />HO[n <br />, � <br />!: ` . � . <br />�, •, ' . , `� <br />'ermit No. <br />Uze only for additions, under 730 ft2, that don't comply <br />PURPOSE: This worksheet demonstrales compliance for a <br />proposed adtlition where heat loss improvements in ihe existing <br />home receive credit toward compliance. Perlorm a Chapter 5 <br />calculalion on/y on the addi(ion before using Ihis form. <br />MAIN WORKSHEET <br />� PP.OPOSED CASE UA VALUE (pg. 2J <br />� BASE CASE UA VALUE (pg. 2J <br />Additinn heat loss deficit (box 1 minus box 2) <br />� Existing dwelling improvement credit. See�&� <br />ADDITION COMPLIES IF BOX 41S GREATER THAN BOX 3 <br />Existing Dwelling improvement credit <br />calculations (List separafe improvementsJ <br />,; � <br />Efledive July 1, 1931 <br />� <br />Existiny dwelling and <br />irnprovement U-values: <br />Change (f�catinn) . Area (F12) U•Value <br />Existing glazing ( � x U_ <br />Replacement glazing ( ) x U_ <br />Existing home Improvement credit SUBTRACT (bJ Irom (a) <br />Exisling glazing ( ) x U_ <br />Replacement giazing ( ) x U_ <br />Exlsting home Improvement credit SUBTRACT(e) lrom (d) <br />Existing insuiation ( ) z U_ <br />New insulation ( _) x U_ <br />Existing home Improvement credit SUBTRACT (h) lrom (g) <br />Existing insulation ( ) x U_ <br />New insulation ( ) x U_ <br />Exlsling home Improvement credit SUBTRACT(k)lrom Q) <br />TOTAL CRED/TS (Add c, l, i, & l. Insert inta �on MAIN WORKSHEETJ <br />Reler fo fhe 7991 WSEC, Chapter f0, <br />for all U-values not Ilsted below. <br />Exlsting (untested) glazing delault <br />values: <br />Single pane U 720 <br />Double pane U .90 <br />Double pane w/vinyl <br />or wood sash U .75 <br />Exlsfing bullding envelope values: <br />Ceilings w/no insulation U .30 <br />Floors w/no insulation U .13 <br />Walls w/no insulalion U .31 <br />Glass block U .60 <br />(a) <br />(b) <br />(c) <br />(d) <br />(e) <br />(t) <br />(9) <br />(h) <br />(�) <br />(1) <br />(k) <br />(/) <br />UA <br />INSPECTED <br />� Page 2a J <br />