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� Permlt No. <br /> � a . • �` � s - � s ♦ ♦ e <br /> Use only for addittons, under 750 ft2, that don't comply <br /> E((ective July 1, 1991 <br /> �ad _. ,.�,. <br /> �.. �rr� <br /> ;< PURPOSE: Thts worksheet demonstrates compifance for a , � <br /> ;; proposed addition where heat loss improvements in the exisUnp -` <br /> �; home receive credit toward compliance. Perform a Chapter 5 E x I 3 t I�g d W e I 1 I �9 8�� <br /> � ca�ula:bn onty on the additlon betore usinp this lortn. °�. Improvement U-velues: <br /> � . � ; <br /> , <br /> . ����ixa, �; af,�'l.,�k� �� �� ����;�":, Re/er to fhe 1991 WSEC, Chapter f0, <br /> ; lorall U•values not Ifsted bsbw. <br /> Y MAIM WORKSHEET <br /> ' Ex/sting (unteated)y/azlny defaulf i <br /> PROPOSED CASE UA VALU�(pg. 2) ' �a��s. S <br /> � <br /> � BASE CASE UA VALUE(pg. 2) ' Single pane U 1z0 ` <br /> � Additinn heat Ioss deficit (box 1 minus b�x 2) -� Double pane U .90 <br /> � Double pane w/vinyi <br /> z Existing dwelling improvement credit. See�&� or wood sash U .75 <br /> � <br /> ADDITION COMPLIES IF BOX 41S GREATER THAN BOX 3 ExlstUg bulldlnD enve/ope va/uea: <br /> 3 t ) . q y ( <br /> � �[ J; E F <� ' „� CBIIIngS WInO InSulatiOn U .3O <br /> . Fbors w/no insulatbn U.13 <br /> � y j Walls w/no Insuiatbn U .31 ' <br /> � Exlsting Dwelling improvemertt credlt ' ' '> G�ass biodc u .so <br /> ca/culailons jLisf separate improvements) ,:�;��, <br /> ....a �..�u .;.,� r: <br /> Chanpe ppccttipII) . Area(Ft2) U-Value � UA INSPECTED � �' <br /> 3:: <br /> r Existing glazfng ( ) x U_ (a) � z� <br /> s� <br /> k'. Replacement glazing ( ) x U_ (b) <br /> S.: ;ys�.y F S d >2: <br /> : Exlsting home Im��rovement credit g , ��,�A��,!� al � (c) ,;� <br /> ''; Existing glazing ( ) x U_ (d) <br /> `!.' Replacement glazing ( ) x U_ (e) <br /> Exlstin0 home Improvement credit ''; SUBTRAQT re)(rortt �'df � . ��� • ;� <br /> , ��. <br /> Existfng insulation ( ) x U_ (g) <br /> ': New insulation( ) x V_ (h) <br /> i z� �, �' °" r•n�P s�. � <br /> F�clstlnp home improvement credit �€�`,��"St�BTRAL7�); ) ,a „ (Q <br /> < Existing insulation ( � x U_ Q) <br /> Naw insulation( ) x U_ (k) <br /> Existln home im rovement credit '° > 5U,BTRAC7'r k)f! t�t�((J y x (f) '"+ r"��� r,: <br /> 9 p ,� ,. � �- <br /> .. ;. ���:;�=�.�..�. �< ���� <br /> TOTAL CREDITS (Add c, l, i, &l. Insert info �on MAIN WORKSHEEn ��'�����' <br /> � <br /> _ s y� Ppj�E 2a";' <br />