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n�� <br />ay <br />,O�x <br />'� H <br />�HCn <br />y �H <br />� H .`�.7 <br />"�+'J H'zJ <br />y�C3 <br />tx--1 o t!�' <br />H C7 <br />�n� <br />c� � o <br />�H� <br />r z <br />Hy <br />d N H <br />nb� <br />� r� r <br />z H c�n <br />�-3 O a� <br />6< � <br />€ "�j <br />f '' <br />,� <br />R� . 1 <br />�.. 1 <br />! � j <br />� . -CIINI( IYV. <br />� � , r ^ � � � � � �_. .� �. . �: 1 s ���� � �. <br />� Use only for additions, under 750 ft2, that don't comply <br />�.� ;:: . - ; - <br />Etledive July 1, 1991 <br />% <br />PURPOSE: This worksheet demonstrates compliance for a <br />proposed addition where heat loss improvemenls in the existing <br />home receive credit toward compliance. Perlorm �a Chapter 5 <br />calculation only on fhe addition before using this (orm. <br />Existing Dwelling improvement credit <br />calculations (List separate improvements) <br />� <br />E�cistinc� dwelling and <br />improvement U-values: <br />Reler to fhe 1991 WSEC, Chapter 10, <br />!or all U•va!ues not Iisted below. <br />Exlsfing (unfested) glazing delault <br />values: <br />Single pane U 1.20 <br />Double pane U .90 <br />Duu61e pane w/vinyl <br />or wood sash U .75 <br />Exlsting bullding envelope values: <br />Ceilings w/no insulation U .30 <br />Floors w/no insulation U .13 <br />Walls w/no insulation U .31 <br />Glass block U .60 <br />Change (�r,ati�n) • Area (Ft2) U-Vatue <br />Existin� glazing ( STuo`f- vi� =�D � 4° ,�D 2 x U I_z0 <br />u. "� o zu,4'3 <br />Replacementglazing(y"NbY-N�nF�-�j �0��b <br />Exlsting home improvement credlt SUBTRACT (b) Irom (a? <br />1 4 1 r Ow .I:M.� n ..:AT:�� J� �. <br />xi's�ing, lazin swe�tcv�zn±e ) IC�q,-IS xU �_20 <br />f M <br />�.v.l�crz.rhent�.�� Z.�rru��: ccc�s ) i2v �m x �—�� <br />�: . � <br />Exlsting home Improvement credlt SUBTRACT (e) lrom (d) <br />� < <�� �. � , n , , �,. 4 <br />Existin insulatibn ( urr ��,k�-��x� 53 I �a °c 5� x U�. <br />vr c- <br />Newinsulation(h-Fn �-�s ) 531,�np,SFxU,��(, <br />Exlsting home Improvemenl credR SUBTRACT(h)lrom (�)_ <br />Existing insulation (r.EiM w'u �iv� '121.5 S F x ��3 � <br />�,�r <br />/�M .M � I � D�Jio <br />Newinsulation;'Fi� w�R-9� ) Z21,5 SF `_:_— <br />Exlsting home Improvement credlt SUBTkACT (k) `rorr, i�, <br />TOTAL CREDITS /Add c, l, i, & l. Insert into �on MAIN WG.?K�HEEn <br />UA <br />(a) S`i,�� <br />(b) 34.14 <br />(c) 2 S , 04 <br />(d) (�1�� 1 <br />�� •�� � <br />(e) 6l, 53 <br />(f1 l��,2 <br />(9) I (?Cr, o�D <br />(h1 40, A 2. <br />OJ 124. �1 c, <br />(i) G6, 4S <br />(k) �, 1 1 <br />(�) 5°0, `��i <br />1�4, I�v <br />INSPECTED <br />Paye 2a <br />