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�ermit No. <br /> : . i .,: ��c l � 'i���� ¢F �.a Fp S a �'3.T N s i �� i <br /> > <br /> �,� � �, le S. '"�tF �FR��¢�n���#����at3F��{F`� 'fi@�`�}>.v���F��������Ih��cn��J,�r.,��r s <br /> . . .. .,... ...a:'� e^ ro k'F�w 'tws,���,�'�x�e��e aa a c.... 'd`T .:. .�... . � <br /> . . . .. ,...:.>. , .. ..�.:�... . ,....-_:. . , . .. x,..., , u``y ,., . <br /> . r., , Use only for additions, under 750 ft2, that don't comply � ��` � ' <br /> ,:, ;..., �v�ar.��^.«...»k.�..i:�n \�..��.:. . e.•, ,. <br /> .�.,>v.":..a.: x..a+x�,�-? ..� � <br /> EHective July 1, 1991 • <br /> „� <br /> � .�.a:.. <br /> PURPOSE: This worksheet demonstrates compliance for a m <br /> ,; proposed addition where heat loss improvements in the existing E x i s t t n g d w e I I i n g a n d <br /> home receive credit toward compliance. Perform a Chapter 5 im YOV@ment U-Valu@S' <br /> <: calculation only on the addition betore using this torm. p ' <br /> ���,�\k=£�, r � , , ;� �� '� � Reler fo fhe 1991 WSEC, Chapter f0, <br /> .< " :<. : . : ' <br /> .n�a : .,: , ,... � '. '. <br /> � ' •� ` '`" ` ' "" � ` '' lor a/l U•values not llsted below. <br /> � MAIN WORKSHEET <br /> ExlsNng (untested) giazing default <br /> PROPOSED CASE UA VALUE (pg. 2) values: <br /> �� BASE CASE UA VALUE (pg. 2) ' Single pane U 1.20 <br /> ' Additinn heat loss deficit (box 1 minus box 2) - Double pane U .90 <br /> � Double pane w/vinyl <br /> ?� Existing dwellinq improvement credit. See�&� orwood sash U .75 <br /> ADDITION COMPLIES IF BOX 4 IS GREATER THAN B� .3 Exlsfing bullding envelope va/ues: <br /> ;,; Ceilings w/no insulation U .30 <br /> ,�. :� Floors w/no insulation U .13 <br /> mWalls w/no insulation U .31 <br /> Exlsting Dwelling Improvement credlt �iass biock u .so <br /> � ca/culat/ons (List separate improvements) <br /> Change (1�r.3tinn) <br /> • Area (Ft2) U-Value UA INSPECTED <br /> Existing glazing ( ) x U-- (a) <br /> � Replacement glazing ( ) x U._ (b) <br /> > <br /> <' Existing home improvement credit 5UBTRACT(b),Irora,.(aj .:: (c) � ' 3 <br /> �..i'�_... ._ <br /> :' Existing glazing ( ) x U_ (d) <br /> " Replacement glazing ( ) X�— �e) <br /> : Existing home Improvement credit � SUBTRACT::(e) trom„(d) ��!' (f) <br /> ` Existing insulation ( ) x U_ (9) <br /> New insulation ( ) X �— �h� <br /> ` Existing home improvement credit SUBTRACT:(h) lrom;(g) (!) <br /> ' Existing insulation ( ) � x U_ (U <br /> New insulation ( ) x U_ (k) <br /> Existing home Improvement credit SUBTRACT(k)fiom (j) ; ��� <br /> TOTAL CREDITS (Add c, I, i, &L Insert into �on MAW V.�ORKSH[E� <br /> wE�srtaowl+nwNov��+oEa 9� <br /> _ Page 2a <br />