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Perm(t No. _ <br /> . � " - • • � s • • R <br /> Use only for additions, under 750 ft2, that don't compiy <br /> EHecttve Jti!y 1, 1991 <br /> .�?�� � r •\�:¢. .. � •�� ` :S:'. �� ,`\� ��r?S'� �'�`�' ��`C I <br /> . )� !!a' � N::: .. I�Abrq" i u::,r•S+ e'.�6 <br /> a PURPOSE: This worksheet demonstrates compflance for a � � �� <br /> z:,.. <br /> �� p,oposed addition where heat loss Improvements in the existfng ,�� <br /> « home receive credtt toward compltance. Pertorm a Chapter 5 �*�. E x I s t 1 n g d w e I I 1 n g a n d <br /> ' ca�ulatbn oniy on the addition before using this form. i�' ImpfOVBme�t U-YeIUeS: <br /> �::. <br /> � �z:, : <br /> � E� � ��R �� "� � � , "�&.>= Refer to the 1991 WSEC, Chapter f0, '> <br /> '�` `��a for all U-va/ues not 1lsted be/ow. <br /> MAIN WORKSHEET <br /> � ! Ex/at/ng (untested)y/az/ng de/au/t � <br /> PROPOSED CASE UA VALUE (pg.2) 8 �, 24 v8/ues: , , <br /> BASE CASE UA VALUE (pg. 2) 6'�'•� Single pane U 120 <br /> Additinn heat loss deticft (box 1 minus box 2) �6-;�3 Double pane U .90 ; <br /> Double pane w/vinyi = <br /> Existing dwelling improvement credit. See�&� 3U.9`}- orwood sash U .75 <br /> ADDITION COMPLIES IF BOX 4 IS GREATER THAN BOX 3 �/sNng bullding enve/ope va/ues: <br /> : : �c '"�i Ka �' a�. :.. .:a � ... i <br /> . �;� � ` Ceilings w/no insulation U .30 ? <br /> �'' �'��. Floors w/no ins ilatbn U .13 <br /> �a, a <br /> Walls w/no insulation U .31 ; <br /> Ex�lsting Dwelling lmprovement credlt Giass biocic u .so <br /> � ca/culatlons (List separate improvements) x� <br /> , ; :<..>� a ... .;,.»���.�,:<M. .�..<,w.a� a <br /> � Change (l�atifln) • Area (Ft2) U-Value UA^ INSPECTED � ' <br /> �•. .' <br /> ;�,,.,,; ;, <br /> � Existing glazing ( ) ' x U_ (a) ? <br /> x: Replacement glazing( ) x U (b) � , <br /> �� �: <br /> � Exlstin home Im rovement credlt \�� '� BTRq �(bJ�t�?�;(a) �,�� � �; <br /> fl p l <. ;�i���, x�w:�twn ;a� � � Ha . <br /> Existing glazin9 ( ) x U— (d) z `. <br /> ��-�>::; <br /> ' Replacement glazing ( ) x U_ (e) ` <br /> "' Exlsting home Improvement credlt �` " Su � �������01� td1 �� (r) ��.'� ` <br /> � � ,� � <br /> _ ., a <br /> , <br /> � ExiGtinginsuiation(,QOOF/��EUNI�� f406 ,5 � �F'r, xu�.4�3 (s) ��{,54 <br /> New insulation (R���CiEI.iN�) �s� O��S�&,FT x U�) (h) L�. � 0 z <br /> Existing home Improvement credlt SUBTRACT.(h)lrorri (g). ���� (q 3 p � ������� s��� i, <br /> � ; <br /> Existing insulation(, ) x U_ �) <br /> New insulation ( ) x U_ (k) <br /> � Existing home Improvement credlt SUBTRACT.{k)�rom (jJ ; ��� ' ; <br /> �` . :,. �,, <br /> �' � .�"=`�a . <br /> '"` TOTAL CREDITS (Add c, 1,i, & 1. lnsert into �on MAIN WORKSHEEn 30� 9lf- ���P�� <br /> � �r<"e r <br /> `# �.. � .,���2� ,; <br />