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rCi1711(�4u'. _ <br /> � � .e ... ..�y'... .�.�I�l � � Y� !✓' rP i i�FI fI i!tt�.. �I�tt�wl«... � _ <br /> � Use only tor additions, under 750 tt2,that don't comply <br /> .> .���: .�.�: . , � . <br /> � Etlective July 7,1991 <br /> PURPOSE:�his worksheat demonstretes compliance tor a m <br /> proposed acldition where heat loss Improvements in the ezistfng E x I s t I n g d w e:1 I n g a n d <br /> home receive credit toward compliance. Perfarm a Chapter 5 <br /> calculation on/y on fhe addition belore using ihis torm. IR1PfOVert1B(1t U•V81U0S: <br /> Refer to the t991 WSEC, Chapter 10, <br /> MAIN WORKSHEET laral!U•values not Ilsted be/ow. <br /> PROPOSED CASE UA VALUE Ex/sting(unfesfedJ plazlnp de/aulf <br /> (P9•21 �,y velues: <br /> BASE CASE UA VALUE(pg.2) 22.Y�J� Single pane U 120 <br /> Adtlitinn heat loss defkit(bax 1 minus box 2) 27 Z DouCle pane U.90 <br /> Double pane wrvinyl <br /> ExiStingdwellingimprovementcredd.5ee�&� 3�,q. orwoodsash U.75 <br /> ADDITION COMPLIES IF BOX 4 IS GREATER THAN BOX� Exlsfing 6ulldtnp onvelnpe values: <br /> � Ceilings wlno insulation U.30 <br /> m Floors wlno InsNation U.73 <br /> Walls wlrro insulation U.37 <br /> ExlsBng Dwellinglmprovement credlt Giass biock u.60 <br /> ca/cu/allons (List:eparate improvementsJ <br /> Chenge (Incallpn) . Area(FI2) U•Value UA INSPECTED . <br /> iiW� tPui <br /> � Existing glazing( "`) y� x UL (a) 19•z <br /> ��� Replacement glazing( K�T�� ) F x U.�I (b) �b,� <br /> Exlatlny homa Improvement credR � � SUBTRACT(b).from (a) � ��� Z ,�, <br /> Exis�ing glazing( ) x U_ (d) <br /> Replacement glazing( � x U_ (e) <br /> Exlstlnp home Improvement cretllt � SUBTRACT(e)!rom (d) . �t� <br /> �cisllng insulaiion( ) x U_ (g) <br /> New(nsulation( � x U_ (h) <br /> Exlstlnp home Improvemant cred�t SUBTRACT(hJ fram (g) (IJ <br /> EYistinq Insulation( ) x U_ (j) <br /> New insulat(an( J x U_ (k) <br /> . Ealstlnp home Improvement creAlt SUBTRACT(k�lrom (j) -; (�� � � <br /> TOTAL CRED/TS (Add c,!,i,&l.lnsert into�on MAIN WORKSHEET] �z 4 �ESHqNMkMOVEMBERaI <br /> Page 2a <br />