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�rmlt No. <br />PURPOSE: This worksheet tle;.ionstrates compliance for a <br />proposed addition where heat loss improvements (n the existing <br />home receive credit toward compliance. Perform a Chapter 5 <br />calculation only on the addition before using this form. <br />MAIN WORKSHEET <br />PROPOSED CASE UA VALUE (pg. 2) <br />BASE CASE UA VALUE (pg. 2) <br />AddiUon heat Ioss �detfcft (bar 1 minus box 2) <br />/o/, 34 s' <br />�1.2r� <br />d-o f 29 <br />Existing dwelling improvement credit. See�&�I ��1� , y <br />ADDITION COMPLIES IF BOX 4 IS GREATER THAN BOX 3 <br />,..<.. �. » �.. ::; ,..r� . •,„:,.::: . <br />m <br />Exlsting Dwelling lmprovement credlt . <br />? calcu/atlons ;List separate improvements) ' <br />Change (1�tiQn) Area (Ft2) U-Value <br />E(tective Juiy 1, 1991 <br />Exfstfng dwelling and <br />improvement U-values: <br />Refer to the 1991 WSEC, Chapter 10, <br />tor all U-values not llsted below. <br />ExlsNng (untested) glazing de/ault <br />values: <br />Single pane U 1.20 <br />Doubte pane •U .90 <br />Oouble pane w/vinyl <br />or wood sash U .75 <br />Exisfing bulld/ng envelope va/ues: <br />Ceiiings w/no insulation U .30 <br />Floors w/no insulatfon U .13 <br />Walls w/no insulation U .31 <br />Glass block U .60 <br />Existing glazing (_5i uo-cr I, x o e,� � 5 x U�� (a) <br />Replacement glazing (A�4� NG 5ii ) ,� x U_� � (b) <br />Existing home improvement credit 5� SU67RACr;�bj (rnln (a) ;(c; <br />Existingglazing( �uo-�.� arvar�� ,�� xU i_� (d) <br />Replacement glazing ( o X o ) yU. x U� (e) <br />"°�� SUBTRAGTtaJ�tom d ' : <br />Existing home Improvement credit � ; ; � ) ' (�) <br />Existing insulation ( l�o�� w�o2 �'� . TS�,o > x U� z (9) <br />New insulation ( R- 3� ) �$$ x U��a (h) <br />Exlsting home improvement credit " �UBi'RACT(hJlrom {g) : (1) <br />Existing insulation ( ) x U_ (j) <br />New (nsulation ( ) x U_ (k) <br />Exlsting home Improvement credit ' SUBTRACi(k)Yrom (j) ,'��� <br />TOTAL CREDITS (Add c, 1, i, & l. Insert info �on MAIN WORKSNEET) <br />UA <br />/o <br />7,Gs' <br />/0.3�. <br />> S", Zo <br />L3. ��i <br />i� <br />/��.5 1G <br />� <br />INSPECTED ._ <br />P; <br />