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Permit No. <br />Ettedive July 1, 1991 <br />PURPOSE: This worksheet demonstretes compliance tor a � <br />proposed addition wtiere heat loss improvements in the exfsting E x I s t f n g d w e 1 I i n g a n d <br />home receive credit toward compliance. Perform a Chapter 5 <br />calculation enly on the addition before using this form. itttp�OVelfle�t U-V81U8S: <br />MAIN WORKSHEET <br />PROPOSED CASE UA VALUE (pg. 2) J 1 S <br />BASE Cl,.SE UA VALUE (pg. 2) �z f3 G,� <br />Additi�n heat loss deficit (box i minus 6ox 2) �' q r�C <br />Existing dwelling improvement credit. See�&� ? 43, (o <br />ADDITION COMPLIES IF BOX 41S GREATER THAN BOX 3 <br />Existing Dwelling /mprovement credit <br />calculatfons (List separate improvements) <br />Change (iQr.atipn) • Area (Ft2) <br />Existing glazing ( K. 4� n � I d�� ) z U 8 � <br />,_ <br />Repiacement glazing ( i- a t., II �or) 1 6��• S <br />Existing home Improvement cred(t ' $UBTRAC7 <br />'� <br />Existing glazing ( ) <br />Replacement giazing ( ) <br />Existing home Improvement credit =': SUBTRAC7 <br />Existing insulation ('L�o o r ) I Z? i,, <br />New insulation (-� I oo r � � 7�(� <br />Existing home Improvement credlt >' SUBTRAC7 <br />Exisling insulalion ( ) <br />U-Value <br />xU I�'L <br />x U_So <br />x u_ <br />New insulation ( ) x U_ <br />Exlsting home Improvement credlt SUBTRACT(kJ lrom (/J <br />TOTAL CREDITS (Add c, /, i, &!. Insert into �on MAIN WORKSHEEn <br />Refer to the 1991 WSEC, Chapter 10, <br />for all U-va/ues not l/sted below. <br />Ex/sting (untested) 8lazing defau/f <br />values: <br />Single pane U 1.20 <br />Double pane U .90 <br />Double pane w/vinyi <br />or wood sash U .75 <br />Exlsting building enve/ope va/ues: <br />Ceilings w/no insulation U .30 <br />Floors w/no insulation U .13 <br />Wails w/no insulalion U .31 <br />Glass block U .60 <br />� UA INSPECTED <br />(a) ZSa, Z <br />(b) S O� L <br />(c) �70.p <br />(d) <br />(e) <br />(�) <br />(g) I b S, `� <br />(h) 5 Z ,� <br />(�)113,� <br />G) <br />(k) <br />(I) <br />�,�3,.: <br />� <br />�VEfG�DOWA1hWNOVCMGL{797 ��� <br />Page 2a , <br />