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�rmit No. <br />Use only for additions, under 750 ft2, that don't comply <br />ruttPOSE: This worksheet demonstrates compliance tor a <br />proposed addition where heat loss improvements in the existing <br />home receive credit toward compliance. Perform a Chapter 5 <br />catcutation only on the addition betore using this form. <br />�_ <br />MAIN WORKSHEET <br />� PROPOSED CASE UA VALUE (pg. 2) <br />I BASE CASE UA VALUE (pg, 2) 1 3 <br />Addilion heat loss�deficit (bc.r 1 minus box2) <br />IExisting dwelling tmprovement credit. See�&� <br />ADDITION COMPLIES IF BOX 4 IS GREATER THAN BOX 3 <br />Exlsting Dwelling lmprovement credlt <br />€ calcu/atlons (List separate improvementsJ <br />Change (lor.atipII� Area (Ft2) <br />Existing glazing ( � <br />Replacement glazing ( � <br />Existing home improvement credlt =� SU8TR,4C <br />Existing giazing ( � � <br />Replacement gtazing ( � <br />Exlsting home Improvement credit `="���$U���G <br />�' iii �4 <br />Existing insulatfon (_ � � <br />New insulation I � <br />Exlsting home Improvement credit <br />Exfsting insulation ( <br />New insulation L , <br />Effective Juiy 1, iggi <br />Extstl�ig dwefling and <br />improvec;,ent U-values: <br />Refer t�i fhe 19BY WSEC, Chapter Y0, <br />Iorall U-values nnt /lsted below. <br />ExlsNnB (untested) g/azlnp delault <br />values: <br />Singie pane <br />Double pane <br />Double pane w/vinyl <br />or wood sash <br />U 1.20 <br />'�� .90 <br />U .75 <br />ExlsNng bulld/ng envelope values: <br />Ceilings w/no insulation U .30 <br />Floors w/no insulation U .13 <br />Walls w/no insula}�on U .31 <br />` Giass block U .60 <br />U-value <br />x U_ <br />x U__ <br />Exlsting home Improvement credit I SUBTRACT�k) �iom (�J 1' -; <br />TOTAL CREDITS (Add c, l, i, & l. Insert into �on MAIN WORKSHcE7J <br />UA <br />INSPECTED ._ <br />