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PURPOSE: This workaheet detnonatratea cenlpllancO for <br />proposed addition where heat loss Improvements In the exlsllr <br />home receive credit toward compliance. Perform a ChaplOr <br />calculallon only on the addition before using this form. <br />' ,s-3yz <br />,�Q3 ran esxx•' <br />MAIN WORKSHEET <br />PROPOSED CASE UA VALUE (pg. 2) <br />BASE CASE UA VALUE (pg. 2) <br />Addition heal loss deficit (box 1 rr(nus box 2) - <br />Existing dwelling Improvement credit. SeOM&IJ <br />ADDITION COMPLIES IF BOX 419 GREATER THAN BOX 3 <br />EExissting dwelling Improvement <br />credit <br />calculations (List separate improvements) <br />Change (location) <br />Area (rl2) U•VAldfe <br />Existing glazing <br />Replacement glazing <br />_ <br />Existing home Improvement credit <br />>-x <br />SljB7(iACT(G'` <br />Existing glazing ( —_) <br />x U_ <br />Replacement glazing ( ) <br />x U— <br />Existing home Improvement credit <br />SUBTRACT {O)! <br />Existing Insulation 1_ ) <br />x U_ <br />Now Insulation ( ) <br />x U_ <br />ExlsUng home Improvement tiedIt <br />Fxisling Insulation ( ) <br />x U_ <br />New Insulation (— ) <br />% U_ <br />Permit No. <br />Egedlve July 1,1991 <br />Existing dwelling and <br />Improvement U- slues: <br />Refer to the 19.01 WSEC, ChApfer 10, <br />for all U•values not listed bolov,. <br />Existing (untested) glazing default <br />vatues: <br />Single pane U 1.20 <br />Double pane U .90 - <br />Double pane w/vinyl <br />or wood sash U .75 <br />Existing building envelope values: <br />Ceilings w/no Insulation U .30 <br />Ploors w/no Insulation U A3 <br />Walls w/no insulation U .31 <br />Glass block U .90 <br />EXlslln homy Im tovemehi credit " ` "t' ' Y, ' '" SWK.nffiA <br />TOTA! CREVITS (Add c, 1, 1, & I. Insert Into aon MAIN WORKSHEEi) <br />UA INSPECTED <br />1lNl' ��1lI!�Ill�,i!'7C�Ibl <br />Page 2a <br />