Laserfiche WebLink
Permit No. `�312 <br />Use only for additions, under 750 ft2, that don't comply <br />PURPOSE: This worksheet demonstrates compliance for a <br />proposed addition where heat loss Improvements in ihe exlsting <br />home receive credit toward compliance. Per(orm a Chapter 5 <br />calculation only on the addition before using thfs torm. <br />MAIN WORKSHEET <br />PROPOSED CASE UA VALUE (pg. 2) 3(p. 22 <br />BASE CASE UA VALUE (pg. 2) � a� I� <br />Additionhealloss�deticit (bc.r 1 minusbox2) ��,OCO <br />Existing dwelling improvemen� credit. See�&� �O �,7 <br />ADDITION COMPLIES IF BOX 4 IS GflEATER THAN BOX 3 <br />Efleclive July 1, 1991 <br />Existing dwelling and <br />improvement U-values: <br />Reler to the Y991 WSEC, Chapter Y0, <br />for al! U•values not Ilsted below. <br />Exfsting (untested) plazing default <br />values: <br />Singla pane <br />Double pane <br />Double pane wlvinyl <br />or wood sash <br />w� � �� ��� � � ��> ������. ��a. ��.� <br />a� . <br />s��xx?s` , i�.�... sy��� G a „k�� ..o�� �?�.���.i <br />' E� ing Dwelling improvement credit <br />calculatlons (List separate improvements) <br />Change (I�GaUpnl Area (Ft2) U-Value <br />Existing glazing ( ) x U__ <br />Replacement glazing ( ) x U <br />� �� B7" RC h `koin ; � <br />Exlstlng home Improvement credlt �'� y�,.��ti �, :.�f�� ,.��zt� �� <br />' Existing glazing (�TGH�I-� � g x U1_� <br />Replacement glazing ( t'`�T�i-k� � ��o x U•`}' <br />� SUBTfiACT (eJ �rdtn; jd� <br />Exlsting home Improvement credit y;; �� <br />Existing insulation (��'-�� ) �}o � x U'31 <br />' New insulation (���'� ) 3�5 X �'�Sy <br />' ExisUng home Improvement credlt SUBtR,QCF(h) flom;M(g1 <br />+ Exlsling insulation (�• ��-• ) �, ZC x U �_� <br />i New insulation ( bR• ��1�. C�-.) �, z5 x U•`�"' <br />Exlsting home Improvement credlt SUBTRAGT (k) l�om �) <br />' TOTAL CREDITS (Add c, l, i, & l. Inserl into �on MAIN WOHKSf IEET <br />U 1.20 <br />-u .so <br />U .75 <br />Ex/sting bullding envelope values: <br />Ceflings w/no insulation U .30 <br />Floors w/no insulation U .13 <br />Walts w/no insulation U .31 <br />Glass block U .60 <br />,n;..... <br />UA INSPECTED <br />(a) <br />(b) <br />(c) <br />(d) �l.la <br />(8) (o �}' <br />(t) 3. 2 <br />�g� 124.3 <br />(h) 3�. g <br />��� �3.5 <br />ti) 7.5 <br />(k; 2. S <br />I 01 5.D <br />1�1•7 <br />EA 9t <br />2a ..;: <br />