Laserfiche WebLink
Address / Pertnit No. � Approved: <br /> � __\ — <br /> 1997 WSEC, (.'hapter S;:Residenrial Additioris;��o'.r"�slieet� � <br /> ..,.-. 3��-;. :: : <br /> Use only for addiHons, under 750 ft2,.thaf:don'�m�L}��.' •- <br /> Purpose: 'I'his worksheet demonstrates compliance for a proposed addition wherc heat loss improvements in the existing <br /> home receive credit toward compliance. Perform a Chapter 5 calculation only on the additiox before using this fortn. <br /> MAIN WORKSHEET <br /> t PROPOSEP UA VALUE (Crom pg.?,Chapter 5 Qualification Form or from WATiSUN) 1) ,/$ <br /> 2 TARGET UA VALUE (from pg.2,Chapter 5 Qualificatian Fortn or from WATiStJN) 2) L}, <br /> 3 Addition heat loss deficit (box i minus box 2) 3) 8.7 <br /> 4 Existing dwelling improvement credit. (See Total Credits below.) q) �. <br /> ADDITION COMPLIES IF BOX 4 IS GREATER THAN BOX 3 <br /> Existing Dwelling Improvement Credit Calculatfons <br /> Chanar locadon) Ares(Ft2) U-Lctor `-UA: 'Impechd <br /> Existing glezing(5/�6�frY�Y /�3� xU <<) s i.98 <br /> Replecement glezing u �t, � 3� xU •07(i (b) . � <br /> ;uti,. ��� �. <br /> stla7'RACT(b)irom(a) Ezisting home improvement credit = � <br /> - . . - v� . �� <br /> Exirting gluing( ) xU (d) <br /> Repl�cement glezing( ) xU (e) <br /> � �. �d• .:� (� <br /> SUBTR�CT(e)from(d) Ez�itlng home improvement credit = :� <br /> Existing insulntion( 1 R- xU (� <br /> New insulation( ) R- xU (h) <br /> _ , .�:: (�) _ <br /> SUBTRAGT(tip froin(g) Ezi�Hng home improvement credlt =, -'; , <br /> . ;... <br /> . . . . . •W'�..� . .. . .. .�.Y .f�•,. . <br /> Existing insulation R- xU (j) <br /> New insulation R- xU (k) <br /> m <br /> SUBTRpCT(k)from(j) Eii"stlng home improvement cndit =• '. <br /> Add c,f,i,l to equal Total Credib. <br /> Insert here&in Box 4 of MAIN WORKSHEET (ebove) TOTAL <br /> CREDITS �� <br /> Ezisting Dwelling U-Factors <br /> Refer to the 1994 WSEC, Chapter I0,for all U-6ctors not listed below. <br /> Existing(untated)glazing default vatues: Building Envelope Vafuu: <br /> Single Pane U 1.20 Ceilings w/no insuladon U30 <br /> Doubte Pane(metal Game) U .92 Floon w/no insuluion U.13 <br /> Double Pme w/vinyl or wood suh U .63 Walls w/no insulatioa U31 <br /> Glass Blocks U.51 <br /> � �,W� <br /> S/� <br />