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EXTERIOR ENVELOPE AVERAGE "U" COMPUTATION <br /> owrrER �C-6`C � �cU— Nt��(..L� <br /> SITE ADDRESS � �fLr�baL� �*. GC�� <br /> CONTRACTOR Q(���IE� DATE �' �� • �OO <br /> determine working square footage o.f'each <br /> 1. Total Exposed Wall Area: 21�5 sf z 0.110 = 239.25 <br /> 2. Total Roof/Ceiling Area: 1873 sf x 0.026 = 48.70 <br /> A. Total wall window area 269 sf <br /> B. Total door area 60 sf <br /> C. Total sliding door area 66 sf <br /> D. Total fireplace wall area 0 sf <br /> E. Total rim joist area 494 sf <br /> Total exposed foundation area = 336 sf <br /> F. Total foundation window area 0 sf <br /> G. Total foundation door area 56 sf <br /> H. Total net foundation area above grade 280 sf <br /> Total exposed framing wall area = 614 sf <br /> L Total wall framing area(average=l0%) 31 sf <br /> 7. Total net insulated wall area above floor 583 sf <br /> deternzine "U"value of each wall segment <br /> a. 269 sf x "u° 0.29 = 78.01 <br /> b. 60 sf x "u" 025 = 15.00 <br /> c. 66 sf x "u" 0.31 = 20.46 <br /> d. 0 sf x "u" 0.47 = 0.00 <br /> e. 494 sf x "u" 0.042 = 20.79 <br /> £ 0 sf x "u" 0.33 = 0.00 <br /> g. 56 sf x "u" 020 = 11.20 <br /> h. 280 sf x "u" 0.043 = 1211 <br /> i. 31 sf x "u" 0.098 = 3.04 <br /> j. 583 sf x "u" 0.045 = 26.11 <br /> 3. Total"U"Value-Wall Segments = 186.71 <br /> If item#3 is the same or less than itenz#1,you have met the intent of SBC 6006 02. <br />