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MINNESOTA STATE BUILDING CODE DIVISION 4,tiw + i <br /> EXTERIOR ENVELOPE AV RAGE "U" COMPUTATION <br /> OWNER .� (A/ <br /> SITE ADDRESS /go/ 6_,/ k " tJLc4"r4,4 <br /> CONTRACTOR,Ai--d-t a-cam DATE 1/46,//9/ PHONE 4/2;62-6._S-0.2 <br /> Determine working square footage of each. <br /> 1 . Total exposed wall area g0P32 sq. ft. x ,/ / = ,229.0o? <br /> 2. Total roof/ceiling area //f3R sq. ft. x .026, = 30.Rfi I <br /> Total exposed wall area above floor = <br /> a. Total wall window area / 14 <br /> b. Total door area / <br /> c. Total sliding glass door area f3? <br /> d. Total fireplace wall area o <br /> e. Total wall framing area (average 10%) /ko.9S <br /> f. Total net wall area above floor / yB, 515- <br /> g. <br /> sg. Total rim joist area js-4 <br /> Total exposed foundation area = z/9,5 <br /> h. Total foundation window area <br /> i. Toal net foundation area above grade 4i9..s <br /> Determine "U" value of each wall segment. <br /> a. 1/17/ X "U" , 53 = 6,0.542 <br /> b. /,g X "U" ,/n = /, Bo <br /> c. F37 X "U" .50 = t/.3,5 <br /> d. O X U — = U <br /> e. / 9S X "U" /4 = .22,S3 <br /> f. /41416.55 X "U" cy-ao = 1,6. 3 <br /> g. /55/ X "U" , o3 = <br /> h. — X "U" — _i . 4/7.5 X "U" ,417 = �3.SCP <br /> 3. Total = 22,7. '7(,, <br /> If item #3 is the same as, or less than item #1 , you have met the intent <br /> of SBC 6OO6(c)2. <br />