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m <br /> EXTERIOR ENVELOPE AVERAGE "U" COMPUTATION <br /> OWNER �1z .r' 4 C L ScA -- <br /> SITE ADDRESS /5Oi " ' C 2 AkLir // O j/ <br /> CONTRACTOR42. 70'Sr-464(44e... DATE //20/co PHONE 4/70 <br /> Determine working square footage of each. <br /> 1. Total exposed wall area . . . 66/7 sq. ft. x .1/ = A60.$7 <br /> 2. Total roof/ceiling area . . . 2.4 -7 sq. ft. x .024 = 1 6A.617- 1 <br /> Total <br /> oe'• 2- <br /> Total exposed wall area above floor= <br /> A. Total wall window area l02$ <br /> B. Total door area . 1p <br /> C. Total sliding glass door area <br /> D. Total fireplace wall area Zs s <br /> E. Total wall framing area (average 10%) . 34 3Y <br /> F. Total net wall area above floor 3Fs7a <br /> G. Total rim joist area 4/36 SP <br /> Total exposed foundation area = /605,C: <br /> H. Total foundation window area <br /> I. Total net foundation area above grade . /y D Ste' <br /> Determine "U" value of each wall segment. <br /> a. to ZB SF x "U" .32.- = 200.46, <br /> b. x "U" , Iq = i/.47 <br /> c. Sat.A x "U" <br /> d. 2SSF x "U" ,2S = /o- 2$- <br /> e- 6-34. x "U" .org$' <br /> f- G?O x "U" .0/43 = /5-7.8 <br /> g- 935-SP x "U" ,o Y Z = IS.2? <br /> h. p x "U" --- _ <br /> i• /!o o sfl x "U" ,074, _ .2.i co. <br /> 3. TOTAL = 1 qs-z.9$ 1 <br /> If item #3 is the same as, or less than, item #1, you have met the <br /> intent of SBC 6006 (c) 2. <br /> 1/6-z .4 8' 7.oeg,. 8° 7 ©/e__. <br />