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EXTERIOR ENVELOPE AVERAGE "U" COMPUTATION <br /> OWNER Jim & Judy Brass <br /> SITE ADDRESS 1495 Green Trees Road, Orono, MN 55391 <br /> CONTRACTOR Boyer Building Corp. PHONE 952-475-2097 <br /> 3435 County Road 101, Minnetonka, MN 55345 <br /> Working Square Footages Original House <br /> 1. Total exposed wall/floor area 5256.7 sq. ft. x .11 = 578.24 <br /> 2. Total roof/ceiling 2746.5 sq. ft. x .026 � 71.41 <br /> Total exposed wall area above floor = 4722.30 sq. ft. <br /> Total exposed floor area = 0 sq. ft. <br /> a. Total wall window area 4gg.70 <br /> b. Total door area 38.90 <br /> c. Total sliding glass door area 140.00 <br /> d. Total floor insulated area 0.00 <br /> e. Total wall framing area (average 10%) 472.23 <br /> f. Total net wall area above floor 3264.47 <br /> g. Total rim joist area 227.40 <br /> h. Total floor frame area 0.00 <br /> Total exposed foundation area = 307.00 <br /> i. Total foundation window area 0.00 <br /> j. Total net foundation area above grade 307.00 <br /> "U"Value of each segment. <br /> a. 499.70 x "U" 0.300 = 149.91 <br /> b. 38.90 x "U" 0.260 = 10.11 <br /> c. 140.00 x "U" 0.300 = 42.00 <br /> d. 0.00 x "U" 0.025 = 0.00 <br /> e. 472.23 x "U" 0.147 = 69.24 <br /> f. 3264.47 x "U" 0.074 = 242.89 <br /> g. 227.40 x "U" 0.044 = 9.94 <br /> h. 0.00 x "U" 0.060 = 0.00 <br /> i. 0.00 x "U" 0.310 = 0.00 <br /> j. 307.00 x "U" 0.074 = 22.69 <br /> 3� TOTAL 546.79 <br /> If item #3 is the same as, or less than item #1, you have met the intent of SBC 6006(c)2. <br />