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r UR <br /> UA"O""No COPY <br /> EXTERIOR ENVELOPE AVERAGE "U" COMPUTATION <br /> by <br /> SAWHORSE CONSTRUCTION <br /> 4740-42nd Ave No <br /> Robbinsdale, Mn 55422 <br /> 533-0352 <br /> Owner: Dave Schnieder/Margaret Leaf Phone: <br /> Address: 2540 Old Beach Road Date: 11/22/00 <br /> DETERMINE WORKING SQUARE FOOTAGE OF EACH: <br /> 1 TOTAL EXPOSED WALL AREA. . . . 994 .00 sq ft x "U" 0. 11 = 109 . 34 <br /> 2 TOTAL ROOF/CEILING AREA. . . . 508.00 sq ft x "U" 0.026 = 13 . 21 <br /> 3 TOTAL EXPOSED WALL AREA CALCULATIONS: <br /> Total exposed wall <br /> area above block line 378.00 sq ft <br /> a) Total wall window area: <br /> Low "E" glazed. . . 185.00 sq ft x "U" 0. 310 = 57. 35 <br /> glazed. . . 0.00 sq ft x "U" 0.000 = 0.00 <br /> b) Total door area. . . . . . 0.00 sq ft x "U" 0. 150 = 0.00 <br /> c) Total swinging glass door area: <br /> glazed. . . 20.00 sq ft x "U" 0 . 310 = 6. 20 <br /> glazed. . , sq ft x "U" = 0.00 <br /> d) Total fireplace wall. 0.00 sq ft x "U" 0.000 = 0.00 <br /> e) Total wall framing <br /> area (average 10%) . 17. 30 sq ft x "U" 0.076 = 1. 31 <br /> f) Total net wall area above <br /> floor (ins 155.70 sq ft x "U" 0.037 = 5.76 <br /> g) Total rim joist area. 32. 00 sq ft x "U" 0.022 = 0.70 <br /> Total foundation <br /> area (exposed) . . . . . 0 .00 sq ft <br /> h) Total foundation <br /> window area. . . . . . . . sq ft x "U" = 0.00 <br /> i) Total net foundation <br /> area above grade. . . 0.00 sq ft x "U" 0.105 = 0.00 <br />