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A <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: Douglas Johnson Phone: <br /> Address: 1355 Shoreline Drive Date: 1/8/97 <br /> DETERMINE WORKING SQUARE FOOTAGE OF EACH: <br /> 1 TOTAL EXPOSED WALL AREA1184.00 sq ft x "U" 0.09 = 106.56 <br /> 2 TOTAL ROOF/CEILING AREA973.00 sq ft x "U" 0.025 = 24.33 <br /> 3 TOTAL EXPOSED WALL AREA CALCULATIONS: <br /> Total exposed wall <br /> area above block line 973 .00 sq ft <br /> a) Total wall window area: <br /> Low "E" glazed114.00 sq ft x "U" 0.310 = 35.34 <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 sliding glass door area: <br /> glazed. . . 0.00 sq ft x "U" 0.310 = 0.00 <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%) . 85.90 sq ft x "U" 0.076 = 6.53 <br /> f) Total net wall area above <br /> floor (ins 773 .10 sq ft x "U" 0.037 = 28.60 <br /> g) Total rim joist area. 240.00 sq ft x "U" 0.022 = 5. 28 <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 grade0.00 sq ft x "U" 0.000 = 0.00 <br /> #3 TOTAL a) thru i) = 75.75 <br />