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� Exterior Envelope Average "U"Computation <br /> Site Address: 135 Crystal Creek, Orono, Minnesota <br /> Contractor: Jyland Development, Inc. 12-Oct-98 404-0600 <br /> 1. Total Exposed Wall Area 4,613 sq ft x"U" 0.110 = 507.43 <br /> 2. Total Roof Ceiling Area 1,692 sq ft x"U" 0.026 = 43.99 <br /> 3. Total Exposed Wall Area Calculations: <br /> Total exposed wall area <br /> above floor 4,119 sq ft <br /> a) Total wall window area: <br /> standard glazed 0 sq ft x"U" 0.000 = 0.00 <br /> low E glazed 531 sq ft x"U" 0.247 = 131.04 <br /> b) Total door area 243 sq ft x"U" 0.130 = 31.59 <br /> c) Total sliding glass door area: <br /> standard glazed 0 sq ft x"U" 0.000 = 0.00 <br /> low E glazed 0 sq ft x"U" 0.000 = 0.00 <br /> d) Total fireplace wall area 15 sq ft x"U" 0.121 = 1.82 <br /> number of fireplaces= 1 <br /> e) Total wall framing area 333 sq ft x"U" 0.098 = 32.55 <br /> fl Total net wall area <br /> above floor(insulated) 2,997 sq ft x"U" 0.045 = 134.05 <br /> g) Total rim joist area 344 sq ft x"U" 0.042 = 14.45 <br /> Total foundation area <br /> (exposed -finished room) 90 sq ft <br /> (exposed-unfinished room) 60 sq ft <br /> h) Total foundation window <br /> area 0 sq ft x"U" = 0.00 <br /> i) Total net foundation area <br /> above grade 150 sq ft x"U" 0.053 = 8.00 <br /> #3 TOTAL a)thru i) 353.50 <br />