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� . <br /> Exterior Envelope Average"U"Computation <br /> Site Address: 465 Hunter Pass <br /> Contractor:Jyland Development, Inc. 22-Oct-97 404-0600 <br /> 1. Total Exposed Wall Area 4,942 sq ft x"U" 0.110 = 543.62 <br /> 2. Total Roof Ceiling Area 3,460 sq ft x"U" 0.026 = 89.96 <br /> 3. Total Exposed Wall Area Caiculations: <br /> Total exposed wall area <br /> above floor 4,350 sq ft <br /> a) Total wall window area: <br /> standard glazed 0 sq ft x"U" 0.000 = 0.00 <br /> low E glazed 956 sq ft x"U" 0.247 = 235.93 <br /> b) Total door area 74 sq ft x"U" 0.130 = 9.65 <br /> c) Total sliding glass door area: <br /> standard glazed 0 sq ft x"U" 0.000 = 0.00 <br /> low E glazed 46 sq ft x"U" 0.247 = 11.42 <br /> d) Total fireplace wall area 30 sq ft x"U" 0.121 = 3.63 <br /> number of fireplaces= 2 <br /> e) Total wall framing area 324 sq ft x"U" 0.098 = 31.71 <br /> fl Total net wall area <br /> above floor(insulated) 2,920 sq ft x"U" 0.045 = 130.57 <br /> g) Total rim joist area 322 sq ft x"U" 0.042 = 13.53 <br /> Total foundation area <br /> (exposed-finished room) 90 sq ft <br /> (exposed-unfinished room) 180 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 270 sq ft x"U" 0.053 = 14.41 <br /> #3 TOTAL a)thru i) 450.85 <br />