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Total exposed roof/ceiling area 2060.5 sq. ft. <br /> j. Total skylite area 0.00 <br /> k. Total roof/ceiling framing area (average 1%) 20.61 <br /> I. Total net insulated roof/ceiling area 2060.50 <br /> "U" value for each roof/ceiling segment. <br /> j. 0 x "U" = 0.00 <br /> k. 20.605 x "U" 0.023 = 0.47 <br /> I. 2060.5 x "U" 0.020 = 40.58 <br /> 4• TOTAL 41.04 <br /> If item #4 is the same as, or less than item #2, you have met the intent of SBC 6006(c)1. <br /> Alternate Building Envelope Design <br /> To utilize the total envelope system method, the values established by the sum of <br /> items#3 and #4 shall not be greater than the sum of items#1 and #2. <br /> #1 421.44 + #2 53.57 = 475.01 <br /> #3 244.38 + #4 41.04 = 285.43 <br />