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Total exposed roof/ceiling area = ?j*3(� <br /> j. Total skylight area. ............ <br /> k. Total roof/ceiling framing area (average 10%) .. .. .. -26 Q, <br /> 1. Total net insulated roof/ceiling area..... ......... 2 =12 <br /> Determine "U" value for each roof/ceiling segment. <br /> j• X "U" . �� s <br /> k. I34 X "U" , OZZ <br /> zl=. _ X "n" o T 4- <br /> 4. .* ............ .. . . <br /> ........ .....Total 4. ............... .. . . ................Total <br /> 3v. c <br /> If total of #4 is the same as, or less than #2, you have met the intent of <br /> SBC 6006(c)l. <br /> Alternate Building Envelope Design <br /> To utilize the total envelope system method, the values established by the <br /> sum of items #3 and #4 shall not be greater than the sum of items #1 and #2. r <br /> 1. + 2. s <br /> 3. + 4. <br /> ar- <br /> c -74c 4?n &L t t)w- <br />