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Total exposed roof/ceiling area = �� � <br /> j. Total skylight area. .. . . ... ... . . . .. . .. .. . . ... . . . . . a <br /> ;c. Total roof/ceiling framing area (average 10$) .. . . . . �=' � ``� <br /> 1., '?'at�.al t�.��f- �i�st��atPd roc�fJceiJ..xn�r ,�r.n:�... .. . .: . . .. . . <br /> Determine "U" value for each roof/ceili.ng seqment. . , <br /> �, d . X��U„ � , _ . O <br /> k. ��� g ��U�. .U25' = c� , 85 <br /> i: � 3 � �° x ^uM �0 2- _ � �,� <br /> a. . . . ... .... .. .. . .. . .. .. .........:.....�or.al = �Z . �o� . <br /> If total of �4 is the same as, or less than #2, you have met the intent of <br /> SBC 6006(c)1. , . . <br /> Alternate Building Envelope Design � . <br /> To utilize the total envelope system method; the values established by the <br /> sum of itea�s #3 and #4 shall not be qreater than the �sum of items �' and #2. ' <br /> 1. �D4, + 2. c�2,�� � _ ���(o�, � �' r ' <br /> 3. �'� � + 4. 7Z . � S _ � L�' ? !�5 <br /> - '}�.�ss� 3� 2>> f�rs <br /> Lor.(�ir�f r7 <br /> . � <br /> , ' - <br />