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EXT�RIOR ENVELOPE AVE�tA(�E "U" COHPUTATION � . , R <br /> OWNER• 1S DATE• <br /> SITE ADDRESS• S A <br /> CONTRACTOR: • R iv►�5 PHONE: y�S-O�i �8 <br /> Determine working square footage of each: <br /> l. Total exposed Nell area. . y-7 �o.�l sq. ft. x .11 = rJ Z�o�6' <br /> 2. Totel roof/ceilinq aree. . 15 �y aq. ft. u .026 = �� �. y <br /> i1, 1 <br /> Total exposed wall area above floor = �1ySd , lo <br /> a. Total wall window area. . . . . . . . . . . . . . . . . . . . . . . IZ Z-S,�S <br /> b. Total door area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ��c.�voED <br /> c. Total eliding gless door area. . . . . . . . . . . . . . . . �naE <br /> d. Total wall framing area (average 10$) . . . . . . . . . ti�t5, oco _ <br /> e. Total net wall area above floor. . . . . . . . . . . . . . Z 31y.5 <br /> f . Total rim joiet area. . . . . . . . . . . . . . . . . • 3 3`. Zto <br /> Total exposed foundation area a ���_ <br /> g. Total foundetion window area. . . . . . . . . . . . . . . . . 1.lcarlt� <br /> h . Total net foundation area above grade. . . . . . . . . \z� • <br /> Determine "U" value of each wall segn�ent: <br /> a. 12Z5 , �5 x "U" . t5 m 3oc. . y <br /> b. �Nc���Er� x "U" Sar�E' - — <br /> c. No�E x "U" — �° — <br /> d. 4y 5.�` x "U" . � I =' y$.9 <br /> e. Z.31y . 5 x "U" . oz - g.q <br /> f . 33G.. tc, x "U" . oy = � 3. �5 <br /> _y. aoNE x ~v" - _ - <br /> h. 1Z�i x "U" • o � = `7.��' <br /> 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Total - 3 89•�`� <br /> If item �3 ie less than or equal to item #1, than the have met the <br /> intent of SBC 6006(c)2 . <br /> . Total exposed roof/ceiling area = -Z S � y <br /> i. Total roof/ceiling framing area (avera�e 10$) . Zs� �y <br /> j . Total new insulated roof/ceiling area. . . . . . . . . Z-y�t . c� <br /> Determine "U" value of each roof/ceiling segment: <br /> 1• �d X ~V N ♦ d Z � � y. � <br /> ] • � i►y�o Z. �O X N lJ N ' ✓ 0 G. - `Y�� Z S <br /> 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Totnl - S 3.vsz <br /> If total of �4 ie leas than or equal to �2, than you have met the <br /> intent of SgC 6006(c)1 . <br /> Alternate Buildinq Bnvelope D�sign <br /> To utilize the total envelope system method, the values establiaheci <br /> by the sum of iteme #3 and �4 shall not be greater than the sum of <br /> itema �1 and �2 : <br /> 1. SZ fo . � + 2. �D�, `� _ <br /> 3 . ,��`� • �7�' + 4. � 3 • �� _ <br />