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EXTERIOR ENVELOPE AVERAGE "U" 'COMPUTATION <br /> pwNER �'.,,�. �..i`�TE'(� ' • <br /> � <br /> szz� �wDxEss �Z6a �H�S ��'r,��" L�N F <br /> ���� —/��7 <br /> CJNTRACTOR � �1 TLN G�ST�M c1 tc�n�J�ATE PHOI� r�G 3''G,�� 2 <br /> Determine working square footage of each. ' <br /> � 1. Total exposed wall area ..... ` � �' `L� sq. ft. X • �� __ '�0 4% <br /> 2. Total roof/ceiling area ..... �' ` �� 02� - � q = • ��' � <br /> .. � � sq. ft. X <br /> A. Total wall window.area.... _ . .. . .. . . . .. .. . . .... ��"`� <br /> B. Total door area. . ... .... .... .. .. ...... . ... . .... 1 ��' � <br /> C. Total sliding glass door area.. .. . . . . . . .. . ... 1 <br /> D. Total fireplace wall area.. ... .'. . ..... . .. .. .... P� . � <br /> E. Total wall framing area ,(averagE 10$) ...... ..... -'tSPi . <br /> F. Total Rim joist area...... ...... ......... ..... =�' � . <br /> G. Total Net wall area above floor. - -•• -•- •--- •--- - ���r <br /> Total exposed foundation area .- • <br /> H. 2ota1 foundation window area. ... . . . . . . . . . . . . ... D ' <br /> I. Total net foundation area above grade.. . . . . . .. .. 2 Zo • <br /> Determine "U" value of each wall segment. <br /> � a� 2� � ,, ' <br /> a. , X ��U�� . � _ ;--�s <br /> � �� �� �� '" ' <br /> b. �,� X U � �..- = 7, - <br /> c. � X .�U�� ; 34 = ^ • - <br /> d. � �,� � X �U�� rl A = N r. <br /> e. `��4�' X nU�� . �.�' _ ��, �:� <br /> f. ,'.,J I X NU�� , D-� = f�, U'Y : <br /> S � i ,� � . <br /> g� ? 1' � X ��U�� , ��..r _ � I <br /> h. X .�U�, o _ � � � <br /> �. � �� X ,.�.� , o�� _ '�, 4 �. <br /> 3. .. . . ... . . . .. . . . . . . . . . . . . . :. ..... . .Tota1 = 4� I,��� (�SS�s <br /> If item #3 is the same as, or less than item #1, you have :net the intent of , <br /> SBC 6006(c)2. <br />