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, . . ' <br /> EXTERIOR ENVELOPE AVERAGE "U" COMPUTATION <br /> OWNER <br /> SITE ADDRESS � <br /> CONTRACTOR DATE . PHONE � ' � � `� ' <br /> Determine working square footage of each. <br /> 1.� _Total exposed wal l area . . . .. _ r � � ,� sq. ft. x • it = �- � ; � <br /> 2. Total roof/cei 1 i ng area . . . .. �� , U sq. ft. x- .02e= 2 <br /> Tota] exposed wa11 area above f7oor = � � � ' <br /> a. Tota1 wall window area. . . .. . . . . ... . .. . .. . . . . .. . . . � <br /> b. Total door area � , .. , , . ,� ,-_ , , ,, ., . ., , d�4 � � <br /> c. Total sliding g7ass�door�area . . . . . ... . - <br /> d. Total fireplace wa11 area. . �� �� � �� � � � <br /> e. Total wall framing area (average�lOp). . .: .. � � � � � - � <br /> f. Total .net wall area above f1oor . . . . . . . . . . . . . .. . . !l -j, -�, . <br /> g: Tota�l r:i m j o.i st area . .. . . .: ... . . . : . . . . . . . . . . . . . . �.�� ,-, . <br /> Total exposed foundation area = �'� �� <br /> �. Tota7 foundat�;.n wiru�w area. . . . . . --,� <br /> - i. Toal net foundation area above grade . . . . . . . . . . . . �, <br /> . �=� � ���__ <br /> . ... _. .. . , r <br /> Determine "U" value of each wall segment. <br /> a. �2�� �� X ����� �� _ ��� <br /> � <br /> b. ( ��i C? X ����� � _ �_ . <br /> c. --{-�- X ����� _� _ �.. . <br /> d. ,,,�.- X ����� _ _ -� . <br /> e•_ fi� f� ��� X ����� � �� _ �,. � <br /> ..!_ i <br /> f- l�� �� Z. X „�„ � D� _ <br /> , <br /> , <br /> � 9, 30�� D X „�„ , o = �I � � . <br /> n. -�- X „�„ -� _ -�- <br /> 1 •_ �brb X "U° i � D = �� D <br /> 3. . . . . . . . : . . .. . . . . . . . . .. . .. . . . . . . . . .. .Total = <br /> If item T3 is the same as, or less than item #] , you have met the intent <br /> of SBC 6006(c)2. <br />