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ELEMENT: ROOF/CEZLING 93-310 <br /> NOTE: Cc+py this page for as many forms as the building has elements. <br /> 2 Ply Built-up Roof <br /> 5/8 In. Plyweod Sheathing <br /> 2 x 4 Flai at 24 in. O.C. <br /> ( <br /> R-30 Batt Insulation <br /> mrusses at 48 in. O.C. <br /> Suspended Ceiling System <br /> SKETCH OF ELEMENT <br /> Framing Ratio (FR) , if applic.= lo% <br /> ---------------------------------------------------------------------- <br /> MATERIAL THICKNESS � R/In. R �IALUE R �'AiUE <br /> (Inches) I THICKNESS Solid Cavity I <br /> ----------------------------------___________________________________ <br /> Outside Air Film � � � 0. 17 � 0. 17 <br /> --------------------------------------------------------------------- <br /> R-30 Batt Insulation � � � 0 � 30 <br /> --------------------------------------------------------------------- <br /> Trusses at 48 in. O. C. � 1. 5 � 1. 25 � 1. 875 � 0 <br /> --------------------------------------------------------------------- <br /> Air S�ace � � � 0. 94 � 0.94 <br /> --------------------------------------------------------------------- <br /> Susp. Clg. System � � � 1• 25 � 1. 25 <br /> --------------------------------------------------------------------- <br /> Inside Air Film � � � 0• 68 � 0. 68 <br /> --------- ------------------------------------------------------------ <br /> � � � � <br /> ---------• ---------------------------------------------------------- <br /> � � � � <br /> -------------------------�----------�----------�----------�---------- <br /> --------------------------------------------------------------------- <br /> � � � � <br /> ----------------------------------------------'--__-_________________ <br /> SUM R VALUES I 4. 915 � 33 . 04 <br /> ------------------------------------------- <br /> U = 1/R � 0. 2034588 � 0.0302663 <br /> __________________________ <br /> --------------------=====i <br /> U VALUE FOR EI.EMENT (Avg) _ (U Solid) (FR) + (U Ca�ity) (1-FR1 <br /> = 0. 0475R56 <br /> AREA OF ELEMENT* = 2798 sq. ft. <br /> * Area of Element is net area after openings such as doors, windows, <br /> and skylights have been subtracted. <br /> 3310EC2 Page 2 <br />