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l <br /> .CONSTRUCTION ASSEMBLY -- Page 14 3R <br /> Project-Title. . . . . . . . . . <br /> Boyett-Residence <br /> Date '03/20/02-10 :56 :40 <br /> MICROPAS6 v6 . 00 File-BOYETT Wth-CTZ12S92- Program-FORM 3R <br /> User#-MP0837 User-SKW & Associates Run-Boyett Residence <br /> - <br /> --------------------------------- Parallel Path Method <br /> Reference Name . FC.19 .2X8 . 16 <br /> Description . . . . Floor Crwl R-19 2x8 16oc <br /> Type . . . . . . . . . . . Floor <br /> R-Value . . . . . . . . 19 Hr-sf-F/Stu <br /> Framing <br /> Material . . . . . FIR. 2X8 <br /> Type . . . . . . . . . <br /> Wood <br /> Description . . 2x8 fir <br /> Spacing . . . . . . 16 inches on center <br /> Framing Frac . . 0 . 10 <br /> r <br /> Sketch of Construction Assembly <br /> LIST OF CONSTRUCTION COMPONENTS <br /> Material Cavity Frame <br /> Name Description R-Value R-Value <br /> ---------------------------------------- ---------- --------- <br /> 0. FILM.EX Exterior air film: winter value 0 . 17 0 .17 <br /> 1 . CRAWLSPACE Effective R-value of vented crawlspace 6 . 00 6 . 00 <br /> 2c. BATT.RI9 .0 R-19 batt insul (cavity > 5 . 5 in) 19 . 00 <br /> 2f . FIR.2X8 2x8 fir -- 7 . 18 <br /> 3 . PLY. 0 . 63 0 . 625 in plywood 0 .78 0 . 78 <br /> 4 . CARPET Carpet & pad 2 . 08 2 . 08 <br /> I . FILM. IN.FLR Inside air film: heat flow down 0 . 92 0 . 92 <br /> Total Unadjusted R-Values 28 . 95 17 .13 <br /> FRAMING ADJUSTMENT CALCULATION <br /> Cavity Framing Total <br /> U-Value: (1 / . 28 . 95 x 0 . 90) + (1 / 17 . 13 x 0 . 10) = 0 . 037 Btu/hr-sf-F <br /> Total R-Value: 1 / 0 . 037 = 27 . 08 hr-sf-F/Btu <br /> I <br /> r <br />