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. WINTER POINT MULTIPLIERS (WPM) CLIMATE ZONES 4 5 6 6A-10 WINTER OVERHANG FACTORS (WOFl J OH RATIO I .00-.11 I .12-.17 r .18-.26 .27-.35 .36-.46 .47-.57 I .58-.70 T .71-.83 .84..1.18 1.19-1.72 11.73-2.73 I 2.74+ SINGLE PANE GLASS N 1.00 (1.03) 1.05 1.08 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1.34 NE/NW 1.00 1J)7 1.10 1.15 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67 EJW (1.00) .71 .57 .19 -.20 -.65 -1.05 -1.48 -2.03 -3.01 -4.06 -5.04 SE/SW 1.00 .93 .90 .80 .68 .54 .39 .22 .05 -.33 -.71 -1.01 ~a: S 1.00 .95 .92 .83 .70 .54 .36 .13 (-.13) -.70 -.98 -1.09 frlo DOUBLE PANE GLASS _.~..- ~l N 1.00 1.05 1.07 1.11 1.14 1.18 1.21 1.24 1.28 1.34 1.40 1.47 NE/NW 1.00 1.11 1.16 1.24 1.32 1.41 1.48 1.56 1.63 1.80 1.94 2.08 EJW 1.00 .88 .82 .66 .50 .31 .15 -.03 -.26 -.66 -1.10 -1.50 SE/SW 1.00 .95 .92 .85 .76 .65 .54 .41 .28 -.01 -.30 -.52 S ~:oo .96 .94 .87 .78 .65 .51 .33 .13 -.30 -.51 -.60 -- lY2ft. 2 ft. 3ft. 3\-'2 ft. 4\-'2 ft. 5Y2ft. 6Y2ft. 9\-'2 ft. 14ft. 20ft.+ OH LENGTH' Oft. 1 ft. ~ 'TO SELECT BY OVERHANG LENGTH, NO PART OF GLASS SHALL BE MORE THAN 8 FT. BELOW THE OVERHANG. 6A-11 WALL WINTER POINT MULTIPLIERS WPM FRAME R-VALUE 0-6.9 7-10.9 11-12.9 13-18.9 19.25.9 26& U STEEL EXT ADJ 9.4 6.7 4.4 3.3 3.3 2.6 3.0 2.4 2.6 2.2 1.4 1.2 CONCRETE BLOCK1 INT. INSULATION NORMAL WT. EXT ADJ 6.0 3.1 3.8 2.3 2 1.9 2. 1.5 1.1 .7 .5 6A.13 CEILING WINTER POINT MULTIPLIERS (WPMI UNDER ATIIC SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE WIW R-VALUE WPM CEILING TYPE 19-21.9 (1.0 J 10-10.9 1.8 R-VALUE DROPPED EXPOSED 22-25.9 .9 11-12.9 1.6 10-13.9 1.2 1.3 26-29.9 .7 13-18.9 1.5 14-20.9 .7 .7 30-37.9 .6 19-25.9 1.1 21 &UD .4 .3 38 & Uo .4 26-29.9 .6 10R.lln .. 6A.14 FLOOR WINTER POINT MULTIPLIERS IWPMI SLAB-oN-GRADE RAISED RAISED WOO[)2 EDGE INSULATION .............. CONCRETE POST OR PIER STEM WALL wI UNDER ADJACENT I..... CONSTRUCTION FLOOR INSULATION R-VALUE W2M R-VALUE WPM R.VALUE WPM WPM WPM 0-2.9 l2.5J I:.: 0-2.9 4.0 0-6.9 7.9 1.8 5.3 3-4.9 -1.7 3-4.9 1.8 7-10.9 2.1 .7 2.1 5.6.9 -2.4 5-6.9 1.1 11-18.9 1.5 .5 1.8 .7 R.lln _')7 L;;~ 71. iln AU I:}. 1oili" Q ~ 1 ii' 6A-12 DOOR WINTER POINT MULTIPLIERS DOOR TYPE EXTERIOR ADJACENT WOOD INSULATED 6A-15 INFIL TRA TION WINTER POINT MULTIPLIERS (WPM) . INFILTRATION PRACTICE WPM SEE TABLE 6A-21 PRACTICE #1 PRACTICE #2 6A-16 DUCT MULTIPLIERS DM SUPPLY DUCTS IN UNCONDmONED SPACE RETURN DUCTS IN CONDmONED SPACE 1.10 1.07 1.06 1.00 1.00 SUPPLY DUCTS IN CONDmONED SPACE' 6A-17 HEATING SYSTEM MULTIPLIERS (HSMI SYSTEM TYPE HEATING SY IPLlERS IHSMl Central Heat HSPF 6.40-~~ 6.80-6.89 A90-7.39 7.40-7.89 7.90-8.39 8.40-8.89 8.9-9.39 9.4-9.89 Pump Units HSM .5;3 .50 .49 .46 .43 .41 .38 .36 HSPF 9.90-10.39 10.40-10.89 I~ ."11 11.40-11.89 11.90-12.39 12.40 & uo - - .-- ----~----- HSM .34 .33 .31 .30 .29 .28 PTHP COP ---.-.. 2.50-2.69 2.70-2.89 2.90-3.09 3.10-3.29 3.30-3.49 3.50-3.69 3.70-3.89 3.90-4.19 -. -.. .---.--.---------- f-j-fSM___ L_ .40 _ - .37 .34 .32 .30 .29 .~7 .26 "--- ~Iect!ic ~triJ>_______ I--~. 1.0 ----- Gas & LP Gas 1.0 (See Table 6A-18 for Crecfrt Mulliolierl MINIMUMS: CENTRAL UNITS-AIR SOURCE SPUT SYSTEM 6.8 HSPF, SINGLE PKG. 6.6 HSPF, WATER SOURCE 3.8 COP, GROUND WATER SOURCE 3.4 COP, PTHP SEE TABlES 6-6 TO 6-8. ..__.---~-_. 1 FOR MUlTIPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2.1 OF APPENDIX C. 2 MULTiPliERS FOR OTHER TYPES OF RAISED WOOD ASSEMBLIES SEE SECTION 3.1 OF APPENDIX C. 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R.VALUE NECESSARY TO PREVENT CONDENSATION. .5. ;!/. ,