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WINTER POINT.MULTIPLIERSJ'PM) CLIMATE ZONES 4 5 6 6"-10 WINTER OVERHANG FACTORS IWOF) r OH RATIO .00-.11 .12-.17 .18-.26 .27-.35 T .36-.46 .47-.57 I .58-.70 .71-.83 .84-1.18 1.19-1.72 11.73-2.73 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 I NElNW 1.00 1.07 1.10 1.15 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67 J E/W 1.00 .71 .57 .19 -.20 -.65 -1.05 -1.48 -2.03 -3.01 -4.06 -5.04 SElSW 1.00 .93 .90 .80 .68 .54 .39 .22 .05 -.33 -.71 -1.01 III , -.13 -.98 -1.09 ~' S 1.00 .95 .92 .83 .70 .54 .36 .13 -.70 ua: DOUBLE PANE GLASS wo ~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 NElNW 1.00 1.11 1.16 1.24 1.32 1.41 1.48 1.56 1.63 1.80 1.94 2.08 E/W 1.00 .88 .82 .66 .50 .31 .15 -.03 -.26 ..66 -1.10 -1.50 I SElSW 1.00 .95 .92 .85 .76 .65 .54 .41 .28 '.01 -.30 -.52 S 1.00 .96 .94 .87 .78 .65 .51 .33 .13 -.30 -.51 -.60 ~ OH LENGTH' Oft. 1 ft. 1 % ft. 2 ft. 3 ft. 3'1, ft 4'12 ft. 5'12 ft. 6'12 ft. 9'12 ft. 14ft. 20ft.+ -' . 'TO SELECT BY OVERHANG LENGTH, NO PART OF GLASS SHALL BE MOHE THAN 8 FT. BELOW THE OVERHANG. /' 6A-11 WALL WINTER POINT MULTIPLIERS IWPMI FRAME CONCRETE BLOCK' FACE BRICK LOG INT. INSULATION XT. INSUL R.V ALUE WOOD FR WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 7.0 6 INCH R-VALUE EXT ADJ EXT ADJ R.VALUE EXT ADJ EXT 7-10.9 2.1 R.VALUE EXT 0-6.9 6.8 5.3 9.4 6.7 0-2.9 6.0 3.1 6.0 11-18.9 1.7 0-2.9 2.2 7-10.9 2.5 2.1 4.4 3.3 3-4.9 3.8 2.3 2.8 19-25.9 1.0 3-6.9 1.2 11-12.9 2.0 1.8 3.3 2.6 5-6.9 2.9 1.9 2.0 26 & Un .6 7 & Uo .9 13-18.9 1.8 1.6 3.0 2.4 7-10.9 2.3 1.5 1.5 R.VALUE BLOCK 8 INCH 19-25.9 1.1 1.0 2.6 2.2 11-18.9 1.5 1.1 .8 0-2.9 3.7 R.V ALUE EXT 26& Un .7 .7 1.4 1.2 19-25.9 .8 .7 3-6.9 2.6 0-2.9 1.2 26 & Un .5 .5 7-9.9 ~~ 3-6.9 .9 10 R. Iln 11 7 R. Iln 7 GA-12 DOOR WINTER POINT MULTIPLIERS 6A.13 CEILING WINTER POINT MULTIPLIERS (WPMI DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOFING R-VALUE WPM R.VALUE WPM CEILING TYPE WOOD 7.6 5.9 19-219 1.0 10-10.9 1.8 R.V ALUE DROPPED EXPOSED --- 22-25.9 .9 11-12.9 1.6 10-13.9 1.2 1.3 INSULATED 5.1 4.0 26-29.9 .7 13-18.9 1.5 14-20.9 .7 .7 30-37.9 .6 19-25.9 1.1 21 & Un .4 .3 . 38 & Uo .4 26-29.9 .6 I 10 R. Iln .1 i 6A-14 FLOOR WINTER POINT MULTIPLIERS IWPMI SLAB.ON.GRADE RAISED RAISED WOOD2 EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT --- CONSTRUCTION FLOOR INSULATION _R-VALUE WPM R.V ALUE WPM RoY ALUE WPM WPM WPM 0-2.9 2.5 0-2.9 4.0 0-6.9 7.9 N/A 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 P.IJn _OJ 7 ~lln A 10 R. Iln 0 ~ 1 n WPM) GA-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM) 6A.16 DUCT MULTIPLIERS OM INFILTRATION PRACTICE WPM __ ~~EE TABLE 9Pl PRACTICE #1 6.2 PRACTICE #2 4.1 2.2 SUPPLY DUCTS IN ONDITIONED SPACE' RETURN DUCTS IN UNCONDITIONED SPACE 1.14 1.10 1.09 1.10 1.07 RETURN DUCTS IN CONDITIONED SPACE 1.10 1.07 1.06 1.00 1.00 SUPPLY DUCTS IN UNCONDITIONED SPACE GA-l? HEATING SYSTEM MULTIPLIERS HSM SYSTEM TYPE __ _1i~_AIIN~S,(STEM MULTIPLIERS (HSMl Central Heat I HSPF 6.40-6.79 6.80-6.89 6.90-7.39 i-7.40-7.89 Pump Units J!HSM .53 .50 .49 .46 -;:~.L_-1~oo.,'."39 104~O~ 10";;:"_=-+__= _1_1.40~61.89. .PT.H_P___ ~ _~_ ~~~-=-.=-~ 2.5~~.6_~. 2.7~~~.89_ 2~0~~,Q~.I~10~~.29 Electnc Strip __ _=-._ . _~ _ ~.._ _ _ 1.0 Gas &_ Oth~! FuelL_ . __ __ ~ _~~ _.._~_ 1.0 ISee'Ta~ 6A:1.6 fgJ Credit Multiplied . =---.=--=----===~_=== MINIMUMS: CENTRAL UNITS-AIR SOURCE SPLIT SYSTEM 6.8 HSPF, SINGLE PKG. 6.6 HSPF, WATER SOURCE 3.8 COP, GROUND WATER SOURCE 3.4 COP, PTHP 2.5-2.7 COP. , FOR MULTIPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 21 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- 7.90-8.39 .43 11,90-12.39 . .1L 3.30-3.49 .30 8.40-8.89 .41 12.40 & u ...g8_ 3.50-3.69 29 8.9-9.39 .38 9.4-9.89 .36 3.70-3.89 .27 3.90-4.19 .26