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. WINTER POINT MULTI~LIERS (WPM) CLIMATE ZONES 4 5 ~ 6A-10 WINTER OVERHANG FACTORS (WOF)! ~\ r OH RATIO I .00-.11 I 1}l2-.1?\ I .16-.26 I .27-.35 I .36-.46 I .47-.57 .56-.70 I .71-.63 .64-1.16 1.19-1.72 1.73-2.73 I 2.74+ \ SINGLE PANE GLASS N 1.00 1.03 1.05 1.06 1.10 1.13 1.15 1.16 1.20 1.24 1.29 1.34 NE/NW 1.00 1.07 1.10 1.15 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67 >-1 EfIN 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 .60 .68 .54 .39 .22 .05 -.33 -.71 -1.01 ~I S 1.00 \ .95 I .92 .63 .70 .54 .36 .13 -.13 -.70 -.96 -1.09 ua: '-../ DOUBLE PANE GLASS wO ~I N 1.00 1.05 1.07 1.11 1.14 1.16 1.21 1.24 1.26 1.34 1.40 1.47 I NE/NW 1.00 1.11 1.16 1.24 1.32 1.41 1.46 1.56 1.63 1.60 1.94 2.06 EfIN 1.00 .66 .62 .66 .50 .31 .15 -.03 -.26 -.66 -1.10 -1.50 l SE/SW 1.00 .95 .92 .65 .76 .65 .54 .41 .26 -.01 -.30 -.52 S 1.00 .96 .94 .67 .76 .65 .51 .33 .13 -.30 -.51 -.60 OH LENGTH' Oft. 1 ft. 1'12 ft. 2 ft. 3ft. 3'12 ft. 4'12 ft. 5'12 ft. 6'12 ft. 9'12 ft. 14ft. 20ft.+ :TO SELEGJ BY OYERHANG LENGTH. NO PART OF GLASS SHALL BE MORE THAiN 8 FT BELOW THE OVERHANG. 6A-11 WALL WINTER POINT MULTIPLIERS (WPM I FRAME CONCRETE BLOCK' FACE BRICK LOG INT. INSULATION ~XT. INSUL R-VALUE WOOD FR WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 7.0 6 INCH ~-VALUE EXT ADJ EXT ADJ R.V ALUE EXT ADJ EXT 7-10.9 2.1 R-V ALUE EXT . 0-69 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 22 7-10.9 ?'l 2.t 4.4 3.3 3-4.9 3.6 2.3 2.6 19-25.9 1.0 3-6.9 1.2 11-12.9 (2.D ') ( (8'1 3.3 2.6 5-6.9 2.9 1.9 2.0 26 & Uo .6 7 & Uo .9 13-18.9 1.6 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 11-16.9 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 .6 .7 3-6.9 2.6 0-2.9 1.2 26 & Uo .5 .5 7-9.9 1.6 3-6.9 .9 1n R. Iln 1<1 7 & Un 7 6A-12 DOOR WINTER POINT MULTIPLIERS WPM) DOOR TYPE EXTERIOR ADJACENT INSULATED 6A-13 CEILING WINTER POINT MULTIPLIERS (WPM) UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE WPM R.VALUE WPM CEILING TYPE 19-21.9 1.0 10-10.9 1.8 R-VALUE DROPPED EXPOSED 22-25.9 1'.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 & Uo .4 .3 36 & Uo .4 26-29.9 .6 ~R.lln '" WOOD 6A-14 FLOOR WINTER POINT MULTIPLIERS (WPM\ SLAB-ON-GRADE RAISED RAISED WOO[)2 POST OR P!~R STEM WALL wi UNDER EDGE INSULATION CONCRETE CONSTRUCTION FLOOR INSULATION ADJACENT R-V ALUE WPM R-VALUE WPM R.VALUE WPM WPM WPM 0-2.9 1'?"2.5 ') 0-2.9 4.0 0-6.9 7.9 1.8 5.3 3-4.9 --r,:r 3-4.9 1.6 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 71/.1In -? 7 7 P'lln R HIP.lln a ~ 1 n 6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM) INFILTRATION PRACTICE WPM SEE TABLE 6A-21 PRACTICE #1 PRACTICE #2 6A-16 DUCT MULTIPLIERS OM SUPPLY DUCTS IN UNCONDITIONED SPACE RETURN DUCTS IN UNCONDITIONED SPACE 1.1 RETURN DUCTS IN CONDITIONED SPACE 1.10 1.07 1.06 1.00 1.00 SUPPLY DUCTS IN CONDmONED SPACE' 6A-17 HEATING SYSTEM MULTIPLIERS HSM SYSTEM TYPE HEATING SYSTEM MULTIPLIERS (HSM) -- Central Heat HSPF _ 6.40-6.79 6.60-6.89 6.90-7.39 7.90-8.39 6.40-8.89 8.9-9.39 9.4:9.flli Pump Units HSM .53 .50 .49 .43 .41 .38 .36 HSPF 9.90-10.39 10.40-10.89 10.90-11.39 11.90-12.39 12.40 & u :'":' ___..~ _._.__.,_,______n___ HSM .34 .33 .31 .29 .26 PTHP CQP__ 2.50-~.69 2.70-2.89 2.9()-3.09 3.30-3.49 3.50-3.69 3.70-3.89 3.90-4J31 -_._._---~_._. HSM .40 .37 .34 .30 .29 .27 .26 ~~c;tric_$tri!L__ ______~______n~U_. 1.0 ___________ GJI,S& LP G(iS _ _ ~_ __ _____________ _________...LQJSee Table 6A-18 for Credit MultiDI~L --- 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 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,