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WINTER POINT. MULTIPLIERS (WP~ CLIMATE ZONES 4 5 6' 6A~10 WINTER OVERHANG FACTORS (WOF) _ /' r....' r OH RATIO .00-.11 .12-.17 .18-.26 ":27-.3~ I .06-.46 .47-.57 I .58-.70 .71-.83 .84-1.18 1.19-1,72 r 1.73-2.73 I 2.74+ \ SINGLE PANE GLASS N 1,00 1.03 1.05 \ 1.00 1,10 1.13 1.15 1.18 1.20 1.24 1.29 1.34 I 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 EIW 1.00 .71 .57 .19 -.20 -.65 -1.05 -1.48 -203 -3.01 -4.06 -5.04 iiil SE/SW 1.00 .93 .90 .80 .68 .54 .39 .22 05 -.33 -.71 -1.01 l- S 1.00 .95 .92 .83 .70 .54 .36 .13 -,13 -.70 -.98 -1.09 <.>lJ: DOUBLE PANE GLASS wO m[ 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 EIW 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 1.00 .96 .94 \ .87 .78 .65 .51 .33 .13 -.30 -.51 -.60 OH LENGTH' Oft. 1 ft. 1'1, ft. \ 2ft. 3 ft. 3% ft. 4'1, ft. 5% ft. 6% ft. 9'1,ft. 14ft. 20ft.+ 'TO SELECT BY OVERHANG LENGTH, "Q P~T OF GLASS SHALL BE MORE THAN 8 FT. BELOW THE OVERHANG. 6A-ll WALL WINTER POINT MULTIPLIERS IWPMI FRAME R-VALUE 0-6.9 7-10.9 11-12.9 13-1B.9 19-25.9 26& Uo WOOD EXT ADJ 6.8 5.3 2.5 21 2.0 1.B 1.B 1.6 1,1 1.0 .7 .7 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 6A-12 DOOR WINTER POINT MULTIPLIERS WP DOOR TYPE EXTERIOR ADJAC:;NT WOOD 7.6 5.9 _ V INSULATED 5.1 ____' 4.0 M) R-VALUE 0.2.9 3-4.9 5-6.9 7-10.9 ll-lB.9 19-25.9 26 & Up CONCRETE BLOCK' INT. INSULATION ~XT. INSUL NORMAL WT. NOR. WT. EXT ADJ EXT 6.0 3.1 6.0 3.B 2.3 2.B 2.9 1.9 2.0 2.3 1.5 1.5 1.5 1.1 .B .B .7 .5 .5 FACE BRICK R-V ALUE WOOD FR 0-6.9 7.0 7-10.9 2.1 ll-lB.9 1.7 19-25.9 1.0 26 & Up .6 R-V ALUE BLOCK 0-2.9 3.7 3-6,9 2,6 7-9.9 1.8 10 & Un 1.3 LOG 6 IN"H R-VALUE EXT 0-2.9 2.2 3-6.9 12 7 & Uo .9 8 INCH R-VALUE EXT 0-2.9 1.2 3-6.9 .9 71l. Iln 7 6A-13 CEILING WINTER POINT MULTIPLIERS (WPM) UNDER A TIlC 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 .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 38 & Up .4 26-29.9 .6 30 & Uo .4 6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM) (6A-1i DUCT MULTIPLIERS OM INFILTRATION PRACTICE WPM ..'_ SEE TABLE 6A-21 PRACTICE #1 2 SUPPLY DUCTS IN PRACTICE #2 4.1 UNCONDITIONED SPACE SUPPLY DUCTS IN CONDITIONED SPACE' 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 CONSTRUCTION FLOOR INSULATION R-VALUE WPM R.VALUE WPM R-VALUE WPM WPM WPM 0-2.9 2.5 0-2.9 4.0 0-6.9 7.9 1.8 5.3 3-4.9 -1.Y 3-4,9 1.8 7-10.9 2.1 .7 2.1 5-6.9 -2.4 5-6.9 1.1 ll-lB.9 1.5 .5 1.8 71l. lJn -? 7 71l. lJn A HI & [In Q :.l 1 n RETURN DUCTS IN CONDITIONED SPACE 1.10 1.07 1.06 1.00 1.00 6A-17 HEATING SYSTEM MULTIPLIERS IHSMI JYSL~_M TYJ'L__ ._~_ ~_ HEATING SYSTEM MULTIPLIERS (HSM) ------- Central Heal HSPF 6.40-6.79 6.80-6.89 6.llE1-7.39 7.40-7.89 7.90-8.39 8.40-8.89 8.9-9.39 9.4-9.89 Pump Units HSM .53 .50 , .49 '") .n ,46 .43 .41 .38 .36 HSPF 9.90-10.39 10.40;10.89 10.90-11.39 11.40-11.89 11.90-12.39 -no 12.40 & up .-._~ ------ 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 3.90-4J.L - ~ illl~___ . .40 -... _----"':fL..__ '--_ .34 .32 .30 ,29 .27 .26 Electric Strip ~-- . . - ------ - 0- _________.____~_.__ -------------. 1.0 ----- - ---,---------- Gas & LP Gas _.~ --------- ---------- LQJ$ee T~Q1~6A:l6Jor Credit Multiplier) 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-