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ft' I, __... WINTER POINT MULTIPLIERS (WPM) CLIMATE ZONES 4 5 6 6A-10 WINTER OVERHANG FACTORS (WOF) ~ OH RATIO I .00-.11 I .12-.17 .18-.26 .27-.35 I .36-.46 I .47-.57 .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 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 E/W 1.00 .71 .57 1"'--:-1'9) -.20 -.65 -1.05 -1.48 -2.03 -3.01 -4.06 -5.04 >- SEJSW 1.00 .93 .90 '110 .68 .54 .39 .22 .05 -.33 -.71 -1.01 a:I I-a: S i 1.00 ") .95 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 -1.09 ~[ DOUBLE PANE GLASS 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 NEJNW 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 -150 SEJSW 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. 1'12 ft. 2ft. 3ft. 3'h ft. 4'hft. 5'12 ft. 6'h ft. 9'!:> ft. 14ft. 2011.+ 'TO SELECT BY OVERHANG LENGTH, NO PART OF GLASS SHALL BE MORE THAN 8 FT. BELOW THE OVERHANG. CONCRETE BLOCK' INT. INSULATION NORMAL WT, EXT ADJ 6.0 3.1 /3.8 2.3 1.9 1.5 1.1 .7 .5 ". 6A-12 DOOR WINTER POINT MULTIPLIERS fW 6A-13 CEILING WINTER POINT MULTIPLIERS (WPMl DOOR TYPE EXTERIOR ADJACENT UNDER ATIlC SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE WPM R-VALUE WPM CEILING TYPE WOOD 7.6 5.9 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 INSULATED (5:1) (4.0) 30-37.9 .6 19-25.9 1.1 21 & Up .4 .3 38 & Uo .4 26-29.9 .6 ~OR. UO .4 6A-14 FLOOR WINTER POINT MULTIPLIERS (wPMl SLAB-ON-GRADE ['! RAISED RAISED WOO[)2 .... POST OR PIER STEM WALL wI UNDER EDGE INSULATION t., CONCRETE ADJACENT CONSTRUCTION FLOOR INSULATION R-VALUE WPM R-VALUE WPM i R-VALUE WPM WPM WPM 0-2.9 /2.5 ) 0-2.9 4.0 iii. 0-6.9 7.9 1.8 5.3 3-4.9 ~f.7 3-4.9 1.8 .+ 7-10.9 2.1 -, 2.1 .j 5-6.9 -2.4 5-6.9 1.1 11-18.9 1.5 ,. 1.B .,) 7 RolJn -'7 7 & IJn R 1Q Rolin .9 .:1 10 PM) ~ ~t ~* 'r.'; t ~ ~ ~t ~.. ~.. f~;,' ~:' rr~ i' 6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM) INFILTRATION PRACTICE WPM SEE TABLE 6A-21 PRACTICE #1 PRACTICE #2 6A-16 DUCT MULTIPLIERS (OM) RETURN DUCTS RETURN DUCTS R-VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 UNCONDITIONED SPACE 6.0-6.6 ;1.10) 1.07 6.7 & Uo 1.09 1.06 SUPPLY DUCTS IN 4.2-5.9 1.10 1.00 CONDITIONED SPACE3 6.0-6.6 1.07 1.00 117 R. IJn 1.06 100 6A.17 HEATING SYSTEM MULTIPLIERS HSM ~YSTEM TY~E Central Heal Pump Unils HEATING S STEM MU TIPLlER~JH~Ml_ ______~_______,__ HSPL_ B.4D-6.ZL 6.80:Q,B9 _6.9Q-Z"~ _lAQ-7,!!L _J90_!!'~_MQ-!!'!!~1-!!'!J_9'~!J-fJ.4-9'89 HS~ .53 .50 -.49 __.A~_ __--'-4~_ __AL___ --,:3!!______d_.~l)_ HSPF 9.90-10.39 10.40-10.89 10.90-11.39 lHHL!!fJ _lJ90-12,~ ...J.g.4Q~1JL________ ~~ 'sO.~69 "0':,, ,00':.09. "o"i.29 ',;,':49 ~sO':6L FQ,gi~ :::~..!JQ-4J~=~ HSM .40 .37 .34 .32 .30 .29 __, _gZ__ -~.1l)__ Electric Stri 1.0 Gas & LP Gas 1_0 (See Table 6A-18 lor Credit Multiplierl __________ 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. PTHP 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 CONDENSATlGi'J. .5-