<br />I'
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<br />WINTER POINT MULTIPLIERS (WPM)
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<br />CLIMATE ZONES 4 5 6
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<br />6A-10 WINTER OVERHANG FACTORS (WOF)
<br />J OH RATIO I .00-.11 I .12-.17 I .18-.26 .27-.35 I .36-.46 I .47-.57 I .58-.70 .71-,83 ,84-1.18 1.19-1.72 1,73-2.73 I 2.74+
<br /> SINGLE PANE GLASS
<br />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
<br />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
<br />EN! 1.00 .71 .57 /f.19J -.20 -.65 -1.05 -1.48 -2.03 -3,01 -406 -5.04
<br />SE/SW 1.00 .93 .90 .80 .68 .54 .39 .22 .05 -.33 -.71 -1.01
<br />ba: S 1.00 1 .95 .92 ,83 .70 .54 .36 ,13 -,13 -.70 -,98 -1.09
<br />l DOUBLE PANE GLASS
<br />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
<br />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
<br />EN! 1.00 .88 .82 .66 .50 ,31 .15 -.03 -.26 -.66 -1.10 -1.50
<br />SE/SW 1.00 .95 ,92 .85 .76 .65 .54 .41 .28 -.01 ,,30 -.52
<br />S 1.00 ,96 .94 ,87 .78 .65 .51 ,33 ,13 -,30 -.51 -.60
<br />OH lENGTH' Oft. 1 ft. 1% ft. 2ft. 3ft. 3% ft. 4%ft, 5'12 ft. 6%ft, 9% ft. 14ft, 20 ft.+
<br /> 'TO SElECT BY OVERHANG LENGTH. NO PART OF GLASS SHALL BE MORE THAN 8 FT. BELOW THE OVERHANG.
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<br />6A-11 WALL WINTER POINT MULTIPLIERS (WPM)
<br /> FRAME ~;jJ CONCRETE BLOCK' FACE BRICK LOG
<br /> INT. INSULATION I:XT. INSUL R-VALUE WOOD FR
<br /> WOOD STEEL NORMAL WT, NOR. WT. .. 0-6.9 7.0 6 INCH
<br />R.VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10,9 2.1 R-V ALUE EXT
<br />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
<br />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
<br />11-12,9 2,0 /1'.6) 3,3 2,6 , 5-6.9 ~. 1.9 2.0 26 & Up ,6 7 & Up ,9
<br />13-18.9 1.8 1.6 3.0 2,4 ,'.: 7-10.9 2.3 1.5 1.5 R-VALUE BLOCK 81NCH
<br />19-25.9 1.1 (10) 2,6 2.2 .. 11-18.9 1,5 1.1 ,8 .'. 0-2.9 3,7 R-VALUE EXT
<br />26& Un .7 .7 1.4 1.2 19-25.9 ,8 ,7 3-6,9 2.6 0-2,9 1.2
<br /> 26 & Up .5 .5 7-9,9 1.8 3-6.9 .9
<br /> 10& Un 1,3 7 & Un ,7
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<br />6A-12 DOOR WINTER POINT MULTIPLIERS 6A-13 CEILING WINTER POINT MULTIPLIERS (WPM)
<br />DOOR TYPE EXTERIOR ADJACENT UNDER A mc SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-VALUE WPM R-VALUE WPM CEILING TYPE
<br />WOOD 7.6 5.9 19-21.9 1,0,---> 10-10.9 1.8 R-V ALUE DROPPED EXPOSED
<br /> 22-25.9 .~-- ,9 11-12.9 1,6 10-13,9 1.2 1.3
<br /> , ,,' , 26-29.9 .7 13-18,9 1.5 14-20.9 .7 ,7
<br />INSULA TED \, 5,1,) 4.0) 30-37.9 .6 19-25.9 1.1 21 & Un .4 .3
<br /> 38 & Up .4 26-29.9 .6
<br /> 30 & IIn .4
<br />6A-14 FLOOR WINTER POINT MULTIPLIERS (WPM)
<br />SLAB-ON-GRADE RAISED RAISED WOOD2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSUL.A;iON
<br />R-VALUE WPM R-VALUE WPM R-VALUE WPM WPM WPM
<br />0-2.9 2,5 ) 0-2.9 4.0 0-6.9 7.9 1.8 5.3
<br />3-4.9 -1.7 3-4.9 1.8 7-10.9 2,1 .7 2.1
<br />5-6.9 .2.4 ." 5-6,9 1.1 11-18.9 1.5 .5 1,8
<br />7 8. Un -2,7 7 & Un ,8 1QR. Un 9 ,3 10
<br />
<br />WPM)
<br />
<br />6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM)
<br />INFILTRATION PRACTICE WPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1 6.2
<br />PRACTICE #2 4.1
<br />
<br />6A-16 DUCT MULTIPLIERS (OM)
<br /> RETURN DUCTS RETURN DUCTS
<br /> R-V ALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE
<br />SUPPLY DUCTS IN 4.2-5.9 1.14 1.10
<br />UNCONDITIONED SPACE 6.0-6,6 .1.10: 1.07
<br />6,7 & Un 1.09 1.06
<br />SUPPLY DUCTS IN 4.2-5,9 1,10 1.00
<br />CONDITIONED SPACE' 6.0-6.6 1.07 1.00
<br />6,7 & Un 1,06 100
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<br />6A.17 HEATING SYSTEM MULTIPLIERS HSM
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<br />:~:L_ ... ....~~ .~_ -::i~~1:~~~~~ ~P;~!~;i~~f~~:~:\8~~;r-~~~
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<br />' Electric Stri 1 ,O______u___ __
<br />j3as & LP Gas 1.0 (See Table 6A-18 for.Qredit MUltiplier) _~___~_____
<br />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.
<br />
<br />, 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
<br />SECTION 3.1 OF APPENDIX C. 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R.VALUE NECESSARY TO PREVENT CONDENSATION.
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<br />.5.
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