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<br />'.
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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 OYERHANG FACTORS (WOF)
<br />J OH RATIO ,00-,11 1 ,12-,17 ,18-,26 ,27-,35 1 ,36-,46 .47-,57 ,58-,70 ,71-,83 T ,84-1.18 1,19-1,7211,73-2.73\ 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 />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
<br />EIW 1.00 ,71 ,57 ,19 -,20 -,65 -1.05 -1.48 -2,03 -3,01 -4,06 -5,04
<br />SElSW 1,00 ,93 ,90 ,80 ,68 ,54 ,39 ,22 ,05 -,33 -,71 -1.01
<br />tia: S 1,00 ,95 ,92 ,83 ,70 ,54 ,36 ,13 -,13 -,70 -,98 -1,09
<br />~[ 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 />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
<br />EIW 1.00 ,88 ,82 ,66 ,50 ,31 ,15 -,03 -,26 -,66 -1,10 -1,50
<br />SElSW 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, l%ft, 2ft, 3ft, 3%ft, 4'12ft, 5%ft, 6%ft, 9'12ft, 14ft, 20ft,+
<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
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<br />FRAME
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<br />WOOD
<br />EXT ADJ
<br />6,8 5,3
<br />2,5 2,1
<br />2,0 1,8
<br />1,8 1,6
<br />1,1 1,0
<br />,7 ,7
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<br />R.Y ALUE
<br />0-6,9
<br />7-10,9
<br />11-12,9
<br />13-18,9-
<br />19-25,9
<br />26&U
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<br />STEEL
<br />EXT ADJ
<br />9.4 6,7
<br />4.4 3,3
<br />3,3 2,6
<br />3,0 2.4
<br />2,6 2,2
<br />1.4 1,2
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<br />CONCRETE BLOCK'
<br />INT. INSULATION
<br />NORMAL WT.
<br />EXT ADJ
<br />6,0 3,1
<br />3,8 2,3
<br />2,9 1,9
<br />2,3 1,5
<br />1,5 1,1
<br />,8 ,7
<br />,5 ,5
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<br />6A.12 DOOR WINTER POINT MULTIPLIERS 6M3 CEILING WINTER POINT MULTIPLIERS (WPM)
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-Y ALUE WPM R.YALUE WPM CEILING TYPE
<br />WOOD 7,6 5,9 19-21,9 1,0 10-10,9 1.8 R-Y ALUE DROPPED EXPOSED
<br /> 22-25,9 ,9 11-12,9 1,6 10-13,9 1,2 1.3
<br />INSULATED 5,1 4,0 26-29,9 ,7 13-18,9 1.5 14-20,9 ,7 ,7
<br /> 30-37,9 ,6 19-25,9 1,1 21 &Uo .4 ,3
<br /> 38 & Uo .4 26-29,9 ,6
<br /> ~&Uo -",
<br />6A.14 FLOOR WINTER POINT MULTIPLIERS (WPMl
<br />SLAB-DN-GRADE I/i.//: RAISED J RAISED WOO[)2
<br />EDGE INSULATION II CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R.YALUE WPM Ii. R-YALUE WPM i,i./ R.Y ALUE WPM WPM WPM
<br />0-2,9 2,5 0-2,9 4,0 j 0-6,9 7,9 1,8 5,3
<br />3-4,9 -1,7 Iii 3-4,9 1.8 fe, 7-10,9 2,1 ,7 2,1
<br />5-6,9 -2.4 5-6,9 1,1 L:r 11-18,9 1,5 ,5 1,8
<br />7 I/. Iln -? 7 hJ 7 I/. Iln R // HII/. Iln Q ::l 1 n
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<br />WPM)
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<br /> 6A.16 DUCT MULTIPLIERS IOMl
<br />INFILTRATION PRACTICE WPM RETURN DUCTS RETURN DUCTS
<br /> {SEE TABLE 6A-21\ R-Y ALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE
<br />PRACTICE #1 6,2 SUPPLY DUCTS IN 4,2-5,9 1,14 1,10
<br />PRACTICE #2 4,1 6,0-6,6 1,10 1,07
<br /> ?? UNCONDITIONED SPACE 6,7 & Un 1,09 1,06
<br /> SUPPLY DUCTSIN 4,2-5,9 1,10 1,00
<br /> CONDITIONED SPACE' 6,0-6,6 1,07 1.00
<br /> -Fi'7illn 1(ii:; 1-00
<br />6A.17 HEATING SYSTEM MULTIPLIERS (HSM)
<br />SYSTEM TYPE HEATING SYSTEM MULTIPLIERS {HSM
<br />Central Heat HSPF 6,40-6,79 6,80-6,89 6,90-7,39 7,40-7,89 7,90-8,39 8.40-8,89 8,9-9,39 9.4-9,89
<br />Pump Units HSM ,53 ,50 ,49 .46 .43 .41 ,38 ,36
<br /> HSPF 9,90-10,39 10,40-10,89 10,90-11,39 11.40-11,89 11.90-12,39 12,40 & uo
<br /> HSM ,34 ,33 ,31 ,30 ,29 ,28
<br />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 3,90-4,19
<br /> HSM .40 ,37 ,34 ,32 ,30 ,29 ,27 ,26
<br />Electric Strio 1,0
<br />Gas & LP Gas 1,0 (See Table 6A-18 for Credit Multiolier\
<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,
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<br />6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM)
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<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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