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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 .00-,11 ,12-.17 I ,18-,26 ,27-.35 I ,36-.46 .47-,57 .58-.70 I ,71-.83 I ,84-1,18 11.19-1.72 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 />E/W 1.00 ,71 .57 ,19 -,20 -,65 -1.05 -1,48 -2,03 -3,01 -4,06 -5,04
<br />SE/SW 1.00 .93 ,90 ,80 ,68 ,54 ,39 ,22 ,05 -,33 -.71 -1.01
<br />....a: S 1.00 ,95 ,92 .83 ,70 ,54 ,36 ,13 -.13 -.70 -,98 -1.09
<br />~o DOUBLE PANE GLASS
<br />~l 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 />E/W 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. 1Y,ft, 2ft, 3ft, 3% ft. 4% ft. 5'!, ft, 6%ft, 9% ft, 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
<br />FRAME
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<br />R-V 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 />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 />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
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7,6 5.9
<br />INSULATED 5,1 4.0
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<br />WPM)
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<br />6A-13 CEILING WINTER POINT MULTIPLIERS (WPM)
<br />UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br />R-VALUE WPM R.VALUE WPM CEILING TYPE
<br />19-21.9 1,0 10-10.9 1.8 R-VALUE 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 />30-37,9 ,6 19-25.9 1.1 21 & Uo .4 ,3
<br />38 & Uo .4 26-29,9 ,6
<br /> ::10 & Un A
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<br />6A-14 FLOOR WINTER POINT MULTIPLIERS IWPM)
<br />SLAB-ON-GRADE IT... RAISED .i. RAISED WOO[)2
<br />EDGE INSULATION :.T.i. CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R.V ALUE WPM n.ri R-VALUE WPM R-VALUE WPM WPM WPM
<br />0-2,9 2.5 i.i 0-2,9 4,0 L 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 ITT 5-6,9 1.1 Itt 11-18.9 1.5 .5 1,8
<br />7 & Iln -?7 Iii 7 R. Iln R 1Q R. Iln Q ::I 1 n
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<br />6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM)
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<br /> 6A.16 DUCT MULTIPLIERS IDM)
<br />INFILTRATION PRACTICE WPM RETURN DUCTS RETURN DUCTS
<br /> ISEE TABLE 6A-21\ R.V 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 UNCONDITIONED SPACE 6.0-6,6 1.10 1.07
<br /> :J!"l ?? 6,7 & Uo 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 /> F; 7 R.lln 1 nF; 1 nn
<br />6A-17 HEATING SYSTEM MULTIPLIERS IHSM)
<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, GROUNO WATER SOURCE 3.4 COP, PTHP SEE TABLES 6-6 TO 6-8,
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<br />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
<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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