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<br />..... ~ . _01 POINT MULTIPLIERS (WPM)
<br />
<br />CLIMATE ZONES 4
<br />
<br />"', WINTER OVERHANG FACTORS (WOF)
<br />'.
<br /> OH RATIO I ,00-,11 I ,12-,17 I ,18-,26 I ,27-.35 I ,36-,46 I ,47-,57 I ,58-,70 I 71-,83 ,84-1.18 1.19-1.72 11.73-2.73 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 T39 1.50 1.59 1,67
<br /> Em 1.00 (':71.'/ ,57 ,19 -,20 -,65 -LOS -1,48 -2,03 -3,01 -4,06 -5.04
<br />> SEJSW 1.00 ,93 ,90 ,80 ,68 ,54 ,39 ,22 ,05 -.33 -.71 -1.01
<br />r:D
<br />t;a: 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 />Em 1.00 ,88 ,82 ,66 .50 ,31 ,15 -,03 -.26 -.66 .1.10 -1.50
<br />SEJSW 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 1V2ft 2ft 3ft 3%fl. 41f2fl. 51f2fl. 61f2ft 9V2ft, 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
<br />
<br />WOOD
<br />EXT ADJ
<br />6,8 5.3
<br />2.5 2,1
<br />2.0 ,8
<br />1.8
<br />1.1
<br />,7 '
<br />
<br />
<br />CONCRETE BLOCK1
<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 />,3 1.5
<br />,5 1.1
<br />,8 ,7
<br />,5 .5
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<br />6A-12 DOOR WINTER POINT MULTIPLIERS rw 6A-13 CEILING WINTER POINT MULTIPLIERS (WPMl
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-V ALUE WPM R-V ALUE WPM CEILING TYPE --
<br />WOOD 7,6 5,9 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 />INSULATED C0 @ 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 & Up ,4 .3
<br /> 38 & Up ,4 26-29,9 ,6
<br /> ~o P. Un 4
<br />6A-14 FLOOR WINTER POINT MULTIPLIERS /wPM\
<br />SLAB-ON-GRADE He RAISED RAISED WOO[)2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R-VALUE WPM R-VALUE WPM R-V ALUE WPM WPM WPM
<br />0-2,9 12:5 ') 0-2,9 4,0 0-6,9 7,9 1.8 5.3
<br />3-4,9 '-:r.f 3-4,9 1.8 ; 7-10,9 2,1 .7 2,1
<br />5-6,9 -2,4 5-6,9 1.1 ,i 11-18,9 1.5 ,5 1.8
<br />7 R. Iln -?7 7 P. Un R HIP. Iln Q ,3 1 n
<br />
<br />PM)
<br />
<br /> 6A-16 DUCT MULTIPLIERS IOM\
<br /> RETURN DUCTS RETURN DUCTS
<br /> R-VALUE 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 rl,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 /> f',7 P. Un 1 Of', 100
<br />6A.17 HE;. G SYSTEM MULTIPLIERS IHSM\
<br />SYSTEM T HEATING SYS~L TlPLlERS (HSM
<br /> -- '
<br />Central Hea. 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 & up
<br /> HSM ,34 ,33 .31 .30 .29 .28
<br />PTHP COP 2.50-2,69 2.70-2,89 2,90-3,09 _1JO-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 Stnn 1.0
<br />Gas & LP Gas 1,0 (See Table 6A-18 for Credit Multiplierl
<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 SEETABLES 6-6 TO 6-8,
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<br />6A-1S 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 />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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