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<br />WINTER POINT MULTIPLIERS (WPM)
<br />
<br />CLIMATE ZONES
<br />
<br />6A'=10 \VINTER OVERHANG FACTORS (WOAl\.
<br />
<br />..
<br />
<br />OH RATIO
<br />
<br />,00-,11 :.12-,17\ ,18-,26 .27-,35 ,36-,46 ~ ',58=:-70- ,71'.83 .84-1,18 11.19-1.72 11.73-2,73
<br />\ r SINGLE PANE GLASS"
<br />1.00 1,03 1.05 1.08 1.10'------ 1.13 1.15.-""'1/ 1.18 1.20 1.24 1.29
<br />1.00 1.07 1.10 1,15 1.20 1.25 1,30 1.35 1.39 1,50 1.59
<br />1.00 ,71 ,57 .19 -.20 -.65 -1.05 -1.48 -2.03 -3.01 -4,06
<br />1.00_ . .93 .90 .80 ,68 ..54 ._..:~L_. .22 f----'05 -.33 -.71
<br />1.00 \ ,95 J ,92 ,83 ,70 .54 ,36 .13 '.13 -,70 -,98
<br />'----/ DOUBLE PANE GLASS
<br />1,00 1.05 1,07 1.11 1.14 1.18 1.21 1.24 1.28 1,34 1,40
<br />1.00 1.11 1,16 . 1.24 1,32 1,41 1.48 1.56 1.63 1.80 1,94
<br />1.00 .88 ,82 .66 ,50 .31 .15 -.03 -.26 -.66 -1.10
<br />1.00 ,95 ,92 .85 ,76 .65 .54 .41 ,28 -,01 -.30
<br />1,00 .96 .94 ,87 .78 .65 ,51 .33 ,13 -,30 -,51
<br />Oft. 1ft. l'/,ft, 2ft, 3ft. 3V,ft. 4Y,ft, 5Y,ft, 6'1: ft. 9V,ft, 14ft.
<br />'TO SELECT BY OVERHANG LENGTH, NO PART OF GLASS SHALL BE MORE THAN 8 FT. BELOW THE OVERHANG.
<br />
<br />>-
<br />m
<br />I-
<br />ua:
<br />wO
<br />-'
<br />w
<br />en
<br />
<br />N
<br />NEiNW
<br />ENJ
<br />SEiSW
<br />S
<br />
<br />~
<br />
<br />N
<br />NEiNW
<br />E/W
<br />SEiSW
<br />S
<br />OH LENGTH"
<br />
<br />5
<br />
<br />2,74+
<br />
<br />1,34
<br />1.67
<br />-5,04
<br />-1,01
<br />,_.
<br />-1,09
<br />
<br />1.47
<br />2.08
<br />-1..50
<br />-,52
<br />-,60
<br />20ft,+
<br />
<br />6A.ll WALL WINTER POINT MULTIPLIERS (WPM)
<br /> FRAME CONCRETE BLOCK' FACE BRICK
<br /> INT. INSULATION EXT. INSUL R-VALUE WOOD FR -
<br /> WOOD STEEL NORMAL WT. NOR. WT. 0-6,9 7.0
<br />R-VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10,9 2,1 R-VALUr.: ---
<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,cr) (1,8) 3,3 2,6 5-6.9 2.9 1,9 2,0 26 & Up ,6 7 & Uo .9
<br />13-18.9 1,8 1,6 3,0 2.4 7-10.9 2,3 1.5 1.5 R-V ALUE BLOCK 8 INCH
<br />19-25,9 1.1 1,0 2,6 2.2 11-18.9 1.5 1,1 .8 0-2,9 3.7 R-V ALUE EXT
<br />26& Uo .7 .7 1.4 1.2 19-25,9 .8 ,7 3-6,9 2.6 0-2.9 1.2
<br /> 26 & Uo ..5 ,5 7-9.9 1.8 3-6.9 ,9
<br /> 10& Uo 1.3 7 fl,lln 7
<br />
<br /> 6A-13 CEILING WINTER POINT MULTIPLIERS (WPM)
<br /> UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-V ALUE WPM R-V ALUE WPM CEILING TYPE
<br /> 19.21.9 1,0 10-10,9 1.8 R-V ALUE DROPPED EXPOSED on
<br /> ??-'?'l Q ,Q .J 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 /> :vI!l. Un 4
<br />6A.14 FLOOR WINTER POINT MULTIPLIERS (WPM)
<br />SLAB-ON-GRADE RAISED RAISED WOO[)2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R.VALUE .~ R-VALUE WPM R-V ALUE WPM WPM WPM
<br />\'..0-2.9 2.s.---- 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 JI. lln -? 7 7 JI. lln R Hl!l.lln Q .::1 10
<br />
<br />RETURN DUCTS
<br />IN CONDITIONED SPACE
<br />1.10
<br />1.07
<br />1.06
<br />1.00
<br />1.00
<br />
<br />6A.12 DOOR WINTER POINT MULTIPLIERS WPM)
<br />DOOR TYPE EXTERIOR ADJAf;ENT
<br />
<br />WOOD 7.6
<br />
<br />INSULATED
<br />
<br />6A-1S INFILTRATION WINTER POINT MULTIPLIERS (WPM) 6A-16 DUCT MULTIPLIERS OM
<br />
<br />., INFILTRATION PRACTICE
<br /> (SEE TABLE 6A-21l WPM
<br /> --------~_._-
<br />PRACTICE #1 6,2
<br />r ClACTICE #2 4.1.>
<br /> 1/1 2.2
<br />
<br />RETURN DUCTS
<br />IN UNCONDITIONED SPACE
<br />1.14
<br />
<br />SUPPLY DUCTS IN
<br />UNCONDITIONED SPACE
<br />
<br />
<br />8.9-9.39
<br />.38
<br />
<br />SUPPLY DUCTS IN
<br />CONDmONED SPACE'
<br />
<br />6A-17 HEATING SYSTEM MULTIPLIERS HSM
<br />S..Ys.LE1!'ID'e~ ____ ___ u___~
<br />Central Heat
<br />Pump Units
<br />
<br />_.~~TlNG SYSTEM MULTIP
<br />6,80-6,89 6,90-7.39 7.40-7.89
<br />.50 .... .. .49 .46
<br />10.40-10.89 10,90-11.39 1.
<br />.33 .31 .30 _
<br />2,70-2,89 2,90-3.09 3.10-3,29
<br />,37 ,34 .32
<br />
<br />3.70.3..89
<br />.27
<br />
<br />PTHP
<br />
<br />HSPF
<br />HSM
<br />HSPF
<br />HSM
<br />COP
<br />HSM
<br />
<br />6.40.6.79
<br />.53
<br />9,90-10.39
<br />,34
<br />2.50-2,69
<br />.40
<br />
<br />~Q-8.39 _
<br />.43
<br />11.90-12.39
<br />
<br />13:3lhg
<br />i_ .30
<br />
<br />8.40-8.89
<br />.41
<br />19,4Qn& U
<br />,28
<br />3.50,3.69
<br />,29
<br />
<br />9.4-9.89
<br />.36
<br />
<br />3,90-4.19
<br />2.L__
<br />
<br />..Electric Strip ___ . 1.0
<br />Gas & .LP Gas _______._..-LO{~~~ ~A' ~ for Credit Multiplier). . __on
<br />MINIMUMS: CENTRAL UNITS-AIR SOURCE SPLIT SYSTEM 6,8 HSPF, SINGLE PKG. 6,6 H'cPF ~~~S "riCE 3.8 COP, GROUND WATER SOURCE 3.4 COP, PTHP SEE TABLES 6-6 TO 6-8.
<br />
<br />1 FOR MULTIPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SFr
<br />SECTION 3.1 OF APPENDIX C. 3 DUCTS IN CONDITIONED SPACE NEED TO B:
<br />
<br />'0'
<br />
<br />I OF APPENDIX C, 2 MULTIPLIERS FOR OTHER TYPES OF RAISED WOOD ASSEMBLIES SEE
<br />~YE R-VALUE NECESSARY TO PREVENT CONDENSATION,
<br />
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