<br />WINTER POINT MULTIPLIERS (WPM)
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<br />98 WINTER OVERHANG FACTORS (WOF)
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<br />CLIMATE ZONES 4 56
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<br />~ OH RATIO 1.0 .11 .12 ,17 .18 .26 .27 .35 .36,46 1,47 .57 .58 .70 T .71 .83 ,84 1.18 [ 1.19 1.72 1.73 2.73 2.74+
<br />I SINGLE PANE GLASS
<br />I N 1.0 1.03 1.05 1.08 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1.34
<br />I
<br />I NElNW 1.0 1.07 1.10 1.15 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67
<br />I
<br />I E/W 1.0 .71 ,57 .19 -.20 -,65 -1.05 -1,48 -2.03 -3.01 -4,06 -5.04
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<br />>-1 SElSW 1,0 ,93 .90 ,80 ,68 ,54 .39 .22 ,05 -.33 -.71 -101
<br />all S 1.0 .95 .92 .83 ,70 ,54 .36 ,13 -.13 -.70 -,98 _111Cl
<br />>-cr:
<br />fila DOUBLE PANE GLASS
<br />u:ll
<br />(/)1 N 10 1.05 1.07 1.11 1.14 1.18 1.21 1.24 1,28 1.34 1.40 1,47
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<br />I NElNW 1.0 1.11 1.16 1.24 1.32 1,41 1,48 1.56 1.63 1,80 1.94 2.08
<br />I ElW 1.0 .88 .82 .66 .50 .31 .15 -,03 -,26 -,66 -1.10 -1.50
<br />I
<br />I SElSW 1.0 .95 .92 .85 .76 ,65 ,54 ,41 .28 -.01 -.30 -.52
<br />I
<br />I S 1.0 ,96 ,94 .87 .78 .65 .51 ,33 .13 -.30 -,51 -.60
<br />~ OH LENGTH' o It. 1 It. 1112 It. 2 It. 3 It 3112 It. 4112 It 5112 It. 6112 It. 9112 It. 14 It. 20 It. +
<br /> . To select by Overhang Length, no part of glass shall be more than 8 It. below the overhang
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<br />CNERHANG RATIO =
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<br />OH LENGTH
<br />OH HEIGHT
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<br />r~L
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<br />H
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<br />J
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<br />9C WALL WINTER POINT MULTIPLIERS (WPM)
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<br />
<br />
<br />01
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<br /> FRAME CONCRETE BLOCK FACE B ~ICK LOG
<br /> INTERIOR INSULATION EXT.INSULATION R.VALUE WOOD FR
<br /> WOOD NORMAL WT, LT. WT, NOR. WT. LT. WT, 0- 6,9 7.0 6 INCH
<br />R-VALUE EXT ADJ R-VALUE EXT ADJ EXT EXT EXT 7.10.9 2.1 R-VALUE EXT
<br />0- 6.9 6.8 5.3 0- 2.9 6.0 3,1 4.7 6.0 4.7 11 - 18.9 1.7 0-2.9 2,2
<br />7 -10.9 2.5 2.1 3 - 4.9 ~8 2.3 3.1 2,8 2.3 19.21;.9 1.0 3 - 6.9 1,2
<br />11 - 12,9 2.0 1.8 5 - 6.9 2.9 1.9 2.4 2.0 1.7 26 & Un .6 7 & Un ,9
<br />13 - 18,9 1,8 1.6 7 - 10.9 2.3 1.5 1.9 1.5 1.2 R-VALUE BLOCK A INCH
<br />19 - 25,9 1.1 1.0 11 - 18,9 1.5 "~ 0-2,9 3.7 R-VALUE EXT
<br />26 & Un .7 .7 19 - 25.9 .8 ,7 .8 .'. 2;:); 3 - 6.9 2.6 0.2.9 1.2
<br /> STEEL 26 & Un ,5 ,,1, 7 - 9.9 1.8 3 - 6.9 ,9
<br />R-VALUE EXT ADJ . '7' ~1ik~fWJh~? NiEfidiJiNJY"\Y' 10 & Un 1.3 7 & II; .7
<br />0- 6,9 9.4 6.7
<br />7 - 10,9 4.4 3.3 9E CEILING WINTER POINT MULTIPLIERS (WPM)
<br />11 -12.9 3.3 2,6 UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br />13 - 18,9 3,0 2.4 R.VALUE WPM R.VALUE WPM CEILING TYPE
<br />19.25.9 2.6 2.2 19 - 21.9 1.0 10 -10,9 1.8 R-VALUE DROPPED EXPOSED
<br />26 & Un 1.4 1.2 22 - 25.9 .9 11 - 12,9 1.6 10..13,9 1.2 1,3
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<br />9D DOOR WINTER POINT MULTIPLIERS (WPM)
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<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 9,5 6,9
<br />INSULATED 10.5 7.6
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<br />26 . 29.9
<br />30 - 37.9
<br />38 & U
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<br />
<br />,7
<br />,6
<br />.4
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<br />13 - 18,9
<br />19 - 25.9
<br />26 &
<br />
<br />1.5
<br />1.1
<br />,6
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<br />9F FLOOR WINTER POINT MULTIPLIERS (WPM)
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<br />SLAB-ON-GRADE RAISED RAISED WOOD
<br />EDGE INSULATION CONCRETE ISee 903.21ell
<br />R-VALUE WPM R-VALUE WPM R-VALUE WPM
<br />0.2.9 2,5 0-2,9 4.0 0- 6.9 3.5
<br />3 - 4,9 - 1.7 3 - 4.9 1.8 7 - 10,9 1.1
<br />5 - 6.9 - 2.4 5 - 6.9 1.1 11 - 18.9 ,8
<br />7 & Un - 2.7 7 & Un .8 19 & Un .4
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<br />9G INFILTRATION WINTER POINT MULTIPLIERS (WPM) 9H DUCT MULTIPLIERS (OM)
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<br />INFIL TRA TION PRACTICE WPM
<br />(See Table 9P)
<br />PRACTICE # 1 6,2
<br />PRACTICE # 2 4.1
<br />PRACTICE # 3 2,2
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<br />R-VALUE With Retum W/O Retum
<br />Air Duct Air Duct
<br />4,2 - 4.9 1.14 1.10
<br />5.0 - 6.6 1.12 1,08
<br />6.7 & Un 1.09 1.06
<br />DUCTS IN CONDITIONED SPACE 1,00 1.00
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