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<br />WINTER POINT MULTIPLIERS (WPM)
<br />
<br />98 WINTER OVERHANG FACTORS (WOF)
<br />
<br />CLIMATE ZONES 45.6
<br />
<br />~ OH RATIO 1.0-,11 ,12-,17 ,18-.26 I ,27-,35 ,36-.46 .47 -,57 .58- .70 I .71-,83 1,84-1,18 1,19-1.72 1,73-2.73 2.74+
<br />1 SINGLE PANE GLASS
<br />I N 1.0 1,03 1,05 .1,08 1,10 113 1.15 118 1.20 1,24 1.29 1.34
<br />1
<br />1 NE/NW 1,0 1,07 1,10 115 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 -203 -3.01 -4,06 -5,04
<br />1
<br />>-1 SElSW 1,0 ,93 ,90 ,80 ,68 ,54 ,39 ,22 ,05 -,33 -.71 -1.01
<br />CDI S 1,0 ,95 ,92 ,83 .70 ,54 .36 ,13 -,13 -,70 -,98 -109
<br />1-0::
<br />:J:lo DOUBLE PANE GLASS
<br />uJl
<br />enl N 1,0 1.05 1,07 1,11 1,14 1,18 1,21 1,24 1.28 1,34 1.40 1.47
<br />1
<br />1 NE/NW 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 />1 E/W 1,0 ,88 ,82 ,66 ,50 .31 ,15 -,03 -.26 -,66 -1.10 -1.50
<br />1
<br />1 SE/SW 1.0 ,95 ,92 ,85 .76 ,65 ,54 .41 .28 -,01 -,30 -,52
<br />1
<br />1 S 1.0 ,96 ,94 ,87 .78 ,65 ,51 ,33 ,13 -.30 -,51 -,60
<br />~ OH LENGTH' o It. 1 It. 11f21t. 2 It. 3 It. 3Y2 It. 41f2 It 51f2 It. 6Y2 It. 9Y2 It. 14 ft. 201t,+
<br /> * To select by Overhang Length, no part of glass shall be more than 8 It. below the overhang.
<br />
<br />OVERHANG RATIO =
<br />
<br />
<br />OH LENGTH
<br />OH HEIGHT
<br />
<br />I~L
<br />
<br />H
<br />
<br />J
<br />
<br />9C WALL WINTER POINT MULTIPLIERS (WPM)
<br />FRAME
<br />
<br /> WOOD STEEL
<br />R.YALUE EXT ADJ EXT ADJ
<br />0- 6,9 6,8 5,3 9.4 67
<br />7.10,9 2,5 21 4.4 33
<br />11 ,12,9 2,0 1.8 3,3 2,6
<br />13 -18,9 1,8 1.6 3,0 24
<br />19 - 25,9 1.1 1,0 2,6 2,2
<br />26 & U .7 7 1,4 1.2
<br />
<br />90 DOOR WINTER POINT MULTIPLIERS (WPM)
<br />
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7,6 5,9
<br />INSULATED 5,1 40
<br />
<br />9F FLOOR WINTER POINT MULTIPLIERS (WPM)
<br />
<br />
<br />01
<br />
<br />CONCRETE BLOCKl
<br />INT. INSULATION EXT. INSUL.
<br />NORMAL WT. NOR. WT.
<br />EXT ADJ EXT
<br />6,0 3,1 6,0
<br />3,8 2,3 2,8
<br />2,9 1.9 2,0
<br />2,3 1.5 1,5
<br />1.5 1.1 ,8
<br />,8 7
<br />55
<br />
<br />FACE BRICK
<br />R.YALUE WOOD FR
<br />O. 6,9 7,0
<br />7,10,9 21
<br />11 ,18,9 1.7
<br />19 ' 25,9 1.0
<br />26 & Up ,6
<br />R~ALUE BLOCK
<br />o . 2,9 3.7
<br />3 . 6,9 2,6
<br />7,9,9 1.8
<br />10 & Up 13
<br />
<br />
<br />LOG
<br />6 INCH
<br />R.YALUE
<br />0.2,9
<br />3 - 6,9
<br />7 & Up
<br />8 INCH
<br />R.YALUE
<br />0,2,9
<br />3,6,9
<br />7 & Up
<br />
<br />EXT
<br />2,2
<br />1.2
<br />,9
<br />
<br />EXT
<br />1.2
<br />9
<br />.7
<br />
<br />
<br />9E CEILING WINTER POINT MULTIPLIERS (WPM)
<br />
<br />UNDER ATTIC SINGLE ASSEMBLY
<br />R.VALUE WPM R.VALUE WPM
<br />19.21,9 1,0 10-10,9 1,8
<br />22.25,9 ,9 11.12,9 1,6
<br />26.29,9 ,7 13.18,9 1,5
<br />30,37,9 .6 19,25,9 1,1
<br />38 & U .4 26 & U ,6
<br />
<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />DROPPED EXPOSED
<br />1,2 1,3
<br />,7 ,7
<br />,4 .3
<br />
<br />
<br />SLAB-ON-GRADE RAISED RAISED WOOD"
<br />EDGE INSULATION CONCRETE POST OR PIER 1 STEM WALL WI UNDER I
<br />R.VALUE WPM R.VALUE WPM CONSTRUCTION FLOOR INSULATION ADJACENT
<br />R.YALUE WPM I WPM
<br />0-2,9 2,5 0-2,9 4,0 O. 6,9 7,9 5,3
<br />3 - 4,9 1.7 3 - 4,9 1.8 7 - 10,9 21 I .7 I 21
<br />5 - 6,9 - 2.4 5 - 6,9 1.1 11 .18,9 1.5 I ,5 I 1,8
<br />7 & Un - 2.7 7 R. Un .8 19 & Up ,9 I ,3 I 1.0
<br />
<br />9G INFILTRATION WINTER POINT MULTIPLIERS (WPM)
<br />
<br />INFILTRATION PRACTICl: WPM
<br />(See Table 9P)
<br />PRACTICE # 1 6,2
<br />PRACTICE # 2 4,1
<br />PRACTICE # 3 2.2
<br />
<br />9H DUCT MULTIPLIERS (OM)
<br />
<br /> Return Ducts Return Ducts
<br /> R-Value In Unconditioned Space In Conditioned Space
<br />Supply 4,2.5,9 1,14 1,10
<br />Ducts in 6,0.6,6 1,10 1,07
<br />Unconditioned Space 6,7 & up 1,09 1.06
<br />Supply 4,2.5,9 1,10 1,00
<br />Ducts in 6,0.6,6 1,07 1,00
<br />Conditioned Space3 6,7 & up 1.06 1.00
<br />
<br />1 For multipliers for other types of concrete block construction see section 903,2(b),
<br />2 For multipliers for other types of raised wood assemblies see section 903,2 (e) 1,
<br />3 Ducts in conditioned space need to be insulated only to the R.Value necessary to prevent condensation,
<br />.5.
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