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<br />.. OH RATIO 1.0 .11 .12 .17 T ,18 .26 1.27 ,35 ,36.46 1,47 ,57 1.58 .70 .71 ,83 .84 1.18 1.1cL1.72 T1.7a: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 NE/NW 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 EJW 1.0 .71 .57 .19 -.20 -.65 -1.05 -1.48 -2,03 -3.01 -4.06 -5.04
<br />I .93 .80 .68 .54 .39 ,22 ,05 -.33 -.71 -1.01
<br />>-1 SE/SW 1.0 ,90
<br />COI S 1.0 .95 ,92 ,83 .70 .54 ,36 ,13 -,13 -.70 -.Ill! -t09
<br />>-a::
<br />~o DOUBLE PANE GLASS
<br />uJl
<br />(1)1 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 />I NE/NW 1.16 1.24 1.32 1.41 1.48 1.80 1.94 2,08
<br />I 1.0 1.11 1.56 1.63
<br />I EJW 1.0 ,88 ,82 .66 .50 .31 .15 -.03 -.26 -,66 -1.10 -1.50
<br />I
<br />I SE/SW 1.0 .95 .92 .85 .76 .65 .54 .41 ,28 -,01 -.30 -,52
<br />I -M
<br />I S 1.0 .96 .94 .87 .78 ,65 .51 ,33 .13 -,30 -,51
<br />.. OH LENGTH' o It. 1 It. 1Y.! It, 2 It. 3 It, 3Y.! It. 4Y.! It 5Y.! It. 6Y.! It, 9Y.! It, 14 It, 20 It. +
<br /> . To select by Overhang Length, no part of glass shall be more than 8 It, below the overhang.
<br />CNERHANG RATIO = OH LENGTH ~~ 41T
<br />OH HEIGHT
<br /> r~L r -=::::
<br /> H I D-L H
<br /> J ,J
<br /> I I I
<br />
<br />WINTER POINT MULTIPLIERS (WPM)
<br />
<br />9B WINTER OVERHANG FACTORS (WOF)
<br />
<br />9C WALL WINTER POINT MULTIPLIERS (WPM)
<br /> FRAME
<br /> WOOD STEEL
<br /> R.VALUE EXT ADJ EXT ADJ
<br /> 0- 6.9 6.8 5.3 9.4 6.7
<br /> 7 -10.9 2,5 2.1 4.4 3.3
<br /> 11 -12.9 2.0 1.8 3.3 2.6
<br /> 13 -189 1.8 1.6 3.0 2.4
<br /> 19.25.9 1.1 1.0 2.6 2.2
<br /> 26 & U .7 .7 1.4 1.2
<br />
<br />
<br />CONCRETE BLOCK'
<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 />.5 .5
<br />
<br />90 DOOR WINTER POINT MULTIPLIERS (WPM)
<br />
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.6 5.9
<br />INSULATED 5.1 4.0
<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
<br />22 - 25.9 .9 11 - 12.9 1,
<br />26.29.9 .7 13 - 18.9 1.
<br />30 - 37.9 .8 19 - 25.9 1.1
<br />38 & U 4 .6
<br />
<br />CLIMATE ZONI:'S 4 5 6 .
<br />
<br />:;
<br />W
<br />~;!
<br />
<br />~
<br />~"
<br />~
<br />~
<br />:;I,:
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<br />'ii
<br />
<br />LOG
<br />8 INCH
<br />R.VAWE EXT
<br />O. 2.9 2.2
<br />3.6.9 1.2
<br />7 & U ,9
<br />8 INCH
<br />R.VAWE EXT
<br />0.2.9 1.2
<br />3.6.9 .9
<br />7&U .7
<br />
<br />
<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />DROPPED EXPOSED
<br />1,2 1.3
<br />.7 .1
<br />,4
<br />
<br />
<br />. Return Ducts Return Oucts
<br />J:l-Value In UnconditiOned Space In Conditioned Space
<br />Supply 4.2-5.9 1.14 1,10
<br />Oucts in 6,0-6.6 1.10 1.07
<br />Unconditioned Spactl 6,7 & up 1.09 1.06
<br />Supply 4.2-5.9 1.10 1.00
<br />Oucts in 6,0-6.6 1.07 1.00
<br />Conditioned Space3 6.7 & up 1.06 1,00
<br />
<br />9F FLOOR WINTER POINT MULTIPLIERS (WPM)
<br />
<br />9G INFilTRATION WINTER POINT MULTIPLIERS (WPM)
<br />
<br />INFIL TRA TION PRACTIC}: WPM
<br />(See TIlblil 9P)
<br />PRACTICE # 1 6,2
<br />PRACTICE # 2 4,1
<br />PRACTICE # 3 2.2
<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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<br />"
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