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<br />SUMMER POINT MULTIPLIERS (SPM)
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<br />98 SUMMER OVERHANG FACTORS (SOF) For single and double pane glass,
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<br />CLIMATE ZONES 4 56
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<br />~ OH RATIO .0 .11 ,12 .17 1R ?I; .27 .35( .36 .46 )47 .57 .58 .70 .71 ,83 .84 1.18 1,19 1.72 1.73 2,73 2.74+
<br />I N 1.0 .94 .91 .87 .83 .79 .75 .72 .69 .62 .56 .50
<br />>-1 .94 .72 .63 .50 .40 .36
<br />CDI NElNW 1.0 .91 .85 ,79 .68 .58
<br />g~ E/W 1.0 95 .92 .85 .78 .70 .64 .58 .52 .42 .33 .26
<br />Ldl SElSW 1.0 .93 .90 .81 .72 .62 .55 .49 .42 ,33 .27 ,22
<br />U)I
<br />I S 1.0 .91 .87 ,77 .67 .57 .50 .45 .39 .32 .28 .25
<br />~ OH lENGTH' o It. 1 ft. 1112 It. 2 It. 3 It. 3112 It. 4112 It. 5Y2 ft, 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 />OVERHANG RATIO = OH LENGTH
<br />OH HEIGHT
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<br />r~L
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<br />9C WALL SUMMER POINT MULTIPLIERS (SPMI
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<br />01
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<br /> FRAME CONCRETE BLOCK1 FACE BRICK
<br /> WOOD STEEL INT. INSULATION EXT.INSUL. R.VALUE WOOD FR LOG
<br />R.YALUE EXT . ADJ EXT ADJ NORMAL WT. NOR. WT. 0- 6.9 2,9 6 INCH
<br />0- 6.9 6.4 2.2 8.9 2.9 R-VALUE EXT ADJ EXT 7 -10.9 .6 R.VALUE EXT
<br />7 - 10.9 2.3 .8 4.1 1.3 O. 2.9 2.5 .9 25 11 -18.9 .4 0- 2.9 1.7
<br />11 -12.9 1.9 .7 3.0 1.0 3 - 4.9 1.4 .7 .7 19.25.9 .2 3 - 6.9 1.1
<br />13 - 189 1.7 .6 2.8 0.9 5. 6.9 1.0 .6 .3 26 & Up .1 7 & Up .8
<br />19 - 25.9 1.0 .3 2.4 0.8 7 - 10.9 .8 .4 ,1 R.VALUE BLOCK 8 INCH
<br />26 & Uo .6 .2 1.3 0.4 11 -18,9 .4 .3 .0 0- 2.9 1.0 R.VALUE EXT
<br /> 19.25.9 .,'. 3. 6,9 .6 0-2.9 1.0
<br /> 26 & Up .1 .1 7 - 9.9 .4 3 - 6,9 .8
<br /> ~{?:iftt~M~~f.rf:il~~l;WltjihtjjftlttJjj~~j: :~~j1~j;jittlt# 10 & Up .2 7 & Up .7
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<br />9D DOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.2 2.4
<br />INSULATED 4.8 1.6
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<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />9E CEILING SUMMER POINT MULTIPLIERS (SPM)
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<br />UNDER ATTIC SINGLE ASSEMBLY
<br />R-YALUE SPM R-YALUE SPM
<br />19-21,9 1.1 10-10.9 3.0
<br />22-25,9 ,9 11-12,9 2.7
<br />26 - 29,9 .7 13 - 18.9 2.4
<br />30 - 37.9 .6 19.25,9 1,8
<br />38&U .4 2 &U 1,1
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<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />DROPPED EXPOSED
<br />3,0 3,3
<br />2,0 2.1
<br />1.4 1,3
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<br />SLAB.ON-GRADE RAISED RAISED WOODz
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL WI UNDER I
<br />R.YALUE SPM R.YALUE SPM CONSTRUCTION FLOOR INSULATION ADJACENT
<br />0-2,9 31,9 R.VALUE SPM SPM I 5pM
<br />0-2,9 1,0 O. 6.9 .9 53
<br />3 - 4,9 31,8 3 - 4,9 1.7 7 -10.9 -1.1 -2.8 I 2.1
<br />5 - 6,9 - 31.7 5 - 6,9 -1,7 11 -18.9 -1.0 -2.2 I 1.8
<br />7 & Un -31.6 7 8. Un -17 19 & Uo 9 -1.8 I 1.0
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<br />. 9G INFilTRATION SUMMER POINT MULTIPLIERS (SPM)
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<br />INFIL TRA TION PRACTICE SPM
<br />(See Table 9P)
<br />PRACTICE # 1 13,8
<br />PRACTICE # 2 10,9
<br />PRACTICE # 3 7,6
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<br />9H DUCT MULTIPLIERS (OM)
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<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
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<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,
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