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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 5 6
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<br />~ OH RATIO ,0-,11 ,12-,17 ,18-,26 ,27-,35 ,36- .46 .47-,57 ,58- .70 ,71-,83 ,84-1.18 1,19-1.72 1,73-2.73 2,74+
<br />. N 1,0 ,94 ,91 ,87 ,83 .79 .75 ,72 ,69 ,62 ,56 ,50
<br />>-.
<br />co, NElNW 1.0 ,94 ,91 ,85 .79 .72 ,68 ,63 ,58 ,50 .40 ,36
<br />I-a: ElW 1,0 ,95 ,92 ,85 .78 .70 ,64 ,58
<br />&39 ,52 .42 .33 ,26
<br />u:l. SElSW 1.0 ,93 ,90 ,81 ,72 ,62 ,55 .49 .42 ,33 .27 ,22
<br />(/).
<br />, S 1,0 ,91 ,87 ,77 ,67 ,57 ,50 .45 .39 ,32 ,28 ,25
<br />~ OH LENGTH' o It. 1 It. 1% It. 2 It. 3 It. 3% It. 4% It. 5% It. 6% It. 9% 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 />\
<br />"",.
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<br />01
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<br /> FRAME CONCRETE BLOCK' FACE BRICK
<br /> WOOD STEEL INT. INSULATION EXT. INSUL. R.YALUE 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 6,9 2,9 R.YALUE EXT ADJ EXT 7 -10,9 ,6 R.YALUE EXT
<br />7 - 10,9 2,3 ,6 4,1 1.3 0- 2,9 2,5 ,9 2,5 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 - 16,9 1,7 ,6 2,6 0,9 5 - 6,9 1.0 ,6 ,3 26 & Up 1 7 & Up ,8
<br />19 - 25,9 1.0 ,3 2,4 0,6 7 -10,9 ,8 .4 ,1 R.YAWE BLOCK 8 INCH
<br />26 & Up ,6 ,2 1.3 0,4 11 - 18,9 .4 :11 0- 2,9 1,0 R.YAWE EXT
<br /> 19 - 25,92 3 - 6,9 ,6 0-2,9 1,0
<br /> 26 & Up ,1 .1 ";:;~1' ."....t 7 . 9,9 ,4 3 - 6,9 ,8
<br /> :t.W%l(a~~:t.~t.?~: }t~~t.M@ft1~f: .~tHt:1*tJ.~ 'f::~. "~~ . :iJ:t: 10 & Up ,2 7 & Up .7
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<br />90 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.VALUE SPM R.VALUE 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 26 & U 1.1
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<br />CON RETE 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 WOOD"
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL WI UNDER I
<br />R.VALUE SPM R.VALUE SPM CONSTRUCTION FLOOR INSULATION ADJACENT
<br />R.YAWE SPM SliM I SPM
<br />0-2.9 31,9 0-2.9 1.0 0- 6,9 ,9 5,3
<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 & Uo -::11.6 78. Uo 17 19 & Up - ,9 -1.8 I 1,0
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<br />,9G INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
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<br />INFILTRATION 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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