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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 />I N 1.0 ,94 ,91 ,87 ,83 ,79 ,75 .72 ,69 ,62 ,56 ,50
<br />>-1
<br />001 NElNW 1,0 ,94 ,91 ,85 .79 .72 ,68 ,63 ,58 .50 .40 ,36
<br />~~ ElW 1,0 ,95 ,92 ,85 .78 ,70 ,64 ,58 ,52 .42 .33 ,26
<br />uJI SElSW 1,0 ,93 ,90 ,81 ,72 ,62 ,55 .49 .42 .33 ,27 ,22
<br />"'I
<br />I S 1.0 ,91 ,87 ,77 ,67 ,57 ,50 .45 .39 ,32 ,28 ,25
<br />~ OH LENGTH' o It, 1 It, 1Y2 It. 2 It. 3 It. 3112 It. 4112 It. 5Y2 It. 6112 It. 9Y2 It. 14 It, 20 It. +
<br /> * To select by Overhang Len9th, no part 01 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
<br />H
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<br />j
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<br />9C WALL SUMMER POINT MULTIPLIERS (SPM)
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<br />01
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<br /> FRAME CONCRETE BLOCK' FACE BRICK
<br /> WOOD STEEL INT. INSULATION EXT. INSUL. R.VALU E WOOD FR LOG
<br />R.YALUE EXT ADJ EXT ADJ NORMAL WT. NOR. WT. O. 6,9 2,9 6 INCH
<br />O. 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 0, 2,9 2,5 ,9 2,5 11.18,9 .4 O. 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 - 18,9 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 O. 2,9 10 R.VALUE EXT
<br /> 19.25.9 .2 .2 _ 3 - 6,9 ,6 0-2,9 1,0
<br /> 26 & Up ,1 ,1 )' :',:"" "J 7 - 9,9 .4 3.6,9 ,8
<br /> ~fi&ti~..i$.~~~i;~~:i=~MJ:t~1 :mtWJlj:~t~i{J ~tt%1MI .~;::. ';>> x:t@fD@: 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 16
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<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />9E CEILING SUMMER POINT MULTIPLIERS (SPM)
<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 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 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.VALUE 5PM 5PM I Spy
<br />0.2.9 31.9 0.2,9 1,0 O. 6,9 ,9 5,3
<br />3.4,9 -31,8 3.4,9 -1.7 7.10,9 -11 -2,8 I 2,1
<br />5.6,9 -31,7 5.6,9 -1,7 11.18,9 10 -22 I 18
<br />7 & Uo ,31.6 7 & Uo 1,7 19 & Up - ,9 -18 I 10
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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 (DM)
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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 />, 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 />.3.
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