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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 /> ~-==----.
<br />~ OH BATIO .0 ,11 .12 ,17 .18 ,26 ,27 ,35 ,36 .46 .47 sf' .58 ,70 .)71 ,83 ,84 1,18 1.19 1.72 1.73-2,73 V 2.74+
<br />I 7N) .94 ,87 ,83 .79 .75 - ,72 ,69 ,62 ,56 .50
<br />1.0 .91
<br />>-1 NE/NW 10 ,94 ,91 .85 .79 .72 .68 ,63 ,58 ,50 .40 .36
<br /><I:l1
<br />I-a: E/W 1,0 ,95 .92 ,85 .78 .70 ~ .64 ,58 ,52 .42 .33 ,26
<br />~q
<br />u:J1 SElSW 10 ,93 ,90 ,81 .72 .62 35"' .49 .42 .33 .27 .22
<br />en.
<br />I S 10 ,91 .87 .77 ,67 .57 ,50 .45 ,39 ,32 .28 .25
<br />~ OH lENGTH . o It. 1 It. 11f.! It. 2 It. 3 It. 3V2 It. 41f.! It. 51f.! It. 61f.! It. 9V2 It. 14 It. 20ft.+
<br /> . To select by Overhang length, no part of glass shall be more than 8 ft. below the overhang,
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<br />OVERHANG RATIO = OH lENGTH
<br />OH HEIGHT
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<br />I~L
<br />H
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<br />J
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<br />9C WALL SUMMER POINT MULTIPLIERS (SPMl
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<br />01
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<br /> FRAME CONCRETE BLOCK1 FACE BRICK
<br /> WOOD STEEL INT. INSULATION EXT. INSUL. R.YAWE 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.YALUE EXT ADJ EXT 7 - 10,9 ,6 R.YALUE EXT
<br />7 - 10,9 2,3 ,8 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 - 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.YALUE BLOCK 8 INCH
<br />26 & Un ,6 ,2 13 0.4 11 -18,9 .4 ,3 ,0 0- 2,9 1.0 R,YALUE 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 /> l~ttt~1#lit~jj~~~ff:lr 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 48 1.6
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<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />SLAB.ON.GRADE RAISED
<br />EDGE INSULATION CONCRETE
<br />R.VALUE SPM R.VALUE SPM
<br />o - 2.9 31.9 0 - 2.9 1.0
<br />3 - 4.9 31.8 3 - 4.9 1.7
<br />5-6.9 -31,7 5-6.9 -1.7
<br />7 - 1. -1.
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<br />96 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 />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 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 />R.YALUE
<br />0- 6,9
<br />7 -10,9
<br />11 -18,9
<br />19 & U
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<br />9H DUCT MULTIPLIERS (OM)
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<br /> Aeturn Ducts Aeturn Duels
<br /> A-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 lor other types of concrete block construction see section 903.2(b).
<br />2 For multipliers lor other types of raised wood assemblies see section 903.2 (e) 1,
<br />3 Ducts in conditioned space need to be insulated only 10 the A-Value necessary to prevent condensalion.
<br />- 3-
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