|
<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />98 SUMMER OVERHANG FACTORS (SOF) For single and double pane glass.
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<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 />>-1
<br />OJI NE/NW 1,0 ,94 ,91 ,85 ,79 .72 ,68 ,63 ,58 ,50 .40 .36
<br />I-a:: E/W 1.0 ,95 ,92 .85 ,78 ,70 ,64 ,58 ,33
<br />Edp ,52 .42 .26
<br />cdl SE/SW 1.0 ,93 ,90 ,81 .72 .62 ,55 .49 .42 .33 .27 ,22
<br />en.
<br />, S 1.0 ,91 ,87 .77 ,67 ,57 ,50 .45 ,39 ,32 .28 .25
<br />. OH LENGTH' 011. 1 It 1Y2 It 2 It 3 It 3Y2 It 4Y2 It 5Y2 It 6Y2 It 9Y2 It 14 It 2011.+
<br /> . To select by Overhang Length, no part of glass shall be more than 8 It below the overhang.
<br />
<br />OVERHANG RATIO = OH LENGTH
<br />OH HEIGHT
<br />
<br />r~L
<br />H
<br />
<br />j
<br />
<br />
<br />
<br />01
<br />
<br />
<br />9C WALL SUMMER POINT MULTIPLIERS (SPMI
<br />
<br /> FRAME CONCRETE BLOCKl FACE BRICK
<br /> WOOD STEEL INT. INSULATION EXT. INSUL. R.YAWE WOOD FR LOG
<br />R.VALUE EXT ADJ EXT ADJ NORMAL WT. NOR. WT. O. 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.YAWE 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.g ,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 O,g 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 BINCH
<br />26 & Un ,6 ,2 1,3 0,4 11-18.9 , .3 . 0- 2,9 1.0 R.YAWE EXT
<br /> 19 - 25,9 ,2 ,2' ',,; ': \" 3 - 6,9 ,6 0.2,9 1.0
<br /> 26 & Up ,1 ,1 '*;*,x .'Ni,~t 7 - 9,9 .4 3 - 6.9 .8
<br /> {t%~~ti;t~r"J;:::~:~~::::~~' ::~l/~tt1~t.t1f' :if;lM1&~ ~~ ==:=X:~~ : ~~i$~~f 10 & Uo ,2 7 & Uo .7
<br />
<br />9D DOOR SUMMER POINT MULTIPLIERS (SPM)
<br />
<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 26 & U 1 ,1
<br />
<br />
<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
<br />
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.2 2.4
<br />INSULATED 4,8 1.6
<br />
<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />SLAB.ON.GRADE RAISED RAISED WOOD'
<br />EDGE INSULATION CONCRETE POST OR PIER I STEM WALL WI UNDER I
<br />R.VALUE SPM R.VALUE SPM CONSTRUCTION FLOOR INSULATION ADJACENT
<br />R.YALUE SPM SPM 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 I -2,8 I 2.1
<br />5 - 6.9 31.7 5 - 6.9 -1.7 11 -18,9 -1.0 I -22 I 1.8
<br />7 R, Un -31.6 7 R, Iln -1.7 19 & Uo - .9 I -1.8 I 1.0
<br />
<br />9H DUCT MULTIPLIERS (OM)
<br />
<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-
<br />
<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
<br />
<br />,9G INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />INFILTRATION PRACTICE SPM
<br />(See Table 9P)
<br />PRACTICE # 1 13.8
<br />PRACTICE # 2 10.9
<br />PRACTICE # 3 7.6
<br />
|