|
<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />96 SUMMER OVERHANG FACTORS (SOF) For single and double pane glass.
<br />
<br />CLIMATE ZONES
<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 />I N 1.0 ,94 ,91 _87 ,83 ,79 .75 .72 ,69 ,62 .56 ,
<br />>-1 _68 ,58 ,50 .40
<br />all NElNW 1.0 _94 _91 _85 _79 ,72 ,63
<br />f-cr:: ElW 1.0 ,95 ,92 .85 .78 .70 ,64 ,58 .52 .42 _33
<br />~9 ,
<br />u:l. SElSW 1.0 .93 _90 .81 _72 ,62 ,55 ,49 .42 ,33 .27 .,
<br />(/).
<br />. S 1.0 ,91 ,87 .77 _67 .57 ,50 .45 _39 .32 _28
<br />~ OH lENGTH . o It. 1 It. 11,7 It. 2 It. 3 It. 31,7 It. 41,7 It. 51,7 It. 61,7 It. 91,7 It. 14 It. 20 It
<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 />
<br />
<br />
<br />r~L
<br />H
<br />
<br />J
<br />
<br />01
<br />
<br />9C WALL SUMMER POINT MULTIPLIERS /SPM)
<br />
<br />FRAME
<br />
<br />CONCRETE BLOCKl
<br />INT. INSULATION 00. INSUL.
<br />NORMAL WT. NOR. WT.
<br />00 ADJ 00
<br />2_5 ,9 2,5
<br />14 .7 _7
<br />1n J _3
<br />,8 .4 _1
<br />.4 .3 .0
<br />.22
<br />1 .1
<br />
<br />FACE BRICK
<br />R.VALUE WOOD FR
<br />0- 6_9 2_9
<br />7.10,9 .6
<br />11 -18,9 .4
<br />19 . 25.9 .2
<br />26 & Up1
<br />R.VALUE BLOCK
<br />O. 2_9 10
<br />3. 6_9 .6
<br />7, 9,9 .4
<br />10 & U _2
<br />
<br /> WOOD STEEL
<br />R.VALUE EXT ADJ EXT ADJ
<br />0- 6.9 64 2_2 89 2.9
<br />7.10_9 23 _8 4.1 13
<br />11 - 129 19 7 3.0 10
<br />13.18.9 1.7 .6 28 0_9
<br />19 - 25_9 1_0 .3 2.4 0_8
<br />26 & U .6 _2 1.3 0.4
<br />
<br />LOG
<br />6 INCH
<br />R.VALUE
<br />O. 2_9
<br />3. 6.9
<br />7 & U
<br />8 INCH
<br />R.VALUE
<br />0.2_9
<br />3,6,9
<br />7&U
<br />
<br />R.VALUE
<br />O. 29
<br />3. 4,9
<br />5, 6_9
<br />7.10,9
<br />11 '18.9
<br />19,25.9
<br />26 & Up
<br />
<br />EXT
<br />17
<br />1.1
<br />8
<br />
<br />
<br />EXT
<br />10
<br />8
<br />.7
<br />
<br />
<br />:.:.;.:.:.:..........
<br />:~;:;t:::];r~:].
<br />
<br />.. ..... ;.:-; ;:]:~:~:;:i:~: :~:@~
<br />
<br />90 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 2 & U 1.
<br />
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 72 2.4
<br />INSULATED 4_8 16
<br />
<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />DROPPED EXPOSE,
<br />3.0 3,3
<br />2.0 21
<br />1.4 1,3
<br />
<br />
<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />SLAB-ON-GRADE RAISED RAISED WOOD2
<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 SPM Spy I SPM
<br />0-2_9 31.9 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 10 -2.2 I 18
<br />7 & Un -~1 R 7 R. IIn 1_7 19 & Up - .9 -18 I 10
<br />
<br />9H DUCT MULTIPLIERS (OM)
<br />
<br />Return Ducts
<br />In Unconditioned Space
<br />
<br />Return Ducts
<br />In Conditioned Sp;
<br />
<br />1.10
<br />1.07
<br />1.06
<br />
<br />1.00
<br />1.00
<br />1.00
<br />
<br />9G INFilTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />A-Value
<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 />
<br />Supply 4_2'5_9 1.14
<br />Ducts in 6.0-6.6 1.10
<br />Unconditioned Space 6.7 & up 1.09
<br />
<br />Supply 4.2.5.9 1.10
<br />Ducts in 6.0,6.6 1_07
<br />Conditioned Space3 6.7 & up 1.06
<br />
<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 A-Value necessary to prevent condensation.
<br />- 3-
<br />
<br />- I -
<br />
|