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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES . 4 5 6 .
<br />
<br />~r
<br />tia:
<br />~o
<br />~~
<br />
<br />6A-1 SUMMER OVERHANG FACTORS (SOFl FOR SINGLE AND DOUBLE PANE GLASS.
<br />OH RATIO .00-,11 .12-.17 .18-.26 .27-.35 ,36-.46 .47-.57 .58-.70 .71-,83
<br />N 1.00 .94 .91 .87 .83 .79 .75 .72
<br />NE/NW 1.00 .94 ,91 ,e5.. .79 .72 .68 ,63
<br />ENI 1.00 .95 .92 (8Y .78 .70 .64 .58
<br />SEJSW lJlQ .93 .90 .81 .72 .62 .55 .49
<br />S (1.0Q) .91 .87 .77 .67 .57 .50 .45
<br />. Oft 1 ft, 1'h It. :> It 3 It 3% It, 4 % It 5 'h It
<br />'To select bv Ovemano lenoth no oart of olass shall be more than 8 ft. below the overhano,
<br />
<br />1,73-2.73
<br />56
<br />.40
<br />,33
<br />.27
<br />.28
<br />14 It
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS SPM
<br />FRAME
<br />
<br /> 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPM)
<br /> UNDER ArnC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-V ALUE SPM R-VALUE SPM CEILING TYPE
<br /> 19-21.9 /1.1 ) 10-10.9 3.0 R-VALUE DROPPED EXPOSED
<br /> 22-25.9 , '-:g 11-12,9 2.7 10-13.9 3,0 3.3
<br /> 26-29,9 .7 13-18.9 2.4 14-20,9 2,0 2.1
<br /> 30-37.9 .6 19-25.9 1,8 21 & Uo 1,4 1.3
<br /> 38 & Uo .4 26-29.9 1.1
<br /> 30 & Un 0.9
<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS (SPM)
<br />SLAB-DN-GRADE RAISED RAISED WOOI)2
<br />EDGE INSULATION <i{ CONCRETE POST OR PIER STEM WALL wI UNDER ADJ~CENT
<br /> ::: CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SPU- R-VALUE SPM R-V ALUE SPM SPM SPM
<br />0-2,9 (-31,9 ) 'i. 0-2,9 -1,0 0-6,9 0,9 -5.8 5.3
<br />3-4.9 -31,8 3-4.9 -1.7 7-10,9 -1.1 -2.8 2,1
<br />5-6.9 -31.7 ,; 5-6.9 -1.7 11-18,9 -1.0 -2,2 1.8
<br />7 & tin -31.6 .,.; 7& Uo -17 lQR. Iln -0.9 -18 10
<br />
<br />R-VALUE
<br />0-6,9
<br />7-10.9
<br />11-12.9
<br />13-18.9
<br />19-25.
<br />26& U'
<br />
<br />.84-U8 1,19-1.72
<br />(69 ) .62
<br />,38 ,50
<br />.52 .42
<br />.42 .33
<br />.39 .32
<br />6'12 It 9'h It
<br />
<br />2.74+
<br />.50
<br />,36
<br />.26
<br />.22
<br />.25
<br />20 ft.+
<br />
<br />WOOD
<br />EXT ADJ
<br />6,4 2,2
<br />2.3 .8
<br />1.9 /.7 ')
<br />1.7 .6
<br />1.0 .3 ')
<br />.6 .2
<br />
<br />
<br />
<br />
<br />STEEL
<br />EXT ADJ
<br />8.9 2.9
<br />4.1 1.3
<br />3.0 1,0
<br />2,8 0,9
<br />2.4 0.8
<br />1.3 0,4
<br />
<br />CONCRETE BLOCK'
<br />INT. INSULATION
<br />NORMAL wr.
<br />EXT ADJ
<br />2 ,9
<br />,7
<br />.6
<br />.4
<br />,3
<br />.2
<br />.1
<br />
<br />6A.3 DOOR SUMMER POINT MULTIPLIERS SPM)
<br />DOOR TYPE EXTERIOR ADJACENT
<br />
<br />6A~ INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A.21
<br />PRACTICE #1 13.8
<br />PRACTICE #2 1
<br />
<br />WOOD
<br />
<br />INSULATED
<br />
<br />7.2
<br />
<br />2.4
<br />
<br />6A-7 DUCT MULTIPLIERS OM
<br />
<br />SUPPLY DUCTS IN
<br />UNCONDITIONED SPACE
<br />
<br />RETURN DUCTS
<br />IN UNCONDITIONED SPACE
<br />1. 4
<br />1.10
<br />1]9
<br />1.10
<br />1.07
<br />
<br />RETURN DUCTS
<br />IN CONDITIONED SPACE
<br />1.10
<br />1.07
<br />1.06
<br />1.00
<br />1.00
<br />
<br />Central Units (SEER)
<br />
<br />6A-S COOLING SYSTEM MULTIPLIERS CSM
<br />SYSTEM TYPE
<br />
<br />SUPPLY DUCTS IN
<br />CONDITIONED SPACE'
<br />
<br />
<br />COOLING SYST~M!orn1I1f)!-!~~l)lCSML_ ~___________ ____, "'"
<br />R~llilL 7,5-7.9 8.0-8.4 8.5-8,8 8.9-9'~-.1.5-9~~JO'0-1Q.~ ~9-'5-19J~!~JLQ:JH fJJ~:JL~12,Q-1?'4
<br />CSM .45 ,43 .40 ,38 ,36 .34 / ,32 ,31 .30 .28
<br />
<br />PTAC & Room Units (EER) ~~~~- jg~~~~, '~~;3~~_ J~'~i;3,9-14'~1~~ J1'~=~:=~J~~- ~~~~=~ !!,}~Q~~ ~~~~~~-~_~~7~;J7.4 J7:51'~UP
<br />
<br />MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 100 SEER, SINGLE PKG. 9.7 SEER, GROUND WATER HEAT PUMP 11.0 EER. PIAC-SEE TABLE 6,2
<br />
<br />6A-9 HOT WATER MULTIPLIERS HWM
<br />.SYl)T~MJ)'PE "--___ n__ -'-__n_ ___HQTW~TEFI MlJI"TIf)I"IEfll) CtiWM --_u,___
<br />Electric Resistance ~-~--__~ J!.O__J!l ~g:&L-,M-,~~_ __Jl.Q.-,~L JlJl-j/(} ,91-.93
<br />--.'_.__n________ , HWM ---__,__~7L _37~531)95 ~I)O~_, 352L 3411
<br />Natural Gas EF .43-.47 .4~A~ ,50-.51 .52-.53 ,54-.5L_,~:.~1 -,~!I-~L .J>Q.-c6L_ ,I5.f-.63
<br />---'-------- _HWM _g~ZL n_fl)l)~_ _255.!t 24~L _f~9L_ 2~422Q~_ ___21~L_ 2(1)3,
<br />lP Gas HWM 3638 3259 3129 3009 2897 2794 2697 2607 2523
<br />
<br />_,~4:.96
<br />3.3.02
<br />". ,1)~-.65
<br />nn 1 ~98
<br />2444
<br />
<br />,97 & Up
<br />3200".
<br />J,6 ~ Up
<br />1~3~ "
<br />2370
<br />
<br />1 FOR MUL TIPLlEAS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2.1 OF APPENDIX C 2 MULTIPLIERS FOR OTHER TYPES OF RAISED WOOD ASSEMBLIES SEE
<br />SECTION 3.1 OF APPENDIX C, 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R.VALUE NECESSARY TO PREVENT CONDENSATION
<br />
<br />.3.
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