|
<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />CUMATE ZONES 4 5 6
<br />
<br />6A.' SUMMER OYERHANG FACTORS ISOF FOR SINGLE AND DOUBLE ~u~-
<br />~r OH RATIO .00-.11 .12-.17 .18-.26 .27-.3~ .36-.46 .47-,57 ,58-.70 .71-.83 .84-1,18 1.19-1.72 1,73-2.73 2.74+
<br />N 1.00 ,94 ,91 .87 .83 .79 .76 .72 .69 .63 .56 .50
<br />NElNW 1.00 .94 .91 .85 .79 .72 .68 ,63 .58 .50 .40 .36
<br />I-a: EfW 1.00 .95 .92 .85 .78 .70 ,64 .58 .52 .42 .33 .26
<br />frlo
<br />2tl SElSW 1.00 .93 .90 .81 .72 .62 .55 .49 .42 .33 .27 .22
<br />S 1.00 .91 .87 .n .67 .57 .50 .45 .39 .32 .28 .25
<br />* nit 1 It 1%1t ?It ~It ~%It 4'hIt, 5'h1t 6'/. It 01hll 1.411 !){lit...
<br /> "To select bv OYerhann Lennth no ""rt of nlass shall be more than 8 ft. below the overhano,
<br />
<br />6A.2 WALL SUMMER POINT MUL TIPUERS (SPMI
<br /> FRAME CONCRETE BLOCKl FACE BRICK LOG
<br /> INT. INSULATION XT. INSUL R-YALUE WOOD FR
<br /> WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 2.9 8 INCH
<br />R.Y ALUE EXT ADJ EXT ADJ R-YALUE EXT ADJ EXT 7-10.9 .6 R.YALUE EXT
<br />0-6.9 6.4 2.2 8.9 2.9 0-2,9 2.5 ,9 2.5 11-18.9 .4 0-2.9 1.7
<br />7-10.9 2.3 .8 4.1 1.3 3-4,9 1.4 ,7 .7 19-25.9 .2 3-6.9 1.1
<br />11-12.9 1.9 .7 3.0 1.0 5-6.9 1.0 .6 .3 26 & Uo ,1 7&Un .8
<br />13-18.9 1.7 .6 2.8 0.9 7-10.9 .8 .4 .1 R-YALUE BLOCK 8 INCH
<br />19-25.9 1.0 .3 2.4 0.8 11-18.9 .4 .3 0 0-2.9 1.0 R.YALUE EXT
<br />26& Un .6 ,2 1.3 0.4 19-25,9 .2 .2 3-6.9 .6 0-2,9 1.0
<br /> 26 & Uo .1 .1 7-9.9 .4 3-6.9 .8
<br /> lnR.lln ? ...... 7 R. Iln II
<br />
<br />6A.3 DOOR SUMMER POINT MULTIPLIERS
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.2 2.4
<br />INSULATED 4,8 1.6
<br />
<br />SPM)
<br />
<br />6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMI
<br />UNDER ArnC SINGLE ASSEMBLY CONCRETE DECK ROOFING
<br />R-YALUE SPM R-YALUE SPM CEILING TYPE
<br />19-219 1,1 10-10.9 3.0 R-YALUE DROPPED EXPOSED
<br />22-25.9 ,9 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 /> ~nR.lln nQ
<br />
<br />6A-5 FLOOR SUMMER POINT MUL TIPUERS (SPMI -
<br />SLAB-DN-GRADE RAISED RAISED WOOQ2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R.YALUE SPM R.YALUE SPM R.YALUE SPM SPM SPM
<br />0-2,9 -31.9 0-2.9 -1.0 0-6,9 0.9 N/A 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.t Iln -~1 II 7 R. Iln -17 10.t Iln -nQ -111 1 n
<br />
<br />6A.e INFILTRATION SUMMER POINT MULTIPLIERS (SPM) 6A-7 DUCT MULTIPLIERS OM
<br />
<br />INFILTRATION PRACTICE SPM
<br />_..LS~I:IABLE 9P) _o,_.__
<br />PRACTICE #1 13.8
<br />PRACTICE #2 10.9
<br />j/~ 76
<br />
<br />SUPPLY DUCTS IN
<br />UNCONDITIONED SPACE
<br />
<br />
<br />RETURN DUCTS
<br />IJ~ UNCONDITIONED SPACE
<br />1.14
<br />1.10
<br />1,09
<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 />SUPPLY DUCTS IN
<br />CONDITIONED SPACE'
<br />
<br />6A-8 COOLING SYSTEM MULTIPLIERS ICSMI
<br />. SYSIEMTYP~ -- un .__ Ratina--- '. --.--- --- -- ._ _ _..G.OOLlNG ~Y~T~.M-"'~1..TI~~~CSf!lL_.__ ~_
<br />Central Units (SEER) 7.5-7.9 8.0-8.4 8.5-8.8 8.9-9.4 9,5-9.9 10.0-10.4 10,5-10.9 11.0-11.4 11.5-11.9 12.0-12.4
<br /> CSM .45 .43 .40 .38 .36 ,34 .32 .31 .30 .28
<br />PTAC & Room Units (EER) .fI.1!tin] . ___ 12,~-1~Jl J~..Q~ 13.4 13,~'13.9 14.0-14,4 14,5-14,9 15,0-1~.4 .15,,5-15,9, 1~.Q-J6,~_ 1Q.5-16,9 J].0-17,4 17.5 & Uo
<br />CSM .27 .26 .25 ,24 .24 ,23 .22 .21 .21 .20 .19
<br /> MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 10,0 SEER, SINGLE PKG, 9.7 SEER, GROUND WATER COOLED 11,0 EER. PTAC-SEE TABLE 6-3,
<br />
<br />6A-9 HOT WATER MULTIPLIERS HWM
<br />SYSli~_JVf~
<br />
<br />Electric Resistance
<br />
<br />EF
<br />HWM
<br />EF .43-.47
<br />_ _~_._ _HWM.___~998
<br />m.____ HWM ___.4195
<br />EF
<br />
<br />.48-.49 ,50.51
<br />_?B.5.__ 26~.
<br />3758 360.!.
<br />1.0-1.9
<br />
<br />HOT W A IER ",UI, TI!'LIER~ tHW!t
<br />.80-.81 .82-.83 .84-.85 .86-.87
<br />4183 4081 3984 3891
<br />.52-.53 .54-.55 .56-.57 .58-.59
<br />_ 2511~ __ ~467.. 2379 Z297_
<br />3469. _ 3340. 3221 3110
<br />._2.0,-g.!!_.u. _.l.0-3.9__
<br />
<br />.88-.90 ,91-,93
<br />3803 3678
<br />.60-.61 .62-.63
<br />.;!229 21~
<br />3007 2910
<br />4.0-4.9
<br />
<br />
<br />.94-.96
<br />3560
<br />.64-.65
<br />.1081
<br />
<br />Natural Gas
<br />
<br />l Gas,
<br />
<br />Solar
<br />
<br />1 FOR MULTIPLIERS 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 ONL YTO THE R-VALUE NECESSARYTO PREVENT CONDENSATION.
<br />
<br />-3-
<br />
|