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<br />SU-MMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A.1 SUMMER OVERHANG FACTORS ISO FOR SINGLE AND DOUBLE PANE GLASS. <br />~r OH RATIO .00-.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 1.00 .94 .91 .87 .83 .79 .75 .72 . .69) .62 .56 .50 <br />NElNW 1.00 .9~ .91 .85 .79 .72 .68 .63 ~ .50 .40 .36 <br />t)a: ENJ 1.00 f.95) .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 <br />~O SElSW 1.00 "]3 .90 .81 .72 .62 .55 .49 .42 .33 .27 .22 <br />~l S 1.00 /.91 ) .87 .n .67 .57 .50 .45 .39 .32 .28 .25 <br />OH I FNGTH* Oft. ff( 1%ft ?It ~ft ':1';.,11 ,{';"II ~ 1\';"11 Q%II 14ft. 20ft.+ <br /> 'To select bv OverhaM LAMth no Mrt 01 nlass shall be more lhan 8 ft. below !he overhOM. <br /> <br /> <br />6A.2 WALL SUMMER POINT MULTIPLIERS SPM <br /> <br />, FRAME <br /> <br />WOOD <br />EXT ADJ <br />6.4 2.2 <br />2.3 <br />1.9 <br />1.7 <br />1.0 <br />.6 <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 /> <br />CONCRETE BLOCK' <br />INT. INSULATION <br />NORMAL WT. <br />EXT ADJ <br />2.5 .9 <br />1.4 .7 <br />1.0 .6 <br />.8 .4 <br />.3 <br />.2 <br />.1 <br /> <br /> <br />6A-3 DOOR SUMMER POINT MULTIPLIERS SPM) <br />DOOR TYPE EXTERIOR ADJACENT <br /> <br />WOOD <br /> <br />7.2 <br /> <br />2.4 <br /> <br />6A-4 CEILING SUMMER POINT MULTIPLIERS ISPM\ <br />UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF <br />R.VALUE sa R.VALUE SPM CEILING TYPE <br />19-21.9 (1.1) 10-10.9 3.0 R.VALUE 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~_ 1.4 1.3 <br />38 & Uo .4 26-29.9 1.1 <br /> ':InR.lln nQ <br /> <br />INSULATED <br /> <br /> <br /> <br />RAISED W0002 <br />POST OR PIER STEM WALL wi UNDER <br />CONSTRUCTION FLOOR INSULATION <br />SPM SPM <br />0.9 -5.8 <br />-1.1 -2.8 <br />-1.0 -2.2 <br /> <br />ADJ~CENT <br /> <br />SPM <br />5.3 <br />2.1 <br />1.8 <br /> <br /> 6A.7 DUCT MULTIPLIERS 10M) <br /> RETURN DUCTS RETURN DUCTS <br /> R.VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE <br /> SUPPLY DUCTS IN 4.2-5.9 1~ 1.10 <br /> UNCONDITIONED SPACE 6.0-6.6 [' 1.10) 1.07 <br /> 6.7 & Uo 1.09 1.06 <br /> SUPPLY DUCTSIN 4.2-5.9 1.10 1.00 <br /> CONDITIONED SPACE' 6.0-6.6 1.07 1.00 <br /> F; 7 R. 110 11\1\ 100 <br />6A-8 COOLING SYSTEM MULTIPLIERS ICSM) <br />SYSTEM TYPE COOLING SYSTEM MULTlPLlERSTCSM\ <br /> Ratina 10.0-10.4 -~ <br />Central Units (SEER) 7.5-7.9 8.0-8.4 8.5-8.8 8.9-9.4 9.5-9.9 10.5-1M.. Jl.0-l1A. 11.5-11~_ J2.0~1~4 <br />CSM .45 .43 .40 .38 .36 7341 .32 .31 ~- ~. <br />PT AC & Room Units (EER) Ratina 12.5-12.9 13.0-13.4 13.5-13.9 14.0-14.4 14.5-14.9 15.0-15.4 1~.9 16.0-16.4 ~.5-1~!!. H.O-17A JU~\J(l <br /> CSM .27 .26 .25 .24 .24 .23 .22 .21 .gL .20 .19 --- <br />MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 10.0 SEER, SINGLE PKG. 9.7 SEER, GROUND WATER HEAT PUMP 11.0 EER PTA~SEE TABLE 6-2--~~ <br /> <br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) <br />INFILTRATION PRACTICE SPM <br />SEE TABLE 6A.21 <br />PRACTICE '1 <br />PRACTICE '2 <br /> <br />6A.9 HOT WATER MULTlPLlERSIHWM\ <br />SYSTEM TYPE HOTWAT~~ M!!I,J!~bl~HWM <br /> .88,.90 --- ---~- <br />Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .91-.93 .94-.96 . .97~!J(l <br />-- -.t!WM 3879 ~?~- __ 3695 3609 , 3527 ') 3411 _ _~302__ __~gQL <br />Natural Gas EF .43-.47 I .48-.49 I .50-.51 .52-.53 .54-.55 .56-.57 .58-.59 .60=:6'1 .62-.63 .64-.65 .66& U(l <br /> HWM 2974 I 2664 I 2558 2459 2368 2284 2205 2132 2063 1998 1938 <br />LP Gas HWM 3638 I 3259 I 3129 3009 2897 2794 2697 2607 2523 2444 2370 <br /> <br />1 FOR MUL TlPLlERS 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- <br />