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<br />" . <br /> <br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 S 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 .94 .91 .85 .79 .72 .68 .63 ':sa- .50 .40 .36 <br />l3~ EN! 1.00 795T .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 <br />~l SElSW 1.00 ']3 .90 .81 .72 .62 .55 .49 .42 _33 .27 .22 <br />S 1.00 7.91 l' .87 .n .67 .57 .50 .45 .39 .32 .28 .25 <br />r..... . Oft 'tw' 1ihft 2ft 3ft ~lh-ft 4%ft I;%ft- f;%ft Q%it- 14ft- ?Oft... <br /> 'To select bv Ovemano Lenoth no oart of olass shall be more than 8 ft. below !he overhano. <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 <br />.6 <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 BlOCK1 <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 /> <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 (SPM) <br />UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF <br />R.VAlUE Sell 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 />3B & Uo .4 26-29.9 1.1 <br /> ~n R. /In OQ <br /> <br />INSULATED <br /> <br /> <br />6A.S FLOOR SUMMER POINT MULTIPLIERS SPM <br /> <br />SLAB-ON-GRADE RAISED <br />EDGE INSULATION CONCRETE <br /> <br />R.VAlUE R.VAlUE SPM <br />0-2.9 0-2.9 -1.0 <br />3-4.9 3-4.9 -1.7 <br />5-6.9 5-6.9 -1.7 <br /> <br /> <br />RAISED WOO[)2 <br />POST OR PIER STEM WAll w' 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-6 INAl TRATlON SUMMER POINT MULTIPLIERS (SPM) <br />INFilTRATION PRACTICE SPM <br />SEE TABLE 6A-21 <br />PRACTICE #1 <br />PRACTICE #2 <br /> <br />6A-7 DUCT MULTIPLIERS OM <br /> <br /> <br />SUPPLY DUCTSIN <br />UNCONDITIONED SPACE <br /> <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 SPACE3 <br /> <br />6A... COOLING SYSTEM MULTIPLIERS ICSM) <br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS ICSMl <br />Central Units (SEER) Ratina 7.5-7.9 8.0-8.4 8.5-8.8 8.9-9.4 9.5-9.9 10.(HD.4 10.5-10.9 11.0-11.4 11.5-11.9 12.0~jg~ <br />CSM .45 .43 .40 .38 .36 /.34 ) .32 .31 .30 .28 <br />PTAC & 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 l!i~.9 16,0-1~:i. ~1~~_ ,,11-0-1 ?A. 1?,~ !l/Q <br /> CSM .27 .26 .25 .24 .24 .23 .22 ,--,?1 c,-~l_L_-.1Q_ --_JL_ <br />MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 10,0 SEER. SINGLE PKG. 9.7 SEER. GROUND WATER HEAT PUMP 110 EER PTAC-SEE TABLE 6-2 <br /> <br />6A-9 HOT WATER MULTIPLIERS IHWMl <br />SYSTEM TYPE HOT WA~R ~!J~TIP!IEf!~ O!WM -'--r----- _____ ___._.___, <br />Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .88'41~ .91-.93 .94-.9L ~!!Z!l/Q_ <br />HWM 3879 3785 3695 3609 I (, 35~L---M1L. __~;m?~_.~?QQ.__ <br />Natural Gas EF .43-.47 I .48-.49 I .50-.51 .52-.53 .54-.55 .56-.57 .58-.59 .60-. L,--,62-.~L --..M-"65 ",~!.!!IL <br /> HWM 2974 T 2664 1 2558 2459 2368 2284 2205 2132._ c-?9/33 1998 _..19~ <br />LP Gas HWM 3638 I 3259 I 3129 3009 2897 2794 2697 2607 2523 2444 2370 <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 />