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<br />SUMMER POtNT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A.1 SUMMER OVERHANG FACTORS (SO ~ FOR SINGLE AND DOUBLE PANE GLASS. <br />~r OH RATIO .QO..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 .4 .91 .85 .79 .72 .68 .63 -:58 .50 .40 .36 <br />ti~ ElW 1.00 f. 5) .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 <br />~l SElSW 1.00 .13 .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 />. Oft. 'Hf' 11,~ft ?It 3ft 3%ft 4% ft. 5!hft. 6!hft. Q!hft. 14 ft 20ft.. <br /> 'To select no lIAr! of tWwI shaH be more lhan 8 ft. below lhe 0VllIhana. <br /> <br />6A-2 WALL SUMMER POINT MULTIPLIERS SPM <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 />.3 <br />.2 <br /> <br />6A-3 DOOR SUMMER POINT MULTIPLIERS SPM) <br />DOOR TYPE EXTERIOR ADJACENT <br /> <br />WOOD <br />INSULATED <br /> <br />7.2 <br /> <br />2.4 <br /> <br /> <br />6A-5 FLOOR SUMMER POINT MULTIPLIERS SPM <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 /> <br />CONCRETE BLOCK' <br />INT. INSULATION <br />NORMAL wr. <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 />6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMI <br />UNDER Arnc SINGLE ASSEMBLY CONCRETE DECK ROOF <br />R-VALUE SRII R-V ALUE SPM CEILING TYPE <br />19-21.9 (1.1 ) 10-10.9 3.0 R.V ALUE DROPPED EXPOSED <br />22-25.9 n. 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 & Up 1.4 1.3 <br />38 & UP .4 26-29.9 1.1 <br /> :.In Rolin nll <br /> <br /> <br />RAISED WOOQ2 <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-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) <br />INFILTRATION PRACTICE SPM <br />SEE TABLE 6A.21 <br />PRACTICE #1 <br />PRACTICE #2 <br /> <br /> <br />6A-7 DUCT MULTIPLIERS OM <br /> <br />SUPPLY DUCTS IN <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 DUCTSIN <br />CONDITIONED SPACE3 <br /> <br />6A-8 COOLING SYSTEM MULTIPLIERS (CSMI <br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS CSMI <br />Central Units (SEER) Rating 7.5-7.9 8.0-8.4 8.5-8.8 8.9-9.4 9.5-9.9 10.Q;J.O.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) 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 16.5-16.9 17.0-17.4 17.5 & Up <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 HEAT PUMP 11.0 EER. PTAC-SEE TABlE 6.2 <br /> <br />6A-9 HOT WATER MULTIPLIERS (HWM) <br />SYSTEM TYPE HOT WATER MULTIPLIERS (HWM <br />Electric Resistance EF .SO-.81 .82-.83 .84-.85 .86-.87 .88~ .91-.93 .94-.96 .97 & Up <br />HWM 3879 3785 3695 3609 (3527 I 3411 3302 3200 <br />Natural Gas EF .43-.47 .48-.49 .50-.51 .52-.53 .54-.55 .56-.57 .58-.59 :&J::lfI .62-.63 .64-.65 .~.!!JIL <br />HWM 2974 2664 2558 2459 2368 2284 2205 2132 2063 1998 1938 <br />LP Gas HWM 3638 3259 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 no THE R.VALUE NECESSARY TO PREVENT CONDENSATION. <br /> <br />.3. <br />