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').UMMER POINT MULTIPLIERS (SPM) CUMATE ZONES 4 5 6 ..... SUMMER OVERHANG FACTORS ISOFI O~ GLE AND DOUBLE PANE GLASS. 6A.l ~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+ N 1.00 .94 .91 .87 .83 .79 .75 .72 .69 .62 .56 .50 NElNW 1.00 .94 .91 .85 .79 .72 .68 .63 .58 .50 .40 .36 1-0: Em 1.00 .95 .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 frlo ~l SElSW 1.00 .93 .90 .81 .72 .62 .55 .49 .42 .33 .27 .22 S 1.00 .91 I .87 .77 .67 .57 .50 .45 .39 .32 .28 .25 OH I FNGTH* 011 \1 II I lV, II, 2 ft. 3ft. 3'1, ft. 4V,1I <;y,1I 6V,1I Q1j,ft 14.ft ?Oft... \ 'T """'eel bv Overhana Lenalh na cart af alass shall be more than 8 ft. below the avemann. ....... 6A-2 WALL SUMMER POINT MULTIPLIERS ISPMI FRAME CONCRETE BLOCK' FACE BRICK LOG INT. INSULATION EXT. INSUL R-VALUE WOODFR [i WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 2.9 6 INCH R-VALUE EXT ADJ EXT ADJ R.VALUE EXT ADJ EXT 7-10.9 .6 R.VALUE EXT 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 7-10.9 2.3 .8 4.1 1.3 3-4.9 1.4 .7 .7 19-25.9 .2 CO' .... 3-6.9 1.1 11-12.9 1.9 .7 3.0 1.0 5-6.9 1.0 .6 .3 26 & Up .1 7&Uo .8 13-18.9 1.7 .6 2.8 0.9 7-10.9 .8 .4 .1 R-VALUE BLOCK > 8 INCH 19-25.9 1.0 .3 2.4 0.8 11-18.9 .4 .3 0 0-2.9 1.0 R-VALUE EXT 26& Uo .6 .2 1.3 0.4 19-25.9 .2 .2 3-6.9 .6 0-2.9 1.0 26 & Uo .1 .1 7-9.9 .4 3-6.9 .8 10&Uo .2 I 7 Rolln 7 6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMI DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE SPM R.VALUE SPM CEILING TYPE WOOD 7.2 2.4 19-21.9 1.1 10-10.9 3.0 R-VALUE DROPPED EXPOSED 22-25.9 .9 11-12.9 2.7 10-13.9 3.0 3.3 INSULATED 4.8 1.6 26-29.9 .7 13-18.9 2.4 14-20.9 2.0 2.1 30-37.9 .6 19-25.9 1.8 21 &Up 1.4 1.3 38 & Uo .4 26-29.9 1.1 30 & Uo 0.9 6A.5 FLOOR SUMMER POINT MULTIPLIERS ISPMI SLAB.QN-GRADE RAISED RAISED WOOI)2 EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJ~CENT CONSTRUCTION FLOOR INSULATION R-V ALUE SPM R-VALUE SPM R.VALUE SPM SPM SPM 0-2.9 -31.9 0-2.9 -1.0 0-6.9 0.9 -5.8 5.3 3-4.9 -31.8 3-4.9 -1.7 7-10.9 -1.1 -2.8 2.1 5-6.9 -31.7 5-6.9 -1.7 11-18.9 -1.0 -2.2 1.8 7 Rolin -::116 7 Ro Iln -17 HI Rolln -OQ -1,8 1 n SPM) 6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) 6A.7 DUCT MULTIPLIERS IDMI INFILTRATION PRACTICE SPM RETURN DUCTS RETURN DUCTS ISEE TABLE 6A.21 I R.VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE PRACTICE #1 13.8 SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 PRACTICE #2 10.9 UNCONDITIONED SPACE 6.0-6.6 1.10 1.07 76 6.7 & Uo 1.09 1.06 SUPPLY DUCTS IN 4.2-5.9 1.10 1.00 CONDITIONED SPACE' 6.0-6.6 1.07 1.00 6,7 & Uo 1.06 1110 6A-8 COOLING SYSTEM MULTIPLIERS ICSMI SYSTEM TYPE -- ---- ~ - --.-.- , CQO!,.lN~"-~,'t'.ST~,.. MUL TIPLlI;Fl~jc:~Ml --~-_. .,.-- Central Units (SEERI Ratina 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 CSM .45 .43 .40 .38 .36 .34 .32 .31 .30 .28 PTAC & Room Units (EERI 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 15.5-15.9 16.0-16.4 16.5-16.9 17.0-17.4 17.5 & Uo ~- CSM .27 .26 .25 .24 .24 .23 .22 .21 .21 .20 .19 MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 10.0 SEER. SINGLE PKG. 9.7 SEER. GROUND WATER HEAT PUMP 11.0 EER. PTAG--SEE TABLE 6-2 6A-9 HOT WATER MULTIPLIERS IHWMI ~,IEM TYPE HOT WATER MULTIPLIERS IHWM Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .88-.90 .91-.93 .94-.96 .97 & Un -, HWM 3879 3785 3695 3609 3527 3411 3302 3200 Natural Gas EF .43-.47 .48-.49 .50-.51 .52-.53 .54-.55 .56-.57 .58- .59 .60-.61 .62-.63 .64-.65 .66 & Uo -- --- - - -.-- HWM 2974 2664 2558 2459 2368 2284 2205 2132 2063 1998 1938 LP Gas HWM 3638 3259 3129 3009 2897 2794 2697 2607 2523 2444 2370 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 SECTION 3.1 OF APPENDIX C. 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R-VALUE NECESSARY TO PREVENT CONDENSATION. -3-