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SUMMER POINT MULTIPLIERS (SPM) ~r tia: ~[ 6A-1 SUMMER OYERHANG FACTORS (SOFI FOR SINGLE AND DOUBLE PANE GLASS. OH RATIO .00-.11 .12-.17 .18-.26 .27-.35 .36-.46 .47-.57 .58-.70 .71-.83 N 1.00 .94 .91 .87 .83 .79 .75 .72 NE/NW 1.00 .94 .91 .85 .79 .72 .68 .63 EIW 1.00 .95 .92 .85 .78 .70 .64 .58 SE/SW 1.00 .93 .90 .81 .72 .62 .55 .49 S 1.00 .91 .87 .77 .67 .57 .50 .45 OH lENGTH' 0 ft 1 ft 1'h ft 2 ft. 3 ft. 3V.ft 41;; ft 5V. ft. 'To select bv Ovemano Lenattt no oart of alass shall be more than 8 ft. below the overhana. CLIMATE ZONES 4 5 6 .84-1.18 1.19-1.72 1.73-2.73 2.74+ .69 .62 .56 .50 .58 .50 .40 .36 .52 .42 .33 .26 .42 .33 .27 .22 .39 .32 .28 .25 Sv.ft. Q1j,ft 14ft -.20 ft. + 6A-2 WALL SUMMER POINT MULTIPLIERS SPM FRAME WOOD EXT ADJ 6.4 2.2 2.3 .8 1.9 .7 1.7 .6 1.0 .3 .6 .2 R-YALUE 0-6.9 7-10.9 11-12.9 13-18.9 19-25.9 26& U CONCRETE BLOCK' INT. INSULATION NORMAL WT. EXT ADJ 2.5 .9 1.4 .7 1.0 .6 .8 .4 .4 .3 .2 .2 .1 .1 STEEL EXT ADJ 8.9 2.9 4.1 1.3 3.0 1.0 2.8 0.9 2.4 0.8 1.3 0.4 6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMI DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF R-YALUE SPM R-YALUE SPM CEILING TYPE WOOD 7.2 2.4 19-21.9 1.1 10-10.9 3.0 R-YALUE 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 & Ua .4 26-29.9 1.1 ~O R. Un OQ 6A-5 FLOOR SUMMER POINT MULTIPLIERS (SPMI SLAB-ON-GRADE ',t:11f RAISED RAISED WOO[)2 EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJ~CENT un CONSTRUCTION FLOOR INSULATION R-YALUE SPM iif. R-YALUE SPM R-YALUE SPM SPM SPM 0-2.9 -31.9 0-2.9 -1.0 0-6.9 0.9 -~j.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 -to -2.2 1.8 7R.IJn -~11l [Ii' 7 R. Un -17 ii 1Q R. Un -OQ -1.8 1.0 SPM) 6A-? DUCT MULTIPLIERS (OM) RETURN DUCTS RETURN DUCTS R-YALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 UNCONDITIONED SPACE 6.0-6.6 1.10 1.07 6.7 & Ua 1.09 1.06 SUPPLY DUCTS IN 4.2-5.9 1.10 1.00 CONDITIONED SPACE3 6.0-6.6 1.07 1.00 fl. 7 & Un LOll 1.00 6A-8 COOLING SYSTEM MULTIPLIERS (CSMI SYSTEM TYPE COOLING SYSTEM MULTIPLIERS lCSMI Central Units (SEER) Rating 7.5-7.9 8.0-8.4 8.5-8.8 8.9-9.4 9.5-9.9 10.0-10.4 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 (EER) Rating 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 & Ua 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. PTAC--SEE TABLE 6-2 6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) INFILTRATION PRACTICE SPM SEE TABLE 6A-21 PRACTICE #1 13.8 PRACTICE #2 10.9 6A-9 HOT WATER MULTIPLIERS (HWMI SYSTEM TYPE HOT WATER MULTIPLIERS lHWM '. EF .80-.81 .82-.83 .84-.85 .86-.87 .88-.90 .91-.93 .94-.96 .97 & Up Electric ResistanCe HWM 3879 3785 3695 3609 3527 3411 3302 3200 Natural Gas EF .43-.47 I .48-.49 .50-.51 .52-.53 .54-.55 .56-.57 .58-.59 .60-.61 .62-.63 .64-.65 .66 & Up HWM 2974 I 2664 2558 2459 2368 2284 2205 2132 2063 1998 1938 LP Gas HWM 3638 I 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.