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<br />SUMMER POINT MULTIPLIERS (SPM)
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<br />6A-1 SUMMER OVERHANG FACTORS (SO :j 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 />NE/NW 1.00 ,94 ,91 ,85 .79 ,72 ,68 ,63 ,58 ,50 ,40 ,36
<br />tic:: E/W 1.00 ,95 ,92 ,85 .78 ,70 ,64 ,58 ,52 .42 ,33 ,26
<br />wO
<br />&1l SE/SW 1.00 ,93 ,90 ,81 ,72 ,62 ,55 ,49 .42 ,33 ,27 ,22
<br />S 1,00 ,91 ,87 ,77 ,67 ,57 ,50 ,45 ,39 ,32 ,28 ,25
<br />* oft lit l-'/,ft- ?It ::I ft- ::1';' ft d1j,ft 'l1j,ft f;1j,ft q1j, ft 1dft ?Oft..
<br /> 'To select bv Overhano Lennll1 no ru>rt of olass shall be more ll1an 8 ft, below the ovemann,
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<br />CLIMATE ZONES 4 S 6
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<br />6A-2 WALL SUMMER POINT MULTIPLIERS SPM
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<br />FRAME
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<br />WOOD
<br />EXT ADJ
<br />6,4 2,2
<br />2,3 ,8
<br />1,9 .7
<br />1:7 ,6
<br />1,0 ,3
<br />,6 ,2
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<br />R-VALUE
<br />0-6,9
<br />7-10,9
<br />11-12,9
<br />13-18,9
<br />19-25,9
<br />26& U
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<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
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<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 />,4 ,3
<br />,2 ,2
<br />,1 ,1
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<br />6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPM)
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-VALUE SPM R-VALUE SPM CEILING TYPE
<br />WOOD 7,2 2.4 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 />INSULATED 4,8 1.6 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 & Un 1,4 1,3
<br /> 38 & Un ,4 26-29,9 1,1
<br /> 30 JI. Un Oq
<br />6A-S FLOOR SUMMER POINT MULTIPLIERS (SPMI
<br />SLAB-DN-GRADE ii? RAISED RAISED WOO[)2
<br /> Ii. POST OR PIER STEM WALL wi UNDER
<br />EDGE INSULATION CONCRETE IX/ CONSTRUCTION FLOOR INSULATION ADJ~CENT
<br />R-VALUE SPM fifi R-VALUE SPM R-VALUE SPM SPM SPM
<br />0-2,9 -31,9 i: 0-2,9 -1,0 fi 0-6,9 0,9 -5,8 5,3
<br />3-4,9 -31.8 :ii 3-4,9 -1.7 lif 7-10,9 -1.1 -2,8 2,1
<br />5-6,9 -31.7 5-6,9 -1.7 !} 11-18,9 -1.0 -2,2 1.8
<br />7 JI. Iln -::11 f; I:: 7 Jl.lln -17 I:: 1Q JI. Iln -OQ -1 A 10
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<br />SPM)
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<br /> 6A.7 DUCT MULTIPLIERS (OM)
<br /> RETURN DUCTS RETURN DUCTS
<br /> R-VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE
<br /> SUPPLY DUCTS IN 4,2-5,9 1.14 1.10
<br /> UNCONDITIONED SPACE 6,0-6,6 1.10 1.07
<br /> 6,7 & Un 1.09 1,06
<br /> SUPPLY DUCTS IN 4,2-5,9 1.10 1.00
<br /> CONDITIONED SPACE' 6,0-6,6 1,07 1.00
<br /> f; 7 R. Iln fOB too
<br />6A-8 COOLING SYSTEM MULTIPLIERS (CSMI
<br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS lCSMl
<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 10,0-10.4 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 15,5-15,9 16,0-16,4 16,5-16,9 17,0-17,4 17,5 & Un
<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. PT AC-SEE TABLE 6-2
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<br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1 13,8
<br />PRACTICE #2 10,9
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<br />6A-9 HOT WATER MULTIPLIERS (HWM)
<br />SYSTEM TYPE HOT WATER MULTIPLIERS lHWM
<br />Electric Resistance EF ,80-,81 ,82-,83 ,84-,85 ,86-,87 ,88-,90 ,91-,93 ,94-,96 ,97 & Up
<br />HWM 3879 3785 3695 3609 3527 3411 3302 3200
<br />Natural Gas EF .43-.47 1 ,48-,49 1 ,50-,51 ,52-,53 ,54-,55 ,56-,57 ,58-,59 ,60-,61 ,62-,63 ,64-,65 ,66 & Un
<br />HWM 2974 1 2664 T 2558 2459 2368 2284 2205 2132 2063 1998 1938
<br />LP Gas HWM 3638 1 3259 T 3129 3009 2897 2794 2697 2607 2523 2444 2370
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<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 ONLY TO THE R.VALUE NECESSARY TO PREVENT CONDENSATION,
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