|
<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A.1 SUMMER OVERHANG FACTORS (SOF) 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 />I-a: E/W 1.00 ,95 ,92 ,85 ,78 .70 ,64 ,58 ,52 ,42 ,33 ,26
<br />frlo
<br />ml SE/SW 1.00 ,93 ,90 ,8~ ,72 ,62 ,55 .49 .42 ,33 ,27 ,22
<br />S 1.00 ,91 ,87 ,77 ,67 ,57 ,50 .45 ,39 ,32 ,28 ,25
<br />OH LENr,TH* Oft 1 ft 1V, ft, 2ft, 3ft. 3Y, ft, 4Y, ft, 5Y, ft, I>v, ft !Iv, ft 14ft 'Oft-l-
<br /> 'To select bv Overhana Lenath, no Dart of class shall be more than 8 ft, below the overhana,
<br />
<br />6A.2 WALL SUMMER POINT MULTIPLIERS SPM
<br />FRAME
<br />
<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
<br />
<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
<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 BLOCKt
<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
<br />
<br />
<br />6A.3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MUL TIPUERS (SPM)
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ArnC 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 & Up 1.4 1.3
<br /> 38 & Up .4 26-29,9 1.1
<br /> 30 & Un 0~9
<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS (SPM)
<br />SLAB-ON-GRADE ill! RAISED !it RAISED WOO[)2
<br />EDGE INSULATION iiil! CONCRETE II POST OR PIER STEM WALL wI UNDER ADJ~CENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R.VALUE SPM Hi R.VALUE SPM Iii R.VALUE SPM SPM SPM
<br />0-2,9 -31.9 0-2,9 -1.0 IiiI 0-6,9 0,9 -5,8 5,3
<br />3-4,9 -31.8 iliI; 3-4,9 -1.7 tii 7-10,9 -1,1 -2,8 2,1
<br />5-6,9 -31.7 jjI;; 5-6,9 -1,7 Iii 11-18,9 -1,0 -2,2 1.8
<br />7 & IJn -31.6 iim! 7& Un -1.7 to;; 1!1 & Un -0 !I -LR 1,0
<br />
<br />SPM)
<br />
<br /> 6A.7 DUCT MULTIPLIERS (DMI
<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 & Uo 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 /> 6,7 & Un 1,06 _too
<br />6A-8 COOLING SYSTEM MULTIPLIERS (CSMI
<br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS (CSM)
<br />Central Units (SEER) Ratino 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 & 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. PTAG-SEE TABLE 6-2
<br />
<br />6A-8 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A.21
<br />PRACTICE #1 13,8
<br />PRACTICE #2 10,9
<br />
<br />6A.9 HOT WATER MULTIPLIERS (HWMI
<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 ,48-.49 ,50-,51 ,52-,53 ,54-,55 ,56-,57 ,58-,59 ,60-,61 ,62-,63 ,64-,65 ,66 & Up
<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 ONLY TO THE R-YALUE NECESSARY TO PREVENT CONDENSATION,
<br />
<br />,3,
<br />
|