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. . ,t, I :" WINTER POINT MULTIPLIERS (WPM) 6A-1 0 WI~R OVERHANG FACTORS (WOF) CUMATE ZONES 4 5 6 ~r wa: u:l c. Southwest 1.00 1.002 1.013 1.038 1.071 1.118 1.168 ~l West 1.00 0.999 1.003 1.013 1.025 1.040 1.053 Northwest 1.00 0.999 0.998 0.997 0.997 0.996 0.995 OH Len th 0.0' 1.0' 1.5' 2.0' 3.0' 3.5' 4.5' 1.388 1.095 0.992 9.5' 1.490 1.107 0.990 14.0' 1.573 1.116 0.989 20.0' 6A-11 WALL WINTER POINT MULTIPLIERS (WPMl FRAME CONCRETE BLOCK NORMAl~ FACE BroCK LOG INTERIOR EXT. R.V ALUE WOOD FR R-VALUE BLOCK WOOD STEEL INSULATION INSUL 0-6.9 7.0 0-2.9 3.7 6 INCH 8 INCH R-VALUE EXT ADJ EXT ADJ R-VAlUE EXT ADJ EXT 7-10.9 2.1 3-6.9 2.6 R-VAlUE EXT EXT 0-6.B 6.8 5.3 9.4 6.7 0-2.9 6.0 3.1 6.0 11-18.9 1.7 7-9.9 1.8 0-2.9 2.2 1.2 7-10.9 2.5 2.1 4.4 3.3 3-4.9 3.8 2.3 2.8 19-25.9 1.0 10&UP 1.3 3-6.9 1.2 ,9 11.12.9 2.0 1.8 3.3 2.6 5-6.9 2.9 1.9 2.0 26 & Up .6 7&Up .9 ,7 13-18.9 1.8 1.6 3.0 2.4 7-10.9 2.3 1.5 1.5 19.25.9 1.1 1.0 2.6 2.2 11-18.9 1.5 1.1 .8 26& Uo .7 ,7 1.4 1.2 19-25.9 .8 .7 r NOTE:SEESECTION2.00FAPPENDIXCFORMULTIPI..::RS I 26& Up .5 .5 OF ENVELOPE COMPONENTS NOT ON THIS FORM, 6A-12 DOOR WINTER POINT MUL TIPUERS (WPM) 6A.13 CElUNG WINTER POINT MUL TIPUERS (WPM) DOOR TYPE EXTERIOR ADJACENT UNDER A mc SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE WPM R-VALUE WPM CEIUNG TYPE WOOD 7,6 5.9 19-21.9 .87 10-10.9 1.02 R-VALUE EXPOSED DROPPED 22.25.9 .78 11-12.9 .96 10-13.9 1.16 1.05 INSUU\TED 5,1 4.0 26-29.9 .69 13-18.9 .84 14-20.9 .83 .76 30-37.9 .64 19-25.9 .62 21 & Up .54 .50 38 & Un .55 26-29,9 .50 RBS Credit 0.850 30 & Up .46 IRCC Credit 0.905 6A.14 FLOOR WINTER POINT MULTIPLIERS (WPM) White Roof Credit 1.044 SLAB-ON.GRADE RAISED RAlSEIrWoolr EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT CONSTRUCTION FLOOR INSULATION R-VALUE WPM R-VALUE WPM R.VALUE WPM WPM WPM 0-2.H 2.5 0-2.9 4.0 0-6.9 2.49 1.8 5,3 3.4,~1 .1.] 3-4.9 1.8 7-10.9 0,78 .7 2.1 5.6.~1 -2.4 5-6.9 1.1 11-18.9 0.47 .5 1.8 7&Uo .2.7 7&00 .8 19&Uo 0.14 .3 1.0 6A-15 INFILTRATION & INTERNAL GAINS IWPM) 6A.17 DUCT MULTIPLIERS OM) SeeTable6-10forCodemlnllnumt. Air Infiltration 0.87 DUCT RETURN DUCTS In: Internal Gains -1.15 SUPPLY DUCTS IN: R-Value Unconditioned Attic! Attic! Attic! I Conditioned Infiltration/Internal Gains .0.28 SDlce RBS IRCC White roof scace (Combined) 4.2 1.107 1.098 1.100 1.102 1.092 Unconditioned Space 6:0 1.078' T.U72" 1.074 1.075 1,0611 AIR HANDLER MUL TIPUERS /wPM) [0 1.061 1.056 1.057 1. 05lf 1 C~2 6A.16 4.2 1.076 1.067 -- .-- 1.059 Located in oaraoe 1.00 AtticlRadiant Barrier (RBS) 6.0 1.058 1.05f --- --- 1.045 Located in condmoned area 0.92 8.0 1.046 1.04f --- --- 1.036 Located on exterior of buildina 1.09 4.2 1.ll9T --- 1.088 -- .07T Located in attic 1.11 Atticllnterior Radiation 0:0- 1.07 --- 1.066 --- .057 Control Coatinas (IRCC) a: 1.0 - 1.052 --- 4. 1.1 --- --- 1.1' AttiCIWhite roof 6. 1. --- --- 1. 1. 8. r _n n_ 1. 4. 1: 1.008 1.010 1. Conditioned Space 01f 1.)07 1.006 1.007 1) 07 .000 6A-18 HEATING SYSTEM MULTIPLIERS IHSMl ao 1.)05 1.005 1.006' r:~ .000 SYSTEM TYPE See Tables 6.610 6.8 tor code minimums HEATING SYSTEM MULTIPUERS IHSM Central H3at HSPF 6.40-6.79 6.80-6.89 6.90-7.39 7.40-7.89 7.90-8.39 8.40-8.89 8.9-9.39 9.4-9.89 Pump Units HSM .53 .50 .49 .46 .43 .41 .38 .36 HSPF 9.90-10.39 10.40-10.89 10.90-11.39 11.40-11.89 11.90-12.39 12.40 & up HSM .34 .33 .31 .30 .29 .28 PTHP COP 2.50-2.69 2.70-2.89 2.90-3.09 3.10-3.29 3.30-3.49 3.50-3.69 3.70-3.89 3.90-4.19 HSM .40 .37 .34 .32 .30 .29 .27 .26 Electric Strip & Gas 1.0 (for gas credit multipliers, see Table 6A-21) Effective date: March 1, 2003