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<br />WINTER POINTMULTIPLJERS (WPM)
<br />6A-10 WINTER OVERHANG FACTORS (WOF)
<br />
<br />CLIMATE ZONES 4. 5 6
<br />
<br />~r
<br />
<br />wa:
<br />
<br />
<br />~[
<br />
<br />
<br />Southwest
<br />West
<br />Northwest
<br />OH Len th
<br />
<br />1.00
<br />1.00
<br />1.00
<br />0,0'
<br />
<br />1.002
<br />0.999
<br />0.999
<br />1.0'
<br />
<br />1.013
<br />1.003
<br />0.998
<br />1.5'
<br />
<br />1.118
<br />1.040
<br />0.996
<br />3.5'
<br />
<br />1.168
<br />1.053
<br />0.995
<br />4.5'
<br />
<br />1225
<br />1.067
<br />0.994
<br />5.5'
<br />
<br />1278
<br />LOn
<br />0.993
<br />6,5'
<br />
<br />1.388
<br />1.095
<br />0.992
<br />95
<br />
<br />1.490
<br />1.107
<br />0.990
<br />14.0'
<br />
<br />1.573
<br />. 1.116
<br />0.989
<br />20.0'
<br />
<br />6A.11 WALL WINTER POINT MUL TlPUERS /WPMl
<br /> FRAME CONCRETE BLOCK (NORMALYrn FACE BRICK LOG
<br /> INTERIOR 00. RoV ALUE WOODFR R-VALUE BLOCK
<br /> WOOD STEEL INSULATION INSUL Q-6.9 7,0 0-2.9 3.7 6 INCH 8 INCH
<br />R-VALUE 00 ADJ 00 ADJ RN ALUE EXT ADJ EXT 7-10,9 2.1 3-6.9 2.6 R-VALUE EXT EXT
<br />Q-6.9 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 22 1.2
<br />7-10.9 2.5 2.1 4,4 3.3 3-4,9 3.8 2.3 2.8 1 So25.9 1.0 10&UP 1.3 3-6.9 1.2 ,9
<br />11-12,9 2.0 1.8 3.3 2.6 5-0.9 2.9 1.9 2.0 26&Up .6 7& Up .9 .7
<br />13-18.9 1.8 1.6 3,0 2.4 7-10,9 2,3 1.5 1.5
<br />1 So25,9 1.1 1.0 2.6 2.2 11-18.9 1.5 1.1 .8
<br />26& Un .7 ,7 1,4 1.2 1 So25.9 .8 ,7 r NOTE:SEESECTlON2.0OFAPPENOIXCFORMULTlPUERS 1
<br /> 26 & Up .5 .5 OF ENVELOPE COMPONENTS NOT ON THIS FORM,
<br />
<br />6A-12 DOOR WINTER POINT MULTIPLIERS (WPM)
<br />
<br />6A-13 CEILING WINTER POINT MULTIPLIERS (WPM)
<br />
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-VALUE WPM R-VALUE WPM CElLlNG TYPE
<br />WOOD 7.6 5.9 1 So21.9 .87 10-10,9 1.02 R-V ALUE EXPOSED DROPPED
<br /> 22-25.9 .78 11-12.9 96 10-13.9 1.16 1.05
<br />INSULATED 5.1 4.0 26-29.9 .69 13.18.9 .84 14,20,9 .83 .76
<br /> 30-37.9 .64 19.25.9 .62 21 & Up .54 .50
<br /> 38 & Uo .55 26-29.9 .50
<br /> RSS Credit 0.850 30 & Up .46
<br /> IRC9 Credit 0,905
<br />6A-14 FLOOR WINTER POINT MULTIPLIERS (WPM) White Roof Credit 1.044
<br />SLAB-GN-GRADE . ~,~~~I RAISED t2il . RAISED WOOD
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R-VALUE WPM I1rNI R-VALUE WPM tr,mrl R-VALUE WPM WPM WPM
<br />0-2.9 2,5 Iii':.'" 0-2.9 4.0 Ii!~/I 0-6,9 2.49 1.8 5,3
<br />3-4,9 .1.7 Ii:; 1 3-4.9 1.8 Lii!'! 7-10,9 0,78 .7 2.1
<br />5-6,9 -2.4 1::';.11 5-6.9 1.1 I;;;t;l 11-18.9 0.47 .5 1.8
<br />7 & Uo .2.7 F':'d 7 & Uo .8 lfi'BtI 19 & Uo 0.14 .3 1.0
<br />
<br />6A-15 INALTRATION & INTERNAL GAINS /wPMl 6A-17 DUCT MULTIPLIERS DMl See Table ..10 'Of Cod. minimums.
<br />c,AitlilfiltratiolT" . 'c.: .. . " 0:87' DUCT RETURN DUCTS In:
<br />t'lntemalGains" ..c.... ,..'.... \- . ..... ,;. '''1.;15:'',' SUPPL Y DUCTS IN: R-Value Unconditioned AUicl AUiC/ Atticl Conditioned
<br />InfiltratiorJlnternal Gains -0.28 soace RBS lRCC White roof SDace
<br />(Combined) 4.2 1.1 07 1.098 1.100 1.1 02 1.092
<br /> Unconditioned Space 6.0 1.078 1.072 1.074 m 1. 068
<br /> 8,0 1~Ool LOtio l.UtI! .058 1.052
<br />6A-16 AIR HANDLER MULTIPLIERS /WPMl 4,2 1.070 1.06! 1. 059
<br />Located in naraoe 1.00 AlticJRaolanl Barrier (RBS) 6.0 ,058 1.051 - 1,045
<br />Located in conditioned area 0.92 8.0 1.046 1.041 - - T.U3O
<br />Located on exterior of buildinQ 1.09 4.2 1.097 - 1.088 - 1.077
<br />Located in attic 1.11 Attic/Interior Radiation 6.0 1.073 - 1.066 ToOS7
<br /> Control Coatings (IRCC) 8. 1.057 - 1,052 - T.U45
<br /> 4, ,120 - - 1:TW 1.UllS
<br /> AttidWhite roof 6. 1.088 - - 1"]'8T 1:0 ?IT
<br /> 8'. r1l6H' 1,063 'T:054
<br /> 4. UlOS- 1.00S- 1.010 1.009 1:000
<br /> Conditioned Space o:D' 1.007 1.006 1.00! 1,007 1.000
<br />6A-1B HEATING SYSTEM MULTIPLIERS (}iSMl 8.0 1.005 1.005 1.006 f.llllO - f.ooo
<br />SYSTEM TYPE See Tables 6-6 to 6-8 for codeninimums HEATING SYSTEM MULTlPLlERSIHSM ..
<br />Central Heal HSPF 6,40-6.79 6.8D-6.89 6.90-7.39 7.40-7.89 7,90-8.39 8.4D-8.89 8.So9,39 9,4-9,89
<br />Pump Units HSM .53 .50 ... .49 . ,46 ,43 .41 .38 ,36
<br /> HSPF 9,90-10.39 10.40-10.89 10.90-11.39 11.40-11.89 11.90-12.39 12.40&uo
<br /> HSM .34 ,33 .31 ,30 29 .28
<br />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
<br /> HSM .40 . ,37 ... .. .34 ... "'-.32.' .30 .. - .. .29 ... .27 . ...26 .
<br />E1eclIic Slrip & Gas . 1.0 (for gas credit multipliers, see Table 6A-21) .. -:-
<br /> ..
<br />
<br />Effective date: March 1, 2003
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