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WINTER POINT MULTIP IERS (WPM) CUMATE ZONES 4 5 6 6A-10 WINTER OVERHANG FACTORS (WOF) ,,", r OH RATIO ,00-.11 . 2-/17 \ .18-.26 I .27-.35 I .36-.46 .47-.57 .58-.70 .71-.83 .84-1.18 1.19-1.72T 1.73-2.73 r 2.74+ I SINGLE PANE GLASS N 1.00 .03 1.05 1.08 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1.34 NE/NW 1.00 .07 1.10 1.15 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67 I E/W 1.00 .71 .57 .19 -.20 -.65 -1.05 -1.48 -2.03 -3.01 -4.06 -5.04 ~I SE/SW 1.00 .~ .90 .80 .68 .54 .39 .22 .05 -.33 -.71 -1.01 ~a: S 1.00 ~5 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 -ffi9 frlo DOUBLE PANE GLASS gl N 1.00 .[)S 1.07 1.11 1.14 1.18 1.21 1.24 1.28 1.34 1.40 1.47 I NE/NW 1.00 .11 1.16 1.24 1.32 1.41 1.48 1.56 1.63 1.80 1.94 2.08 E/W 1.00 .88 I .82 .66 .50 .31 .15 -.03 -.26 -.66 -1.10 -1.50 SE/SW 1.00 \95/ .92 .85 .76 .65 .54 .41 .28 -.01 -.30 -.52 L S 1.00 .WI .94 .87 .78 .65 .51 .33 .13 -.30 -.51 -.60 OH LENGTH' 011. 111./ 1 '12 II. 2 II. 311. 3'1211. 4'1211. 5'/211. 6'1211. 9'1211. 1411. 2011.+ 'TO SElEC BY ~ERHANG lENGTH, NO PART OF GLASS SHAll BE MORE THAN 8 FT. BELOW THE OVERHANG. V 6A-11 WALL WINTER POINT MULTIPLIERS (WPM) FRAME CONCRETE BLOCK' FACE BRICK LOG INT. INSULATION I:XT. INSUL R-VALUE WOOD FR WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 7.0 6 INCH R-VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10.9 2.1 R-YALUE EXT 0-6.9 6.8 5.3 9.4 6.7 0-2.9 6.0 3.1 6.0 11-18.9 1.7 0-2.9 2.2 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 3-6.9 1.2 11-12.9 2.0 1.8 3.3 2.6 5-6.9 2.9 1.9 2.0 26 & UP .6 Ii 7 & Uo .9 13-18.9 1.8 1.6 3.0 2.4 7-10.9 2.3 1.5 1.5 R-VALUE BLOCK I SIN CH 19-25.9 1.1 1.0 2.6 2.2 11-18.9 15 1.1 .8 0-2.9 3.7 -R:VALUE EXT 26& UP .7 .7 1.4 1.2 19-25.9 .8 .7 3-6.9 2.6 0-2.9 1.2 26 & Uo .5 .5 7-9.9 1.8 3-6.9 .9 10R.lln 1 ::l 7 R. Iln 7 6A-12 DOOR WINTER POINT MULTIPLIERS DOOR TYPE EXTERIOR ADJACENT WOOD 7.6 5.9 INSULATED 5.1 4.0 WPM) 6A.13 CEILING WINTER POINT MULTIPLIERS (WPMl UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE WPM R-VALUE WPM CEILING TYPE 19-21.9 1.0 10-10.9 1.8 R-VALUE DROPPED EXPOSED 22-25.9 .9 11-12.9 1.6 10-13.9 1.2 1.3 26-29.9 .7 13-18.9 1.5 14-20.9 .7 .7 30-37.9 .6 19-25.9 1.1 21 &Uo .4 .3 38 & Un .4 26-29.9 .6 ::lO R. IJn 4 6A-14 FLOOR WINTER POINT MULTIPLIERS (WPM) SLAB-ON-GRADE RAISED RAISED WOO02 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 0-2.9 ' . ( 2.5.:5 0-2.9 4.0 0-6.9 7.9 1.8 5.3 3-4.9 -1.7 3-4.9 1.8 7-10.9 2.1 .7 2.1 -- 5-6.9 -2.4 5-6.9 1.1 11-18.9 1.5 .5 1.8 7 R. lln -') 7 7 R.lln R 10 R. IIn 0 .3 1 n 6A-15 INFILTRATION WINTER POINT MUL TIPUERS (WPM) INFILTRATION PRACTICE WPM SEE TABLE 6A-21 PRACTICE #1 6.2 PRACTICE #2 4.1 6A.16 DUCT MULTIPLIERS OM SUPPLY DUCTS IN UNCONDITIONED SPACE RETURN DUCTS RETURN DUCTS IN UNCONDITIONED SPACE IN CONDITIONED SPACE 1.10 1.07 1.06 1.00 1.00 SUPPLY DUCTS IN CONDITIONED SPACE' 6A-17 HEATING SYSTEM MULTIPLIERS (HSM) SYSTEM TYPE HEATING SYSTEM MULTIPLIERS (HSMl Central Heat 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.~~ Pump Units HSM .53 .50 -- 1-----..49~._ __AL_ .~- 1---. .41 .38 _.~_13 _._~ HSef.__ ___ .. 9.90-10.39 1 0.49~ 10.89_ ~9Q-l L~~_ __ 11.40-11.89 11.90-12.39 12.40 & UP . ------- - -.----- HSM .34._ ,--AL__ I-___,~J .30 .29 .28 ----"~_._~_._-- PTHP __Q01' 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 1.0 Gas & LP Gas 1.0 (See Table 6A-18 for Credit Multiplier) .. MINIMUMS: CENTRAL UNITS-AIR SOURCE SPLIT SYSTEM 6.8 HSPF, SINGLE PKG, 6.6 HSPF, WATER SOURCE 3,8 COP, GROUND WATER SOURCE 3,4 COP, PTHP SEE TABLES 6-6 TO 6-8, , FOA 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. -5-