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;;:r-- . WINTER POINT MULTIPLIERS (WPM) CLIMATE ZONES 4 5 6 6A-10 WINTER. OVERHANG FACTORS (WOF) r OH RATIO 1 .00-.11 I .12-.17 I .18-.26 1 .27-.35 I .36-.46 I .47-.57 .58-.70 .71-.83 .84-1.18 11.19-1.72 11.73-2.73 1 2.74+ SINGLE PANE GLASS N 1.00 1.03 1.05 1.08 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1.34 NE/NW 1.00 1.07 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 SE/SW 1.00 .93 .90 .80 .68 .54 .39 .22 .05 -.33 -.71 -1.01 ..... S 1.00 .95 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 -1.09 (.)a: ~[ ~ DOUBLE PANE GLASS N 1.00 1.05 1.07 1.11 1.14 1.18 1.21 1.24 1.28' 1.34 1.40 1.47 NE/NW 1.00 1.11 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 .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 S 1.00 .96 .94 .87 .78 .65 .51 .33 .13 -.30 '.51 -.60 OH LENGTH' Oft. 1 ft. l%ft. 2ft. 3 ft. 3% ft. 4% ft. 5% ft. 6% ft. 9% ft. 14ft. 20ft.+ 'TO SELECT BY OVERHANG LENGTH , ~O PAWOF GLASS SHALL BE MORE THAN 8 FT. BELOW THE OVERHANG. ~ 6A-11 WALL WINTER POINT MULTIPLIERS (WPM) .- .--.-----.----.. FRAME ( CONCRETE BLOCIC,./ FACE BRICK LOG INT IluN XT. INSUL R.VALUE WOOD FR WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 7.0 61N CH R-VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10.9 2.1 R.VALUE 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 & Uo .6 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 8 INCH 19.25.9 1.1 1.0 2.6 2.2 11-18.9 1.5 1.1 .8 0-2.9 3.7 R-VALUE EXT 26& Uo .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 . 10 R. Iln 11 7 R.lln 7 .~- - '-- ) /",. (6A-12 DOOR WINTER POINT MULTIPLIERS DOOR TYPE EXTERIOR ADJACENT WOOD 7.6 ( 5.9 INSULATED ( 5.1 4.0 WPM) 6A-1~L1NG WINTER POINT MULTIPLIERS WPM UNDER ATTIC SINGLE ASSEMBLY R.VALUE WPM R-VALUE WPM 19-21.9 1.0 10-10.9 1.8 22-25.9 .9 11-12.9 1.6 26.29.9 .7 13-18.9 1.5 30.37.9~6 19-25.9 1.1 38 & U .4 26-29.9 .6 R-VALUE 10-13.9 14-20.9 21 &U CONCRETE DECK ROOF CEILING TYPE DROPPED EXPOSED 1.2 1.3 .7 .7 .4 .3 6A-14 FLOOR WINTER POINT MULTIPLIERS (WPM) SLAB-ON-GRADE RAISED RAISED WOO[)2 EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT CONSTRUCTION FLOOR INSULATION R-V ALUE WPM R-VALUE WPM R.VALUE WPM WPM WPM 0-2.9 2.5 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. Iln -2.7 7 & Uo II Hl & Un Q 3 10 6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM) INFILTRATION PRACTICE WPM SEE TABLE 6A-21 PRACTICE #1 PRACTICE #2 6A-16 DUCT MULTIPLIERS OM SUPPLY DUCTS IN UNCONDITIONED SPACE RETURN DUCTS IN CONDITIONED SPACE 1.10 1.07 1.06 1.00 1.00 SUPPLY DUCTS IN CONDITIONED SPACE' "-A-17 MEA TING SYSTEM MULTIPLIERS (HSM) ~rsTEM TYPE HEATING SYSTEM MULTIPLIERS IHSM Central Heat f- 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 9.90c 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 1.0 G~s &J,.,P ~1!llm_.__..,. .___~_____.____ 1.0 (See. TabJe 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. 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 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.