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WINTEB POINT MULTIPLIEF\S (Wpr..1) CUMATHONES 4.5 ;, -, 6A-Hi WINTER OVERHANG FACTORS (WOF) .47-.57 1 .58-.70 I .71-.83 I .84-1.18 11.19-1.72 1.73-2.73 2.74+ ~ OH RATIO .00-.11 1 .12-.17 1 .18-.26 I 12}...35 I ,36-.46 -r- ,~. SINGLE PANE GLASS . 1.00 1.03 1.05 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1,34 N LOti 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 EIW 1.00 .71 .57 .19 -.20 -.65 -1.05 -1.48 -2.03 -3.01 -4.06 -504 .-- .68 .54 .39 .22 .05 -,33 -.71 -1.01 >- SE/SW 1.00 .93 90 .80 lD ~ S 1.00 ,95 .92 .8;1" .70 .54 .36 .13 -.13 -,70 -.98 -109 ua:: ........... DOUBLE PANE GLASS wo ...J 1.21 1.24 1.28 1.34 1.40 147 WI N 1.00 1.05 1.07 1.11 1.14 1.18 en ' 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 . .96 .94 .87 .78 .65 .51 .33 .13 -.30 -.51 -.60 ! S 1.00 -- 3'12 11. 4Y, h. 5Y, h. 6Y,h. 9\12 h. 14h. 20 h.+ ~ OH LENGTH' o h. 1 h. lY,h. 2 h. c_"""" 3 h. FT. B L W THE OVERHANG. TO SELECT BY OVERHANG LENGTH, NO PART OF GLASS SHALL BE MORE THAN 8 E 0 6A-11 WALL WINTER POINT MULTIPLIERS (WPM) FRAME CONCRETE BLOCK1 FACE BRICK LOG INT, INSULATION ~XT. INSUL R.VALUE WOOD FR WOOD STEEL NORMAL WT, NOR, WT. 0-6.9 7.0 611 CH -- R.VALUE EXT ADJ EXT 7-10.9 2.1 R.VALUE EXT R-VALUE EXT ADJ EXT ADJ 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+ 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 I 3.3 2.6 5-6.9 2.9 1.9 2.0 26 & Up .6 7 & Uo ,9 13-18.9 '1:8" '-r:'iJ 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.<; 1.1 .8 0-2.9 3.7 I A.VAlUE EXT _26~J1L .7 .7 1.4 1.2 19-25.9 .8 .7 3-6.9 2.6 0-2.9 1.2 26 & UP .5 .5 7-9.9 1.8 3-6.9 .9 10 Il. Un 13 7 Rolin .7 6A.12 DOOA WINTER POINT MULTIPLIERS 6A.13 CEILING WINTER POINT MULTIPLIERS (WPM) DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC - SINGLE ASSEMBLY CONCRETE DECK ROOF A-V ALUE WPM R.VALUE WPM CEILING TYPE 1------. - WOOD '7.6 " .,.1 5.9 19-21.9 10 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 INSULATED 5.1 4.0 26.29.9 .7 13-18.9 1.5 14-20.9 .7 .7 30-37.9 .6 19.25.9 1.1 21 & UP .4 .3 38 & UP .4 26-29.9 .6 30 & Un Ii 6A-14 FLOOR WINTER POINT MULTIPLIERS (WPMI SLAB-ON-GRADE RAISED RAISED WOO[)2 EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT CONSTRUCTION FLOOR INSULATION .. '-'wPM)- 1--------. ----.--. - R-VALUE R-VALUE WPM R.VALUE WPM WPM WPM 0-2.9 ( 2.s./ 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 I 711. Iln .?7 7&Uo II Hl II. lIn Q 3 10 WPM) 6A-1S INFILTRATION WINTER POINT MULTIPLIERS (WPM) 6A-16 DUCT MULTIPLIERS (DMI INFILTRATION PRACTJCE WPM RETURN DUCTS RETURN DUCTS (SEE TABLE 6A.21) R.VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE PRACTICE #1 6.2 SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 PRACTICE #2 4.1 UNCONDmONED SPACE 6.0-6,6 1.10 1.07 t"'HAI liLt' #3 ?? 6.7 & Uo 1.09 1.06 SUPPLY DUCTS IN 4.2-5.9 1.10 1.00 CONDmONED SPACE' 6.0-6.6 1.07 1.00 /:; 7R.Iln 1M 1M 6A-17 HEATING SYSTEM MULTIPLIERS (HSMI SYSTE.~ Typ,E ---- _ .,_ _....JiEATI~~SYSIEM MULTIPLIERS (HSM) .----.- _. Central Heat HSPF _ 6.40-6.79_ .. 6.80-(1.89__ _ 6.90-7.3~_ . 7.4.9-7,8~ . I@-8.3~ ~4Q-8.89 _8.9-~dlL_ .J!.4-9.89 Pump Units HS~ _____. __ .53u_ J----~-- __.4.!L .46 . - '--_ .43 .41 .38 .36 --"- f--.tlSPF 9.90-10.39 10,40-10.89 10.90-11.39 11.40-11.89 11.90-12.39 12.40 & un . . --..----.-- _ .HSM '__ .34 .33 .31_ f--. .30 .29 .28 .- PTHP ~Qe__ 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~n . .._--~..- HSM .40 .37 .34 .32 .30 .29 .27 .26 - . .Ele<;tn<;_~1rIjl_n~_J--- 1.0 ...Gas B< LP G<is. _ ' 1.0 (See Table 6A-18 lor 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. I FOR MULTIPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2,' 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.