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<br />WINTER CALCULATIONS
<br />
<br /> CLIMATE ZONES 4 5 6
<br /> t-= GLASS IBASE WINTERI BASE t-= I SINGLE-PANE DOUBLE-PANE I WINTER lAS-BUILT
<br /> z z GLASS )( OR
<br /> w )( POINT = WINTER w WINTER POINT MULl WINTER POINT MULl )( OVERHAN6 = GL,(SS
<br /> ii: AREA MULTIPLIER ii: AREA
<br /> 0 POINTS 0 CLEAR TINT' CLEAR TINT2 FACTOR (9B) WIN. PTS.
<br /> N '-\.0 5,6 ~~\.1 N '-\~ 9,6 9,6 5,6 6,1 \.,~ ~"f
<br /> NE 3,5 NE 7.4 7,3 3,5 4,2
<br /> E ~<::;' - 5,6 - ''4 0 E ~-;- - 2,2 - 2,0 - 5,6 - 3,6 \.t) ... -:;.>
<br /> SE -13.4 SE -10,3 - 9.7 -13.4 -10.4
<br /> S ,~ -14,0 " \\If'\ S \0 -10.9 -10,2 -14,0 -11,0 , . t"\ -\~~
<br /> SW -13.4 SW -10,3 - 9,7 -13.4 -10.4
<br /> W lQ.\n - 5,6 ... "11)""\ t"\ W ~'o - 2,2 - 2,0 - 5.6 - 3,6
<br /> NW 3,5 NW 7.4 7,3 3,5 4,2
<br /> H' -14,0 H' -32,1 -28.0 -27,0 -21,5
<br />en ~ \t\fb - --=i. to -qo..\.\ E. \C)~ -~,~ .. '3, ~>I -'\0\
<br />en
<br />ct .'=>> ~\to) -\'-' -\").l:I\.::l ~ q~ - \~,~ - . l:t - \"'l~
<br />....I
<br />Cl
<br /> ,
<br /> .15 ~ CONDo I TOTAL I BASE I BASE I ADJUSTED AS-BUILT
<br /> FLOOR GLASS ADJUST )( GLASS = GLASS GLASS
<br /> I AREA I AREA I FACTOR I SUBTOTAL I BASE WP SUBTOTAL
<br /> ,15 1:L\h> I '3~3 I \O\~ I .. :\ "A\o'4 I - a.\~lD - (sa. \ "
<br /> ,
<br />
<br /> COMPONENT AREA )( BASE WINTER = AREA =
<br /> DESCRIPTION POINT MULl
<br /> EXTERIOR 1,1
<br />....I ADJACENT 1,8
<br />....I
<br />ct
<br />==
<br /> , ,
<br />[I] EXTERIOR t.~ 5.1 30\1 I I wD l.3 '1 ,CD '4 '" ~
<br /> 4,0
<br />8 ADJACENT
<br />Q
<br />
<br />
<br />INFILTRATION
<br />
<br />4,1
<br />
<br />
<br />Cl
<br />z
<br />:::::i
<br />W
<br />(.)
<br />
<br />UNDER ATTIC
<br />OR SINGLE
<br />ASSEMBLY .6
<br />BASE CEILING AREA EQUALS FLOOR AREA DIRECTLY UNDER CEILING. AS-BUILT CEILING AREA EQUALS ACTUAL CEILING SQUARE FOOTAGE.
<br />
<br />II:
<br />o
<br />o
<br />....I
<br />IL
<br />
<br />
<br />tD - 1.9
<br />- .2
<br />
<br />FOR SLAB-ON-GRADE USE PERIMETER LENGTH AROUND CONDITIONED FLOOR. FOR RAISED FLOORS USE AREA OVER UNCONDITIONED SPACE.
<br />,
<br />
<br />,
<br />';2 I g I'"
<br />I
<br />
<br />1,1
<br />
<br />BASE
<br />= HEATING
<br />POINTS
<br />
<br />\ O(g :> \.(-
<br />
<br />I I TOTAL COMPONENT AS-BUILT WINTER POINTS
<br />,
<br />TOTAL
<br />AS-BUILT)( )( )(
<br />WIN. PTS.
<br />
<br />....I
<br />ct
<br />.-
<br />o
<br />.-
<br />
<br />
<br />TOTAL COMPONENT BASE WINTER POINTS
<br />,
<br />TOTAL BASE
<br />)( WINTER
<br />POINTS
<br />
<br />~to.~1
<br />
<br />HEATING
<br />SYSTEM
<br />
<br />BASE HEATING
<br />SYSTEM
<br />MULTIPLIER
<br />
<br />~\S,
<br />
<br />BASE
<br />+ HEATING
<br />POINTS
<br />
<br />'H = Horizontal Glass (Skylights)
<br />2For glass with known Shading Coefficient, see section 903,2(a), Tint Multipliers may be used for glass with soiar screens, film, or tint.
<br />
<br />-4-
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