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shao 发表于 2014-4-4 19:53 2 o- m4 x( h4 t2 s8 Y0 E+ B
外墙应该没有几十尺吧
% H; X8 Y2 ~; uyes. say you have unit 33x30 FT for (990SqFt).
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33+30 FT outside wall could be anywhere 0.5FT (6" exterior wall width)x63 FT=31.5SqFt or 0.67 FT (sometimes lower floor has 8" exterior wall) x 63FT= 42.21SqFt." Q. f/ ]7 \& L7 B' b
interior wall area (Party wall and corridor wall)
: ^9 Y* {3 h) E6 m0.33FT (4" wall) x 63FT = 21SqFt or 0.5 FT x 63 FT=31.5 SqFt.8 H. Y& L9 k, n
add both together, 50SqFt to over 70SqFt
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) C9 {* d0 h, n% L2 Ofor single house, say 1800SqFt (main floor 24x26=624SqFt + second floor 24x50=1200SqFt)
, r A$ o. _/ ~3 t7 S# v1 x, p+ ~8 h& ?' fyour exterior wall area will be 0.5x(24+26)x2=50 SqFt for main floor. 0.5x(24+50)x2=74SqFt for second. ' I3 M e, G* t* C& |
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