 鲜花( 3)  鸡蛋( 0)
|
shao 发表于 2014-4-4 19:53 + _3 s0 J5 z q: w' }7 C
外墙应该没有几十尺吧
+ B7 `0 E! m; ?# R' l4 hyes. say you have unit 33x30 FT for (990SqFt). " T, {2 ~7 f' Z# ~4 d& N! n, ^3 t
outside wall areas
" c- D1 W' h0 A6 W. F33+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.) D; R3 f/ d! E- z( s
interior wall area (Party wall and corridor wall)
$ C& T$ M1 X) A0.33FT (4" wall) x 63FT = 21SqFt or 0.5 FT x 63 FT=31.5 SqFt.
, h9 B8 N" c+ s0 i7 S0 ~+ zadd both together, 50SqFt to over 70SqFt
. [3 Q d# p7 u' \/ A) d0 g' \/ ^ n+ Q2 b6 r& o _2 w' r+ Z6 e9 h
for single house, say 1800SqFt (main floor 24x26=624SqFt + second floor 24x50=1200SqFt)
2 j5 @0 s) |/ S0 G1 z0 ryour exterior wall area will be 0.5x(24+26)x2=50 SqFt for main floor. 0.5x(24+50)x2=74SqFt for second.
4 Y S; M+ [5 }; q! n" z; g4 o, D* `0 T6 _$ Q' f+ |7 A4 L! R
|
|