Table 1.

Typical buildings (unit: m).

Buildings	l	W	η1	η2	η3	η4	HG	HC
B1	50	30	0	0	0	0	30	0
B2	50	30	15	15	0	0	30	10
B3	50	30	15	15	25	0	30	10
B4_L	50	20	10	10	10	10	20	5
B4_R	50	20	10	10	10	10	20	5
B4_M	40	20	10	10	10	10	20	5