To judge the scale of a disaster, it is necessary to understand the disaster area. Hung Ching-chuan says that every time they go out on an operation, headquarters always finds people--like building superintendents, restaurant owners, or residents--who are likely to know about the structure of the buildings and where there might be people in trouble.
判斷了災難規模，緊接著就要瞭解災難現場周圍的環境，洪晴泉說，每次出勤務，總會先找大廈管理員、餐廳負責人、娛樂場所的櫃台人員或是住戶，因為這些人最瞭解建築物的結構，以及哪些地方還可能有人受困。