原香港当局 (现中国香港特别行政区 )对高层建筑的避难层甚为重视 ,归纳起来有如下几点要求 :1、高层建筑的层数达 2 5层时 ,必须设置避难层。2、超过 2 5层的建筑物通常用避难层分为几个相等的部分。自底层至避难层或两个避难层之间 ,一般应不多于 15层。以华润大厦为例 ,就分 The original Hong Kong authorities (now Hong Kong Special Administrative Region of China) attach great importance to the evacuation floors of high-rise buildings and sum up the following requirements: 1. When the number of high-rise buildings reaches 25, it is necessary to set up a refuge floor. 2. More than 25 floors of buildings are usually divided into several equal parts by the refuge floor. From the ground floor to the refuge floor or between two shelters, generally no more than 15 floors. To China Resources Building, for example, points