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发表于 2014-1-11 14:47
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来自： 中国香港
FSS Code 2002 / CHAPTER 13 / 3
Stairways and corridors used as means of escape shall be not less than 700 mm in clear width and shall have a handrail on one side. Stairways and corridors with a clear width of 1,800 mm and over shall have handrails on both sides. "Clear width" is considered the distance between the handrail and the bulkhead on the other side or between the handrails. The angle of inclination of stairways should be, in general, 45° but not greater than 50° and in machinery spaces and small spaces not more than 60° Doorways which give access to a stairway shall be of the same size as the stairway. |
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