9. Space occupied by berths and lockers, chests of drawers and seats shall be
included in the measurement of the floor area. Small or irregularly shaped
spaces which do not add effectively to the space available for free movement
and cannot be used for installing furniture shall be excluded.
非常抱歉误导楼主,刚查了ILO133,家具,床铺所占面积应该记入floor area来计算人均面积。厕所面积规范里面没有提到,个人认为应该记入总面积。
另外提醒大家,回复之前应查找规范,不应靠记忆回答,总有记错的时候。汗颜!