文档介绍：地下室相关规范
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the 火规范》GB 50098 的有关规定外，其两侧的墙应为实体防火墙，且在局部连通处的墙上应分别设置火灾时能自行关闭的常开式甲级防火门；
4）防烟楼梯间。该防烟楼梯间及前室的门应为火灾时能自行关闭的常开式甲级防火门。
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
民用建筑的安全出口应分散布置。每个防火分区、一个防火分区的每个楼层，其相邻2 个安全出口最近边缘之间的水平距离不应小于5m。
公共建筑内的每个防火分区、一个防火分区内的每个楼层，其安全出口的数量应经计算确定，且不应少于2 个。当符合下列条件之一时，可设一个安全出口或疏散楼梯：
1 除托儿所、幼儿园外，建筑面积小于等于200m2 且人数不超过50 人的单层公共建筑；
2 除医院、疗养院、老年人建筑及托儿所、幼儿园的儿童用房和儿童游乐厅等儿童活动场所等外， 规定的2、3 层公共建筑。
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water source