文档介绍：建筑设计防火规范关于防排烟的有关规定
of rural drinking water sources, protection of drinking water sources in rural areas by the 开敞空间的设置应能防止相邻区域的火灾蔓延和便于疏散；
2）防火隔间。该防火隔间的墙应为实体防火墙，在隔间的相邻区域分别设置火灾时能自行关闭的常开式甲级防火门；
3）避难走道。该避难走道除应符合现行国家标准《人民防空
3.
工程设计防火规范》GB50098的有关规定外，其两侧的防火墙应为实体防火墙，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；
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
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。
、录像厅、夜总会、放映厅、卡拉OK厅、（含具有卡拉OK功能的餐厅）、游艺厅（含电子游艺厅）、桑拿浴室（不包括洗浴部分）、网吧等歌舞娱乐放映游艺场所，宜设置在一、二级耐火等级建筑内的首层、二层或三层的靠外墙部位，不宜布置在袋形走道的两侧或尽端。
九. 歌舞厅、录像厅、夜总会、放映厅、卡拉OK厅、（含具有卡拉OK功能的餐厅）、游艺厅（含电子游艺厅）、桑拿浴室（不包括洗浴部分）、网吧等歌舞娱乐放映游艺场所必须布置在袋形走道的两侧或尽端时，最远房间的疏散门至最近安全出口的距离不应大于9m。当必须布置在建筑物内首层、二层或三层以外的其他楼层时，尚应符合下列规定：
1 不应布置在地下二层及二层以下。当布置在地下一层时，地下一层地面与室外出入口地坪的高差不应大于10m；
2 一个厅、室的建筑面积不应大于200㎡，，厅、室的疏散门应设置乙级防火门；。 4.
防烟与排烟
一般规定：
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