DBXX 北 京 市 地 方 标 准 自然排烟系统 设计、施工及验收规范 Code for Design, Installation and Approval of Natural Ventilation System （送审稿） 2 0 0 5 －××－××发布 2 0 0 5 －××－××实施 自然排烟系统设计、施工及验收规范 目录 1 . 总则 ........................................................................................................................... 3 2 ．术语、符号 ................................................................................................................ 3 2 .1 术语 ........................................................................................................................ 3 2 .2 符号 ........................................................................................................................ 4 3 . 系统设计 ..................................................................................................................... 5 3 .1 一般规定 ................................................................................................................ 5 3 .2 设计要求 ................................................................................................................ 5 3 .3 设计计算 ................................................................................................................ 7 4 . 系统主要组件 ............................................................................................................. 7 4 .1 自动排烟窗 ............................................................................................................ 7 4 .2 挡烟垂帘 ................................................................................................................ 8 5 . 系统施工与安装 ......................................................................................................... 9 6 . 系统运转与调试 ...........................................................................................
