ICS13.220.10C84DB21辽宁省地方标准 DB21/T 2755—2017 城市轨道交通车辆火灾自动报警 和细水雾灭火系统技术规程 Technical Regulations of Automatic Fire Alarm & Water Mist Fire Extinguishing System for Urban Rail Transit Vehicle 2017-02-23 发布 2017-03-23实施 辽宁省质量技术监督局发布DB21/T2755—2017目次前 言 ..............................................................................I1范围2规范性引用文件3术语和定义4一般要求.............................................................................1..................................................................1.......................................................................11.........................................................................4.1环境条件4.2外观要求............................................................................................................................................125火灾自动报警系统.............................................................25.1一般规定......................................................................25.2系统设备的选择................................................................................................................................25.3系统的设计要求25.4系统的安装和调试6细水雾灭火系统6.1一般规定6.2系统设计要求及水力计算6.3系统部件选择及要求6.4系统的安装和调试7验收7.1一般规定7.2验收内容7.3验收评定8维护管理附录A （规范性附录） 火灾自动报警和细水雾灭火系统试验..............................................................2..................................................................5......................................................................5........................................................5............................................................5.................................................