DB11/T1777—2020I目次前言..................................................................................................................................................................III1范围................................................................................................................................................................12规范性引用文件............................................................................................................................................13术语和定义....................................................................................................................................................14基本要求........................................................................................................................................................35土建工程........................................................................................................................................................35.1孔口....................................................................................................................................................35.2结构工程............................................................................................................................................45.3防水工程............................................................................................................................................65.4装修工程............................................................................................................................................76孔口防护设备................................................................................................................................................86.1防护密闭门、密闭门.........................................................................................................................86.2防爆波活门......................................................................................................................................106.3防护密闭封堵板...............................................................................................................................116.4挡窗板..............................................................................................................................................117暖通空调系统..............................................................................................................................................117.1油网滤尘器......................................................................................................................................117.2过滤吸收器......................................................................................................................................127.3自动排气活门..................................................................................................................................127.4密闭阀门..........................................................................................................................................137.5测压装置..........................................................................................................................................137.6通风机...............................................................
