ICS35.240 CCSL70DB4403 深圳市地方标准 DB4403/T414—2023 多功能智能杆系统接地与防雷技术规范 Technicalspecificationforearthingandlightningprotectionof multi-functionintelligentpolesystem 2023-12-19发布 2024-01-01实施 深圳市市场监督管理局 发布 DB4403/T414—2023 I目  次 前言................................................................................III 1范围...............................................................................1 2规范性引用文件.....................................................................1 3术语和定义.........................................................................1 4雷电防护等级划分...................................................................2 4.1防雷分类.......................................................................2 4.2一级防雷.......................................................................2 4.3二级防雷.......................................................................2 5设计要求...........................................................................2 5.1一般要求.......................................................................2 5.2系统组成及防护措施.............................................................3 5.3直击雷防护要求.................................................................5 5.4屏蔽及等电位连接...............................................................6 5.5雷击过电压防护防雷装置监测系统要求.............................................8 5.6防雷装置监测系统要求..........................................................12 6施工与安装要求....................................................................13 6.1一般要求......................................................................13 6.2接地装置施工要求..............................................................13 6.3接地引入线及接地排施工........................................................14 6.4接闪器和引下线施工............................................................14 6.5等电位连接施工................................................................14 6.6电涌保护器的安装..............................................................15 7检测与验收要求....................................................................15 7.1一般要求......................................................................15 7.2防雷系统检验流程..............................................................15 7.3文件检查......................................................................15 7.4接地装置检测..................................................................16 7.5接闪器检查....................................................................16 7.6引下线检查....................................................................16 7.7等电位连接及屏蔽检查..........................................................16 7.8雷电过电压防护检验............................................................16 7.9防雷装置监测系统的检查........................................................17 7.10验收.........................................................................17 8管理与维护要求....................................................................17 8.1一般要求......................................................................17