南方电网 配网工程 82-PDFTJ-17防雷与接地作业指导书-2012-.docx

第8部分：配网工程防雷与接地作业指导书编码：PDFTJ-17目次1适用范围······················································································································································6232编写依据······················································································································································6233作业流程图··················································································································································6234安全风险辨析与预控··································································································································6235作业准备························································································································································136作业方法··························································································································································67质量控制措施及检验标准······························································································································91适用范围本节适用于35kV及以下配网工程配电房防雷、防雷接地、保护接地、工作接地、重复接地及综合接地装置安装。2编写依据表2编写依据序号引用资料名称1GB50057—2010《建筑物防雷设计规范》2GB50169—2006《电气装置安装工程接地装置施工及验收规范》3Q/CSG11105—2008《南方电网工程施工工艺控制规范》4《中国南方电网有限责任公司基建工程质量控制作业标准（WHS）》3作业流程图图3作业流程图4安全风险辨析与预控4.1防雷与接地作业前，施工项目部根据该项目作业任务、施工条件，参照《电网建设施工安全基准风险指南》（下简称《指南》）开展针对性安全风险评估工作，形成该任务的风险分析表。4.2按《指南》中与防雷与接地作业相关联的《电网建设安全施工作业票》（编码：PDFTJ-17-01/01），结合现场实际情况进行差异化分析，确定风险等级，现场技术员填写安全施工作业票，安全员审核，施工负责人签发。4.3施工负责人核对风险控制措施，并在日站班会上对全体作业人员进行安全交底，接受交底的作业人员负责将安全措施落实到各作业任务和步骤中。4.4安全施工作业票由施工负责人现场持有，工作内容、地点不变时可连续使用10天，超过10天须重新办理作业票，在工作完成后上交项目部保存备查。表4.1作业任务安全基准风险指南序号危害名称风险种类风险等级风险控制措施1前后作业人员间距不足碰撞打击低风险挖接地沟槽要有专人负责，同时作业人员要保持3m以上距离，打接地极时要将大锤头固定牢，严防锤头脱落或将大锤甩出，打锤正方不可有人2作业地网，避雷带、针，电缆线破损或漏电触电灼（烫）伤高风险接地带、接地极、防雷带、针焊接时，要由专业焊工作业，作业时必须穿绝缘胶鞋、戴电焊手套，穿干爽的作业服，接地沟潮湿处要垫干燥木板，焊接点要清除残土，保持足够的作业空间接地体焊3接地体埋设深度不够触电高风险接地体埋设深度严格按照设计要求施工4未弄清地下管线分布情况下就打入垂直接地体设备破损高风险打地极前，应现场勘探查明地下管线情况，确认打入点5打入垂直接地体作业人员站位不正确打击可接受的风险1.打锤人应