第1页共27页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共27页生化水池维修专项施工方案编制:审核:批准:2019年4月5日目录1.工程概况..........................................................................................................................32.编制依据..........................................................................................................................53.试用范围..........................................................................................................................64.作业简况..........................................................................................................................65.施工流程..........................................................................................................................85-1.排水/关闭曝气..........................................................................................................8第2页共27页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共27页5-2.水池加水稀释...........................................................................................................95-3.强制通风...................................................................................................................95-4.机具材料就位.........................................................................................................105-5.设置三级电箱.........................................................................................................115-6.设置警示区域.........................................................................................................115-7.人员安全技术交底.................................................................................................125-8.佩戴防护用品.........................................................................................................125-9.进入水池,确认施工环境.....................................................................................125-10.拆除损坏格栅.....................................................................................................135-11.安装新不锈钢格栅.............................................................................................135-12.格栅固定/连接....................................................................................................135-13.整理整顿.............................................................................................................146.危险源辨识....................................................................................................................147.安全措施........................................................................................................................157-1.安全作业措施.........................................................................................................157-1-1.置换水质.........................................................................................................157-1-2.机械强制通风..................................................................................................157-1-3.气体检测合格..................................................................................................157-1-4.有限空间作业许可证开具..............................................................................167-1-5.区域管...