检修安全措施？ excavation 挖掘工作 work that involves a man made cut, cavity, trench or depression in the soil cannot proceed unless: 削砍，挖洞，开凿渠道或在地下做窒气等工作是被禁止的，除非： • a hazard assessment of the work location is completed by a competent person 有潜藏性危险的工作地点有相关负责人全权负责 • all underground hazards i.e. pipelines, electrical cables etc.have been identified, located and if necessary isolated 所有带有危险的地下设备如地下管道，电缆等均被确认，定位安装和必要隔离 • a valid permit to work is obtained where persons are to enter the excavation: 一项标准的工作许可应该指明工作人员挖掘的入口 • a confined space entry permit must be issued where applicable 一份受限空间的许可必须标明应用的地方 • ground movement must be controlled and collapse prevented by systematically shoring,sloping,benching etc. as appropriate 地下工作必须被监控，并且要备有系统的带有柱 支撑的斜台以防倒塌 • ground and environmental conditions must be continuously monitored for change 地面和环境条件必须持续地监控查看更多
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