检修安全措施？ entry into any confined space is not permitted unless: 进入任何的受限空间必须： • all other options have been reviewed and ruled out 所有其它的选择经斟酌均被否定 • a confined space entry permit has been issued 有上级下发的允许进入受限空间的许可 • a confined space risk assessment has been carried out 要备有一份受限空间的风险评估 • appropriate ppe is used 要使用适当的ppe • the confined space is isolated 受限空间是隔离的 • the atmosphere has been tested for oxygen content, flammability and toxicity 空气的含氧量，可燃性和含毒成分必须经过测定 • the tests are verified by continuous monitoring or repeated as often as defined by the risk assessment 通过风险评估来确定测试的连续性或重复性 • stand by personnel are stationed nearby with a proper means of communication 监护人要由工作人员设置在尽可能通讯较方便的地方 • unauthorised entry is prevented 禁止未受权的进入 • rescue plans and equipment are in place 要有适当的营救计划和设备查看更多
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