受限空间作业程序及许可证.docx

Confined Spaces 受限空间 1. Scope 范围 a. This standard applies to all confined spaces as defined below. It is important that all II-VI facilities world-wide take certain minimum precautions to prevent confined space accidents that can result in serious or fatal injuries. 这份标准适用于所有以下定义的受限空间。世界范围内所有的II-VI工厂采取一定的最低的预防措施防止能导致严重或致命伤害的受限空间事故是很重要的。 b. This II-VI Incorporated standard specifies the corporate minimum acceptable performance level, does not restrict the facility or business unit from adopting stricter standards, and does not relieve the facility of its requirement to comply with all applicable local, state and national governmental regulations. 这份II-VI公司标准规定了企业的最低可接受的绩效水平，并不限制工厂或商业组织采用更加严格的标准，也并不免除其遵守所有适用的当地，州和国家政府法规的要求。 2. Definition. A confined space is a space that: 定义。受限空间是这样的空间： a. Is large enough and so configured that a person can bodily enter and perform assigned work; and 空间足够大且结构设计为能够使员工身体进入并能进行指派工作;并且 b. Has limited or restricted means for entry or exit (for example, tanks, vessels, silos, storage bins, hoppers, vaults, and pits are spaces that may have limited means of entry.); and 具有进入或离开限定或限制（例如：罐、容器、料仓、储仓、进料斗、拱顶和地坑即具有进入限制的空间）；且 c. Is not designed for continuous occupancy; and 不能为员工连续占用；且 d. Has one or more of the following characteristics: 有以下一条或更多的特征： i. Contains or has a potential to contain a hazardous atmosphere; or 含有或有可能含有有害空气，或 ii. Contains a material that has the potential for engulfing an entrant; or 包含有可能吞没进入者的物质；或 iii. Has an internal configuration such that an entrant could be trapped or asphyxiated by inwardly converging walls or by a floor which slopes downward and tapers to a smaller cross-section; or 具有因向内会聚的墙壁或向下方倾斜并逐渐减小为更小横截面的地面从而使进入者受困其中或发生窒息的内部构造；或者 iv. Contains any other recognized serious safety or health hazard. 含有任何其它公认的严重的安全或健康危险。 3. Labelling. All confined spaces will be labelled with DANGER -- PERMIT-REQUIRED CONFINED SPACE, DO NOT ENTER or other similar language 标识。所有的受限空间要有标着危险的标签--许可证-进入受限空间的要求，不要进入或其他类似的