受限空间作业程序与许可证

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 州与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 拱顶与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文字 4 Confined space permit Before anyone enters a confined space a written confined space permit must be completely filled out and signed off An example permit is attached but the site may use its own permit as long as it contains all the elements below 受限空间许可证 任何人进入受限空间之前 一份书面的受限空间许可证必须填写与签署完毕 附件是一份许可 证的样本 但现场可以使用自己的许可证 只要包含以下所有的元素 a Clean out and ventilation of the confined space 受限空间的清理与通风 b Blinding disconnection or lock out of all pipes tubing and pumps connected to the confined space 堵塞 断开或锁闭所有的与受限空间相连的管线 管道与泵 c Removal of electrical leads from agitators 移除搅拌器上的电源导线 d Identification of all the chemicals cleaned out of the confined space or contained within lines connected to the confined space along with their hazards 识别所有的化学品的危害 清理到受限空间之外的或在与受限空间连接的管线上的 e Testing using meters equipped with pumps of the air inside the top middle and bottom of the confined space for 测试 使用装配泵的仪器 受限空间内的顶部 中部与底部的空气 i Oxygen content normally 20 8 must be 19 5 and 23 5 氧气含量 正常的 20 8 必须大于 19 5 且小于 23 5 ii Lower explosive limit LEL normally 0 must be 10 爆炸下限 LEL 正常的 0 必须小于 10 iii Toxics normally 0 ppm must be less than the safe levels for each chemical 有毒物质浓度 正常 0ppm 必须在每种化学品的安全标准限值以下 f Prior confined space training of the entrants 进入受限空间之前培训进入者 g Tie off of the entrants to a solid object or hoist preferred outside the confined space using a full body harness and lifeline 使用全束式安全带与生命线将进入者绑到牢固的物体或进入者受限空间外面的吊挂物 优先的 上 h List of all personal protective equipment that must be used by the entrants including hard hats if the entry is being made at the top of the confined space 进入者必须使用的个人防护装备的清单 如果是从受限空间顶部进入的要包括安全帽 i Tight fitting respirators are required if there is any solid or liquid residue in the confined space 如果受限空间内存在固体的或液体的沉淀物要求佩戴密合式的呼吸器 i A trained watcher continuously present during the entry 经过培训的监护人在进入过程中要始终在场 j Identification and briefing of a trained on site confined space rescue team CSRT which can consist of trained contractors 经过培训的在场的受限空间营救队伍 CSRT 鉴定与简短报告 可以由经过培训的承包商组成 k Means e g radio horn etc for the watcher to immediately summon the CSRT 监护人立即召唤受限空间营救队伍 CSRT 的方式 如收音机 喇叭 等 l Placement of supplied air respirators near the confined space for use by the CSRT along with extra full body harnesses and lifelines 受限空间附近放置提供的空气呼吸器是给受限空间营救队伍 CSRT 使用的 与其他的全身式安全带与生命线一 起使用 m Identification of all additional safety measures such as continuous or repeat air monitoring or continuous ventilation 辨识所有的额外的安全措施 如持续不断的空间监测或持续不断的通风 i Continuous or repeat air monitoring is required if any air monitoring reading is not normal 如果空气监测读书不正常 要持续不断或重复进行气体监测 ii Continuous ventilation is required during welding 焊接过程中要求持续不断地通风 n Signatures of the entrants watcher and members of the CSRT acknowledging they have read and understand the permit and are satisfied with all safety precautions 进入者 监护人与受限空间营救队伍人员签名确认他们已经阅读与理解了许可证并且对所有的安全预防措施都感 到满意 5 Entrants will 进入者要 a Receive initial and annual refresher training on the confined space entry program 接受初始与每年的受限空间进入程序的培训 b Immediately leave the confined space if any symptoms of overexposure are detected or if any meter readings depart from unsafe levels 立即离开受限空间如果发现有过度暴露的症状或仪器读数与安全标准不相符 c Maintain frequent communication with the watcher to let him know everything is OK 与监护人保持频繁的联系 使其知道一切都正常 d Immediately leave the confined space if ordered to do so by the watcher 立即离开受限空间 如果监护人命令这么做的话 6 Watcher will 监护人要 a Receive initial and annual refresher training on the confined space entry program 接受初始与每年的受限空间进入程序的培训 b Never enter the confined space at any time even if the entrants require rescue 任何时候从不进入受限空间 即使进入者要求营救 c Perform no duties except continuously observing the entrants from outside the space 除了从进入者在受限空间之外开始持续不断观测外 不执行其他工作职责 d Immediately order the entrants to exit the confined space if any symptoms of overexposure are detected any meter readings depart from safe levels the entrants fail to communicate with him or he must stop performing his watcher duties 如果发现任何的过度暴露的症状 仪器读数与安全标准不相符 进入者无法联系上或他必须停止执行其监护职责 要立即通知进入人员从受限空间出来 e Immediately summon the CSRT and medical responders if the entrants are non responsive or he determines that the entrants may need assistance to escape from confined space hazards 如果进入者失去反应或他确定进入者可能需要协助以逃离受限空间的危险 立即召唤受限空间营救队伍与医疗响 应 f After summoning the CSRT immediately attempt to hoist the entrants out of the space with their lifelines if safe to do so 召唤受限空间营救队伍之后 如果安全的话立即尝试用生命线提升进入者出受限空间 7 Entry supervisor will 出入口监督人员要 a Receive initial and annual refresher training on the confined space entry program 接受过初始的与每年的受限空间进入程序的培训 b Know the hazards that may be faced during entry 知道在进入过程中可能要面对的危险 c Verify by checking that the appropriate entries have been made on the permit that all tests specified by the permit have been conducted and that all procedures and equipment specified by the permit are in place before endorsing the permit and allowing entry to begin 核实 在签署许可证并允许开始进入之前通过检查许可证上适当的进入措施已经完成 且所有的许可证上的特定 测试已经实施 所有的许可证上的特定的规程与设备都到位 d Verify that a CSRT is available on site and that the means for summoning them are operable 核实受限空间营救队伍在现场且可用 召唤他们的方式可操作 8 CSRT members will 受限空间营救队伍成员要 a Receive initial and annual training on how to safely retrieve entrants from a confined space 接受初始的与每年的如何安全地从受限空间搜救进入者的培训 b Immediately respond to a rescue summons 对救援召唤立即作出响应 c Never perform a confined space rescue without first donning a full body harness and supplied air respirator and tying off to a lifeline connected to a solid object or hoist outside the confined space 没有首先穿上全束式安全带 提供空气呼吸器 并系上生命线且连接到受限空间外的牢固的物件或吊挂物上 永 远不要执行受限空间营救 Robert J Leonard David G Wagner Director Corporate EHS Vice President of Human Resources ATTACHMENT EXAMPLE OF CONFINED SPACE ENTRY PERMIT Identify the permit space to be entered State the purpose of the entry Date Time Authorized duration of the entry permit in hours 1 shift max Describe all the hazards including chemicals of the permit space to be entered Describe the measures used to isolate the permit space blinding disconnection or lock out Describe the measures to eliminate or control permit space hazards before entry including the lockout disconnection agitator electrical leads must be disconnected or blinding of attached equipment and lines hot work permits and procedures for purging inerting ventilating and flushing permit spaces Air Monitoring in order shown HazardNormal Reading Acceptable Reading Pre Entry Reading InitialsTime1st Entry Reading InitialsTime2nd Entry Reading Initials Oxygen Content20 8 19 5 23 5 Flammable LEL 0 Less than 10 Toxic Chemicals Specify 0 ppm TLV Specify ppm Describe the means for summoning the Confined Space Rescue Team Describe the communication procedures used by entrants and watcher to maintain contact during the entry List all the equipment such as personal protective equipment tight fitting respirator mandatory if any solid or liquid residue is in the space continuous or repeat air monitoring mandatory if any reading not normal ventilation mandatory during welding communications equipment alarm systems and rescue equipment mandatory full body harness retrieval line attached to retrieval device or outside fixed point and supplied air respirators to be provided for the entry List any additional permits such as for hot work issued to authorize work in the permit space Additional readings problems comments etc Authorization Signatures for the Confined Space EntrantDate Trained EntrantDate Trained WatcherDate TrainedWatcherDate Trained CSRT MemberDate Trained CSRT MemberDate Trained CSRT MemberDate Trained CSRT MemberDate Trained Entry Supervisor Start Date Trained Entry Supervisor Close Date Trained By signing