009- 焊接切割打磨作业Welding,cutting and polishing operationJHA.doc

Shell STC projectShell (shanghai) R&D Center Project壳牌（上海）技术有限公司研发中心项目Welding, Cutting and Polishing Assignment (JHA)焊接、切割、打磨施工作业(JHA) No.：Qian-009 Welding, cutting and polishing/operational risk analysis编号：启安-009 焊接、切割和打磨/工作危险分析No.序号Construction activities 施工活动Potential risk潜在危险Main consequences主要后果Risk grade风险分级Actual control measures具体控制措施1Personnel training人员培训Without safety training未经安全培训Wrong information lead to human injury错误信息导致人员伤害P3The welder should be responsible for welding procedure and equipment maintenance, applying for safety training to understand the safety procedures and rules, correctly wear the personal PPE, entering into the designated construction area with personal badge；the employees should be taken safety training when need to work at height, the welder should work with certificate, safety harness must be hooked by 100% when working at height to ensure the personal safety. Electric welder and fire supervisor should take the professional course of hot-work training焊接工作和设备维护应由焊工负责，焊工入场前进行安全培训，熟悉安全程序和规定，正确佩戴个人PPE，持本人胸卡进出指定厂区；所有登高作业人员，还应接受高处作业安全培训，焊工应持证上岗，高处作业时必须100%系挂安全带，防止高空坠落。电焊工和监护人员必须经过动火作业专项培训。Without education未经教育Fluke mind lead to accident侥幸心理导致事故发生P3The welder took the safety training from management company, holding on early education and safety disclosure to deepen the impression of risk identification and control method, correctly wear safety belt when working at height, do not make illegal operation, prohibiting to go into the work site without getting the training from management company, otherwise, the fluke mind would be lead to the accident. 焊工经过管理公司专业安全培训，上岗前经过早班会教育和安全交底，加深对作业现场风险识别和控制办法的印象，高处作业正确使用安全带，不违章作业，未经管理公司培训的人员禁止入场，否则，可能因侥幸心理而违章作业造成事故的发生。2Equipment acceptance设备验收Without equipment acceptance未经验收的设备Electric shock, fire disaster触电 火灾P1All electric installation should be finished by professional electrician(with certificate),adopting TN-S system for temporary electricity on site, using qualified distribution box and electric welding machine(electric welding machine should have second low voltage protection);the distribution box should be the waterproof type(including socket and plug),the cable will be in perfect condition, and also make effective overhead ;ensuring the touch point of the power for electric welding machine is insulated and no damage .Oxygen cylinder and acetylene gas bottle should pass acceptance inspection, making sure that there are safety back-fire arrangement and fixed measures, also making sun protection in summer, checking and recording them everyday.所有电气安装必须由持证的电工负责完成，现场临时用电按照TN-S系统，使用验收合格的配电箱和电焊机（电焊机必须有二次空载低压保护）；配电箱必须是防水型（包括插座、插头），电缆线必须完好无损，并有效架高；电焊机的电源接触部分必须确保绝缘，无破损裸露现象。氧气瓶乙炔气瓶必须验收合格，确认有安全回火装置和固定措施，夏天高温季节还应做好防晒装置，每日检查并做好记录。3申请许可证Applying for permit无证作业Unlicensed operationElectric shock, fire disaster触电 火灾P1Applying welding(including cutting and polishing) permit before the hot working everyday, setting the accepted hot working permit in operating area; otherwise, it may lead to fire disaster to give rise to property loss and human injury when doing the hot work without the permit; Do not make the hot working without approving,otherwise, the violator will be punished by management company.每日动火前，必须申请焊接（包括切割打磨）作业许可证，得到批准的动火作业许可证放置现场；无证进行动火作业，可能导致火灾事故发生，造成财产损失和人员伤害；未经批准，禁止动火作业，否则，当事人将受到管理公司的严重处罚。无监护人No guardianElectric shock, fire disaster触电 火灾P1During the hot working, should train a qualified fire supervisor and set warning fence around the construction area, prohibit non-staff entering into how working area, the supervisor is in charge of making sure that no inflammable materials and be equipped fire extinguisher in operation area ;fixed a fire resisting shield for hot point, the welding electrode should be put into professional barrel, taking away the welding rod from electrode holder in time when suspend hot working. Shutting off the power firstly when stopping the hot work , the supervisor would leave the site after half an hour when making sure that no fire disaster.动火作业时，应确定培训合格的动火监护人，作业区域警示带围护，禁止无关人员进入动火区域，监护人负责确认施工现场无易燃物品，确认配备合格的灭火器；动火点应设置专用的遮弧罩，电焊条放置专业筒内；动火作业暂停时，必须及时取掉焊钳上的焊条。停止动火作业首先关闭电源，监护人确认半小时后无火灾因素方可离开，防止火灾发生，Without cleaning inflammable goods未清理易燃物品Fire disaster火灾P1Making sure that whether has inflammable goods on site or not before the hot working, if yes, should clean away the inflammable goods firstly, and then, can go on with the welding process . Meanwhile, Oxygen and acetylene bottles shall be stored separately. Oxygen and acetylene bottles must be stored at least 6.0 meters apart as a minimum and 10 meters away from flame in the site, erecting and tie up tightly. Be allocated with fire fighting appliance and fire supervisor.在动火作业进行前，必须确认现场无易燃易爆物品，如果有，必须经清理后方可进行焊接作业。同时，现场氧气瓶与乙炔气瓶之间应保持至少6米的间距，并与动火点保持10米以外，并且应直立和绑扎牢固。配备灭火器具，监火员。 No extinguisher无灭火器Fire disaster火灾P2Be equipped with effective fire extinguisher in fire site, the extinguisher should be kept within 5m, and need to check them everyday; Cleaning away the unqualified extinguisher.在动火现场应配置有效的灭火器，灭火器有效放置在5米以内，每日检查；不合格的灭火器应及时清出现场。Unqualified welding equipment 焊接设备不合格Electric shock触电P1The electric welding machine should make site acceptance , and be equipped with second load low voltage protection, making a label for the qualified machines and inspect them everyday; the cable do not have breakage, and should make effective overhead, all electrical installation should be finished by professional electrician, shutting off the power when finished the job.电焊机必须验收进场，电焊机必须配备二次空载低压保护，验收合格的电焊机贴标使用，每日检查；电缆不得有裸露破损现象，电缆必须有效架高，所有电气安装应由专业电工负责完成，工作完成及时关闭电源。Lacking measures措施不到位Electric shock, fire disaster触电 火灾P1Using the qualified distribution box and electric welding machine, the cable should keep effective overhead, making insulated protection for cable for the part of high hook, prohibit to use damaged cable; setting the qualified extinguisher, cleaning away the inflammable goods in hot work area, and making warning fence and finished product protection; Shutting off the power firstly when stopping the hot work , the supervisor would leave the site after half an hour when making sure that no fire disaster.使用验收合格的配电箱和电焊机，电缆有效架高，电缆在接触高处挂钩部分应用绝缘保护，禁止使用破损裸露的电缆；放置合格的灭火器，动火区域清理易燃物品，做好警示围护；做好成品保护；停止动火作业首先关闭电源，监护人确认半小时后无火灾因素方可离开，防止火灾发生，5Protection measures保护措施No PPE无劳防用品Human injury人员伤害P2During the welding operation, the work should be finished by the qualified welder, the operator should wear the qualified PPE and welding suit, correctly wearing fixed welding mask and arc-welders gloves. The supervisor should track and monitor on site to control the rate of fire accident and illegal electric power usage. Shutting off the power in time when finished the welding operation or making the temporary stopping. Meanwhile, the operator should wear the qualified protective mask, gloves and ear plug during the cutting and polishing. Setting the qualified extinguisher, making safety supervision to prevent fire disaster. Using the brazier for electric welding, cutting, polishing during the working at heights.在进行焊接作业时，应由资质的电焊工负责完成，作业人员必须严格穿戴合格的PPE和焊工服，戴好固定式焊接面罩和电焊手套。监护人必须在现场，跟踪监督，控制火灾发生和违章用电。焊接作业结束或临时停止，及时关闭电源。同时，在进行切割打磨作业时，操作人员必须佩戴合格的防护面罩和防护手套，配戴耳塞。放置合格的灭火器，做好安全监护，防止火灾发生。高空进行电焊、切割、打磨作业必须使用接火盆6Civilized construction文明施工Tripping over, object falling人员绊倒，坠物Human injury人员伤害P2Making sure that the materials at height should be stable and reliable and tie up tightly, do not allow overload stacking. Also do not allow the staff to work on the materials; as for all operating decks and passageways are banned from stacking; setting qualified extinguisher and making safety supervision to prevent trip over and fire disaster; Using the qualified distribution box and electric welding machine, the cable should keep effective overhead and check them everyday to assure safe usage.在高处堆放的材料必须确保稳定可靠，绑