临时用电操作规程
1、电气设备的设置、安装、保护、使用和维护必须符合《施工临时用电规范》(JGJ46-2012)。
2、电工必须经过专业安全技术培训,考试合格,持有《特种作业操作证》,方可独立工作。严禁非电工从事电气工作。
3、电气工作时,必须穿绝缘鞋和手套,酒后不得操作。
4、所有绝缘和检测工具应妥善保管,严禁其他用途,并定期检查校准。
5、线路不得绑在金属脚手架或龙门架上,严禁随意拉拽;各类移动电源和外置自备电源不得接入电网。当灯具需要安装在金属脚手架和龙门架上时,必须用绝缘材料将线路和灯具与它们隔开,距离工作面的高度应在3m以上。
6、露天使用的电气设备应具有良好的防雨性能或可靠的防雨设施。配电箱必须牢固、完整、严密。使用时禁止在配电箱内放置杂物。
7、电气设备的金属外壳必须接地或归零。保护性中性线必须通过中性线接线板连接。
8、安装在建筑物或构筑物上的配电箱为固定配电箱,箱底与地面的垂直距离应大于1.3m且小于< @1.5m。移动配电箱不宜放在地上随意拖动,而应固定在支架上。箱底与地面的垂直距离应大于0.6m且小于1.5m。
9、每台电气设备都应有自己的专用开关箱,并必须实行“一机一箱一闸一漏”的制度。严禁同一开关直接控制两台或多台耗电设备。
10、渐进式漏电保护。安装在主配电箱和配电箱上的漏电保护开关的漏电流应为50-100mA,以保护电路;安装在开关盒内的漏电保护开关的漏电流应在30mA以下。
11、当接通开关并拆除临时电源线时,应将上部开关断电,锁上并贴安全警示牌。
12、临时电源线和设备应具有良好的绝缘性,所有临时电源线应使用耐压等级不低于500V的绝缘电线。
13、火灾、爆炸危险区域应使用相应防爆等级的电源和电器元件,并采取相应的防爆安全措施。
14、临时用电架空线采用绝缘铜芯线,架设在专用电杆或支架上。
15、埋地电缆应设置方向标志和安全标志。电缆埋深不小于0.7m,过马路时要架设保护套管。
16、临时用电时间一般不超过15天,特殊情况不超过1个月。用完电后,相关部门车间应及时通知维修组电工拆除临时用电线路。
起重作业的安全操作规程
1、 起重指挥员应由了解起重机械性能并持有操作证的技术人员培训合格。指挥时应站在能兼顾整体工作的地方,佩戴明显标志起重吊装作业安全培训试题,按GB5082规定的接触信号发出信号,准确、响亮、清晰。
2、 起重和装载操作员必须全神贯注。手术期间禁止吸烟、饮食、聊天、开玩笑和玩耍。他们应时刻注意起重机的转动、行走和重物。作业或起重动作结束后,起重、装载作业人员不得擅自离开工作岗位。
3、 信号量和手势信号明显准确,音频信号清晰响亮。上下信号紧密配合,下信号较少受上信号指挥。
4。信号指挥站位置合理,指挥动作应便于吊车司机看到;上下信号连接方便,起升、吊装、定位全过程始终清晰可见。
信号指挥站应有利于保护自身安全,不得站在易碰撞、难以躲避、易受意外伤害、不受保护的墙顶。
5、吊装现场设置安全警示牌,并派专人监督,非作业人员进入现场。
6。操作前检查设备。吊起离地20-30cm时,应停止吊钩检查。检查内容包括起重机的制动和稳定性、吊物捆绑的可靠性、吊索受力后的状态。如发现超载、钢丝绳扭曲、变形、钩挂不牢、吊索受力不均匀、吊点不当、吊物松动、不平衡、有漂浮物、钩挂等起吊问题等,应立即放下吊钩。治疗完成后,将其抬起。
7。悬挂物悬空后若出现异常,指挥员应迅速作出判断,紧急通知危险部位人员迅速撤离。指示悬挂物慢慢落下,排除危险后再提起。
8。吊装过程中突然停电或机械故障,不允许重物长时间悬空。指导重物慢慢下降到合适的稳定位置并垫好。
9。严禁悬挂物从人头上经过。需要越过障碍物或人头时,距离不小于50cm。
10。吊钩升起时,吊钩的最大高度应与吊臂顶部保持至少1m的距离。
11.悬挂物不易安放或重物易脱钩。必须使用卡环或专用安全吊索,以确保升降平稳。严禁使用吊钩起吊运输。
12.严禁悬挂物从居民、街道、有人居住的建筑物、高压线上方掠过和旋转。如有必要,吊装前应采取相应的有效措施。
13.坚决抵制违规操作指令,严格执行吊运作业安全操作规程,即:13.1被吊运物体的重量超过机械性能允许范围;
13.2 信号未知;
13.3 吊物下面有人;
13.4个人站在悬挂物上;
13.5 埋在地下;
13.6斜拉、斜拉、斜挂;
13.7 松散的物体没有系紧;
13.8 零、零散、无容器的小物件;
13.9 吊物重量不详,吊具不符合要求;
13.10 大雪、大雨、大雾、6级以上大风。
开创性工作的安全操作规程
1、破土施工前,现场人员必须对破土人员进行现场安全教育。
2、根据破土作业特点制定相应的安全技术措施,制定专项安全施工组织设计图纸。
3、操作前检查工具和现场支架是否牢固、完好,如有问题及时报告。
4、作业现场采取维护安全、防险、防火等措施;实行封闭管理。 ,
5、破土作业现场应设专人监督,监督人员不得从事其他活动,应坚守岗位。
6、如果工地可能对相邻建筑物、构筑物和特殊作业环境造成损害,必须采取安全防护措施。
7、在作业现场,采取措施控制和处理各种粉尘、废气、废水、固体物质、噪声、振动和环境污染。
8、动土前可能破坏道路、管道、电力、邮电通讯的;需要临时停电、停水或中断道路交通;从事爆破作业的,必须按规定办理申请和审批手续。
9、破土现场必须悬挂或张贴“禁止通行”、“注意安全”等安全警示牌。
10、开工前必须佩戴合适的劳动保护用品(如安全帽、安全带、防砸鞋等)。
11、作业人员应按规定顺序在沟(沟、坑)下作业,使用机械开挖时不要进入机械回转半径;深度大于2m时,应设置人员上下梯,确保人员快速进出设施;两名或多名工人同时挖土时,应相距2m以上,以防工具伤人。
12、施工完成后,应及时回填土石方,恢复地面设施。
动火作业规则
1、在禁火区内进行动火作业必须取得动火作业许可证吊车,并实施安全动火作业管理制度。
2、无火区划分
我公司储存区和制氢车间划分为无火区。
3、动火作业许可证的填写与审批
(一),固定热区火灾,由消防人员填写,并经单位领导批准。
(二),一级热区火灾由热火人填写,部门领导审核,安全管理部门领导批准。
(三),二等热区的火灾由消防员填写,并经部门领导批准。
(四),特殊动火作业,由动火作业人填写,部门领导审核,安全管理部会签,总经理批准方可施工。
4、分析人员应在动火前半小时内进行分析,并对分析数据的准确性负责。热分析和热工作之间的间隔不应超过 30 分钟。如果大型设备发生火灾,处理上中部。 以下部门进行监测分析。如果在较长的物料管道上发生火灾起重吊装作业安全培训试题|八种危险操作规程(纯干货),应将该区域完全隔离,以便进行分段分析。如果火灾情况发生变化,火灾负责人和审批人应要求分析人员重新取样分析。 4小时以上的动火作业,每天下午动火作业前应进行一次动火分析,分析通过后方可继续进行动火作业。
5、综合实验室负责分析,热分析合格标准:
5.1当被测气体或蒸气的爆炸下限大于等于4%时,被测浓度不大于0.5%(体积分数)
5.2当被测气体或蒸气的爆炸下限小于4%时,被测浓度不应大于0.2%(体积分数)
6、动火作业人员在获得批准的动火作业许可证后,方可按照动火作业许可证上注明的位置进行动火作业。在符合安全措施的情况下,动火作业人员有权拒绝进行动火作业。
7、动火作业时,乙炔瓶应直立放置,氧气瓶与乙炔瓶的距离不小于5m,氧气瓶、乙烯发生器与热点的距离应保持10m以上。氧气瓶严禁接触油类、高温和日晒。黑胶发生器不宜置于架空电线电缆下方,应置于空旷处。
8、如果火源附近发生大量气体或物质逸出,应立即扑灭源头,以免发生火灾和爆炸事故。
9、5级及以上风,禁止明火作业。因为生产确实需要热工,所以热工需要升级和管理。
10、除了动火作业管理制度外,还要执行工厂的相关安全规定。
11、作业完成后,应清理现场,不得有余火方可离开。
断路器安全操作规程
1、本制度适用于公司内部的断路器操作,明确了公司内部断路器操作的定义、人员职责、安全要求和《断路器安全操作证书》的办理程序.
2、断路作业是指在公司内部的主干道、支路、车间引道上进行施工、吊装、吊装等影响正常交通的作业。
3、断路器安全人员职责:
(一),断路器应用负责人
断路器应用负责人必须在断路器前到现场了解断路器的位置和周围情况,判断是否影响生产和安全,检查和完善断路器措施,并监督检查工作现场的安全。
(二),断路施工负责人
负责断路器操作的安全。断路器前,应详细了解断路器位置及周边情况,制定、落实安全措施,并向操作人员讲解安全注意事项。断路器操作完成后,组织现场清扫、检查。
(三), 审批人
负责对断路器操作单位的安全资质和安全生产条件进行审查,对断路器安全措施进行审查,对措施不当或不完善提出整改要求,对断路器操作现场的安全工作进行监督检查.
(四), 断路器操作员
断路器操作人员在领取《断路器安全操作证书》后,应逐项核对证书内容。如未落实安全措施,有权拒绝操作。
四、断路器的安全要求
(一),凡在公司内进行断路器操作的,必须申请《断路器安全操作证书》。
(二),熔断申请单位负责管理施工现场,审核施工单位的安全生产条件和资质等级,熔断申请单位必须设置明显的熔断标志断路器路口提醒过往车辆绕行路线。
(三),破土施工单位在公司道路上进行破土作业时,必须经有关部门对地下管线、电缆等进行确认后,取得《破土安全作业证》。断路施工单位进行吊装施工 断路作业时,必须取得《吊装安全作业证》,在断路过程中需要进行动火作业的断路施工单位还必须取得《吊装安全作业证》。 《高温消防安全操作证》。
(四),《断路器安全操作证书》经安全环保部门批准,批准后通知公司相关单位。
(五)、施工过程中,安全环保部门应不定期检查断路器施工现场,及时纠正存在的不安全因素。
(六),断路器操作人员在收到《断路器安全操作证书》并确认无误后,即可开始断路器操作。
(七),当道路被破坏时,施工单位负责在路口设置交通条,破坏路标。
(八)、道路施工前,施工单位负责在施工现场设置围栏和交通警示牌,夜间应挂红灯施工。
(九), 断路作业结束后,施工单位负责清理场地,拆除工地和路口的警示牌。申请断路的单位验收合格后,上报安全环保部,通知各单位恢复交通。
(十),《断路器安全操作证书》审批手续不齐全、安全措施未落实、操作环境不符合要求的,施工人员有权拒绝工作。
(10一). 断路器操作应严格按照《断路器安全操作证书》的内容进行,严禁涂改、出借、更改证书内容扩大经营范围。
(10二).未在《断路器安全操作证书》规定的时间内完成工作的,断路器申请单位应重新申请《断路器安全操作证书》。
五、《断路器安全操作证书》的办理
(一),《断路器安全操作证》由申请断路器操作的单位指定人员办理。
(二),申请断路作业的单位,由安环保部门领取《断路安全作业证》,逐项填写,交施工单位。
(三),建设单位收到后,填写建设单位应填写的内容,然后交出断路器申请单位。
(四),断路申请单位报安全环保部审批二手吊车,作为断路作业的依据。
(五),工作完成后,施工单位将及时清理现场进行验收。验收合格后,由安全部门、断路申请单位、施工每个单位都会保留一份档案。
高空作业操作规则
1、高空作业前,应系好安全带,穿防滑软底鞋,系紧袖口,着装得体; 2m以上高空作业人员必须定期体检。高空作业者不得高空作业。
2、高空作业前,检查行走和站立位置的脚手架,作业现场的栏杆或安全网,上下梯子,确认符合安全规定后再开始作业工作。
3、在作业过程中,如果需要架设脚手板,应在作业前架好。如工作需要临时拆除已搭好的脚手架或安全网,应在完工后及时恢复。
4、用于高空作业的材料应用绳索牢牢系住。小件材料应装在工具袋中吊起,放置在安全的地方,以防掉落伤人。严禁扔。
5、应该放置一个移动梯子。梯子应与地面成 60-70 度角。梯子底部应安装防滑装置。移动梯中间应有防止开口的装置。
6、应架设吊梯,其吊点及捆扎应牢固可靠。使用时应有人定期检查,发现异常及时处理。
7、如果需要站在移动梯子上进行操作起重吊装作业安全培训试题,距离梯子顶部不小于1m。禁止站在梯子的最高楼层。站立位置距离参考面应小于2m。
8、万向杆架上禁止攀爬,严禁使用吊车、起重斗等吊人。
9、严禁在尚未固定牢固的脚手架和不稳固的构筑物上行走和工作,以及在框架的扁平连杆和扁平构件上行走。前进的道路。
10、安全带应挂在操作者上方稳固的地方,移动作业时应脱下再系上。
11、施工区域风力达到6级(含6级)以上时,应停止高空吊装作业。
12、在容易断裂的工作台面工作时,应先搭好脚手板,在脚手板上工作。严禁直接踩踏工作台面。
13、将设置专人监督,操作人员不能在工作场所休息;
14.在彩钢板屋面、石棉瓦等轻质材料上作业时,应铺设牢固的脚手架进行固定,脚手架上应有防滑措施;
15、雨雪天作业应采取可靠的防滑防寒措施;
因作业需要临时拆除或变更安全防护设施时,批准作业的人员应统一采取相应的保护措施,作业后应立即恢复。
与其他作业交叉时,应按指定路线上下作业,不得垂直上下作业。如需垂直作业,应采取可靠的隔离措施。
设备维护程序
1、维护前的准备
1.1 开始设备维修作业前,应取得《设备维修安全操作证》。 《设备维修安全操作证明书》格式见附件。
1.2根据设备维修项目要求,制定设备维修计划,落实维修人员、维修机构、安全措施。
1.3 维修项目负责人必须按照维修计划的要求组织维修任务人员到维修现场,说明维修项目、任务、维修计划,落实维修安全措施。
1.4维修项目负责人全面负责维修安全工作,指定专人负责整个维修过程的安全工作。
1.5 高空作业、动火作业、破土动工、断路、吊装、挡盲板、进入设备等设备维护,必须按照HG 2301进行1、HG 23012、HG 23013、HG 23014、HG 23015、HG 23016、HG 23017申请相应的安全工作证.
1.6 设备的清洗、更换、交接由设备所在单位负责,设备清洗、更换后出具分析报告。维修项目负责人应与设备技术人员、工艺技术人员核对,确认设备、工艺处理、盲板抽堵等符合维修安全要求。
2、维修前的安全教育
2.1 维修前,必须对参与维修工作的人员进行安全教育。
2.2 安全教育内容
2.2.1 维修工作必须遵守的相关维修安全规章制度。
2.2.2 维修现场及维修过程中可能存在或发生的不安全因素及对策。
2.2.3 在维护操作过程中正确佩戴和使用个人防护设备和用品。
2.2.4 维修工作项目、任务、维修计划和维修安全措施。
3 维修前的安全检查及措施
3.1 应检查维修工作中使用的脚手架、起重机械、电焊器具、手持电动工具、扳手、管钳、锤子等工具和仪器。不得使用电器。
3.2 应采取可靠的断电措施,切断待修设备的电源,开机审查确认无电后,挂上安全标志电源开关上的“No Startup”并加锁。
3.3 维修作业中使用的气体防护设备、消防设备、通讯设备、照明设备等设备,应由专人检查,确保完好可靠,放置正确。
3.4 检修现场的梯子、栏杆、平台、铁篦、盖板等应进行检查,确保安全可靠。
3.5 对盲板一一检查维护,高压盲板需探伤后方可使用。
3.6 用于维修的移动电器必须配备漏电保护装置。
3.7 对于具有腐蚀性介质的维护场所,必须有冲洗水源。
3.8 维修场地的坑、井、洼地、沟渠、陡坡等处应填满或铺设与地面齐平的盖板,也可设置围栏和警示牌。设置好,晚上要设置红色警示灯。
3.9 易燃易爆物品、障碍物、油渍、冰雪、积水、废弃物等影响维修安全的杂物,应在维修现场进行清理。
3、10检查、清理和维修现场消防通道和交通通道,确保通道畅通。
3.11 需要夜间维护的工作场所应配备足够亮度的照明设备。
4 维护工作中的安全要求
4.1 参加维修工作的人员应穿戴劳动防护用品。
4.2各类维修工作人员应遵守该类安全技术操作规程的规定。
4.3 电气设备维修工作必须符合电气安全工作规定。
4.4 危化品生产、储存现场设备检修时,检修项目负责人应与值班班长联系。生产中出现异常情况或突然卸料,危及维修人员人身安全的,生产班长必须立即通知维修人员停止作业,迅速撤离工作场所。上述情况消除并确认安全后,维修项目负责人可通知维修人员重新进入工作现场。
4.5 It is strictly forbidden to alter or lend the "Safety Operation Certificate for Equipment Maintenance", change the operation content, expand the scope of operation or transfer the operation location.
4.6 If the approval procedures for the "Equipment Maintenance Safety Operation Certificate" are incomplete, the safety measures are not implemented, and the operating environment does not meet the safety requirements, the operator has the right to refuse the operation.
5 Safety requirements after inspection
5.1 The person in charge of the maintenance item shall, together with the relevant maintenance personnel, check whether the maintenance item is missing, and whether tools and materials are missing in the equipment.
5.2 The person in charge of the maintenance project shall, together with the equipment technicians and process technicians, check the blind plate extraction and blocking according to the production process requirements.
5.3 Safety facilities such as covers, grate boards, handrails, railings, and protective covers that have been removed due to maintenance needs to be restored to normal.
5.4 The tools and equipment used for maintenance should be removed, and the scaffolding, temporary power supply, and temporary lighting equipment should be removed in time.
5.5 The equipment, roof, and ground debris, rubbish, etc. should be cleaned up.
5.6 The maintenance unit, together with the unit where the equipment is located and relevant departments, conduct pressure and leak tests on the equipment, adjust safety valves, instruments and interlocking devices, and make records.
5.7 The maintenance unit, together with the unit where the equipment is located and relevant departments, will conduct individual and linkage test runs on the overhauled equipment, and accept the handover.
6 Management of "Equipment Maintenance Safety Operation Certificate"
6.1 The "Safety Operation Certificate for Equipment Maintenance" is managed by the factory's mobile department.
6.2 The unit where the equipment is located shall propose the safety measures for the equipment to be handed over, and fill in the relevant columns of the "Safety Operation Certificate for Equipment Maintenance".
6.3 The unit responsible for the maintenance project proposes construction safety measures and fills in the relevant columns of the "Safety Operation Certificate for Equipment Maintenance".
6.4 The unit where the equipment is located and the maintenance and construction unit shall review the "Equipment Maintenance Safety Operation Certificate" and fill in the review comments.
6.5 The factory equipment management department conducts the final review and approval of the "Equipment Maintenance Safety Operation Certificate".
6.6 The unit responsible for the maintenance project should keep a copy of the completed "equipment maintenance safety operation certificate" and hand it to the safety department and the unit where the equipment is located.
Safety Regulations for Blocking Blind Slabs
Scope of Purpose
Specifies the safety requirements for blind slabs, blind slab extraction and blocking operations and the management of the "Blind slab extraction and blocking safety operation certificate"
It is suitable for the blind plate extraction and blocking operation in the production area of the company.
based on preparation
"Safety Standardization Specifications for Hazardous Chemicals Practitioners", "Safety Regulations for Blind Slab Extraction and Blocking Operations in Plant Areas"
Responsibilities
The "Blind Slab Extraction and Blocking Safety Operation Certificate" shall be signed and signed by the head of the department, and approved by the Safety Section
"Blind Slab Pulling and Blocking Safety Operation Certificate" in triplicate, one for the operation department, one for the production workshop where the construction is located, and one for the safety management department
Working procedures
The material of the blind plate should be suitable, flat and smooth, and there should be no cracks and holes after inspection. The high-voltage blind plate should pass the flaw detection.
The diameter of the blind plate should be made according to the sealing surface of the pipe flange, and the thickness should be calculated according to the strength
The blind plate should have one or two handles for easy identification and extraction
According to the properties of the medium, pressure and temperature in the pipeline, the appropriate material should be selected for the blind plate gasket
Blind plate extraction and blocking operation must apply for the "Blind Plate Extraction and Blocking Safety Operation Certificate", and the blind plate extraction and blocking operation is not allowed without the certificate.
It is strictly forbidden to alter or lend the "Blind Slab Blocking Safety Operation Certificate"; when changing the content of the operation, expanding the scope of operation or transferring the operation part, the "Blind Slab Blocking Safety Operation Certificate" should be re-applied
If the approval procedures for the operation are incomplete, the safety measures are not implemented, and the operation environment does not meet the requirements, the operator has the right to refuse the operation
The production workshop shall be responsible for drawing the blind plate position map, numbering the blind plate, and the blind plate position map shall be archived by the production workshop.
Operators must take personal protection, and there should be a special person to supervise the operation, and the guardian must not leave the site before the end of the operation.
In places with complex operations and high risks, in addition to guardians, fire brigade, medical personnel, etc. should also be present. If the entire production system is involved, production dispatchers and relevant leaders of the safety office must be notified to be present.
When working in flammable and explosive places, operators should wear anti-static work clothes and work shoes, and no hot work should be done within 30 meters of the work site; explosion-proof lamps and explosion-proof tools should be used for work lighting, and it is forbidden to beat with iron. Pipelines, flanges, etc.
A high-altitude work permit shall be obtained in accordance with the provisions of the "Safety Regulations for High-altitude Work" for the operation of drawing and blocking blind slabs at heights.
It is strictly forbidden to carry out two or more blind plate extraction operations on the same pipeline at the same time.
When there are multiple blind panels, the construction leader shall command the operation in a unified manner according to the blind panel position map and blind panel number.
A sign shall be installed at each blind blind plate to indicate the location of the blind plate.
The production workshop is responsible for filling in the "Safety Operation Certificate for Blind Slab Extraction and Blocking", the location map of the blind slab, and safety measures.
When working, the pressure at the operating point should be reduced to normal pressure.
When carrying out blind plate extraction and blocking operations on pipelines and equipment with strong corrosive media, operators should take measures to prevent acid and alkali burns.
When the medium temperature is high and may cause burns, the operator should take anti-scalding measures.
Procedures for safe operation in confined spaces
1、According to the principle of inspection first, operation later, anyone who wants to enter a dangerous workplace in a confined space must measure the concentration of oxygen, harmful gas, flammable gas and dust in advance according to the actual situation, which is in line with safety requirements. only upon request can you enter. It is strictly forbidden to enter the workplace without accurately measuring the concentration of oxygen, harmful gases, flammable gases and dust.
2、Ensure air quality at hazardous job sites in confined spaces. The oxygen content should be above 18% and below 23.5%. The permissible concentrations of its harmful and toxic gases, flammable gases and dust must meet the safety requirements of national standards.
3、In the process of dangerous operations in limited spaces, ventilation should be strengthened, and the necessary number of measurements should be maintained during dangerous operations where the concentration of oxygen, harmful gases, flammable gases, and dust may change or continuous detection.
4、All electrical equipment used in the operation must comply with the relevant electrical safety technical operating regulations. Lighting should use safety miner's lamp or safety lamp below 36 volts, and hand-held power tools with over safe voltage must be equipped with leakage protectors as required.
5、When it is found that there may be harmful gas or flammable gas, the testing personnel should use equipment such as harmful gas detection instrument and flammable gas tester to conduct testing at the same time.
6、Inspectors should wear isolation respirators, and oxygen respirators are strictly prohibited;
7、In the work site where flammable gas or flammable dust exists, all testing instruments, electric tools, lighting fixtures, etc., must use explosion-proof type that meets the requirements of "Code for Design of Electrical Installations in Explosion and Fire Hazardous Environments" product.
8、For places where ventilation and ventilation measures cannot be adopted due to explosion-proof and anti-oxidation, or where it is difficult to adequately ventilate due to the restrictions of the operating environment, operators must be equipped with and use isolated breathing apparatus such as air respirators or hose masks protective equipment.
9、Operators should accurately count the number of people before entering and leaving the dangerous workplace with limited space.
10、 When entering a dangerous workplace in a limited space, operators and guardians should provide clear contact signals in advance.
11、 If the danger of oxygen deficiency in the workplace may affect the safety of personnel in the nearby workplaces, the relevant personnel in these workplaces should be promptly notified.
12、It is strictly forbidden for irrelevant personnel to enter the dangerous workplace in limited space, and warning signs should be set up in conspicuous places. 13、In dangerous workplaces with limited space, rescue appliances, such as breathing apparatus, ladders, ropes, and other necessary appliances and equipment, must be equipped to rescue workers in emergency situations.
14、When welding with carbon dioxide or helium in a closed container, ventilation must be performed during the operation to ensure that the air meets safety requirements.
15、When the operator is working in the closed equipment (such as storage tanks, boilers, etc.) connected to the pipeline, the valve must be closed tightly, the blind plate must be installed, and a sign prohibiting starting must be set up in a conspicuous place .
16、When the operator is working in the closed equipment, generally open the door or cover of the entrance and exit. If the equipment is connected with the pipeline that is pumping or has been under negative pressure, it is strictly forbidden to close the door or cover of the entrance and exit.封面。
17、When compressed air is carried out underground, the oxygen-deficient air should be prevented from leaking into the workplace. If there is anoxic air in the facilities connected to the workplace, it should be directly removed to prevent the oxygen-deficient air from entering the workplace. .
18、Operators should not bring items unrelated to the operation into the confined space; materials, tools and other items should not be thrown during operation; protective masks should not be taken off in toxic and oxygen-deficient environments; Oxygen or oxygen-enriched air should not be filled into confined spaces; gas cutting (welding) tools should be taken out when leaving confined spaces;
19、The difficult, labor-intensive, and long-time confined space operations should be rotated;
20、After the operation, the workshop where the restricted space is located and the operation department jointly inspect the inside and outside of the restricted space, and the restricted space can be closed only after confirming that there is no problem;
21、The maximum working time should not exceed 12 hours. If the time limit is exceeded under special circumstances, the extension procedure should be handled.