受限空间作业安全风险分析（JSA）
LOGO LOGO
项目名称
Document No. HSE-JSA-004
centeringSL # SEQUENCE OF BASIC
JOB STEPS
POTENTIAL HAZARDS REQUIRED HAZARDS CONTROL
01?进入球罐内部进行焊
接、返修
Welding and repair inside
spherical tank ?高空坠落fall from height
高空坠物 objects fall from height
物体打击 object strike
缺氧 oxygen lack
高温high temperature
进入受限空间内前半小时打开引风
机，保证球内空气顺畅。
Keep the air flow half an hour
before entering limited space
进入受限空间前，要进行登记，做
好受限空间准入制度，在受限空间
牌上挂好胸卡，监护人做好氧含量
测试，方可进入受限空间。
Rigister and wear entering card ,
testing oxygen amount before
entering into limited space
避开气温高的时间进入受限空间
内。
Avoid enering into limited space
with high temperature
进入球罐内进行受限空间作业前正
确佩戴好劳保用品方可进入。
Wear protective appliances before
entering into restricted space
每个进入受限空间作业者在作业时候，相互了解、告知。
Each operator entering into restricted space notify and get to know each other’s exsitence .
每个人觉得不适应之前可以随时停止工作并离开受限空间。
Each personne can stop working and leave restricted space before feeling uncomfortable
监护人不得擅自离岗，时时刻刻了解受限空间作业者的动态。
Supervisor should not leave their job , keep an eye on operational status all the time
02?打磨焊道、打磨定位
块、吊点、中心档
Welding chanel ,
positioning , lifting
point , centering ?高空坠落fall from height
高空坠物 objects fall from height
物体打击 object strike
缺氧oxygen lack
高温high temperature
进入受限空间内前半小时打开引风
机，保证球内空气顺畅。
Keep the air flow half an hour
before entering limited space
进入受限空间前，要进行登记，做
好受限空间准入制度，在受限空间
牌上挂好胸卡，监护人做好氧含量
测试，方可进入受限空间。
Rigister and wear entering card ,
testing oxygen amount before
entering into limited space
避开气温高的时间进入受限空间
内。
Avoid enering into limited space with high temperature
进入球罐内进行受限空间作业前正确佩戴好劳保用品方可进入。
Wear protective appliances before entering into restricted space
每个进入受限空间作业者在作业时候，相互了解、告知。
Each operator entering into restricted space notify and get to know each other’s exsitence .
每个人觉得不适应之前可以随时停止工作并离开受限空间。
Each personne can stop working and leave restricted space before feeling uncomfortable
监护人不得擅自离岗，时时刻刻了解受限空间作业者的动态。
Supervisor should not leave their job , keep an eye on operational status all the time
03 ?拆除内部挂架、跳板
Disassembly of inside
hanging and steel
plate ?高空坠落fall from height
高空坠物 objects fall from height
物体打击 object strike
缺氧oxygen lack
高温high temperature
进入受限空间内前半小时打开引风
机，保证球内空气顺畅。
Keep the air flow half an hour
before entering limited space
进入受限空间前，要进行登记，做
好受限空间准入制度，在受限空间牌上挂好胸卡，监护人做好氧含量测试，方可进入受限空间。
Rigister and wear entering card , testing oxygen amount before entering into limited space
避开气温高的时间进入受限空间内。
Avoid enering into limited space with high temperature
进入球罐内进行受限空间作业前正确佩戴好劳保用品方可进入。
Wear protective appliances before entering into restricted space
每个进入受限空间作业者在作业时候，相互了解、告知。
Each operator entering into restricted space notify and get to know each other’s exsitence .
每个人觉得不适应之前可以随时停止工作并离开受限空间。
Each personne can stop working and leave restricted space before feeling uncomfortable
监护人不得擅自离岗，时时刻刻了解受限空间作业者的动态。
Supervisor should not leave their
job , keep an eye on operational
status all the time
Unloading for goods and materials: 受限空间作业
Work Location: 作业区域名称
Prepared by: (Sub -contractor) Reviewed by:
(Contractor)
Approved by:
(Client)

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