冷工作業(yè)許可證-中英

Site :  Department:  Revision No. :  
Job :  Boiler Generating Tubes Cleaning Cross Ref Document:   Date :14/may/2007
Task Description
1 管線放空，降溫，隔離閥門 Pipeline venting, decompression and isolating valve
2 申請進行鍋爐水管清洗的冷工作業(yè)許可證  Cold work license application of boiler pipe cleaning
3 做好施工前的準備工作，然后拆卸管接頭 Preparation for construction, then disassemble the seal head of heat exchanger
4 使用高壓水進行管線清洗疏通 Apply the high pressure water to perform the cleaning and dredge of pipe line
5 恢復管線工藝流程、清理現(xiàn)場 Restore the pipe line procedure and clearing the site
Step Hazard Identified Hazard Effect Risk Evaluation Control Measures Action Residual Risk Is Residual Risk ALARP
 Use checklist as guide Type of injury, damage or environment impact HE P R Required (including existing & proposed) Person Responsible Date Completed HE P R 
1
3 高空墜落
Falling accident  致命
Fata;  4 2 8 高空作業(yè)時，安全帶必須掛在固定點和結構上
The safety belt must be hung on fixed point and structure during aloft work.   3 1 3 Yes
1
3 高溫介質燙傷
Burned by high temperature medium 工傷
Working injury 3 2 6 在閥門內漏需加盲板前事先確認管線內介質溫度在40℃以下，方可進行下步工作
Before further procedure, ensure the medium temperature inside the pipe line is below 40℃ prior the blank off isolation of boiler system.   3 1 3 Yes
1
3
 墜落物體
Falling object 致命
Fatal
a. 在高處作業(yè)時，使用合適的容器或繩子運送工具。要確保容器的安全和載荷的重量
Working at height, a proper container or rope shall be used to convey tools. Ensure the container safety and load capacity to meet the related requirements.
b. 吊物下方禁止站人，人員合理站位帶好安全帽并系好下顎帶，作業(yè)現(xiàn)場用警示帶隔離
No personnel are allowed in the operating range of hoisting object; wear hard hat and fasten the belly.
c. 保持一個良好的現(xiàn)場清理習慣，材料工具及其他物品放在合適位置，避免其從高處掉落
Foster a sound habit of site cleaning, place the material and tool in a proper place and avoid resulting people hurting or material damaging by falling. 
d. 高空作業(yè)時，工具要系尾繩，防止墜落
Working at height, tools shall be fastened with rope to avoid falling.   4 1 4 Yes
4 高壓水傷人
Hurt by high pressure steam  致命
Fatal  4 2 8 a. 出海前及施工前分別進行一次高壓水設備的檢查，確認設備運轉正常，高壓管線狀態(tài)完好
Before sea duty and construction carry out an inspection on hydraulic equipments respectively; ensure equipments are in a regular operation and high pressure pipe line is in a good condition.
b. 作業(yè)現(xiàn)場用警示帶隔離，廣播通知設施上所有人員高壓水作業(yè)進行的位置
Isolate the site with caution sign, inform all the related personnel on duty about the hydraulic procedure through broadcast. 
c. 高壓水設備操作人員與清洗現(xiàn)場使用對講機保持聯(lián)系，腳踏閥操作人員與持槍清洗人員必須相互看得見、正常說話聽得見
Operator on hydraulic equipments shall keep contact with the personnel on site cleaning.  Space between the foot valve operator and water jet holding personnel shall be seen each other and audible in normal condition.     4 1 4 yes
            
其它的危害和預防措施  Other hazard and preventive measure.
1. 閥門隔離要經(jīng)過設施上工作人員和施工人員雙方確認，避免誤操作，關閉的閥門掛牌上鎖
Valve isolation and equipment dissembling shall be confirmed by the person on duty and construction personnel to avoid error in operation; close the valve; display caution sign and lock it.   
2. 在工作開始前要召開班前會，確保所有相關的工作人員知道他們的職責和要采取的防范措施
Hold briefing before operation; ensure all the related personnel were informed with their duty requirements and applicable preventive measures.
3. 如遇到臨邊作業(yè)時作業(yè)人員要佩戴安全帶
In case of limb operation, operation staff shall fasten the safety belt.
4. 如需要搭設腳手架時應滿足相關搭設及使用標準，并應另作一份腳手架搭設的風險評估
If scaffold is required, it is necessary to meet the related construction and application criterion and prepare another scaffold risk evaluation.

2014.10.12