【正文】 Misoperation the air pressor, or safety valve, pressure gauge, etc malfunction. System pressure overload, explode. 2 1 2 專人操作、維護空氣壓縮機。 Increase pressure, keep pressure and check leaks grading. 按分工要求，定人定點檢查。 Night work must be with enough lighting, do not move temporary lighting casually 1 1 1 Yes 2氣壓試驗：試壓 Pneumatic test 升壓過快，泄露部位未及時查出，壓力高爆炸。 Use nonverified gauge, system pressure overload, explode. 2 1 2 壓力表經(jīng)計量部門校驗后使用。 Air pressor fall short of request for safety used, mechanical accident, or explode. 2 1 2 設(shè)備經(jīng) CTN 檢驗合格，張貼標(biāo)簽后使用。 Watchman supervises and warns round the safety boundary. 掛牌上鎖，非相關(guān)人員嚴(yán)禁操作。 Label the pneumatic test area on DWG, and inform relevant contractor neighboring. 試壓區(qū)域安全分界線設(shè)置圍護和警示標(biāo)志。 Check all the valves and blind plate by piping, HSE, construction. 1 1 1 Yes 1氣壓試驗：試壓準(zhǔn)備、計劃 Preparation and plan of pneumatic test 非試壓人員在試壓系統(tǒng)系統(tǒng)附近作業(yè)或通過，系統(tǒng)爆炸，人員受傷。 Set out the pneumatic test after the test package have been checked and accepted and authorized by CTN. 1 1 1 Yes Project: IPS II SAP C0066 管道壓力試驗方案 Date: Location: Nanjing Dachang Piping Pressure Test Plan Rev. 0 Owner: BYC Contractor: NCC Page 4 of 16 作業(yè)步驟描述 Break the job down into steps. Each of the steps should acplish some major task and be logical. 確認(rèn)的危害及潛在的影響 Identify the hazards associated with each step. 風(fēng)險評估 控制措施 (包括現(xiàn)有的和建議的 ) Using the first two columns as a guide. Decide what actions are necessary to eliminate then control the hazards that could lead to an incident. 負責(zé)人 殘余風(fēng)險 * 殘余風(fēng)險是否盡可能的降低 ALARP*? 嚴(yán)重度 發(fā)生概率 風(fēng)險 等級 嚴(yán)重度 發(fā)生概率 風(fēng)險 等級 1氣壓試驗：試壓準(zhǔn)備、計劃 Preparation and plan of pneumatic test 待試系統(tǒng)整體不暢通，或與其他系統(tǒng)連接，損壞系統(tǒng)、爆炸。Dewatering into appointed drain 1 1 1 Yes 1氣壓試驗：試壓準(zhǔn)備、計劃 Preparation and plan of pneumatic test 待試系統(tǒng)未驗收合格，擅自試壓，系統(tǒng)爆炸。 Open safety relief valve and control speed of dewatering before dewatering 1 1 1 Yes 1試壓：排水Pressure test: dewatering 隨處排水，現(xiàn)場積水，污染環(huán)境。Welding and repairing is prohibited with any pressure during testing 1 1 1 Yes 1試壓：排水 Pressure test: dewatering 排水水流過大，空氣無法進入，產(chǎn)生負壓。Reduce piping pressure undertaking humanly, because piping exploding and body injury. 2 1 2 試壓時不得撞擊受壓部件。 Inspector is not allowed to stand at the top of blind 試壓過程中，升壓應(yīng)緩慢。 Meter supervision shall take special attention to values of pressure and report to instructor by radio. 試壓泵操作人員，堅守崗位，接到命令后，及時關(guān)閉設(shè)備。 Tag out and lock out, nonrelated person is not allowed to operate. 1 1 1 Yes 1試壓：管道注水、加壓 Pressure test: water filling and pressurizing 壓力超過試驗壓力，管道系統(tǒng)爆裂，并傷人。 Tag out sign board” Pressure in progress” around the boarder. 安全分界線一周，監(jiān)護人配哨子，告誡無關(guān)人員遠離。 Distance between safety boarder and pressure area is not enough or not plete, lack of sign board and guard, causes accidents as nonrelated person intrude. 2 2 4 用警示帶設(shè)置完整的安全分界線。 Over pressure test as the result of using pressure gauge 2 2 4 壓力表經(jīng)計量部門校驗后使用。 Use unqualified test pump 2 1 2 試壓泵檢驗合格，張貼標(biāo)簽后使用。 No isolation measures on nonrelated system and pipelines waiting for testing, system damages when pressuring, causes body hurt. 2 1 2 待試管道與無關(guān)系統(tǒng)用盲板或采取其他措施隔開。 System not yet approved and released by CTN, water filling without permit causes accidents 2 1 2 待試管道必須經(jīng) CTN 檢驗、許可后，方可進行水壓試驗。 Confirm all medium delivering system related to equipments which manhole will 1 1 1 yes Project: IPS II SAP C0066 管道壓力試驗方案 Date: Location: Nanjing Dachang Piping Pressure Test Plan Rev. 0 Owner: BYC Contractor: NCC Page 1 of 16 作業(yè)步驟描述 Break the job down into steps. Each of the steps should acplish some major task and be logical. 確認(rèn)的危害及潛在的影響 Identify the hazards associated with each step. 風(fēng)險評估 控制措施 (包括現(xiàn)有的和建議的 ) Using the first two columns as a guide. Decide what actions are necessary to eliminate then control the hazards that could lead to an incident. 負責(zé)人 殘余風(fēng)險 * 殘余風(fēng)險是否盡可能的降低 ALARP*? 嚴(yán)重度 發(fā)生概率 風(fēng)險 等級 嚴(yán)重度 發(fā)生概率 風(fēng)險 等級 be opened is blinded or has already taken measures. 掛牌上鎖、專人監(jiān)護。 Nonrelated personnel intrude as the result of no guard and warnings, causes hurt. 2 2 4 設(shè)立警戒區(qū)域，張貼警示標(biāo)識，指定監(jiān)護人員。Tools falling hurt others 1 2 2 用繩索等系掛工具，防止掉落砸傷他人。 Improper PPE causes body damages by equipment harmful residuals. 2 1 2 根據(jù)接觸的物質(zhì)選擇合適的PPE 用品。Nonqualified operation platform causes falling from height. 3 1 3 搭設(shè)合格的作業(yè)平臺。 Testing personnel shall divide the work clearly and be responsible respectively, listen to the order and operate seriously. 試壓過程中升壓應(yīng)緩慢，檢查人員不要站在盲板的頂端，升壓前應(yīng)對試壓設(shè)備，壓力表連接管和管件，排氣管及進水管等加以檢查，必須保證系統(tǒng)的嚴(yán)密性和排盡管道內(nèi)的空氣。 Set up a nameplate identify with “PRESSURE TESTING IN PROGRESS” at the prohibited area. Take sufficient protective measure specially during high pressure testing. 試壓時不得撞擊受壓部件。 Make a prohibited area for testing and forbidden irrespective person enter it during pressure testing time. 在試壓禁區(qū)，樹立一告示牌，寫明“正在試壓”。 In addition to flushing, all steam lines shall be blown before traps are installed. 所有進行氣壓試驗的管線都應(yīng)用空氣進行吹掃直至將所有雜質(zhì)清除干凈。 pipe system without safety valve shall not be performed pneumatic leak test. Flushing and QC documents 試驗后管道系統(tǒng)應(yīng)進行沖洗直至所有管線中的疏松氧化皮和碎片徹底清除干凈。沒有安全閥的管道系統(tǒng)不得進行氣壓試驗。試驗壓力應(yīng)維持足夠的時間但不能大于 10 分鐘以確定是否泄漏，如有泄漏釋放壓力然后修理再再次試驗?？墒菍τ趬嚎s氣體系統(tǒng)最初升壓不應(yīng)超過 170 KPa。C. This temperature may be reduced to 5176。 C。任何泄漏都應(yīng)先卸壓后維修再重新試壓，當(dāng)正在試壓的系統(tǒng)壓力升至 Mpa 以上后不應(yīng)對螺栓再進行緊固，試驗溫度不應(yīng)小于 15176。人員從該區(qū)域退出后，逐步升壓至要求的 壓力（每次 170 KPa 或試驗壓力的 10%）并提供足夠的時間允許管道補償應(yīng)變，只有在管道壓力不再增加時才能檢查管道系統(tǒng)，對所有的焊接接頭、法蘭連接接頭或螺紋連接接頭用肥皂泡檢查泄漏，肥皂應(yīng)是商業(yè)上專門用來進行泄漏探查的。只有與壓力試驗相關(guān)的人員被授權(quán)在試驗區(qū)域參加氣壓試驗。當(dāng)含有氣體或蒸汽時，應(yīng)在Project: