儲(chǔ)罐水壓試驗(yàn)方案

1、文件類型Documenttype文件頁數(shù)Pages版次Version修訂說明Revisionnote受控編號(hào)ControllednumberGH201版Version1首次1st儲(chǔ)罐充水試壓方案TankHydro-testPlan22012年11月1日Nov.1,2012版次Edition日期Date編制Formulatedby審核Reviewedby批準(zhǔn)Approvedbyo中國化學(xué)工程第十三建設(shè)有限公司The13thConstructionCo.,Ltd.ofCNCE儲(chǔ)罐充水試壓方案TankHydro-testPlan3錄Contents1 適用范圍RangeofApplication22

2、 編制依據(jù)FormulationBasis23 工程概況General24 施工工序ConstructionProcedure35 施工步驟及方法ConstructionProcedureandMethod45.1 檢查內(nèi)容Checkthecontents:45.2 準(zhǔn)備工作Preparatorywork:45.3 充水試驗(yàn)應(yīng)符合下歹U規(guī)定Thehydro-testshallbeincompliancewithfollowingregulations55.4 水壓試驗(yàn)示意圖Hydro-testDiagram65.5 充水過程檢查InspectionforWaterFillingProcess7

3、5.6 充水試驗(yàn)方法Hydro-testmethod85.7 基礎(chǔ)沉降觀測(cè)FoundationSettlementObservation105.8 放水檢查InspectionforWaterDraining125.9 試壓技術(shù)要求TechnicalRequirementsforPressureTest136 質(zhì)量管理QualityManagement136.1 質(zhì)量保證體系QualityGuaranteeMeasures:136.2 質(zhì)量保證措施QualityGuaranteeMeasures:147 質(zhì)量管理QualityManagement157.1 安全保證體系Safetyassura

4、ncesystem：157.2 安全保證措施計(jì)戈UPlanningforsafetyassurancemeasures：16人力計(jì)戈UVII.PlanningforLaborForces18九機(jī)具準(zhǔn)備VII.PreparationsofMachinesandTools18十工作危險(xiǎn)源分析評(píng)估及預(yù)防Work-relatedHazardAnalysisEvaluationandPrevention19一.適用范圍RangeofApplication1.本方案適用于塞拉尼斯(南京)乙?；虚g體有限公司工業(yè)乙醇項(xiàng)目八期改造擴(kuò)建罐區(qū)4臺(tái)儲(chǔ)罐的充水試驗(yàn)的施工。Thisplanisapplicabletot

5、heexecutionofthehydro-testfor4tanksinthemodificationandexpansionofthetankfarmofCelaneseChinaFastProject.二.編制依據(jù)FormulationBasis1) 鋼制焊接常壓容器SteelWeldedAtmosphericPressureVesselsJB/T4735-19972) 立式圓筒形鋼制焊接油罐施工及驗(yàn)收規(guī)范CodeforConstructionandAcceptanceofWeldedSteelOilTankofVerticalBarrelShapeGB50128-20053) 石油化工

6、鋼儲(chǔ)罐地基與基礎(chǔ)施工及驗(yàn)收規(guī)范SpecificationforConstructionandAcceptanceofSteelStorageTankSubgrade&FoundationinPetrochemicalIndustrySH3528-934) 大型焊接低壓儲(chǔ)罐設(shè)計(jì)與建造DesignandConstructionofLarge,Welded,Low-pressureStorageTanksAPI620-20095) 塞拉尼斯技術(shù)要求及相關(guān)過程規(guī)定Celanesetechnicalrequirementsandrelatedprocessregulations.工程概況General序

7、號(hào)No.位號(hào)Item名稱Description規(guī)格Spec.設(shè)備凈重Netweightofequipment(t)Weightafterwaterfilling充水后重(t)水water(m3)設(shè)計(jì)壓力DesignpressureMpaFillingheight充水高度(m)1V-732產(chǎn)品罐Producttank()1095*975054.34930.6763-0.00154/0.0999.752V-733產(chǎn)品罐Producttank()10795*975054.34930.6763-0.00154/0.0999.753V-744倒液罐Off-spectank()10795*975054.3

8、4930.6763-0.00154/0.0999.754V-737清洗罐Cleaningtank8660*975035.84599.8488-0.00154/0.0999.75Waterdraining五.施工步驟及方法ConstructionProcedureandMethod儲(chǔ)罐已制作完成，且具備水壓試驗(yàn)條件，充水試驗(yàn)前應(yīng)對(duì)罐體進(jìn)行聯(lián)合檢查，罐體無損檢測(cè)機(jī)所有配件、附件安裝檢測(cè)完畢檢查合格后對(duì)罐體內(nèi)進(jìn)行清掃封閉人孔等，開始充水，進(jìn)行充水試驗(yàn)。充水過程中充水試驗(yàn)要求與土建基礎(chǔ)沉降觀測(cè)結(jié)合起來，設(shè)置專人對(duì)進(jìn)水和放水時(shí)間進(jìn)行監(jiān)控，發(fā)現(xiàn)異常情況應(yīng)及時(shí)處理，處理合格后方可繼續(xù)上水。充水試驗(yàn)結(jié)束后，罐

9、體內(nèi)的水應(yīng)按業(yè)主要求和排放位置及時(shí)排放。Beforethehydro-test,thetankshellshallbejointlyinspected.AfterNTDofthetankshell,andallfittingsandaccessoriesareinstalled,tested,inspectedandaccepted,cleanthetankinsideandclosethemanhole,fillwaterandtakethehydro-test.Duringwaterfilling,thehydro-testrequirementsshallbecombinedwithth

10、ecivilstructurefoundationsettlementobservation,personnelshallbespeciallyassignedformonitoringthefillinganddrainingtime,anyabnormalityshallbetreatedintime,nowatercanbefilledinbeforethetreatmentisaccepted.Aftercompletionofthehydro-test,thewaterinthetankshellshallbepromptlydrainedaccordingtotheownersre

11、quirementsandthelocationfordraining.5.1 儲(chǔ)罐制造完畢后，進(jìn)行充水試驗(yàn)，并檢查下列內(nèi)容：Hydro-testwillbetakenafterthetankisfinishedinfabrication,andthefollowingcontentshallbechecked:1）罐底嚴(yán)密性。Tightnessofthetankbottom2）罐壁強(qiáng)度及嚴(yán)密性。Strengthandtightnessofthetankshell3）固定頂?shù)膹?qiáng)度及嚴(yán)密性。Strengthandtightnessofthefixedroof4）固定頂?shù)姆€(wěn)定性。Stability

12、ofthefixedroof5）基礎(chǔ)的沉降觀測(cè)。Settlementobservationforthefoundation5.2 壓力試驗(yàn)前，首先做好以下準(zhǔn)備工作：Thefollowingpreparationsshallbemadebeforethepressuretest:1）檢查罐外形尺寸、附件安裝是否符合要求。Checkifthetankoutlinedimensionandaccessoryinstallationsatisfyrequirements.2）充水前將罐內(nèi)雜物清理干凈后進(jìn)行封閉，罐壁上的接管均用臨時(shí)盲板封閉，人孔用人孔法蘭蓋封閉。Beforewaterfilling,c

13、leanoutsundriesinthetankandcloseit,closethenozzleonthetankshellwithtemporaryblind,andclosethemanholewiththemanholeflange.3）檢查罐管口、法蘭是否已焊接完，是否有漏焊部位。Checkifthetanknozzleandflangearefinishedinwelding,andiftheweldingonanypartismissed.4）接管補(bǔ)強(qiáng)圈用壓縮空氣氣密工作已做完，且合格。Theairtightworkofthecompressedairusedforthenozz

14、lereinforcingringhasbeencompletedandqualified.5）水源采用消防儲(chǔ)罐的低壓消防水，壓力為1.5MpaoThewaterissourcedfromthelowpressurefirewaterofthefiretank,andthepressureis1.5Mpa.6）沉降觀測(cè)，儲(chǔ)罐選定4個(gè)沉降觀測(cè)點(diǎn)。Settlementobservation:4settlementobservationpointsareselectedfortanks.7）完成罐充水前沉降觀測(cè)點(diǎn)和基準(zhǔn)點(diǎn)的設(shè)置，并測(cè)量0水位時(shí)各測(cè)點(diǎn)的標(biāo)高。Setupsettlementobserva

15、tionpointsandreferencepointsbeforewaterfillingforthetank,andmeasuretheelevationofeverymeasuringpointwhenthewaterlevelis0.8）碳鋼儲(chǔ)罐試驗(yàn)應(yīng)采用潔凈水，試驗(yàn)用水溫不低于5C。TheCStanktestshalladoptcleanwater,andthewatertemperatureusedforthetestshallnotbelowerthan5C.9）V-737不銹鋼儲(chǔ)罐試驗(yàn)用水氯離子含量不得超過25mg/L。Thecontentofthechlorideioninw

16、aterusedforV-737SStanktestshallnotbemorethan25mg/L.10）完成罐充水前沉降觀測(cè)點(diǎn)和基準(zhǔn)點(diǎn)的設(shè)置，并測(cè)量0水位時(shí)各測(cè)點(diǎn)的標(biāo)高。Setupthesettlementobservationpointandthereferencepointbeforewaterfillingforthetank,andmeasuretheelevationofeverymeasuringpointwhenthewaterlevelis0.5.3 充水試驗(yàn)應(yīng)符合下列規(guī)定：Thehydro-testshallbeincompliancewithfollowingregul

17、ations:1）充水和放水過程中，打開放空孔，基礎(chǔ)避免浸水。Duringwaterfillinganddraining,openthe2）充水時(shí)嚴(yán)格控制上水、停水的進(jìn)程，隨時(shí)檢查水位。Duringwaterfilling,strictlycontroltheprocessofwaterfillingandwatercutoff,andcheckthewaterlevelanytime.3）當(dāng)?shù)谝慌_(tái)儲(chǔ)罐進(jìn)行充水試驗(yàn)時(shí)，應(yīng)充水時(shí)快速充水到罐高的1/2,進(jìn)行沉降觀測(cè)，當(dāng)不均勻沉降量小于5mm/天時(shí)，繼續(xù)充水到罐高的3/4進(jìn)行觀測(cè)，當(dāng)充水到（設(shè)計(jì)液位一1米）進(jìn)行正壓試驗(yàn)，當(dāng)不均勻沉降量仍小于5mm/

18、天時(shí)，繼續(xù)充水到最高操作液位，并保持48小時(shí)后進(jìn)行觀測(cè)，當(dāng)沉降量無明顯變化即可放水，放水時(shí)做負(fù)壓試驗(yàn)，當(dāng)沉降量有明顯變化，則保持最高操作液面，每天進(jìn)行定期觀測(cè)，直至沉降穩(wěn)定為止。Whenthehydro-testistakenforthefirsttank,thewatershallbequicklyfilledtothepointof1/2ofthetankheightduringwaterfilling,observethesettlement,whentheunequalsettlementisstilllessthan5mm/day,goonfillinginwatertothepoi

19、ntof3/4ofthetankheightforobservation;whentheunequalsettlementisstilllessthan5mm/day,goonfillinginwatertothehighestoperatinglevel,andobserveitaftermaintaining48hrs,ifthesettlementdoesntobviouslychange,thewatercanbedrained,ifthesettlementobviouslychanges,keepthehighestoperatinglevel,andobserveitregula

20、rlyeveryday,untilthesettlementissteady.4）當(dāng)?shù)谝慌_(tái)儲(chǔ)罐罐基沉降量符合要求后，其余各罐充水試驗(yàn)時(shí)可取罐高的1/2和3/4進(jìn)行兩次觀硬U。Afterthefoundationsettlementofthefirsttankmeetsrequirements,whenthehydro-testistakenfortheresttanks,thesettlementwillbeobservedtwicerespectiveatthepointof1/2and3/4heightofthetank.5）基礎(chǔ)沉降觀測(cè)早、晚各觀測(cè)一次，每次的沉降數(shù)據(jù)做好統(tǒng)計(jì)，并描繪出基

21、礎(chǔ)沉降變化圖，便于分析。罐基礎(chǔ)沉降允許值（均勻沉降值）Allowablevalueofthetankfoundationsettlement（equalsettlementvalue）儲(chǔ)罐位號(hào)TankNo.罐內(nèi)徑（mm）innerdiameteroftank任意直徑方向最終沉降差允許值（mm）AllowablevalueofthefinalsettlementdifferenceinanydiametricaldirectionV-73210668160mmV-73310668160mmV-74410668160mmV-7378534128mmReferencevalve:Allowablev

22、alueofthetankfoundationsettlement（equalsettlementvalue）Attachedtable1FloatingrooftankandinnerfloatingrooftankFixedrooftankValve31任A宜f令方向JH終況脩差汴呼低D22n,(HSD參考數(shù)值：基礎(chǔ)沉降型許可值附表1浮質(zhì)嶂與內(nèi)附丁更D(，】J任總應(yīng)使方向俄終歷降整許時(shí)優(yōu)Dn】，22cpM和OJJ06D22Otif任】口4。(JM值口hDi;(ifUiiKD4UD6。03)(14D5.4水壓試驗(yàn)示意圖：Hydro-testDiagram消防帶firehose臨時(shí)管線接入口T

23、emporarypipeaccess儲(chǔ)備瞿tank$108*6在罐區(qū)內(nèi)的泡沫消防臨時(shí)接入處，用臨時(shí)管線(閥Valve4108X6另一臺(tái)儲(chǔ)罐anothertank壓力表pressuregauge污水井drainwellInsidediameteroftankD(m)AllowablevalueofthefinalsettlementdifferenceinanydiametricaldirectionInsidediameteroftankD(m)Allowablevalueofthefinalsettlementdifferenceinanydiametricaldirection小108*6

24、接到儲(chǔ)罐泡沫降落槽接口上；Connectthetemporarypipe（小108*6totheaccessofthetankfoamdescendinggrooveatthetemporaryaccessoffoamfire-proofinthetankfarm.按上圖所示建立試壓系統(tǒng)；Establishthepressuretestsystemaccordingtotheabovediagram.5.5充水過程檢查：InspectionforWaterFillingProcess1）進(jìn)水時(shí)專人看守進(jìn)水閥門，嚴(yán)格控制水源大小，同時(shí)找專人通過u型計(jì)觀察儲(chǔ)罐實(shí)際充水量并與進(jìn)水人員配合，過程為1/

25、2液位高度一3/4液位高度一滿水高度-1米一滿水高度Thesecurewaterwhentheinletvalve,strictcontrolofwaterthesizeof,atthesametimetofindsomeonethroughtheU-meterObservethethetanksactualchargewaterandinfluentpersonnelwiththeprocessfortheliquidleveloftheliquidlevel-1/23/4HeigM一一fullofwaterfullofwaterheight2）充水試驗(yàn)中應(yīng)加強(qiáng)基礎(chǔ)沉降觀測(cè)，如基礎(chǔ)發(fā)生不允許

26、的沉降，應(yīng)停止充水，待處理后，方可繼續(xù)進(jìn)行試驗(yàn)。Dointensifysettlementobservationduringthehydro-test,ifunallowablesettlementarisesfromthefoundation,thewaterfillingshalltop,anddonotgoonthetestbeforetreatment.3）充水和放水過程中應(yīng)打開罐頂人孔Doopenthemanholeonthetankroofduringtheprocessofwaterfillinganddraining.4）充水過程中應(yīng)控制水的流速，水面上升的速度應(yīng)不超過0.9m

27、/h。Docontroltheflowspeedofwaterduringwaterfilling,andthespeedofwatersurfaceascentshallnotexceed0.9m/h.5）上水過程中在最高設(shè)計(jì)液位的50%和75%進(jìn)行罐體檢查。Duringwaterfilling,checkthetankbodyatthepointof50%and75%ofthehighestdesignlevel.充水水1P曲線1%Fillingwatertestcurvechart5.6 充水試驗(yàn)方法：Hydro-testmethod:1)罐底的嚴(yán)密性，應(yīng)以充水試驗(yàn)過程中罐底無滲漏為合格

28、，若發(fā)現(xiàn)滲漏，應(yīng)放水后進(jìn)行檢查補(bǔ)焊。Tightnessofthetankbottom:ifthetankhasnoleakageduringthehydro-test,itisacceptable,incaseofanyleakage,itshallbeinspectedandwelding-repairedafterwaterdraining.2)罐壁的強(qiáng)度及嚴(yán)密性試驗(yàn)，應(yīng)以充水到設(shè)計(jì)最高液位并保持48h后，罐壁無滲漏、無異常變形為合格，發(fā)現(xiàn)滲漏時(shí)應(yīng)放水，使液面比滲漏處低300mm進(jìn)行修補(bǔ)。Strengthandtightnesstestforthetankshell:ifthetanksh

29、ellisfreeofleakage,abnormalityanddeformationafterthewaterisfilledtothehighestdesignlevelandmaintains48h,itisacceptable,incaseofanyleakage,thewatershallbedrainedtomakethewaterlevel300mmlowerthantheleakage.3)固定頂?shù)膹?qiáng)度及嚴(yán)密性試驗(yàn)，打開閥門1,關(guān)閉閥門2,通過消防帶從罐頂部進(jìn)行上水，在上水至設(shè)計(jì)液面高度下1米處時(shí)，用盲板封堵所有開孔，緩慢調(diào)節(jié)閥門1,緩慢上升，升壓至試驗(yàn)壓力(0.12Mpa)

30、時(shí)，停止充水，進(jìn)行固定頂強(qiáng)度及嚴(yán)密性試驗(yàn)，在罐頂涂以肥皂水檢查，試驗(yàn)后應(yīng)立即將罐頂孔開啟，與大氣相通，恢復(fù)至U常壓;Strengthandtightnesstestofthefixedroof:openValve1,closeValve2,andfillwaterfromthetanktopthroughthefirehose,whenthewaterisfilledtothepointof1mlowerthanthedesignlevel,blockallopeningsbyblinds,slowlyregulateValve1,thepressureslowlyrises,whenthep

31、ressurerisestothetestpressure(0.12Mpa),stopfillingwater,andconductthestrengthandtightnesstestforthefixedroof,applysoapywateronthetankroofforinspection,anddoopenthetankroofholeimmediatelyafterthetest,soastocontacttheatmosphereandrecovertonormalpressure.4)固定頂?shù)姆€(wěn)定性試驗(yàn)，充水到設(shè)計(jì)最高液位時(shí)，用盲板封堵所有開孔，打開閥門4、3,用放水方法進(jìn)行

32、固定頂?shù)姆€(wěn)定性試驗(yàn)，緩慢降壓，達(dá)到試驗(yàn)負(fù)壓(-0.00162Mpa)時(shí)，觀察罐頂(罐頂無異常變形為合格)，試驗(yàn)后應(yīng)立即將孔開啟，與大氣相通，恢復(fù)到常壓；固定頂儲(chǔ)罐在充水到8754mm液位前，應(yīng)打開頂部人孑I。Stabilitytestforthefixedroof:whenthewaterisfilledtothehighestdesignlevel,blockallopeningswithblinds,openValve3andValve4,conductthestabilitytestofthefixedroofbywaterdraining,depressurizeditslowly,w

33、henitisuptothetestnegativepressure(-0.00162Mpa),observethetankroof(itisacceptableifthetankroofisfreeofabnormalityanddeformation),doopentheholeimmediatelyafterthetest,soastocontacttheatmosphereandrecovertonormalpressure.Theroofmanholeshallbeopenedbeforethewaterinthefixedrooftankisfilledtothelevel8754

34、mm.試驗(yàn)項(xiàng)目Testitem試驗(yàn)方法Testmethod合格標(biāo)準(zhǔn)Standardofacceptability罐底嚴(yán)密性tightnessoftankbottom充水試驗(yàn)，觀察基礎(chǔ)周邊。Hydro-test,observetheperipheryofthefoundation.無滲漏為合格Itisacceptableifnoleakage.罐壁強(qiáng)度及嚴(yán)密性試驗(yàn)strengthandtightnesstestfortankshell充水至最圖設(shè)計(jì)液向，保持48h0Fillwatertothehighestdesignlevelandmaintain48h.無滲漏、無異常變形為合格Itisacc

35、eptableifnoleakageorabnormality.固定頂強(qiáng)度及嚴(yán)密性試驗(yàn)strengthandtightnesstestforthefixedroof罐內(nèi)充水到最高設(shè)計(jì)液位下1m,將所有開孔封閉，緩慢充水升壓，當(dāng)升至試驗(yàn)壓力時(shí)，暫停充水，在罐頂涂以肥皂水檢查，試驗(yàn)后應(yīng)立即將罐頂孔開啟，與大氣相通，恢復(fù)到常壓Whenthewaterinthetankisf川edtothepointof1mlowerthanthedesignlevel,blockallopeningsbyblinds,slowlyfillwaterandboostpressure,whenthepressureri

36、sestothetestpressure,suspendthefillingofwater,applysoapywateronthetankroofforinspection,anddoopenthetankroofholeimmediatelyafterthetest,soastocontacttheatmosphereandrecovertonormalpressure.a）罐頂無異常變形Thetankroofisfreeofabnormalityanddeformation.b）未發(fā)現(xiàn)焊縫滲漏為合格Itisacceptableifnoleakageofweldedjointsisfoun

37、d.固定頂?shù)姆€(wěn)定性試驗(yàn)stabilitytestforthefixedroof充水到設(shè)計(jì)液位時(shí)，用放水方法進(jìn)行試驗(yàn)，緩慢降壓，達(dá)到試驗(yàn)負(fù)壓時(shí)，觀察罐頂，試驗(yàn)后應(yīng)立即將孔開啟，與大氣相通，恢復(fù)到常壓。Whenthewaterisfilledtothedesignlevel,conductthetestbywaterdrainingmethod,depressurizeitslowly,whenitisuptothetestnegativepressure,doopentheholeimmediatelyafterthetestsoastocontacttheatmosphereandrecove

38、rtonormalpressure.罐頂尢異常發(fā)形Thetankroofisfreeofabnormalityanddeformation.5）當(dāng)考慮水的重復(fù)利用，第一臺(tái)罐水壓試驗(yàn)完畢后，緩慢打開閥3,將水直接排到第二臺(tái)罐里，待兩罐水位平衡后，關(guān)閉閥2,然后利用消防帶進(jìn)行上水；Inviewofrecyclingofwater,afterthefirsttankisfinishedinthehydro-test,slowlyopenValve3,directlydrainthewatertothesecondtank,afterthewaterlevelinthetwotanksisbalanc

39、ed,closeValve2,andthenfillwaterwiththefirehose.5.7 基礎(chǔ)沉降觀測(cè)FoundationSettlementObservation1）根據(jù)儲(chǔ)罐的體積和直徑，確定儲(chǔ)罐沉降觀測(cè)的點(diǎn)數(shù)，見下圖。Makesurethenumberoftanksettlementobservationpointsaccordingtothevolumeanddiameterofthetank,seethefollowingdrawing.V-732/V-733markedraphofsertlemetifmarkedraphofsettkmentv744沉降標(biāo)識(shí)國mirke

40、dgraphofsettlementV-7374年布胭2）四臺(tái)儲(chǔ)罐分另1J選好基準(zhǔn)點(diǎn)為控制點(diǎn)。Referencepointsarerespectivelyselectedforthefourtanksascontrolpoints.3）空罐（上水前，第一次）一1/2液位高度（第二次）一3/4液位高度（第三次）一滿水高度（1小時(shí)第四次）一滿水高度-1米（第五次）一滿水高度（48小時(shí)后，第六次）一空罐（放水后，第七次）Emptytank（beforewaterfilling,thefirsttime）1/2waterlevel（thesecondtime）3/4waterlevel（thethir

41、dtime）fullwaterlevel（1hr,thefourthtime）fullwaterlevel（after48hrs,thefifthtime）empty（afterwaterdraining,thesixthtime）4）水壓試驗(yàn)過程中，應(yīng)緊密跟蹤罐體每次的沉降量，檢查其是否符合規(guī)范允許值。Duringthehydro-test,closelytrackthesettlementofthetankbodyeverytime,andcheckiftheysatisfythespecifiedallowablevalue.5）儲(chǔ)罐基礎(chǔ)沉降允許值：充水高度為：H/2（H為罐高），沉降量

42、5mm/d,充水高度為：3H/4,沉降量仍5mm/d,充水到最高液位后，保持48h觀測(cè)，總沉降量25mm.Allowablevalueofthetankfoundationsettlement:thewaterfillinglevel:H/2（Histheheightofthetank）,thesettlement5mm/d,thewaterfillingheightis3H/4,thesettlement5mm/d,afterthewaterisfilledtothehighestlevel,observeitfor48h,andthetotalsettlement25mm.6）為方便測(cè)出罐

43、內(nèi)液位的實(shí)際高度，從罐壁管口上接出一臨時(shí)閥門，并將軟管接從低接管接到罐頂，為防止塑膠管滑落，采用柔性材料將其臨時(shí)綁扎到腳手架靠里側(cè)。Inordertomeasuretheactualheightofthewaterlevelinthetank,extendatemporaryvalvefromthetanknozzle,andconnectthehosetothetankrooffromthelowernozzle,inordertopreventplasticpipefromsliding,bindittotheinnersideofthescaffoldtemporarilywithfle

44、xiblematerial.5.8 放水檢查InspectionforWaterDraining1）放水停留時(shí)間應(yīng)符合土建專業(yè)設(shè)計(jì)文件的要求Waterdrainingdetentiontimeshallbeincompliancewiththerequirementsofdesigndocumentsofthecivilworkdiscipline.2）儲(chǔ)罐試壓完畢后，放水應(yīng)排放到指定位置（罐區(qū)圍堰內(nèi)部排水溝），不可就地排放使基礎(chǔ)浸水；Afterthetankpressuretestisfinished,thewatershallbedrainedtothespecifiedposition,

45、andcannotbedrainedlocallyforfearoffoundationsoaking.3）罐內(nèi)應(yīng)徹底地進(jìn)行清掃，除去銹蝕，底板不應(yīng)有顯著的變形和明顯凸凹，各附件應(yīng)符合圖樣要求，且無異?，F(xiàn)象。Thetankshallbecompletelycleaned,rustshallberemoved,andbottomplatesshallbefreeofsignificantdeformationandobviousunevenness,allaccessoriesshallbeincompliancewithdrawingrequirements,andbefreeofanyabn

46、ormality.4）放水后及時(shí)將罐內(nèi)的積水和雜物清掃干凈，應(yīng)打開所有的管口和人孔，以加強(qiáng)罐內(nèi)的空氣流通，當(dāng)罐內(nèi)水吹干后，及時(shí)檢查，并用抹布清除干凈罐內(nèi)的水漬。Cleanupaccumulatedwaterandsundriesinthetankinpromptlyafterwaterdraining,allnozzlesandmanholesshallbeopened,soastostrengthenventilationinthetank,afterthewaterinthetankisdried,inspectitintimeandremovewaterstaininthetankwit

47、hrags.5.9 試壓技術(shù)要求TechnicalRequirementsforPressureTest1 .一般要求generalrequirements1）試壓工作開戰(zhàn)前，施工技術(shù)人員必須對(duì)參加試壓的所有人員進(jìn)行技術(shù)交底，安全交底，嚴(yán)格遵守安全鄉(xiāng)己律和操作規(guī)程。Beforestartofthepressuretest,technicalpersonnelofconstructionshallgivetechnicalandsafetypresentationtoallpressuretestparticipants,andabidebysafetydisciplinesandoperati

48、ngregulationsstrictly.2）劃定危險(xiǎn)區(qū)，并安排人員負(fù)責(zé)警戒，禁止無關(guān)人員進(jìn)入。Dividedangerouszones,andarrangepersonstoberesponsibleforalert,andnoentryforunrelatedpersonnel.2 .試驗(yàn)時(shí)白要求testrequirements1）水壓試驗(yàn)時(shí)，嚴(yán)禁對(duì)罐身、接口進(jìn)行敲打或修補(bǔ)缺陷，嚴(yán)禁帶壓修理，泄壓后再進(jìn)行修補(bǔ)，缺陷消除后重新試壓。Duringthehydro-test,neitherknockthetankbodyornozzlenorrepairdefects,repairwithpr

49、essureisprohibited,andnorepairbeforepressurerelease,repeatthepressuretestafterremovalofdefects.2）罐頂穩(wěn)定性試驗(yàn)時(shí)，確保安全裝置良好。Duringthestabilitytestforthetankroof,ensurethesafetydeviceisgood.3）負(fù)責(zé)降壓的操作人員必須控制升壓的速度，進(jìn)水，泄壓注意防空。Operatorswhoareresponsibleforreducingpressuremustcontrolthespeedofboostingpressure,wateri

50、nflowandpressurerelief,andpayattentionnottoemptying.4）水壓試驗(yàn)后，試壓用水必須由管道排放至指定地點(diǎn)，不得就地排放。Afterthehydro-test,thewaterusedforpressuretestshallbedrainedtothespecifiedlocationthroughthepipe,donotdrainitlocally.6.質(zhì)量管理QualityManagement6.1 質(zhì)量保證體系QualityGuaranteeMeasures1項(xiàng)目經(jīng)理部質(zhì)量保證體系見施工組織設(shè)計(jì)。Forthequalityguarantee

51、systemoftheprojectmanagerdepartment,seetheconstructionorganizationdesignplease.2作業(yè)層質(zhì)量保證體系。Qualityguaranteesystemoftheoperationlevel施工班組長(zhǎng)（兼職質(zhì)檢員）施工班組6.2質(zhì)量保證措施QualityGuaranteeMeasures1）試驗(yàn)時(shí)每臺(tái)儲(chǔ)罐應(yīng)裝設(shè)1塊壓力表，1塊真空表，試驗(yàn)壓力以裝設(shè)在設(shè)備最高處的壓力表讀數(shù)為準(zhǔn)。Duringthetest,eachtankshallbeprovidedwithonepressuregaugeandonevacuumgauge

52、,andthetestpressureshallbebasedonthereadingofthepressuregaugemountedonthehighestpointoftheequipment.1.53倍。Thepressuregauge2）壓力表須經(jīng)校準(zhǔn)，精度不低于1.5級(jí)，量程為最大被測(cè)壓力的shouldbecalibrated,theprecisionshallnotbelowerthanGrade1.5,andthemeasuringrangeis1.5-3timesofthegreatestpressuremeasured.3）有專人看護(hù)壓力表，嚴(yán)禁超過規(guī)定的試驗(yàn)壓力。Pers

53、onnelshallbespeciallyassignedtowatchthepressuregauge,thetestpressureagainstregulationsisforbidden.4）嚴(yán)格控制上水、進(jìn)水、放水的過程，以避免超壓或抽空。Strictlycontroltheprocessofwaterfilling,waterinflowandwaterdraining,soastoavoidoverpressureoremptying.七.安全管理XSafetyManagement7.1 安全保證體系Safetyassurancesystem7.1.1 項(xiàng)目經(jīng)理部安全保證體系見施

54、工組織設(shè)計(jì)；Forthesafetyassurancesystemoftheprojectmanagerdepartment,seetheconstructionorganizationdesignplease.7.1.2 作業(yè)層安全保證體系；SafetyassurancesystemoftheoperationlevelResponsibleEngineeroftheFull-timeSafetyInspectorconstructionConstructionShiftLeader(Part-timeSafetyInspector)Constructionshifts7.2 安全保證措施計(jì)

55、戈UPlanningforsafetyassurancemeasures7.2.1 一般要求：Generalrequirements:1壓力試驗(yàn)的各項(xiàng)準(zhǔn)備工作必須經(jīng)過我方質(zhì)量部門的自檢合格，安全工作經(jīng)過HSE經(jīng)理同意后方可開始進(jìn)行試壓工作。Allpreparationsforthepressuretestshallbeself-inspectedbyourqualitydepartmentandacceptable,andthepressuretestcannotbeconductedbeforethesafetyworkisapprovedbyHSEmanager.2所有參與壓力試驗(yàn)人員要進(jìn)

56、行崗位分工，責(zé)任明確；Allpressuretestparticipants,dutyshallbedividedwithclearresponsibility.3試壓時(shí)用警戒繩將儲(chǔ)罐圈出安全范圍，無關(guān)人員不得擅自靠近，以防止突發(fā)事故。Duringthepressuretest,thealertropeshallbeusedtoringthesafetyrangeofthetank,andunrelatedpersonnelshallnotapproachwithoutauthorization.4試壓時(shí)隨時(shí)注意環(huán)境溫度的變化，監(jiān)視壓力表的讀數(shù)，防止發(fā)生超壓現(xiàn)象。Duringthepressuretest,payattentiontothevariationoftheambienttemperatureanytime,soastoavoidoverpressure.5試壓過程中，如發(fā)現(xiàn)有異常響聲、壓力下降或加壓裝置發(fā)生故障燈不正?，F(xiàn)象時(shí)，應(yīng)立即停止試驗(yàn)，并查明原因。Duringthepressuretest,incaseofanyDuringtheabnormalnoise,pressuredroporabnormalityarisenfro