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CSPCNANHAIPETROCHEMICALSPROJECTCSPC南海石化項目WorkingInstruction

OfCoolingWaterPipelinesInstallation循環(huán)水管道安裝作業(yè)指導書ProjectProcedure:WI-8710-8100-2005項目程序:WI-8710-8100-2005SEPCOElectricalPowerConstructionCorporation山東電力基本建設總公司版次日期出版原因編寫校核審查批準A17July03IssueForReviewAndApprovalDiaoyanhuaLiHongJuChenHuiYouDingPeiSheng0031August03IssueforimplementationDiaoyanhuaLiHongJuChenHuiYouDingPeiSheng0127October03ReissueforimplementationLiudongxianTiandexunZhaoxieShideping0215November03ReissueforapprovalLiudongxianTiandexunZhaoxieShideping0328November03ReissueforapprovalLiudongxianTiandexunZhaoxieShideping目錄contents1.0范圍scope32.0目的purpose33.0職責responsibility34.0概述general35.0編制依據(jù)reference46.0施工工藝及要求constructionprocessandrequirement47.0程序升版說明updatedescription178.0附圖attacheddrawing179.0工作安全分析(JSA)17范圍scope本程序適用于南海石化項目汽電聯(lián)產(chǎn)部分,四臺蒸汽輪機循環(huán)冷卻水管道(CW)安裝、檢驗和試驗。ThisprocedureisapplicabletotheCWpipes’erection、inspectionandacceptance.2.0目的purpose本程序規(guī)范循環(huán)水管道的安裝、檢驗和試驗,規(guī)定了管道的安裝工藝、順序以及施工中應注意的事項。Thisproceduredefinesthepipes’erectionprocess、flowandattenteditemstoensuringpipes’erection、inspectionandacceptance.3.0職責responsibility3.1山東電建二公司負責循環(huán)冷卻水(CW)玻璃鋼管道的安裝、檢驗和試驗。SEP2isresponsiblefortheerection,inspectionandacceptanceoftheGRPCWpipe.3.2山東電建一公司負責循環(huán)水管道的管溝開挖。SEP1isresponsibleforthepipechannel’sexcavation.3.3基建總公司負責接口協(xié)調(diào)和質(zhì)量驗收。SEPCOisresponsiblefortheinterfacecoordinationandqualityinspection.4.0概述general4.1廠區(qū)位于大亞灣北海岸附近,地下水位在地表1.5米,循環(huán)水母管管中心標高為3.35mHHD。TheS&PprojectlocatesattheroundofnorthcoastofDayabay.Theundergroundwaterlevelisat1.5moftheearth’ssurface.Thecentralelevationofcentralcoolingwatermainpipeis3.335mHHD.4.2循環(huán)冷卻水管道(CW)采用玻璃鋼夾砂管,剛度為SN5000,設計壓力為0.8MPa,介質(zhì)為淡水,設計溫度為80℃;工作壓力為0.464Mpa;輸送介質(zhì)為河水,水溫為34℃~42℃。ThecoolingwaterpipesareGRPpipe,whichstiffnessisSN5000,andthedesignpressureis0.8Mpa.Thepipesusefreshwater,thedesigntemperatureis80℃,theworkingpressureis0.464Mpa;thetransfermediumisriverwater,andtheworkingtemperatureis34℃~42℃.4.3循環(huán)水管道埋設在地下,主管為變截面設計,規(guī)格有DN2000、DN1500、DN1000,支管為DN800、DN600、DN200。另有少許DN100、DN40、DN15放水排氣管道。進口主管長度約200米,出口主管長度約250米。ThemainpipesofCWpipeswhichareundergroundarevariablecross-sectionpipes.Themainpipes’sizesareDN2000,DN1500andDN1000andthebranchareDN800,DN600andDN200.TherearealsosomedrainagepipeswhichsizesareDN100,DN40,andDN15.Thelengthoftheinletpipeisabout200mandtheoutletisabout250m.4.4DN>200mm的管道間采用雙”O(jiān)”型帶鎖緊承插接頭連接,短接管、支管和主管的連接采用現(xiàn)場開孔、粘結(jié)的方法;DN≤200mm的管道采用套管對接并粘結(jié)的連接方法。 Thepipeswhichdiameterismorethan200mmarejoinedbydoubleOtightsocket,Thenipple、mainandbranchpipesarejoinedthroughtappingorbonding.Thepipeswhichdiameterislessthan200mmarejoinedbysleevejointorbuttfelt.4.4汽機房兩側(cè)的循環(huán)水管道上側(cè)路面為混凝土鋪設的路面。Theupsideroad’ssurfaceofCWpipeonbothsidesofturbinehallisconcrete.5.0編制依據(jù)reference5.1DEP31.40.10.19《GRPpipelinesandpipingsystems》5.2GB50268-97《給排水管道工程施工及驗收技術(shù)規(guī)范》GB50268-97Supplyanddrainagepipeconstructionandacceptancetechnicalspecification.5.3QC-8420-8300-0002《循環(huán)水管道安裝質(zhì)量檢驗計劃》QC-8420-8300-0002Coolingwaterpipelineerectionqualityinspectionplan5.4施工圖紙constructiondrawing51-8230-8100-300051-8230-8100-3002~300551-8230-8100-3006(1/2)51-8230-8100-3006(2/2)51-8230-8100-3007~301044-8320-8100-0559~056144-8320-8100-0600~06105.5CECS129:01《埋地給水排水玻璃纖維增強熱固性樹脂夾砂管管道工程施工及驗收》Embeddedsupplyanddrainglassfiberreinforcedheathardeningresinsandpipeconstructionandacceptance5.6廠家資料《纖維纏繞玻璃鋼管安裝埋地手冊》Manufacturerdocument:《GRPpipelayingmanual》6.0施工工藝和要求constructionprocessandrequirement6.1循環(huán)水管道安裝的施工工藝流程圖:flowchartforCWpipeerection運輸管子、管件到現(xiàn)場transportpipeandfittingtosite溝槽開挖、驗收trenchexcavationandacceptance施工準備constructionpreparation運輸管子、管件到現(xiàn)場transportpipeandfittingtosite溝槽開挖、驗收trenchexcavationandacceptance施工準備constructionpreparation管溝回填trenchbackfill管道安裝pipeerection承插口打壓試驗hydraulictestforbellandsocket管溝回填trenchbackfill管道安裝pipeerection承插口打壓試驗hydraulictestforbellandsocket管道整體打壓試驗overallhydraulictestforpipe路面鋪砌roadpavement全部回填overallbackfill管道整體打壓試驗overallhydraulictestforpipe路面鋪砌roadpavement全部回填overallbackfill6.2主要機具tools6.2.1主要機具:16t汽車吊、50t汽車吊、潛水泵、手動試壓泵、電動試壓泵。Maintools:16ttruckcrane、50ttruckcrane,submergedpump,manualpump,motorpump6.3施工準備Installationpreparation6.3.1施工前仔細審閱圖紙,熟悉系統(tǒng)。Reviewdrawingscarefullybeforeconstruction.6.3.2了解規(guī)范和標準的要求,掌握質(zhì)量要求和驗收標準,簽質(zhì)量檢驗計劃。Understandtherequirementofspecificationandstandard,andmasterqualityrequirementandacceptancecodeandissueI&TPlan.6.3.3對施工人員進行安全、技術(shù)交底。Makesafetyandtechnologyclarificationtotheconstructionpersonnel.6.3.4溝槽驗收channelacceptance管溝截面尺寸符合圖紙51-8230-810-3002。Thesectionsizeofpipechannelapplieswithdrawing51-8230-810-3002.墊層厚度符合設計要求(150mm),并夯實(夯實程度為95%SPD);墊層應平整,用水準儀每12米檢測一次墊層的標高。Thepipesandbeddingmeetdesignrequirements(150mm)andramdown.(Theramextentis95%SPD).Smooththecushionandchecktheelevationofcushionatevery12metersbyusingoflevel.管溝無滑坡、積水、淤泥。由于開挖深度超過地下水位,應設置臨時排水溝或集水坑。Thereisnoslipslope,seeperandsiltofthetrench.Astheexcavationdepthisoverundergroundwaterlevel,setuptemporarydrainditchandsumppit.承插口安裝處的凹槽開挖完畢,凹槽尺寸符合設計要求,以便于整個管身底部放在砂墊層上,均勻受力。Theexcavationofthejointgrooveiscompletedandthegroovesizemeetsdesignrequirements.Thus,placethebottomofpipeonthesandcushiontobearforceevenly.彎頭、三通、變徑管、盲端、閥門等處的固定支墩充分凝固并安裝完畢,符合設計要求。Thefixedpiersattheelbow,tee,reducingpipe,pipeendsideandvalveshouldbehardenedfullyandcompletederectingtomeetingdesignrequirement.6.3.5管道的運輸及現(xiàn)場布管pipetransportationandlayingatsite裝卸時須使用專用的吊裝索具(纖維繩),防止碰損。運輸時應墊穩(wěn)、綁牢,不得相互撞擊,在運輸?shù)浆F(xiàn)場過程中要有技術(shù)管理人員監(jiān)護。Whenloadingandunloading,specialslingsshouldbeusedtopreventdamage.Thepipeshouldbesteadyandboundfirm.Itisnotallowedtofouleachother.Atechnicalmanagementpersonmustmonitorthetransportation.由于管道安裝為逆水流方向安裝,因此將管子、管道連接附件等依次沿一側(cè)管溝擺放。特別注意應將每根管的承口朝向設計水流相反的方向。管道安裝的詳細順序見附圖1Asthepipeerectiondirectionisthereversecurrentdirection,thepipe,fitting,etc.shouldbeputalongonesideofthechannel.Payspecialattentiontothebelldirection.Itshouldbeexposedtotheoppositedirectionofthecurrent.Thedetailsequenceofpipeerectionseesattacheddrawing1.檢查管材、管件的合格證,對管材的規(guī)格、配合尺寸、外觀等進行全面檢查。Checkthecertificateoftubesandpipemeterials.Finalcheckthespecification,matchingsizeandappearance.管道存放時應均勻支撐,防止管材變形、碰損。Thepipeshouldbesupportedevenlywhenplacingtopreventdeformationanddamageofthetubes.6.4管道安裝pipeerection6.4.1根據(jù)施工順序及現(xiàn)場情況,吊車的擺放及行走路線見附圖1。Accordingtotheconstructionsequenceandsitecondition,thearrangementofthecraneandtravelingrouteseeattacheddrawing1.6.4.2根據(jù)管道布置圖和管道的安裝方向,將第一根要安裝的管道用起重機緩慢吊入到管溝內(nèi),開始安裝。Accordingtothepipearrangementdrawinganderectiondirectionofthepipe,liftthefirstpipetobeerectedslowlybycranetothetrench,thenbegintoerect.安裝前應對管道進行復查,無標志、無編號或有缺陷者須查清修補后方可使用;承插口、橡膠圈應進行清理,不得有泥沙等雜物黏連。Reviewthepipebeforeerection.Thepipewithoutdesignation,numberandwithdefectcouldbeusedafterrepair.Cleanthebellandsocketandrubberring.Nosilt,etc.shouldadhere.用水準儀檢查管子的標高,標高偏差值值應在+30mm與-30mm之間。Checktheelevationofthepipebywaterlevel.Thetoleranceshallbewithin+30mm/-30mm.用線墜檢查管子的坐標,坐標偏差值應在+30mm與-30mm之間。Checkthecoordinateofthepipebywiregauge.Thetoleranceshallbewithin+30mm/-30mm.6.4.3然后,安裝下一節(jié)管道。連接前檢查承口和插口,在承口上安裝打壓嘴。Then,erectnextpipe.Checkthebellandsocketbeforeconnectinganderectnozzleonthebell.復查承口內(nèi)是否光滑,有無縱向的溝槽或直徑超過1.5mm的氣泡,如發(fā)現(xiàn)有溝槽或直徑超過1.5mm的氣泡,應在廠家技術(shù)人員指導下修復。。Reviewwhetherthesurfacewithinthebellissmoothandwhetherthereisanylongitudinalditchorairbubblewithdiameterover1.5mm.Anylongitudinalditchorairbubblefoundshallberepairedunderthedirectionoftechnicianfrommanufacturer.復查插口,其外表應光滑,無突出處?!癘”型圈槽的臺階及端面應無分層現(xiàn)象。如有則應在廠家技術(shù)人員指導下修復。Reviewwhetherthesurfaceofthesocketissmoothandwhetherthereisanyprotrusion.ThestepandendfaceofOrubberringmustnothaveanydelaminationphenomenon.Thedelaminationifanyshallberepairedunderthedirectionoftechnicianfrommanufacturer.復查“O”型橡膠圈,橡膠圈應無裂紋、氣泡、疙瘩、雜質(zhì)等。如有則應更換“O”型橡膠圈。Reviewwhetherthereisanycrack,airbubble,knobandforeignmatterontheOrubberring.Replacetheringifanyoftheaboveisfound.6.4.4將要連接的管段插口和承口調(diào)平、對中,清理連接區(qū)、環(huán)槽,并均勻涂上一層潤滑油,然后將“O”型圈套在插口環(huán)槽內(nèi),在“O”型圈套上也均勻涂上一層潤滑油。Adjustandalignthesocketandbelltobeconnected.Cleanjointingareaandringchannel.Coatalayeroflubricationevenly.PutOringtotheringchannelofthesocket.CoatalayeroflubricationonthesurfaceofOringevenly.6.4.5管道吊入管溝內(nèi)后,用龍門架(龍門架制造圖見附圖2)和手拉葫蘆等工具進行管口對接。管溝內(nèi)設專人指揮將插口對準前一管的承口,調(diào)整兩管在同一直線上,用兩只倒鏈對稱拉緊,將待安裝的管道拽進已安裝的管道承口內(nèi)。Afterthepipeislifttotheditch,joinbygantryframe(seeattachmentdrawing2)andchainblock.Aspecialpersonshouldbeassignedtodirectthejoin.Adjusttwopipesonthesameline.Tightensymmetricallywithtwochainblocks.Dragthepipetobeerectedintotheerectedbell.通常在插口上畫出深度限位線。安裝時,只需將插口拉進到限位線即可。Generally,drawthedepthlimitinglineonthebell.Itisonlyneedtopullthesockettothelimitinglinewhenerection.檢查管道的標高、坐標。Checktheelevationandcoordinateofthepipe.檢查承插口接頭的轉(zhuǎn)角,不得大于下表中的規(guī)定:Checktheturningontheconnectionofthebellandsocket.Thevalueoftheturningshouldbenomorethanthebelow.管道直徑Pipediameter(mm)許用轉(zhuǎn)角Allowableturning(°)管道偏移量(mm)Pipedeviation管道曲率半徑(m)Pipecurvatureradius3m6m12m3m6m12m<500315731462857115229500—900210520941986172344900--1800152105209172344688>18000.526527834468813766.4.6承插口打壓試驗,檢查雙"O"型密封圈的密封效果。Whenmakingbulgetestonthebellandsocket,checkthesealonthedoubleOsealingring.如承口上的打壓嘴在管道正上方,按照下列圖示連好裝置,加水打壓至管道設計壓力的1.5倍(12bar)。Ifthebulgemoutherectedonthebellandsocketisdirectlyaboveonthepipe,erectequipmentsaccordingtotheabovedrawing.Wateringuntilthepressurereach1.5timesofthepipedesignpressure(12bar).如承口上的打壓嘴不在管道正上方,按照下列圖示連好裝置,加水打壓至管道設計壓力的1.5倍(12bar)。Ifthebulgemoutherectedonthebellandsocketisnotdirectlyabovethepipe,erectequipmentsaccordingtothedrawingbelow.Wateringuntilthepressurereach1.5timesofthepipedesignpressure(12bar).試驗介質(zhì)采用潔凈的水。Thetestmediumusecleanwater.保壓10分鐘,根據(jù)壓降情況和泄漏情況檢查承插口的壓密性。Keepthepressurefor10minutes.Checkthetightnessofthebellandsocketaccordingtothepressuredropandleakage.如果承插口水壓試驗時不合格,須將不合格管段退出,重新進行安裝、試驗。退管應在廠家技術(shù)人員的指導下進行,防止退管時損壞管道承插口。Ifthebellandsocketisnotqualifiedwhenhydraulictest,dropouttheunqualifiedpipesection.Erectandtestagain.Pipewithdrawingshouldbedoneunderthemanufacturer’stechnicianinstruction.Bellandsocketofthepipeispreventedtobedamagedwhenpipewithdrawing.試驗完畢進行泄壓,因水量很少,直接排出少量水即可。Relievepressureaftertest.Dischargesomewaterdirectlyfortheamountofwaterisnotmuch.6.4.7試驗合格后,通過承口端的鎖緊棒的穿孔插入尼龍棒,通過尼龍棒的抗剪切能力來抗管道產(chǎn)生的軸向應力,插入前要在尼龍棒上均勻涂上潤滑油,不得有泄露,通過承口上的插入孔,向內(nèi)擠壓尼龍棒,注意應保證尼龍棒始終沿插口的切線方向推進,在推進的過程中要均勻用力,防止尼龍棒折斷。直到規(guī)定的長度完全插入。Afterthetestisqualified,insertthenylonbarthroughtheholeofthelockingrodonthebell.Usetheshearresistantabilitytoresisttheaxialstressarousedbythepipe.Thenylonbarshouldbecoatedlubricationoilevenlybeforeinsertion.Noleakageisallowed.Squeezethenylonbarthroughtheinsertholeonthebell.Payattentiontoensurethenylonbarshallbepushedalongtangentdirectionofthebell.Forceevenlywhenpushingtopreventthenylonbarbreakingtillthespecifiedlengthinsertcomplete.6.4.8上述工作完成后立即回填,承插口處應預留。管區(qū)采用分層回填,回填要求應符合GB50268-97《給排水管道工程施工及驗收技術(shù)規(guī)范》及圖紙51-8230-8100-3002上的要求。Backfillimmediatelyafterthecompletionoftheabovework,thesocketlshallbeobligated.Layeringbackfillshallbeadopted.BackfillrequirementsshallapplywithGB50268-97Supplyanddrainagepipeconstructionandacceptancetechnicalspecificationanddrawing51-8230-8100-3002.6.5部分主管和支管的連接采取現(xiàn)場開孔、粘結(jié)的連接方法,黏結(jié)處整體水壓試驗前不可回填,黏結(jié)工作由廠家技術(shù)人員完成,黏結(jié)時應考慮天氣對黏結(jié)工作的影響,并要有防塵保護措施。膠結(jié)過程應在2小時內(nèi)完成。由廠家檢測黏結(jié)質(zhì)量。黏結(jié)部位待整體水壓試驗合格后進行回填,。Theconnectionofthemainpipeandbranchusesitetappingandbonding.Nobackfillisallowedbeforeoverallhydraulictestofthebonding.Bondingworkshallbedonebytechnicianfrommanufacurer.Considertheinfluenceoftheweathertothebondinganddustprotectionmeasuresshouldbetaken.Cementingshouldbefinishedwithin2hours.Backfillaftertheoverallhydraulictestisqualified.6.6閥門的安裝Erectionofvalves6.6.1閥門到貨后應對閥門進行全面檢查,廠家資料應齊全,表面無沙眼,操作機構(gòu)靈活,水壓試驗合格。Carryoutanoverallinspectionafterthearrivalofvalves.Manufacturer’sdocumentshallbecomplete.Thereisn’tanyairpocketonthevalvesurfaceandtheoperationalpartshallbeflexible.6.6.2閥門搬運時不得損壞閥門,應按廠家要求儲存閥門。Donothurtvalvesduringtransportation.Storethemaccordingtomanufacturerrequirements.6.6.3閥門安裝根據(jù)介質(zhì)流向確定其安裝方向。Determinetheerectiondirectionaccordingtothemediumflowdirection.6.6.4檢驗閥門安裝的支撐,確定牢固后進行閥門的安裝,閥門的安裝位置應準確無誤。Inspectthesupportofvalveerectionandmakesureitisfirm.Theerectionpositionofthevalveshouldbecorrect.6.6.5閥門的墊片應平整,表面光滑,如表面有氣泡、溝槽,應更換合格墊片。Thevalvegasketshallbeflatandsmooth.Anygasketwithairbubbleorditchchannelonthesurfaceshallbereplaced.6.6.6閥門安裝前應清理干凈,自然連接,無強力連接。Beforeerection,valvesshallbecleanedupandtheconnectionshallbenaturely,withoutanyforcedconnection.6.6.7將安裝上的閥門進行調(diào)整,調(diào)整合適后將底角螺栓進行澆灌,固定閥門。Adjusttheerectedvalvesandthenpourthebaseboltstoanchorvalves.6.6.8檢查閥門的操作機構(gòu),操作機構(gòu)應靈活準確,無卡澀現(xiàn)象。Inspecttheoperationalpartofvalve.Makesureitisflexiblyandprecise.Noblockandunsmoothexist.6.6.9轉(zhuǎn)矩限制機構(gòu)的保護動作準確、可靠。開度指示機構(gòu)指示位置應正確。Protectionactionoftorquelimitmechanismshallbecorrectandreliable.Thedenotingpositionoftheopeningdenotingmechnismshallbecorrect.6.7過路管的安裝erectionofthepipecrossingroad6.7.1管道過路采用C20混凝土包層對玻璃鋼管道進行保護。GRPpipeshouldbeprotectedbyC20concretecladwhenthepipeiscrossingtheroad.6.7.2安裝過路管時,須在玻璃鋼管外表面纏上橡膠板或墊板作保護材料,同時在路的另一側(cè)設置一固定鋼支架,將倒鏈或緊繩器將玻璃鋼管從混凝土包層內(nèi)拉出,然后按正常連接方法將管道連接。Whenerectingthepipecrossingtheroad,twistrubberplateorbackplateontheoutsidesurfaceoftheGRPpipeasprotectionmaterial.Atthesametime,setafixedsteelsupportontheothersideoftheroad.DrawtheGRPpipefromtheconcretecladusingchainblockoreuphroe.Thenconnectthepipeusingthenormalconnectingmethod.6.7.3管道和混凝土包層間應采用水泥砂漿進行填充,填充時的最大灌漿壓力不得大于0.54bar。Fillthespacebetweenthepipeandtheconcretecladusingcementmortar.Themaximumgroutingpressureshouldbenomorethan0.54barwhenfilling.6.8 管道法蘭安裝erectionofpipeflange6.8.1法蘭安裝前,應檢查法蘭的壓力等級、規(guī)格、尺寸等參數(shù)是否符合設計要求,廠家資料應齊全。Checkwhetherthepressureclass,specificationandsizeoftheflangemeetthedesignrequirementbeforeerection.Manufacturer’sdocumentshallbeallcomplete.6.8.2 對檢查法蘭的密封面及密封墊片進行外觀檢驗,不得有影響密封性能的缺陷存在。Checkthesealingsurfaceandsealinggasketoftheflangevisually.Nodefectaffectingsealingperformanceexists.6.8.3檢查法蘭端面的垂直度,偏差不大于1mm。Checktheverticalityoftheflangeend.Thedeviationshouldbenomorethan1mm.6.8.4搬運法蘭不得碰壞法蘭的接觸面,應按生產(chǎn)廠家的要求進行存放。Theflangeinterfacemustnotbecollidedduringtransportation.Flangestorageshallmeetthemanufacturer’srequirements.6.8.5法蘭連接應保持同軸,并使用同一規(guī)格螺栓、螺母,安裝方向應一致,緊力均勻,并應露出2~3扣,螺紋處涂二硫化鉬。Theflangeconnectionshouldkeeponthesameaxleandusetheboltwithsamespecificationandsameerectiondirection.Tightensymmetricallyandevenly.Theextrusionlengthofthescrewshouldbe2-3timesofthepitch.Supramolyshallbecoatedonthescrewthread. 現(xiàn)場水壓試驗hydraulictestonsite管道在試驗前應具備下列條件:Thefollowingconditionsshouldbeavailablebeforetest:管道的坐標、標高、坡度檢查合格,除黏結(jié)處及承插口處露外,回填完畢。Thecoordinate,elevationandslopeofthepipeshouldbecheckedqualified.Backfillcompleteexceptthebondingconnectionandtheexposurepartofsocket.所有支管設置好堵板。Closureplateshallbeequippedforallbranchpipes.管道內(nèi)部雜物清理干凈。Cleantheinnersundriesinsidethepipe.管道系統(tǒng)上不參與試壓的設備、儀表、閥門等隔開,不得有安全閥、水錘消除器等附件。Blockofftheequipment,instrumentandvalvewhicharenotinvolvedinthetest.Noattachment,suchassafetyvalve,waterhammerandsilencerexist.試驗用臨時管道、閥門及壓力表等安裝完成,試驗用壓力表采用Y-150型,精度不低于1.5級,使用前應校正。Theerectionoftemporarypipe,valveandmanometerfortestarecomplete.UsethepressureguageofY-150.Theprecisionofthemanometerisnolessthan1.5degree.Adjustitbeforeuse.試驗段兩端封閉完成,不得采用閘閥作為堵板。臨時排水管道完成。Afterthebothendsofthetestsectionarefinished,itisnotallowedtousewedgevalveasplug.Temporarydrainagepipeiscomplete.管件的支墩、錨固設計已經(jīng)達到設計強度,未設支墩及錨固設施的管件,應采取加固措施。Thepierandanchorofthepipeisuptothedesignstrength.Reinforcementmeasuresshouldbetakenforthepipewithoutpierandanchor.注入試驗用水:waterfortestfilling試驗用水用Ф100的軟管從距試驗點最近的水源取水。ThewaterfortestisgotfromthenearestwatersourcefromthetestpointbyФ100hose.充水時為防止水錘沖擊,應緩慢充水,充水速度約為0.6m/s,最大不超過1.8m/s。此時,應打開管道高處的排氣閥1,待水灌滿后,關(guān)閉排氣閥和進水閥。Fillslowlytopreventwaterhammerstrikingduringwaterfilling.Thefillingspeedisabout0.6m/sandnotover1.8m/s.Atthistime,openeachhighventvalveonthepipe,Closetheventvalveandinletvalvewhenthewaterisfilledfull.將管道進行充分浸泡,浸潤時間為24小時。Soakthepipecompletelyfor24hours.用電動試壓泵試壓,壓力逐漸升高,加壓到一定數(shù)值時,停下來對管道進行檢查,無問題時繼續(xù)加壓,升至試驗壓力的時間不得小于1小時,以減少沖擊力。水壓試驗用于檢驗管道的強度,試驗壓力為1.5倍的設計壓力(12bar)。Testthepressurebymanualhydraulictestpumpormotortestpump.Thepressurewillbeincreasedgradually.Whenthepressurereachesacertainvalue,stopandcheckthepipe.Ifthereisnoproblem,increasethepressurecontinually.Thetimeforpressureincreasingtothetestpressureisnolessthan1hourthustodecreasetheimpactforce.Thehydraulictestisusedtotestthestrengthofthepipe.Thetestpressureis1.5timesofthedesignpressure(12bar).用泵加壓至工作壓力(4.64bar)時,暫停打壓,檢查管道有無泄漏。如無泄漏,繼續(xù)升壓到試驗壓力,保壓30分鐘,檢查接口、管身及壓力表等部件無破損及漏水現(xiàn)象時,如在試驗溫度下觀察10分鐘,下降壓力值不超過0.05Mpa,可認為合格。特別是三通、四通等現(xiàn)場粘結(jié)的附件,應檢查位置是否偏移、有無超過驗收標準規(guī)定的可見缺陷。Whenthepressureisincreasedtotheworkingpressurebypump(4.64bar),stopandchecktheleakageofthepipe.Ifthereisnoleakage,increasethepressurecontinuallytothetestpressure.Keepthepressurefor30minutes.Checktheconnection,pipebodyandmanometer.Ifitisobservedfor10minundertesttemperatureandthepressurereduceiswithin0.05Mpa,thenitisconsideredeligible.Whencheckingtheteeandcross,checktheobviousdefects,suchasdeviationandoverthestatementoftheacceptancestandard.水壓試驗合格后,可進行管道嚴密性試驗,用于檢驗管道的嚴密性。Afterthehydraulictestisqualified,makeleakagetestofthepipetochecktheleakage.嚴密性試驗壓力為1.1倍的設計壓力Thepressureforleakagetestis1.1timesofthedesignpressure.保壓時間不少于24小時,符合滲水量的標準可認為合格。滲水量標準見下表:Thetimeforkeepingthepressureshouldbenolessthan24hours.Itcannotbeconsideredeligibleuntiltheseepagestandardreaches.Theseepagestandardseethebelow:滲水量試驗管徑(mm)pipediameterforseepagequantitytest管道水壓試驗允許滲水量(L/min?Km)Allowableseepageforpipehydraulictest檢驗方法和器具Checkmethodandinstrument1001.40按GB50268進行。Accordingtothearticle64inGB502682001.986003.448003.9610004.4215005.0020006.26試驗過程中,每30分鐘記錄一次管道壓力。Recordthepipepressureevery30minutesduringtest.6.9.5水壓試驗完畢后,將進水管上閥門關(guān)閉,打壓用水不再排出。Afterthehydraulictestiscomplete,closethevalveontheinletpipe.Thewaterforthehydraulictestwillnotbedrained.6.9.6水壓試驗時,用專用堵頭封住試壓段的兩端,并和支撐貼緊,以防止打壓時管道沿軸向位移。Closethebothendsofthehydraulicsectionwithspecialplugwhenhydraulictestingandkeepclosetothesupporttopreventthepipedisplacingalongtheaxialdirection.6.9.7如果進行嚴密性試驗時,試驗壓力下降,那么可以采用下列方法決定管道是否嚴密:Ifthetestpressuredropswhenmakealeakagetest,determinewhetherthepipeistightusingthefollowingmethod:試驗段打壓至試驗壓力(1.1倍的設計壓力)后,每個小時記錄試驗壓力。如果壓力下降,采用補充水后重新加壓至試驗壓力。這樣通過補水重新打壓的方法保持24小時。Afterthepressureofthetestsectionreachesthetestpressure(1.1timesofthedesignpressure),recordthetestpressureeachhour.Ifthepressuredrops,increasethepressureagaintothetestpressurebyrefillingwater.Thismethodshouldbeusedwithin24hours.如果發(fā)現(xiàn)的每小時補水數(shù)量逐漸減少,應觀察補水量是否符合以上規(guī)定,如符合,那么就可以認為管道嚴密;如果不符合,那么可以認定管道不嚴密。Ifitisfoundthatthequantityofrefillingwaterisdecreasinggradually,observewhetherthequantityofrefillingwatermeettheabovestatement.Ifso,thepipeisconsideredtight.Ifnot,thepipeisconsiderednottight.6.9.8水壓試驗合格后進行整體回填并夯實,發(fā)現(xiàn)問題應及時處理,處理完畢重新進行試驗,只到水壓試驗合格為止。Afterthehydraulictestisqualified,makeanoverallbackfillandramdown.Treatwiththeproblemfoundintime.Thenmakeahydraulictestagaintillthetestisqualified.7.0附圖。Attacheddrawing8.0工作安全分析(JSA)附后。JSAisattachedbelow.DrawingDrawing:1附圖:1UNIT:mm單位:mm15000InstallOrderFromWestToEast安裝順序由東向西15000150001500015000InstallOrderFromWestToEast安裝順序由西向東15000CraneTravelAndPutLine吊車行走及擺放路線CraneTravelAndPutLine吊車行走及擺放路線constructioninceptdrop施工起始點CraneTravelAndPutLine吊車行走及擺放路線InstallOrderFromNorthToSouth安裝順序由北向南InstallOrderFromSouthtoNorth安裝順序由南向北UNIT:mm單位:mm15000InstallOrderFromWestToEast安裝順序由東向西15000150001500015000InstallOrderFromWestToEast安裝順序由西向東15000CraneTravelAndPutLine吊車行走及擺放路線CraneTravelAndPutLine吊車行走及擺放路線constructioninceptdrop施工起始點CraneTravelAndPutLine吊車行走及擺放路線InstallOrderFromNorthToSouth安裝順序由北向南InstallOrderFromSouthtoNorth安裝順序由南向北200030002500200030002500AJOBSAFETYANALYSIS工作安全分析Date(日期):JobTitle工作名稱:PipeTransportation管道運輸Location地點:Jobsite施工現(xiàn)場JSANoJSA編號:DEPARTMENT部門:汽機工程處SUPERVISOR主管人:TITLEOFPERSONWHODOESJOB工作執(zhí)行人職務:PREPAREDBY編制:REVIEWEDBY審查:APPROVEDBY批準:EnvironmentalConditions:環(huán)境條件Inside內(nèi)部Outside外部Cold冷Heat熱Wet濕Dust灰塵Vapors/Mist水汽Noise噪音Vibration震動Other其它HeavyRain大雨P(guān)rimaryJobFunctions&Position基本工作行動Lifting舉重Grasping抓取Pushing推Sitting座Reaching延伸Bending彎曲Kneeling跪Standing直立Pulling拖Squatting蹲Other其它SEQUENCEOFBASICJOBSTEPS工作步驟POTENTIALHAZARD潛在危險風險評估RAM(H、M、L)RECOMMENDEDACTIONORPROCEDURE控制行動措施ACTIONBY執(zhí)行人DATEDUE完成日期REMARK備注Controlofdriver駕駛?cè)藛T的控制Specialinjurycausedbycollisionorupsetofvehicle由撞車、翻車等引起的特殊傷害Mdrivershallundertakehisworkwithhislicense.hemusthavemuchexperienceondriving.itisstrictlyprohibitedtodrinkduringtransportation.車輛駕駛?cè)藛T要持證上崗,并且駕駛經(jīng)驗豐富,駕駛?cè)藛T在運輸過程中,嚴禁飲酒.Requirementfortransportvehicle運輸車輛的要求Injurebymovingvehicle車輛移動傷害Ltransportationvehiclemusthavegoodsafetyperformance.運輸車輛車況安全性能必須良好,Pollutionduetooilspill車輛露油造成環(huán)境污染Lleakageisstrictlyprohibited.嚴禁有泄露現(xiàn)象的發(fā)生。Pipeenclose管道的封閉Strikingagainstorstruckbymovingobject移動物體打擊Mitisnotallowedtomovevehicleduringpipeenclose.donotcastfastenrope.管道封閉過程中,車輛嚴禁移動。封車繩不可拋扔。Pipeslideduetounstableenclose管道封閉不牢滑落Lafterloadingonpipes,enclosepipesecurelyinthetruck.checktheropeconditionattimes.管道應封車牢固,運輸過程中要定時檢查。Traveloftransportationvehicle運輸車輛的行駛Injurebymovingvehicle車輛移動傷害Lthespeedoftransportationvehiclecannotexceed30km/handcannotexceed15km/hafterenteringjobsite.運輸車輛在行駛的過程中,車速不得超過30公里/小時,進入現(xiàn)場車速不得超過15公里/小時。Controlofcompetentpersonnel監(jiān)護人員的控制Slip,triporfallonsamelevel滑倒、絆倒或墜落;Ltakecareoftheroadunderfootwhilewalking.行走過程中注意腳下。Injurebymovingvehicle車輛移動傷害;Mduringtransportation,competentpersonnelcannotsitinthecarriageorwalkinfrontofthevehicle,keepatleast2mawayfromthevehicle運輸車輛在行駛過程中,監(jiān)護人員不得坐在車廂內(nèi),不得在車輛前走動,距行使車輛距離應在2米外。ListofSpecificHazards詳細風險列表:潛在危險編號中第3、6、7、12、13、17、21項。ChemicalList化學列表JSA實施總結(jié)及措施改進施工主管人:日期:CodeofPotentialHazards潛在危險編號Trappedinorbetweenobjects.圍困2.Injuredwhistliftingorcarrying.舉起或搬運受傷3.Slip,triporfallonsamelevel滑倒絆倒或墜落4Fallofpersonfromheight高空墜落5Strikingagainstfixedorstationaryobject固定物體打擊6.Strikingagainstorstruckbymovingobject移動物體打擊7steppingonobject踏在物體上8Exposuretoorcontactwithharmfulsubstance接觸或揭漏有害物9Contactwithelectricityorelectricdischarge觸電10Trappedbycollapsingoroverturningobject毀壞或傾翻物體而受限11struckbyfallingobject落物傷人12Injurebymovingvehicle車輛移動傷害13contactwithmovingmachineryorobjectbeingmachined接觸移動機械14Exposuretofire火災15Exposuretoexplosion爆炸16Injurybyhandtool傳遞工具傷害17Injurebyfallofground地面跌倒傷害18Asphyxiation窒息19Contactwithhotsurfaceorsubstance燙傷20poising懸空21specific特殊參加培訓交底人員簽字:HSE監(jiān)護人簽字:施工主管人簽字:BJOBSAFETYANALYSIS工作安全分析Date(日期):JobTitle工作名稱:loadingandunloadingofpipe管道裝卸車LOCATION地點:Jobsite施工現(xiàn)場JSANoJSA編號:DEPARTMENT部門:汽機工程處SUPERVISOR主管人:TITLEOFPERSONWHODOESJOB工作執(zhí)行人職務:PREPAREDBY編制:REVIEWEDBY審查:APPROVEDBY批準:EnvironmentalConditions環(huán)境條件Inside內(nèi)部Outside外部Cold冷Heat熱Wet濕Dust灰塵Vapors/Mist水汽Noise噪音Vibration震動Other其它HeavyRain大雨P(guān)rimaryJobFunctions&Position基本工作行動Lifting舉重Grasping抓取Pushing推Sitting座Reaching延伸Bending彎曲Kneeling跪Standing直立Pulling拖Squatting蹲Other其它SEQUENCEOFBASICJOBSTEPS工作步驟POTENTIALHAZARD潛在危險風險評估RAM(H、M、L)RECOMMENDEDACTIONORPROCEDURE控制行動措施ACTIONBY執(zhí)行人DATEDUE完成日期REMARK備注Loading裝車舉起或搬運受傷DamagewhenliftingandhandlingL搬運物體注意周圍環(huán)境。Payattentiontothearoundwhenhandling.觸電ElectricshockM車上方有電線時,要有防觸電措施。Electricshockmeasuresshouldbetakenwhenthetherearewiresoverheadonthevehicle.移動物體打擊StrikingbymovingobjectH管件不可拋扔,管道放置時小心謹慎。Thepipefittingscannotbethrew.Takenoticewhenplacingthepipe.高空墜落FallfromoverheadM當車的高度高于1.8米時,應有防墜落措施。Fallpreventionmeasuresshouldbetakenwhentheheightofthevehicleisabove1.8m.車輛移動傷害Damagebyvehiclemovin

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