某室外中壓電纜敷設(shè)施工方案

TDItrain-InfrastructureElectricalSystemInstallationMVCablePullingConstructionPlanTDI聯(lián)合裝置-基礎(chǔ)設(shè)施電氣系統(tǒng)安裝中壓電纜敷設(shè)施工方案B11/30/2009ISSUEDFORCOMMENTSA11/26/2009ISSUEDFORCOMMENTSRevDateDD/MM/YYSTATUSPREPAREDBYCHECKEDBYAPPROVEDBYDOCUMENTREVISIONS目錄ContentTOC\o"1-5"\h\z\o"CurrentDocument"一. 概況OVERVIEW 3\o"CurrentDocument"工程概況PROJECTOVERVIEW 3\o"CurrentDocument"施工范圍SCOPEOFWORK 3\o"CurrentDocument".編制依據(jù)COMPILATIONBASIS 4\o"CurrentDocument". 施工工藝流程:CONSTRUCTIONPROCESS 4.前期準(zhǔn)備PREPARATION. 4技術(shù)準(zhǔn)備TECHNICALPREPARATION. 4\o"CurrentDocument"材料準(zhǔn)備MATERIALPREPARATION 5\o"CurrentDocument"主要機具準(zhǔn)備MAINEQUIPMENTPREPARATION 5\o"CurrentDocument"作業(yè)環(huán)境準(zhǔn)備WORKENVIRONMENTPREPARATION 6敷設(shè)施工WORKOFCABLEPULLING 6電纜敷設(shè)施工工序WORKPROCEDURE 6機具布置LAYOUTOFTOOLS. 6電纜的搬運及支架架設(shè)CABLEREMOVALANDCABLETRAY. 6\o"CurrentDocument"卷揚機與滑輪的布置WINCHANDPULLEYARRANGEMENT 6\o"CurrentDocument"電纜展放LAY-OFFCABLE. 9電纜敷設(shè)、固定CABLELAYINGANDFIXING. 11覆砂蓋磚SPREADSANDANDCOVERBRICKS 12回填土BACKFILLEARTH 12埋標(biāo)樁BURYINGSTAKE. 12掛標(biāo)志牌HANGINGSIGNS 12十.質(zhì)量控制QUALITYCONTROL 121主控項目MASTERITEMS 122一般項目GENERALITEMS 13十一一.成品保護(hù)FINISHEDPROTECTION 13十二.質(zhì)量記錄QUALITYRECORD 13質(zhì)量保證資料QUALITYASSURANCEINFORMATION. 13施工記錄CONSTRUCTIONOFRECORD 14十三.安全生產(chǎn)、文明施工要求和措施SAFETYANDCIVILIZEDCONSTRUCTIONREQUESTSANDMEASURES 14.概況Overview工程概況ProjectOverview項目名稱：TDI聯(lián)合裝置廠區(qū)中壓電纜敷設(shè)施工。Projectname:TDITrainPlantMediumVoltageCablePullingWork.本工程涉及三個變電站，分別是現(xiàn)有的220/35kVA472變電站、現(xiàn)有的35/10kVB301S變電站以及新建的35/10kVC581變電站，工作內(nèi)容為三個變電站之間和從三個變電站接至MV用戶的電力電纜、控制電纜、接地電纜的敷設(shè)。Theprojectinvolvesthreesubstations,namelytheexisting220/35kVA472substation,theexisting35/10kVB301Sthe35/10kVC581substationandanewsubstation.Thisisthepower,controlandgroundingcablepullingamongthreesubstationsandforMVusersconnectedtothethreesubstations.施工范圍ScopeofWorkA472建筑(220/35kV變電站)出線回路：A472Building(220/35kVsubstation)outletcircuit由A472變電站引出3路35kV出線。其中：一路引至B301S建筑(35/10kV變電站)原1#主變，原1#主變電纜將抽出，與新增4#主變連接；另兩路引至35/10kVC581變電站1#主變和2#主變。回路采用FS-YJY-26/35kV-1*300mn2單芯電纜，直埋敷設(shè)。去C581的兩路35kV線路，敷設(shè)時沿不同路徑，以避免兩回線路同時受損。Pullthree35VoutgoingsfromA472substation.Ofwhich:ThefirstoutgoingisledtoB301SBuilding(35/10kVsubstation)theoriginalone#maintransformer,pulltheoriginalone#maintransformercableout,andconnecttotheadding4#maintransformer;theothertwooutgoingsareledto35/10kVC581#1andsubstation2#maintransformer.UseFS-YJY-26/35kV-1*300mm2single-corecablesforLoopandburiedpulling.Two35kVlinestoC581arelaidalongdifferentpathstoavoiddamageofthetwoloops.B301S建筑(35/10kV變電站)出線回路：B301Sbuilding(35/10kVsubstation)outletcircuit:由B301S變電站引出7路10kV出線。全部引至B399中心制冷站?；芈凡捎?0kV截面為95mm2的三芯鎧裝電纜，由B301S南面現(xiàn)有的電纜井引出直埋至裝置。Pull710kVoutgoingsfromB301SsubstationtoB399centralrefrigerationstation.Loopuses10kVthree-corearmoredcablewithcross-section95mm2andpulloutfromtheexistingcablewellinthesouthofB301Sthenburiedlaytothedevice.C581建筑(35/10kV變電站)出線回路：C581building(35/10kVsubstation)outletcircuit:由C581引出10路10kV線路，分別為A507的四臺變壓器，B551的兩臺變壓器，B553TDA裝置氫氣壓縮機2臺，C521鹽酸裝置氯氣壓縮機1臺，鹽酸壓縮機1臺提供電源。其中，變壓器回路采用10kV截面為185mm2的三芯鎧裝電纜，馬達(dá)回路采用10kV截面為95mm2的三芯鎧裝電纜。以上電纜線路均沿規(guī)劃路徑埋地敷設(shè)。1010kVlinesledfromC581areusedtosupplypowertoA507'sfourtransformers,B551twotransformers,B553TDA2setsofhydrogencompressorunit,C521hydrochloricacidchlorinegascompressorunit,andhydrochloricacidcompressorunitrespectively.Amongthem,transformercircuitusesx3-corearmoredcablewith10kVcross-section185mm2,motorcircuitusesthree-corearmoredcablewith10kVcross-section95mm2.Allcablelineswillbelaidundergroundalongtheplanningpath.4)接地電纜回路：Groundcableloop:從A472敷設(shè)一根95mm2裸銅線去C581,同時從C581敷設(shè)四根95mm2裸銅線，分別引至B551、A507、B553和C521,作等電位聯(lián)結(jié)。以上電纜線路均沿規(guī)劃路徑埋地敷設(shè)。Laya95mm2barecopperwiretoC581fromA472.MeanwhilelayfourbarecopperwirestoB551,A507,B553andC521forequipotentialbonding.Allcablelineswillbelaidundergroundalongtheplanningpath.Overview5）控制電纜回路：Controlcablecircuit:安裝在HCL裝置現(xiàn)場的3.6MW馬達(dá)上的電流信號通過一根直埋敷設(shè)的鎧裝控制電纜直接接入10KV開關(guān)柜。Thecurrentsignalinstalledon3.6MWmotorintheHCLdevicessitepassesthroughaburiedarmoredcontrolcabledirectaccessto10KVswitchgear.由變壓器出線柜去C581以外的變壓器，采用兩根分別為10*2.5mm2、4*2.5mm2屏蔽鎧裝控制電纜，由中壓轉(zhuǎn)接柜引出，與中壓電纜同路徑敷設(shè)至相關(guān)變壓器室。其中，10*2.5mm2電纜直接接至溫控箱，4*2.5mm2電纜可集中從某間變壓器室引出，沿橋架至相關(guān)PCS樓ATS柜。TransformeroutletcabinetsareconnectedtoothertransformersnotinC581byusingtwo10*2.5mm2,4*2.5mm2shieldsheathedcontrolcablerespectively.The10*2.5mm2cabledirectlyisconnectedtothetemperaturecontrolboxand4*2.5mm2cableareledoutfromtransformerroom,alongthebridgetotherelevantPCSfloorATScabinet.二.編制依據(jù)CompilationBasis1）根據(jù)電氣包（中壓部分）招標(biāo)文件及招標(biāo)圖紙編制而成。AccordingtoElectricpackage（MV）thetenderandtenderdrawings.2）在充分研究工程的客觀情況和施工特點，結(jié)合我公司類似工程施工經(jīng)驗的基礎(chǔ)上編制的。Basedonfullstudyonconstructioncharacteristicsandobjectivesituationandcombinedwithsimilarconstructionexperience.3）在本方案編制過程中，嚴(yán)格執(zhí)行國家現(xiàn)行建筑和安裝工程施工及驗收規(guī)范、規(guī)程、標(biāo)準(zhǔn)、設(shè)計規(guī)范。具體如下：Inthiscompilationprocess,strictlyimplementcurrentnationalconstructionandinstallationconstruction,acceptancenorms,procedures,standards,anddesignspecifications.Asfollows:《電氣裝置安裝工程電纜線路施工及驗收規(guī)范GB50168-2006》"ElectricalinstallationcableconstructionandacceptancestandardsGB50168-2006"《電氣裝置安裝工程接地裝置施工及驗收規(guī)范GB50169-2006》"ElectricalinstallationearthingconstructionandacceptancestandardGB50169-2006"《建筑電氣工程施工質(zhì)量驗收規(guī)范GB50303—2002》"BuildingElectricalConstructionQualityAcceptanceGB50303-2002"三.施工工藝流程：ConstructionProcess前期準(zhǔn)備一電纜直埋敷設(shè)施工一鋪沙蓋磚一回填土—埋標(biāo)志樁一掛標(biāo)志牌Preparation^Cableburiedpullingfspreadsandandbuildbricksfbackfill^burysignstakeshangsigns四.前期準(zhǔn)備Preparation技術(shù)準(zhǔn)備TechnicalPreparation1）針對本工程特點編審詳細(xì)的電纜溝施工作業(yè)指導(dǎo)書，及時組織圖紙會審。Compileparticularcabletrenchconstructionengineeringguidebookasperprojectcharacteristicsandorganizepromptlydrawingsjointexamination.2）根據(jù)上海市電力建設(shè)工程施工工藝實施細(xì)則結(jié)合本工程實際編寫電纜溝施工工藝卡，并組織實施。CompileconstructiontechniquecardsaccordingtotheShanghaiMunicipalElectricPowerConstructionEngineeringConstructionTechnologyImplementationDetailsandorganizeitsimplementation.3）施工人員全面了解電纜敷設(shè)來路、終點及敷設(shè)路徑。Constructionworkershavecomprehensiveunderstandingantecedents,destination,andlayingpathoflayingcables.材料準(zhǔn)備MaterialPreparation1）所有材料規(guī)格型號及電壓等級應(yīng)符合設(shè)計要求，并有產(chǎn)品合格證。 Allmaterialspecifications,modelsandvoltagelevelshouldmeetdesignrequirementsandhaveproductcertificates.2）每盤電纜上應(yīng)標(biāo)明電纜規(guī)格、型號、電壓等級、長度及出廠日期。電纜盤應(yīng)完好無損。Eachcableshouldbemarkedonspecification,model,voltagelevel,lengthandmanufacturedate.Cabletrayshouldbeinagoodcondition.3）電纜外觀完好無損，鎧裝無銹蝕、無機械損傷，光澤明亮無皺折和扭曲現(xiàn)象。電纜外皮及絕緣展無老化及裂紋。Thecableexteriorconditionisintact.Thearmorhasnorustandnomechanicaldamage.Itisshinyandbrightwithoutwrinklesanddistortions.Cablejacketandinsulationshownoagingandcracks.4）電纜敷設(shè)前進(jìn)行絕緣搖測或耐壓試驗。測量絕緣用兆歐表的額定電壓，采用如下等級：Beforelayingcarryoutinsulationrollingtestorvoltagewithstandtest.Usemeggerratedvoltagetomeasureinsulation.Takethefollowinglevel:10KV和35KV電纜：用2500V兆歐表。10KVand35KVCable:The2500Vmegger.電纜測試完畢，應(yīng)立即用橡塑材料封頭。Whencabletestingiscompleted,coveritwithrubbermaterialsimmediately.5）按設(shè)計和實際路徑計算每根電纜的長度，合理安排每盤電纜，無電纜接頭。Calculateeachcablelengthaccordingtodesignandactualpath.Arrangeeachcablereasonablywithoutcablejoints.6）電纜保護(hù)套管已經(jīng)預(yù)埋好，故只需要清理管內(nèi)殘渣，并作好管口保護(hù)。Cableprotectionsleevehasbeenembedded.Cleanpiperesidueandprotectnozzles.7）其它附屬材料：電纜標(biāo)示樁、電纜標(biāo)志牌、油漆、汽油、封鉛、硬脂酸、白布帶、橡皮包布、黑包布等均應(yīng)符合要求。Othersubsidiarymaterial:cablemarkingpiles,cablesigns,paint,gasoline,sealedlead,stearicacid,whitebelt,rubbercloth,blackclothetc.shouldmeettherequirements.主要機具準(zhǔn)備MainEquipmentPreparation卷揚機、敷設(shè)電纜用支架及軸、電纜滾輪、轉(zhuǎn)向?qū)л啞⒌蹑?、滑輪、鋼絲繩、大麻繩、千斤頂。Winches,bracketandshaftforcablelaying,cableroller,transferguidewheel,hangingchain,pulleys,wirerope,largehemprope,jacks.絕緣搖表、皮尺、鋼鋸、電纜端接線工具、手錘、扳手、電氣焊工具、電工工具、彎管機、砂輪機、電纜走向牌打印機、電纜號牌機、噴燈。Insulationshakewatch,measuringtape,hacksaw,cable-sidewiringtools,handhammers,wrenches,electricweldingtools,electricaltools,bendingmachine,grindingwheelmachine,printer,cableplatemachine,blowtorch.無線電對講機、手持?jǐn)U音喇叭。Walkie-talkies,hand-heldloud-speakersZC型兆歐表（檢測絕緣電阻用）、高壓試驗設(shè)備（交流耐壓及泄漏試驗用）ZC-typemegger（insulationresistancetest）,andhigh-voltagetestequipment（ACwithstandvoltageandleakagetest）作業(yè)環(huán)境準(zhǔn)備WorkEnvironmentPreparation廠區(qū)電纜溝的開挖及過路管的預(yù)埋工作已經(jīng)完成，電纜溝內(nèi)無積水，其深度應(yīng)滿足規(guī)范要求，底砂鋪好，溝內(nèi)無雜物。Trenchexcavationandcrossingcabletubesembeddedhavebeencompleted.Trenchhasnowateranddepthshouldmeetthespecifications.Spreadbottomsandandbedebris-free.場地清理干凈、道路暢通。Sitecleanuptheroadsunimpeded放電纜用的設(shè)備安置完畢，且符合安全要求，電纜沿線照明照度滿足施工要求。Cablelayingequipmenthasplaced,andmeetssafetyrequirements.Cablelightingilluminationalongtheroutemeetstheconstructionrequirements.五.敷設(shè)施工WorkofCablePulling電纜敷設(shè)施工工序WorkProcedure機具布置—電纜展放-電纜敷設(shè)、固定EquipmentlayoutfLayoffcableslaycableandfix機具布置LayoutofTools電纜的搬運及支架架設(shè)CableRemovalandCableTray1）電纜搬運須用卡車或吊車運輸。滾動時應(yīng)按電纜軸上箭頭指示方向滾動。如無箭頭時，可按電纜纏繞方向滾動，切不可反纏繞方向滾運，以免電纜松弛。Usetruckorcranetotransportcables.Rollcable-axisaccordingtodirectionindicatedbyarrowsignonit.InLong-distancetransportation,usetruckorcranetotransportheavycabletrays.Ifwithoutthearrowsign,rollitaccordingtoitswrappingdirection.2）電纜支架的架設(shè)地點應(yīng)選好，以敷設(shè)方便為準(zhǔn)，一般應(yīng)在電纜起止點附近為宜。架設(shè)時，應(yīng)注意電纜軸的轉(zhuǎn)動方向，電纜引出端應(yīng)在電纜軸的上方。電纜放線架應(yīng)放置穩(wěn)妥，鋼軸的強度和長度應(yīng)與電纜盤重量和寬度相配合。敷設(shè)電纜的機具應(yīng)檢查并調(diào)試正常，電纜盤應(yīng)有可靠的制動措施。Selectaproperset-upplaceasperconvenienttopave.Generallyplaceitnearthestartorendpointofcable.Beawareofrollingdirectionofcableaxle,andkeeppay-off-racksteady.Cablerackshouldbeplacedsecurely,andthesteelshaftintensityandlengthshouldmatchthecabletrayweightandwidth.Checkanddebugthecablelayingandhavereliablebrakedevices卷揚機與滑輪的布置WinchandPulleyArrangement在線路的另一端布置好卷揚機，并準(zhǔn)備好滑輪，約1.5?2m布置一個平面滑輪，每個轉(zhuǎn)角布置一個轉(zhuǎn)角滑輪，并每隔20?30m安排一個工人看護(hù)。卷揚機用地錨固定，轉(zhuǎn)角滑輪用鋼管固定，平面滑輪無需固定。Arrangeawinchandpulleysattheendoftheline.Arrangeoneplanarpulleyevery1.5~2m,aquarterblockateachcornerandawatch-outworkerevery20?30m.Windlassisfixedwithgroundanchorcornerandpulleywithsteelpipes;flatpulleysdonotneedfixing.電纜架與卷揚機布置見下圖： Cablerackandwincharrangementseebelow:35KV：10KV:I30.il3電纜展放Lay-offCable1）電纜展放可用人力拉引或機械牽引。當(dāng)采用機械牽引時，用機械的最大牽引強度宜滿足下表的規(guī)定，其速度不宜超過15m/min，且應(yīng)在牽引頭或鋼絲網(wǎng)套與牽引鋼纜之間裝設(shè)防捻器。Usemanualormechanicaltraction.Whenusingmechanicaltraction,themaximummechanicalstrengthshouldmeettherequirementsinTable,itsspeedshouldnotexceed15m/min,andshouldinstallfortifiedtwisterbetweentractionheadorsteelmeshsleeveandpullingsteelcable.Cablemaximumtractionstrength（N/mm2）電纜最大牽引強度（N/mm2）牽引方式traction牽弓［頭tractionhead鋼絲網(wǎng)套steelmeshsleeveA受力部位forcearea銅芯le