某厂区室外中压电缆敷设施工方案、某电解铝整流所电气调试方案.docx
TDItrain-InfrastructureElectricalSystemInstallationMVCablePullingConstructionPlanTDI联合装置-基础设施电气系统安装中压电缆敷设施工方案B11302009ISSUEDFORCOMMENTSA11262009ISSUEDFORCOMMENTSRevDateDD/MM/MYSTATUsPREPAREDBYCHECKEDBYAPPROVEDBYDOCUMENTREVISIONS目录Content一 .概况OVERVIEW31.1 工程概况PROJECTOVERVIEW31.2 施工范围SCOPEOFWORK3二 .编制依据COMPILATIONBASIS4三,施工工艺流程：CONSTRUCTIONPROCESS4四 .前期准备PREPARATION44.1 技术准备Technicalpreparation44.2 材料准备MATERlALPREPARATION54.3 主要机具准备Mainequipmentpreparation54.4 作业环境准备WORKENVIRONMENTPREPARATION6五 .敷设施工WORKOFCABLEPULLING65.1 电缆敷设施工工序WoRKPRoCEDURE65.2 机具布置Layoutoftools65.2.1 电缆的搬运及支架架设CABLEREMOVALANDCABLETRAY65.2.2 卷扬机与滑轮的布置Winchandpulleyarrangement65.3 电缆展放LAY-OFFCABLE95.4 电缆敷设、固定CABLELayingandfixing1六 .覆砂盖砖SPREADSANDANDCoVERBRICKS12七 .回填±BACKFILLEARTH12八 .埋标桩Buryingstake12九 .挂标志牌HANGINGSlGNS12十.质量控制QUALrrYCONTROL1210.1 主控项目MASTERITEMS1210.2 一般项目GENERALITEMS13H-.成品保护FINISHEDPROTECTION13十二.质量记录QUALrrYRECORD1312.1 质量保证资料QUALrrYASSURANCElNFORMATION1312.2 施工记录CONSTRUeTIONoFREeORD14十三.安全生产、文明施工要求和措施SafetyandCivilizedconstructionrequestsandMEASURES14一概况Overview1.1 工程概况ProjectOverview项目名称：TDI联合装置厂区中压电缆敷设施工。Projectname:TDITrainPlantMediumVoltageCablePullingWork.本工程涉及三个变电站，分别是现有的22035kVA472变电站、现有的3510kVB301S变电站以及新建的35/1OkVC581变电站，工作内容为三个变电站之间和从三个变电站接至MV用户的电力电缆、控制电缆、接地电缆的敷设。Theprojectinvolvesthreesubstations,namelytheexisting22035kVA472substation,theexisting35/IOkVB301Sthe3510kVC581substationandanewsubstation.Thisisthepower,controlandgroundingcablepullingamongthreesubstationsandforMVusersconnectedtothethreesubstations.1.2 施工范围ScopeofWork1)A472建筑(22035kV变电站)出线回路：A472Building(22035kVsubstation)outletcircuit由A472变电站引出3路35kV出线。其中：一路引至B301S建筑(35/1OkV变电站)原1#主变，原1#主变电缆将抽出，与新增4#主变连接；另两路引至35/1OkVC581变电站1#主变和2#主变。回路采用FS-YJY-2635kV-l*300mm2单芯电缆，直埋敷设。去C581的两路35kV线路，敷设时沿不同路径，以避免两回线路同时受损。Pullthree35VoutgoingsfromA472substation.Ofwhich:ThefirstoutgoingisledtoB301SBuilding(3510kVsubstation)theoriginalone#maintransformer,pulltheoriginalone#maintransformercableout,andconnecttotheadding4#maintransformer;theothertwooutgoingsareledto3510kVC581#1andsubstation2#maintransformer.UseFS-YJY-2635kV-l*300mm2single-corecablesforLoopandburiedpulling.Two35kVlinestoC581arelaidalongdifferentpathstoavoiddamageofthetwoloops.2)B301S建筑(35/1OkV变电站)出线回路：B301Sbuilding(3510kVsubstation)outletcircuit:由B301S变电站引出7路IOkV出线。全部引至B399中心制冷站。回路采用IOkV截面为95mm2的三芯铠装电缆，由B301S南面现有的电缆井引出直埋至装置。Pull710kVoutgoingsfromB301SsubstationtoB399centralrefrigerationstation.LoopusesIOkVthree-corearmoredcablewithcross-section95mm2andpulloutfromtheexistingcablewellinthesouthofB301Sthenburiedlaytothedevice.3)C581建筑(35/1OkV变电站)出线回路：C581building(3510kVsubstation)outletcircuit:由C581引出10路IOkV线路，分别为A507的四台变压器，B551的两台变压器，B553TDA装置氢气压缩机2台，C521盐酸装置氯气压缩机1台，盐酸压缩机1台提供电源。其中，变压器回路采用IokV截面为185mm2的三芯铠装电缆，马达回路采用IOkV截面为95mm2的三芯铠装电缆。以上电缆线路均沿规划路径埋地敷设。IOlOkVlinesledfromC581areusedtosupplypowertoA507,sfourtransformers,B551twotransformers,B553TDA2setsofhydrogencompressorunit,C521hydrochloricacidchlorinegascompressorunit,andhydrochloricacidcompressorunitrespectively.Amongthem,transformercircuitusesX3-corearmoredcablewithIOkVcross-section185mm2,motorcircuitusesthree-corearmoredcablewithIOkVcross-section95mm2.Allcablelineswillbelaidundergroundalongtheplanningpath.4)接地电缆回路：Groundcableloop:从A472敷设一根95mm2裸铜线去C581,同时从C581敷设四根95mm2裸铜线，分别引至B551、A507、B553和C521,作等电位联结。以上电缆线路均沿规划路径埋地敷设。Laya95mm2barecopperwiretoC581fromA472.MeanwhilelayfourbarecopperwirestoB551,A507,B553andC521forequipotentialbonding.Allcablelineswillbelaidundergroundalongtheplanningpath.Overview5）控制电缆回路：Controlcablecircuit:安装在HCL装置现场的3.6MW马达上的电流信号通过一根直埋敷设的铠装控制电缆直接接入IOKV开关柜。Thecurrentsignalinstalledon3.6MWmotorintheHCLdevicessitepassesthroughaburiedarmoredcontrolcabledirectaccesstoIOKVswitchgear.由变压器出线柜去C581以外的变压器，采用两根分别为10*2.5mm2、4*2.5mm2屏蔽铠装控制电缆，由中压转接柜引出，与中压电缆同路径敷设至相关变压器室。其中，10*2.5mm2电缆直接接至温控箱，4*2.5mm2电缆可集中从某间变压器室引出，沿桥架至相关PCS楼ATS柜。TransformeroutletcabinetsareconnectedtoothertransformersnotinC581byusingtwo10*2.5mm2,4*2.5mm2shieldsheathedcontrolcablerespectively.The10*2.5mm2cabledirectlyisconnectedtothetemperaturecontrolboxand4*2.5mm2cableareledoutfromtransformerroom,alongthebridgetotherelevantPCSfloorATScabinet.二.编制依据CompilationBasis1）根据电气包（中压部分）招标文件及招标图纸编制而成。AccordingtoElectricpackage（MV）thetenderandtenderdrawings.2）在充分研究工程的客观情况和施工特点，结合我公司类似工程施工经验的基础上编制的。Basedonfullstudyonconstructioncharacteristicsandobjectivesituationandcombinedwithsimilarconstructionexperience.3）在本方案编制过程中，严格执行国家现行建筑和安装工程施工及验收规范、规程、标准、设计规范。具体如下：Inthiscompilationprocess,strictlyimplementcurrentnationalconstructionandinstallationconstruction,acceptancenorms,procedures,standards,anddesignspecifications.Asfollows:电气装置安装工程电缆线路施工及验收规范GB50168-2006nElectricalinstallationcableconstructionandacceptancestandardsGB50168-200611电气装置安装工程接地装置施工及验收规范GB50169-2006"Electricalinstallationearthingconstruction
