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某厂区室外中压电缆敷设的施工方案

MVCablePullingConstructionPlan

　中压电缆敷设施工方案

广源西街机械修理厂钢结构施工组织设计ISSUEDFORCOMMENTS

ISSUEDFORCOMMENTS

DateDD/MM/YY

DOCUMENTREVISIONS

一.概况OVERVIEW 3

1.1工程概况PROJECTOVERVIEW 3

1.2施工范围SCOPEOFWORK 3

二．编制依据COMPILATIONBASIS 4

三．施工工艺流程：CONSTRUCTIONPROCESS 4

四.前期准备PREPARATION 4

4.1技术准备TECHNICALPREPARATION 4

4.2材料准备MATERIALPREPARATION 5

4.3主要机具准备MAINEQUIPMENTPREPARATION 5

4.4作业环境准备WORKENVIRONMENTPREPARATION 6

五.敷设施工WORKOFCABLEPULLING 6

5.1电缆敷设施工工序WORKPROCEDURE 6

5.2机具布置LAYOUTOFTOOLS 6

5.2.1电缆的搬运及支架架设CABLEREMOVALANDCABLETRAY 6

5.2.2卷扬机与滑轮的布置WINCHANDPULLEYARRANGEMENT 6

5.4电缆敷设、固定CABLELAYINGANDFIXING 12

六.覆砂盖砖SPREADSANDANDCOVERBRICKS 12

七.回填土BACKFILLEARTH 13

八.埋标桩BURYINGSTAKE 13

九.挂标志牌HANGINGSIGNS 13

十.质量控制QUALITYCONTROL 13

10.1主控项目MASTERITEMS 13

10.2一般项目GENERALITEMS 14

十一.成品保护FINISHEDPROTECTION 14

十二.质量记录QUALITYRECORD 14

12.1质量保证资料QUALITYASSURANCEINFORMATION 14

12.2施工记录CONSTRUCTIONOFRECORD 15

十三.安全生产、文明施工要求和措施SAFETYANDCIVILIZEDCONSTRUCTIONREQUESTSANDMEASURES 15

一.概况Overview

1.1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220/35kVA472变电站、现有的35/10kVB301S变电站以及新建的35/10kVC581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,namelytheexisting220/35kVA472substation,theexisting35/10kVB301Sthe35/10kVC581substationandanewsubstation.Thisisthepower,controlandgroundingcablepullingamongthreesubstationsandforMVusersconnectedtothethreesubstations.

1.2施工范围ScopeofWork

1)A472建筑（220/35kV变电站）出线回路：A472Building(220/35kVsubstation)outletcircuit

由A472变电站引出3路35kV出线。其中：

2)B301S建筑（35/10kV变电站）出线回路：B301Sbuilding(35/10kVsubstation)outletcircuit:

3)C581建筑（35/10kV变电站）出线回路：C581building(35/10kVsubstation)outletcircuit:

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.

5)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10KV开关柜。Thecurrentsignalinstalledon3.6MWmotorintheHCLdevicessitepassesthroughaburiedarmoredcontrolcabledirectaccessto10KVswitchgear.

二．编制依据CompilationBasis

1）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.

三．施工工艺流程：ConstructionProcess

前期准备→电缆直埋敷设施工→铺沙盖砖→回填土→埋标志桩→挂标志牌

Preparation→Cableburiedpulling→spreadsandandbuildbricks→backfill→burysignstake→hangsigns

四.前期准备Preparation

4.1技术准备TechnicalPreparation

1）针对本工程特点编审详细的电缆沟施工作业指导书，及时组织图纸会审。Compileparticularcabletrenchconstructionengineeringguidebookasperprojectcharacteristicsandorganizepromptlydrawingsjointexamination.

2)根据上海市电力建设工程施工工艺实施细则结合本工程实际编写电缆沟施工工艺卡，并组织实施。CompileconstructiontechniquecardsaccordingtotheShanghaiMunicipalElectricPowerConstructionEngineeringConstructionTechnologyImplementationDetailsandorganizeitsimplementation.

4.2材料准备MaterialPreparation

1)所有材料规格型号及电压等级应符合设计要求，并有产品合格证。Allmaterialspecifications,modelsandvoltagelevelshouldmeetdesignrequirementsandhaveproductcertificates.

2)每盘电缆上应标明电缆规格、型号、电压等级、长度及出厂日期。电缆盘应完好无损。

Eachcableshouldbemarkedonspecification,model,voltagelevel,lengthandmanufacturedate.Cabletrayshouldbeinagoodcondition.

3)电缆外观完好无损，铠装无锈蚀、无机械损伤，光泽明亮无皱折和扭曲现象。电缆外皮及绝缘展无老化及裂纹。

Thecableexteriorconditionisintact.Thearmorhasnorustandnomechanicaldamage.Itisshinyandbrightwithoutwrinklesanddistortions.Cablejacketandinsulationshownoagingandcracks.

4)电缆敷设前进行绝缘摇测或耐压试验。测量绝缘用兆欧表的额定电压，采用如下等级：Beforelayingcarryoutinsulationrollingtestorvoltagewithstandtest.Usemeggerratedvoltagetomeasureinsulation.Takethefollowinglevel:

10KV和35KV电缆：用2500V兆欧表。10KVand35KVCable:The2500Vmegger.

5)按设计和实际路径计算每根电缆的长度，合理安排每盘电缆，无电缆接头。Calculateeachcablelengthaccordingtodesignandactualpath.Arrangeeachcablereasonablywithoutcablejoints.

6)电缆保护套管已经预埋好，故只需要清理管内残渣，并作好管口保护。Cableprotectionsleevehasbeenembedded.Cleanpiperesidueandprotectnozzles.

GTCC-018-2018标准下载7)其它附属材料：电缆标示桩、电缆标志牌、油漆、汽油、封铅、硬脂酸、白布带、橡皮包布、黑包布等均应符合要求。Othersubsidiarymaterial:cablemarkingpiles,cablesigns,paint,gasoline,sealedlead,stearicacid,whitebelt,rubbercloth,blackclothetc.shouldmeettherequirements.

4.3主要机具准备MainEquipmentPreparation

卷扬机、敷设电缆用支架及轴、电缆滚轮、转向导轮、吊链、滑轮、钢丝绳、大麻绳、千斤顶。Winches,bracketandshaftforcablelaying,cableroller,transferguidewheel,hangingchain,pulleys,wirerope,largehemprope,jacks.

4.4作业环境准备WorkEnvironmentPreparation

场地清理干净、道路畅通。Sitecleanuptheroadsunimpeded

放电缆用的设备安置完毕，且符合安全要求DB31T 1254-2020 工程填筑用装修垃圾再生集料技术要求.pdf，电缆沿线照明照度满足施工要求。

Cablelayingequipmenthasplaced,andmeetssafetyrequirements.Cablelightingilluminationalongtheroutemeetstheconstructionrequirements.