电缆沟开挖施工方案WorkMethodofCableTrenchExcavation编制：Compiledby:审核：Reviewedby:2009年10月21日October21,2009目录Content一.概况OVERVIEW..................................................................................................................31.1工程概况PROJECTOVERVIEW....................................................................................31.2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PREPARATIONS................................................................................................44.1技术准备TECHNICALPREPARATION........................................................................44.2材料准备MATERIALPREPARATION............................................................................54.3主要机具准备MAINEQUIPMENTSPREPARATION..................................................54.4作业环境准备OPERATINGENVIRONMENTPREPARATIONS...............................5五.电缆沟施工CABLETRENCHCONSTRUCTION..........................................................55.1电缆沟测量、定位CABLETRENCHMEASUREMENTANDPOSITIONING........55.2电缆沟开挖CABLETRENCHEXCAVATION...............................................................6六.质量控制QUALITYCONTROL........................................................................................76.1电缆沟外形尺寸允许偏差表ALLOWABLEDEVIATEDEXTERNALDIMENSIONSOFCABLETRENCHTABLE..................................................................................................76.2应注意的质量问题QUALITYISSUES..............................................................................8七.成品保护FINISHEDPROTECTION.................................................................................8八.施工记录CONSTRUCTIONOFRECORD.......................................................................8九.安全生产、文明施工要求和措施SAFETYANDCIVILIZEDCONSTRUCTIONREQUESTSANDMEASURES.................................................................................................9附厂区电缆沟图：Attached:cabletrenchdrawing....................................................................9一.概况Overview1.1工程概况ProjectOverview项目名称：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、接地电缆敷设所需电缆沟的开挖工程。Theprojectinvolvesthreesubstations,namelytheexisting220/35kVA472substation,theexisting35/10kVB301Sthe35/10kVC581substationandanewsubstation.Thisisthepower,controlandgroundingcabletrenchexcavationprojectamongthreesubstationsandforMVusersconnectedtothethreesubstations.1.2施工范围ScopeofWork1)由A472变电站引出3路35kV出线。其中：一路引至B301S建筑（35/10kV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35/10kVC581变电站1#主变和2#主变。回路采用FS-YJY-26/35kV-1*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(35/10kVsubstation)theoriginalone#maintransformer,pulltheo...
