電纜溝開挖施工方案

室外電纜溝施工方案（中英文）電纜溝開挖施工方案WorkMethodofCableTrenchExcavation編制：Compiledby:審核：Reviewedby:2009年10月21日目 錄Content一. 概況OVERVIEW 3工程概況PROJECTOVERVIEW 3施工范圍SCOPEOFWORK 3二.編制依據(jù)COMPILATIONBASIS 4三.施工工藝流程CONSTRUCTIONPROCESS: 4四. 前期準(zhǔn)備PREPARATIONS 4技術(shù)準(zhǔn)備TECHNICAL4材料準(zhǔn)備MATERIAL5主要機具準(zhǔn)備MAINEQUIPMENTSPREPARATION 5作業(yè)環(huán)境準(zhǔn)備OPERATINGENVIRONMENT5P1室外電纜溝施工方案（中英文）五. 電纜溝施工CABLETRENCHCONSTRUCTION 55.1 電纜溝測量、定位CABLETRENCHMEASUREMENTANDPOSITIONING55.2 電纜溝開挖CABLETRENCH6六.質(zhì)量控制QUALITYCONTROL 7電纜溝外形尺寸允許偏差表ALLOWABLEDEVIATEDEXTERNALDIMENSIONSOFCABLETRENCHTABLE 應(yīng)注意的質(zhì)量問題QUALITYISSUES 8七.成品保護FINISHEDPROTECTION 8八.施工記錄CONSTRUCTIONOFRECORD 8九.安全生產(chǎn)、文明施工要求和措施SAFETYANDCIVILIZEDCONSTRUCTIONREQUESTSANDMEASURES 附廠區(qū)電纜溝圖：ATTACHED:CABLETRENCHDRAWING 9P2室外電纜溝施工方案（中英文）一. 概況Overview工程概況ProjectOverview項目名稱：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、接地電纜敷設(shè)所需電纜溝的開挖工程。Theprojectinvolvesthreesubstations,namelytheexisting220/35kVA472substation,theexisting35/10kVB301Sthe35/10kVC581substationandanewsubstation.Thisisthepower,controlandgroundingcabletrenchexcavationprojectamongthreesubstationsandforMVusersconnectedtothethreesubstations.施工范圍ScopeofWorkA472335kV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?；芈凡捎肍S-YJY-26/35kV-1*300mm2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.由B301S7路10kV出線。全部引至B399中心制冷站?；芈凡捎?0kV95mm2B301S95mm2P3室外電纜溝施工方案（中英文）andpulloutfromtheexistingcablewellinthesouthofB301Sthenburiedlaytothedevice.C5811010kVA5072臺，C5211110kV截面為185mm2的三芯鎧裝電纜，馬達(dá)回路采用10kV截面為95mm21010kVlinesledfromC581areusedtosupplypowertoA507'sfourtransformers,B551twotransformers,B553TDA2setsofhydrogencompressorunit,C521hydrochloricacidchlorinegascompressorunit,andhydrochloricacidcompressorunitrespectively.Amongthem,transformercircuitusesx3-corearmoredcablewith10kVcross-section185mm2,motorcircuitusesthree-corearmoredcablewith10kVcross-section95mm2.Allcablelineswillbelaidundergroundalongtheplanningpath.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.5）本工程電纜溝走向如下：Thecabletrenchdirectionsareasfollows:電纜溝南線為A472至C581，全長約850米，根據(jù)K-K斷面圖：開挖深度為1米，溝槽底寬0.6米，溝槽面寬約1.1米。CabletrenchsouthlineisfromA472toC581about850meterslong.AccordingtoKKsectionaldrawing,excavationdepthisof1meterwithtrenchbottomwidth0.6mandfacewidth1.1m.A472C581B301220A-A111.5trenchnorthlineisfromA472toC581andB301andthecollinearisabout220meters.AccordingtoAAsectionaldrawing,excavationdepthis1metertrenchwithtrenchbottomwidthP41mandfacewidth1.5m.

室外電纜溝施工方案（中英文）至C581支線約430米，根據(jù)E-E斷面圖有：開挖深度為1米，溝槽底寬0.6米，溝槽面寬約1.1米；至B301支線約300米，根據(jù)B-B斷面圖有：開挖深度為1米，溝槽底寬0.6米，溝槽面寬約1.1米。Thesub-linetheC581isabout430meters.AccordingtoEEsectionaldrawingexcavationdepthis1metertrenchwithtrenchbottomwidth1mandfacewidth1.1m.Thesub-linetoB301theisabout300meters.AccordingtoBBsectionaldrawing ,excavationdepthis1metertrenchwithtrenchbottomwidth1mandfacewidth1.1m.二.編制依據(jù)CompilationBasis（中壓部分AccordingtoElectricpackage(MV)thetenderandtenderdrawings.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.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)thiscompilationprocess,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→電纜溝測量、定位→確定開挖順序→沿灰線切出槽邊輪廓線→分層開挖→修整槽邊→清底P5室外電纜溝施工方案（中英文）preparation→cabletrenchmeasurements→excavationorder→cuttingcontourlinealongthecalcareousness→stratifiedexcavation→finishingcabletrenchedge→clearup四.前期準(zhǔn)備Preparationstechnicalpreparation1）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.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.Constructionworkershavecomprehensiveunderstandingantecedents,destination,andlayingpathoflayingcables.Materialpreparation根據(jù)材料計劃采購所有的材料。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。Purchasematerialsaspertheplan.Allmaterialsspecificationmodelsandthevoltagelevelshouldmeetthedesignrequirementsandhaveproductcertificates.Mainequipmentspreparation尖、平頭鐵鍬、手錘、手推車、梯子、鐵鎬、撬棍、鋼尺、坡度尺、小線或20＃鉛絲等。Sharp,flatheadshovel,handhammers,wheelbarrows,ladders,picks,crowbars,steelruler,slope-foot,smallleadwireor20#leadwireandsoon.operatingenvironmentpreparationsPriortoearthexcavationclearupobstructionsonthegroundorP6undergroundasperconstructionplan.

室外電纜溝施工方案（中英文）（樁、標(biāo)準(zhǔn)水平樁及基槽的灰線尺Thelocationbuildingorstructureandthecalcareousnessofsitepositioningcontrollines(piles),standardlevelpileandthegroovebasesizemustbetestedqualified,andfinishedpre-screeningprocedures.Cleanupthesiteandmakedrainageslope.Excavatetemporarydrainsintheconstructionarea.夜間施工時，應(yīng)合理安排工序，防止錯挖或超挖。施工場地應(yīng)根據(jù)需要安裝照明設(shè)施，在危險地段應(yīng)設(shè)置明顯標(biāo)志。Arrangenightconstructionproceduresproperlytopreventwrongdigorsuper-dug.Installthelightingfacilitiesasneededandsetsignsinadangerouslocation.開挖低于地下水位的基坑（槽）時，應(yīng)根據(jù)工程地質(zhì)資料，采取措施降低地下0.5mExcavatebasepit(groove)belowthegroundwaterlevelshouldlowgroundwaterlevelbasedonengineeringgeologicaldatatobelowerthan0.5moftheunderside,andthenexcavate.五.電纜溝施工CableTrenchConstructioncabletrenchmeasurementandpositioning1）根據(jù)出線電纜布局和電纜溝開挖現(xiàn)場地形條件確定出電纜溝具體走向。Determinethespecificdirectionofcabletrenchofoutgoingaccordingtolayoutandexcavationterrainconditions.2) Thecabletrenchlinemeasurementsincludealignment,levelinganddirectmeasurement.定線測量要測定線路的中心線和轉(zhuǎn)角，并應(yīng)測量溝槽與相鄰的永久性建筑物的位置關(guān)系，必要時應(yīng)在地面上設(shè)立標(biāo)志。AlignmentmeasurementneedstodetermineP7室外電纜溝施工方案（中英文）thecenterlineandcorners,andmeasuregroovesandadjacentpermanentbuildinglocationrelations.Ifnecessary,setupgroundsigns.在進行溝槽水準(zhǔn)測量時,應(yīng)沿線設(shè)臨時水準(zhǔn)點,臨時水準(zhǔn)點標(biāo)高值由控制水準(zhǔn)點引測。Conductlevelingshouldsettemporarystandardpoints,whoseelevationiscitedbythecontrolmeasure.CableTrenchExcavationThemanagementcompanyandtheownerneedtoconfirmexcavationline.Trytoavoidpipelineroutediggingandchooselesspipelineareaonexcavating.開挖前要認(rèn)真調(diào)查了解地上地下障礙物，以便開挖時采取妥善加固保護措施。30m進行人工開挖試空井，明確整個斷面有無其它管線，及其管線分布情況，采取有效措施加以保護。Investigateobstructionsaboveandbelowgroundbeforeexcavationtotakeappropriatereinforcementmeasures.Accordingtotheundergroundpipelinedrawingsprovidedbytheowner,makesiteinvestigations.Atintervalsof30moneachrouteexcavatewellsmanuallytocheckwhethertheentirecross-sectionhasotherpipelinesanditsdistributiontotakeeffectiveprotectionmeasures.3）根據(jù)基礎(chǔ)和土質(zhì)、現(xiàn)場出土等條件要合理確定開挖順序。Determineexcavationorderrationallyaccordingtothefoundation,on-sitesoilqualityandotherconditionsetc.4）開挖時，應(yīng)先沿灰線直邊切出槽邊的輪廓線，然后再分段分層平均下挖。Cutoutthecontourlinealongthecalcareousness,andthenexcavatewithsub-layerandsubsection.60cmGenerallyclaycanbeexcavatedfromtoptobottombylayerwithP8室外電纜溝施工方案（中英文）theappropriatedepth60cm.backwardexcavatefromtheendbysteppingtype.Graveltypesoilfirstusepicktoloosethenforwardexcavatewitheachlayerdepthdependedonthethicknessofdiggingsoil.Clearthebottomanddigouttheearthbylayerandthenexcavategradually.5) 在開挖槽邊棄土?xí)r，應(yīng)保證邊坡和直立幫的穩(wěn)定。當(dāng)土質(zhì)良好時，拋于槽邊的土方（或材料，應(yīng)距槽（溝）邊緣m以外，高度不宜超過。開挖基坑（槽）的Excavatesideearthshouldensurethestabilityoftheslopeandupright.Whenthesoilisfine,throwearthonthegrooveside(ormaterial)0.8mawayfromthepit(groove)edgewithheightmorethan1m.Stackbackfillsoilifithasconditionsandmovetheexcessearthouttoavoidsecondaryhandling.20cmMainlytakemanualexcavationandensurepersonnelandequipmentsafetyonsomeparts.Takemechanicalexcavationonthebasisofnotdamagingtheexistingpipelineandsetaside20cmatthebottomforclearingbyhand.Ultra-excavationisstrictlyprohibitedtopreventgrounddisturbance.Forundergroundobstacles(pipes,cables)partsexcavatemanually.Asfollows:機械與人工相結(jié)合開挖路（2至1南線與北線ldmanualexcavationline(A472toC581SouthLineandNorthLine)機械開挖整個過程都有人員跟隨進行指揮，在確認(rèn)的機械開挖路線上進行開挖工作，機械開挖深度不得很深，首次開挖控制在300mm左右，再100mm每次挖下去，避免破壞地下管線如有管線立即進行人工開挖Mechanicalexcavationshouldbeundercommandandfollowtheconfirmedline.Donotmechanicallyexcavatetoodeepbutfirstby300mmandthen100mmeachtoavoiddestructingpipelines. Iftherearepipelines,,immediatelytakemanualexcavation.P9室外電纜溝施工方案（中英文）C581南線開挖到臨時道路，通過其它承包商倉庫的時候先不開挖斷，等電纜溝開WhenC581SouthLinetemporaryroadthroughthewarehouseofothercontractor,digdownandcoverwithwoodenpolesuntilallcabletrenchisexcavatedtothefinalparts.人工開挖路線（A472B301S）Manualexcavationline(A472toB301SBranch)Arrangepersonnelonmanualexcavationlineratherthantakingmechanicalexcavation.Payattentiontoundergroundpipelines.Theearthexcavationingeneralshouldnotbecarriedoutduringtherainyseason,orworkingfaceshouldnotbetoogreatandshouldbecompletedinsection.雨期開挖基坑（槽）時，應(yīng)注意邊坡穩(wěn)定，必要時可適當(dāng)放緩邊坡或設(shè)置支撐。同時應(yīng)在坑（槽）外側(cè)圍以土堤或開挖水溝，防止地面水流入。施工時應(yīng)加強對邊坡、支撐、土堤等的檢查。Onpluvialdaysexcavatepit(groove),payattentiontoslopestability.Ifnecessary,lowslopeorsetupsupport.Meanwhileencloseembankmentaroundthepit(groove)ordidaditchtopreventsurfacewaterinflow.Strengthenoncheckingtheslope,support,embankmentetc.土方開挖不宜在冬期施工。如必須在冬期施工時，其施工方法應(yīng)按冬施方案進行。EarthexcavationshouldnotbedoneinthewinterperiodIfnecessarytakewinterprogram.翻耕深度應(yīng)根據(jù)當(dāng)?shù)貧夂驐l件確定，一般不小于0.3mOnprevent-freezingearthworkexcavationmethod,coverinsulationmaterialbeforefreezingorloosentopsoilwithtillagedepthdeterminedbylocalclimaticconditions,generallynotlessthan0.3m.開挖電纜溝時，必須防止溝底基土遭受凍結(jié)，如溝槽開挖完畢至埋設(shè)電纜之間，有室外電纜溝施工方案（中英文）較長的停歇時間，應(yīng)在基底標(biāo)高以上預(yù)留適當(dāng)厚度的松土，或用其他保溫材料覆蓋Preventthegroovebasesoilbefrozen,suchastheintervalbetweentrenchexcavationandcablelayingreserveloosesoilwithappropriatethicknessabovebasementelevationorcoverwithotherthermalinsulationmaterial.開槽后及時約請各有關(guān)人員驗槽，驗槽合格后方可進行下道工序。Inviterelatedpersonneltochecktheexcavatedtrenchandcarryoutthenextworkingprocedureafterpassingtheexamination.六.質(zhì)量控制QualityControlAllowabledeviatedexternaldimensionsofcabletrenchtable允許偏差項目allowabledeviationitem

電纜溝外形尺寸允許偏差 allowabledeviatedexternaldimensionsofcabletrenchtable序號s/no

項目items 允許偏差（mm）allowabledeviation

檢驗方法testmethod標(biāo)高elevation ＋0mm，－50mm 用水準(zhǔn)儀檢查waterlevelchecklengthwidth

－0mm 由設(shè)計中心向兩邊量、拉線和尺量檢查designcentermeasureandpulllineonbothsidesandrulerinspection邊坡偏陡steepslope

side

不允許notallowed 坡度尺檢查gradientrulerinspectionQualityissues1）溝底超挖：開挖電纜溝不得超過溝底標(biāo)高，如個別地方超挖時，其處理方法應(yīng)取得設(shè)計單位的同意。Ultraexcavation:cabletrenchexcavationshallnotexceedP11室外電纜溝施工方案（中英文）thebottomelevation.Ifultra-diginsomeplaces,obtaintheconsentofdesignunits.施工順序不合理：土方開挖宜先從低處開挖，分層分段依次進行，形成一定坡Theconstructionsequenceisunreasonable:earthexcavationshouldbeginfromthelowerplace,layerbylayerandsectionbysectioninturn;formacertainslopetofacilitatedrainage.excavationsizeisnotenough:Cabletrenchbottomwidthshouldbeincreasedasperconstructionneeds.isnotstraightandbaseisuneven:strengtheninspection,repaircabletrench,andthenacceptseriously.七.成品保護FinishedProtection對定位標(biāo)準(zhǔn)樁、軸線引樁、標(biāo)準(zhǔn)水準(zhǔn)點等，挖運土?xí)r不得碰撞。并應(yīng)經(jīng)常測量Donotcollidetargetingcriteriapilesaxiscitedpile,andstandardlevelpoints,etc.onmovingearth.Regularlymeasureandcheckwhethertheplanelocation,elevationandslopegradientareincompliancewithdesignrequirements.Re-measureandinspecttargetingcriteriapilesandstandardlevelpoints.必要時應(yīng)與設(shè)計單位或建設(shè)單位協(xié)商采取防護措施，并在施工中進行沉降或位移觀測。Notesubsidenceanddeformationofneighboringexistingbuildingsorstructures,roads,pipelinesetc.Takeprotectivemeasureswithdesignandconstructionunitandconstructobservationonsettlementordisplacement.部門的書面同意，施工中應(yīng)采取措施，以防止損壞管線，造成嚴(yán)重事故ConductearthworkontheareaneedstolaygroundorundergroundpipelinescablesP12室外電纜溝施工方案（中英文）priortogettingwrittenconsentoftherelevantadministrativedepartments.Onconstructiontakemeasurestopreventdamagingpipelinesandcauseseriousaccidents.八.施工記錄ConstructionofRecord1) 自互檢記錄。Selfandmutualinspectionrecords電纜工程分項質(zhì)量檢驗評定記錄。Cableengineeringsub-itemqualityinspectionandevaluationrecordsSub-projectacceptancerecords九.安全生產(chǎn)、文明施工要求和措施SafetyandCivilizedConstructionRequestsandMeasuresBuildsiteroadsandappropriateworkareaWidenandstrengthenordertofacilitatesafeconstruction.并應(yīng)采取必要的保護措施。Notethestabilityoftheslopeandbase,generallyconstructfromdeeptoshal