中压电缆敷设施工方案（英文版）.docx

METHODSTATEMENTFORMVCablePullingandInstallation中压电缆敷设施工方案CONTENTS目录1. .SCOPE32. DEFINITIONS33. HEALTHANDSAFETY34. OPERATION45. INSTALLATIONANDFIXATION46. RESPONSIBILITIES90 PROJECTMANAGER90SITEENGINEER100 FOREMAN100 SAFETYENGINEER110 TECHNICIANFROMSUPPILER110 STOREKEEPER127. MANPOWERREQUIRED128. MATERIALSREQUIREMENTS129. EQUIPMENTSREQUIREMENTS1310. WASTEMANAGEMENT1411. SPECIALCONTROLMEASURES1412. SUPPORTINGDOCUMENTATION1413. DISTRIBUTION15!.SCOPE Thisproceduretoclearthemethodofthesupply,InstallationsandPullingofMVCable. ThisdocumentdetailsInstallationandPullingofMVCable: Preparationofwork. Deliveryandinspectionuponarrivalofmaterialatsite. Installationofthesystem.2. DEFINITIONSPQP:ProjectQualityPlanPSP:ProjectSafetyPlanQCP:QualityControlProcedureHSE:Health,SafetyandEnvironmentMS:MethodStatementITP:InspectionTestPlanQA/QC:QualityAssurance/QualityControlEngineer.WIR:InspectionandTestRequestMIR:MaterialVerificationRecord.3. HEALTHANDSAFETY Strictlyfollowedasperthemanufacturer'sHealthandSafetyrecommendationsforhandlinganduseofthematerials. Ensureallinvolvedpersonnelshallbeawareofthesame. Specificsafetymeasureshavetofollowasapplicable,andallthesafetymeasuresarecoveredseparatelyintheprojectsafetyplan.4. OPERATION MateriaI: MaterialusedW川beasapprovedbytheEngineer. ThesizesandroutesroutingwillbeaspertheapprovedShopDrawings. StOraandProtection: Delivercomponentspartstosite,completelyidentifiedinaccordancewithshopandcertifiedCADDrawingspreparedforthiswork. Storeinaccordancewiththemanufacturer'sinstructions,aboveground,properlyprotectedfromtheweatherandconstructionactivities.5. INSTALLATIONANDFIXATION Pre-Installation: Allmaterialsanddocumentationrelevanttothisparticularsectionofworkswillbecheckedandverifiedensuringthatthesearecorrectandapprovedtype. Priortothecommencementofworks,ensurethattheareasforpermanentinstallationareready,accessibleandinsuitablecondition.Excavation: PermittoWork(PTW)shallberaisedfortheexcavationclearlymentioningthelocationofwork,sizeofexcavationandlevels. Excavationsareashallbesurveyedandmarkedtothelinesandlevelsasshownonthedrawings. Theareaofexcavationwillbecordonedoffusingsafetydevices. EnsuretheworkingareaatanyconfinedspaceisfreefromanyHazardousGasbyproperGastestingusingtheGastestinginstrument. Materials: Notnecessaryfortheconstructionshallberemovedcarefullyandstoredneatlyforreinstatingaftertheconstructionworks. Thematerialreceivedfromtheclientshallbestoredindesignatedareaofstore. Arrangementsshallbemadetoprotectagainsteffectsofweatherandenvironment. Pulling: Insulationresistanceofthecablesshallbecheckedbeforelayingcables. Afterthetest,theendofthecableshallbesealedtopreventtheingressofmoisture. 1.ocationofthepanels/equipmentshallbeidentified. Cablesshallbelubricatedifbendsinconduitsareencounteredinaruntofacilitatedrawingin.Cablesmustnotbebenttoaradiusoflessthan12timestheoveralldiameterofthecable. Rollersmustbeusedwherecablesareinstalledinanopentrenchusingapullingropeandeye;cablerollersaretobeusedatfrequentintervalstosupportthecablesandmustneverbemorethan3metersapart. Therollersaretobeplacedsecurelytopreventmovement. Thepullingropemustbeequippedwithaswivelandbeattachedtothecablebyastockinggripwithpullingeye. Thecabledrumintendedforcablepullingshallbeidentifiedasperthatindicatedinthedrumschedule. Thecabledrumsshallbeun-packedandplacedonacableroller,asrequired. Cablelayingwillgenerallystartfromoneendoftheroutelengthoratanysuitablepoint,asnecessary. Dependingontheweightandsizeofthedrum,suitablesizeofthecablerollingshaft(Spindle)shallbeplacedinsidethecentralaxisofthedrum. Suitablejacksshallbeplacedfirmlyonthegroundandjackeduptoallowclearancefromthegrounddependingonthesizeofthecabledrum. Thedrumshallbeliftedbyrequiredequipmentandplacedonthejacks. Thecabledrumwillbecorrectlypositionedandthedirectionofcablepullingasindicatedbyarrowonthedrumshallbecomplied. Thecableshallbedrawnintothetrenchsmoothlywithaminimumofstopsandatanaveragespeedofbetween9-12metersperminute,toavoidirregularmovement. Termination: Terminationpointinsidethepanels/equipmentshallbeconsideredforsuitablesparelengthtobeleftavailableduringpullingofcabletermination. AftercuttingthecabletotherequiredlengththeterminationworkwillbeconductedasperADDCStandard. JointingandTerminationwillbecarriedoutasperADDCstandards.Alljointingandterminationworkwillbecarriedoutbytrainedtechnicians,experiencedinsuchworkfortheoperatingvoltageconcerned. Propercrimpingtoolsshallbeusedcompressiontypelugs.Allcablesaretobeterminatedusedglandsofpropertypeandsizeasperareaclassification. Theglandshallbeassembledstrictlyinaccordancewithmanufacturer'sinstruction,particularattentionbeingpaidtoensuregoodmechanicalandelectricalcontactbetweenpartwithoutexcessivestrainordistortionofcable. Theentirebodyofthecablemustenterthegland.Thecableshallbeonastraightaxisfromapointatleastsixdiameterbeforeenteringthegland.Sealsshallbecheckedforcorrectsizeatthepointofapplication. Unusedcableentriesshallbeclosedwithplugsuitableforthedegreeofprotectionclassification.AftercompletionofindoorandoutdoorterminationthecableisreadyforTesting. Commissioning: Thefollowingcalibratedtestinginstrumentswillbeused: 1KV/5KVIRTestKit-1no. MultiMeter-1no. ContinuityTester-1no. ContinuityTester-1no. Torquewrench-1no. VLF-TestKit. Beforestartingthetest,thecorrespondingCircuitBreakersatbothendsofthecablesarerackedoutandearthedproperly. TestW川beconductedattheMVpanelend.Theoppositeendofthecableterminationwillbesecured&protected.TestingengineerwillbeattheendwherehighvoltageisappliedandanotherEngineertomonitorattheoppositeendofthecable. InsulationResistanceW川bedonefirst:(a)betweenterminationlugs;(b)Phase,NeutralandEarthterminationlug;(c)conductortoterminationlug.Thiswillbedoneoneminuteeachat5kV,andtheresultsarenotedasperapprovedtestreportformat. Thecontinuitytestandphasesequencetestswouldbecarriedoutandresultswouldberecordedforrecordsandfuturereference. TechnicalAssistance: TheinstallationsupervisingtechnicianforthesystemtradeshallinstructtheCONSULTANTEngineer,andConstructionSiteManagerontheprogrammingandcorrectoperationofthesystemaftertheinstallationiscompleted. Thisinstructionshallbescheduledattheconvenienceofthestaff. Allsuchinstructionshallbeproperlyrecorded. WIRwillbeissuedforConsultantapprovaluponmakingsurethattheinstallationofthesystemequipmentsdoneasperapprovedshopdrawings,approvedspecsandmanufacturerrecommendations.6.RESPONSIBILITIES0PROJECTMANAGER1. ToensurethatallthepreparationandapplicationworksarecarriedoutaccordingtotheContractSpecificationandwiththeapproveddrawings.1. Toensurethattheprogressingofworksiscarriedoutaccordingtotheplannedprogramandaspertheapprovedmethodofstatement.2. Toensurethatalltheequipmentandmaterialrequiredexecutingtheworkareavailableaccordingtotheplannedconstructionprogram.3. Toco-ordinatewiththeMaincontractor,MEPcoordinator,SafetyOfficerforasafeandproperexecutionoftheworks.0SITEENGINEER1. ToensurethattheworksarecarriedoutaccordingtotheContractSpecification,approvedmethodstatementandtheshopdrawings.1. Toprovideallnecessaryinformationanddistributeresponsibilitiestohisconstruction.2. TomonitortheprogressofworkinrelationwiththeworkprogramandtoreporttotheProjectManager.3. Toco-ordinatewiththesafetyofficerandtoensurethattheworksarecarriedoutinsafepracticingmethod.0FOREMAN1.Theforemanwillcarryouthisdutiesbymaintainingcontinuouscoordinationwiththesiteengineerondailybasis,andensureproperdistributionoftheworkforceontherequiredandplannedlocations.1. Toensurethathisassistantforeman/chargehandareawareofthejobrequirementsandtheyhaveenoughinformationtocarryouttheirdutiesproperly.2. Toensurethatthedailyworkisprogressingasplannedandadvicethesiteengineerofanyrequirementforadditionalresources.3. Toensureinconsultationwiththesiteengineerthatthemanpowerinvolvedintheworksaremovingasagreedandplannedforthework.4. Tocontroldisposalofwastematerialsaccordingtotheinstructionsreceivedfromthesiteengineer.5. Toensurefullcoordinationwiththesafetyofficertomaintainsafeworkingandproperhousekeepingofthesite,followingtheprovedsafetymeasuresandfurtherensurethatallhisworkingteamareawareofthesametopreventaccidentandlosses.6. Toinformthesiteengineerregardingareasreadyforinspection.7. Foremanandthestorekeeperareresponsibleforthedistributionandcontrolofmaterials.0SAFETYENGINEER1.EnsuretheimplementationofallthesafetymeasuresinaccordancewiththeHSEplanandeverybodyawareofitforit,sproperimplementation.1. Ensurealltheimplementedsafetymeasuresareadequatetomaintainsafeworkingonthesite.2. Inspectallthesiteactivitiesandtrainthepersontopreventaccidentsandit,sproperimplementation.3. Ensurethatthesiteismaintainedcleanandtidy.0TECHNICIANFROMSUPPILER1. Thecarrying-outofworkandtheproperdistributionofalltheavailableresourcesincoordinationwiththesub-contractorSiteEngineeronadailybasis.2. DailyreportsoftheworksareachievedandcoordinatedforthefutureplanningwiththeSiteEngineer.3. Complyingwiththesub-contractorbasicdesignpractices,particularlythoserelatedtosafetyandengineering4. MeetingwithanytypeofunforeseenincidentorrequirementandreportingthesametotheSiteEngineerimmediately.0STOREKEEPER1. ResponsibleforoverallStoreoperationsinmakingsuretostorethematerialdeliverytothesiteandkeepitinsuitableareathatwillkeepthematerialinsafefromrustyanddamage.2. OnewhowillacknowledgethereceivingofmaterialsatsiteincoordinationwithQA/QCandconcernedEngineer.7. MANPOWERREQUIREDChargehandandExperiencedTechnicians8. MATERIALSREQUIREMENTSMVCableComponentsandAccessories.9. EQUIPMENTSREQUIREMENTS TheEquipmentthatwillbeengagedforInstallationandPullingofMVCablewillbeasfollows: CableRollers CablePullingGrip HandCablecutter ManualCableCrimpers Hacksawblade PowerTools ToolBox MeasuringTape 1.adders/ScaffoIdingsZPIatform HandtoolsHiltiDrillMachine HiltiConcreteBit(6mmto16mm) AnchorBolt/Screw ScrewDriver AdjustableSpanner Hammer EIectrician1SKnife MultiMeter 1KV/5KVIRTestKitContinuityTester Torquewrench VLF-TestKit10. WASTEMANAGEMENTTheRubbishwhichwouldbecreatedfromourscopeofworkswillbedisposedtothedesignateddumpingground.11. SPECIALCONTROLMEASURES ThefollowinggeneralcontrolmeasuresagainstSafety,EnvironmentandQualityshallberequiredforourscopeofworkandspecialcontrolmeasuresarenotapplicableforus: ProperPPEmustbewornatalltime Permittoworkatheight>2mwhereapplicable 1.iftingoperationpermit(usingcrane)whereapplicable. Confinedspacepermitwhereapplicable. Approvedworkmethodstatementandriskassessmentwillbemadeavailabletosite. Allworkersdoingtheworkshallbebriefedonthismethodstatementandriskassessment.12. SUPPORTINGDOCUMENTATION ThismethodStatementshouldbereadinconjunctionwiththebelowreferenceddocumentations: ITPforAnti-termiteTreatment. InsulationResistanceandcontinuityTestReport.13. DISTRIBUTIONCopyofthismethodstatementshallbeissuedtothefollowingforinformation/action/comments:1. ProjectManager2. SiteEngineer3. Foremen4. SafetyEngineer5. TechnicianFromSupplier6. StoreKeeper