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. Theentirebodyofthecablemustenter