Method-Statement-Pavement

CHINAHARBOURENGINEERINGCOMPANY(GROUP)REPRESENTATIVEOFFICEINSRILANKAHAMBANTOTAINTERNATIONALAIRPORTPROJECTRevision0MethodStatementTitle:MethodStatementforPavementworksMethodStatementForPavementworks(Primecoat,Bondcoat,Bindercourse,wearingcourse)0IssuedforEngineer’sReviewRev.DateStatusPreparedbyConstructionManagerReviewedByQualityManagerCheckedandapprovedbyDeputyprojectManagerSubmittedbyProjectManagerHambantotaInternationalAirportDevelopmentprojectMS-MethodStatementforAsphaltpavementPage2SectionCONTENTSPage1.0Purposeofmethodstatement32.0Scopeofmethodstatement33.0Documentstobereferencedwiththismethodstatement34.0Responsibilitiesforactivitydescribedwithinthismethodstatement35.06.0DetailedMethodinCarryingoutmethodstatement5.1TechnicalPreparation5.2Materials5.3Plant&equipment5.4LaboratoryPreparation5.5ConstructionMethod5.5.1PrimeCoat/Bondcoat5.5.2Bindercourse/Wearingcourse5.6QualityAssuranceProcessConstructionFlowChart3444555-67-1314157.0Recorddocumentationand/oroutput(s)whichconfirmcompletionofmethodstatement.178.0Appendices17AInspectionandTestPlanBRiskAssessmentHambantotaInternationalAirportDevelopmentprojectMS-MethodStatementforAsphaltpavementPage31.0PurposeofMethodStatementThismethodstatementprovidesthedetailsofmaterial,theequipment,theconstructionprocedureandrelevantdocumentsthatrelatedtothePrimecoat/Bondcoat/AsphaltBinderCourse&WearingCourseinRunwayandTaxiway.Detailswillbedescribedseparatelyforeachactivity.2.0ScopeofmethodstatementScopeofthismethodstatementappliestoprepareproperconstructionschedulesfortheconstructionofPrimecoat,Bondcoat,AsphaltBinderCourse,WearingCourseandmostsuitablemethodologytogetthemaximumefficiencyoftheresourcesdeployed.3.0DocumentstobereferredwiththisMethodStatement3.1ProjectQualityPlan3.2SiteSafetyPlan3.3PavementDesignDrawings3.4TechnicalSpecificationSection5.0,8.0(RevisionC)4.0ResponsibilitiesforactivityDescribewithinthisMethodStatementConstructionManagerandSiteEngineershallberesponsibleforconstructionplanningandcoordinationofwholeworksforreferredconstructionactivities.MaterialManagershallberesponsibletoprovidelaboratoryfacilitiesandsufficienttechnicianstocarryouttherelevanttestingandmakethepropercoordinationamongtheconstructionteam,mixingplant,andlaboratorystaff.MaterialsEngineershallberesponsibletoconductalltherelevanttestingwhichhasmentionedunderthespecifications.SurveyingEngineerwillperformthesettingoutworks,establishmentofelevationsofeachlayerandmaintainthefinishelevationsasspecifiedinthedesigndrawingandspecification.Safetyofficerswilloverlookthenecessarysafetymeasureswhenexecutingtheeachactivity.5.0DetailedMethodandProceduresThemethodandprocedureswhichshallbeinvolvedovertheseconstructionactivitiescanbeoutlineasfollows;•Technicalpreparation•Materialpreparation•Equipmentpreparation•Laboratorypreparation•ConfirmationofPrimeCoat/Bondcoatapplication•SettingoutofPavingworks•Mixing,Transportation,LayingandCompactionofbituminousmixture•TestingofcompletedworksHambantotaInternationalAirportDevelopmentprojectMS-MethodStatementforAsphaltpavementPage45.1Technicalpreparation•Studyandunderstandthespecificationrequirementbyconstructionteam.•PreparationsofconstructionmethodstatementascomplywiththespecificationrequirementsandsubmittedforEngineer’sapprovalbeforecommencetheanyconstructionactivity.•Educationandtrainingprogrammeswillbeconductedfortheconstructionteam.•SubmissionofmixdesignsforEngineer’sapprovalpriortostarttheconstructionwork.5.2MaterialsThematerialcomponentforthisconstructionworkincludesasfollowsbutnotlimitedtothesame.ItemActivityDescriptionTypeofMaterials1BindercourseBitumenPenetrationGrade60/70,coarseAggregate,FineAggregate,MineralFiller2WearingcourseBitumenPerformanceGrade76-16,coarseAggregate,FineAggregate,MineralFiller3PrimecoatBitumenMC-70,Sand4BondcoatEmulsionType–CRS1PriortodeliveryofMaterialstothesite,certificatefromthemanufactureandtestresultsforeachtypeofmaterialsandotherrelevantinformationmentionunderthespecificationwillbesubmittedforEngineer’sapproval.Theintervalsofcertificatessubmissionasspecifiedwillbemaintainedproperly.5.3Plant&EquipmentThemajorequipmentusedforthisconstructionworksincludes,butarenotlimitstothefollowings;AsphaltMixPlant-BituminousMixtureMixingDumpTrucks-HaulingHotAsphaltmaterialsAsphaltPaver-Spreading&LevellingWaterBowser-TofilluptheRollersandcleanthesurfaceBitumenDistributor-ApplicationofbitumenmaterialsHandSprayer-BondCoatSprayingSurveyEquipments-ForsettingoutTandemRollers-13Ton-ForcompactionPlateCompactor-ForedgecompactionHambantotaInternationalAirportDevelopmentprojectMS-MethodStatementforAsphaltpavementPage5PneumaticTyreRoller-SecondaryCompactionCoreCuttingMachine-CoreCuttingforTestingCrewCab&ServiceCab-LabourTransportation&ServiceworksAirCompressor-CleanthesurfaceRollingStraightEdge-MeasurethetoleranceAlltheequipmentsshallbecheckedtodeterminetheiraccuracy,adequacy,efficiencyandskilloftheoperatorsbeforestartthepermanentworks.TheAsphaltmixplantshouldbecalibratesandgetstheapprovalfromEngineerbeforeuse.5.4LaboratoryPreparationInadditiontothecontracto