工程项目前期策划指南ppt课件

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1、工程项目的前期策划CONCEPTSTAGEThelifecycleofahuman-madesystemcanbesegmentedintoalogicalseriesofphasesorstages,eachrepresentativeofthetypesoractivitiestypicallyconductedduringsomeperiodinthelifeofthesystem.Onewayofdividingthelifecycleintofourphases:Conceptionphase(PhaseA)Definitionphase(PhaseB)Ex

2、ecutionphase(PhaseC)Operationphase(PhaseD)Thephasesoverlapandinteract,yetareclearlydifferentiable.(Deliverables)PhaseAInitiationstageFeasibilitystageProposalpreparationPhaseBProjectdefinitionSystemdefinitionUserandsystemrequirementsPhaseDSystemmaintenanceandevaluationSystemimprovementSy

3、stemterminationPhaseCDesignstageProduction/buildstageFabricationTestingImplementationstageTrainingAcceptancetestsInstallationTermination(ToPhaseA:repeatcycle)NeedFeasibilityProjectDefinitionOwnerApprovalOwner,CMCONCEPTA/E,CM,OwnerDESIGNBiddersOwner,CMContractorO&MStaffBIDDINGConceptualD

4、esignOwnerApprovalPreliminaryDesignDetailedDesignQuantitiesWorkDocumentsSelectProjectContractStrategyManagementFunctionsMadeattheDifferentPhasesofaProjectLifeCycleO&MCONSTRUCTPrepareBidProposalCollectDataPlanningTime&CostEstimationSchedulingResourceManagementBiddingStrategy&MarkupEstima

5、tionCashFlowAnalysisSubmitBidEvaluateBidsandSelectGCStartConstructionDetailedPlanning,Estimating&ResourceManagementScheduleUpdatingProgressEvaluationTime,Cost&QualityControlCommissioningO&MDemolitionatEndofServiceLifeTheconceptionphasenominallycomprisetwoseparatestages.Thefirststage,pro

6、jectinitiation,establishesthata“need”existsandthattheneedisworthyofinvestigation.Thesecondstage,projectfeasibility,involvesadetailedinvestigationandchoosingasolution.ProjectinitiationInitiationisthepointwheretheideaforasystemisborn.Theinitialinvestigationisusuallyconductedbytheuserandis

7、abrief,requiringafewdaysorafewweeksatmost.Iftheideaisfoundtowarrantafull-scale,detailedinvestigationofthealternativesolutions,thentheideabecomesa“potentialproject”andisapprovedforthenextstage,projectfeasibility.ProjectfeasibilityFeasibilityistheprocessofinvestigatingaproblemand