ProjectStaffing - PDF document

ProjectStaffing TimeTypical Productivity(Normalised) Time TypicalPlan Work Backlogs and Flow 1,000TasksTasks/MonthTasksTasks/Month0Tasks0Tasks/Month 05101520253035404550Time (Month)Work to Do : Traditional ViewTasks Work Done : Traditional ViewTasks Work Being Accomplished : Traditional ViewTasks/Month Work to Do Work DoneProductivityInitial Work Work BeingAccomplished + + Work to Do Work DoneStaffProductivity Work BeingAccomplished + + Work to Do Rework Work BeingAccomplished ProductivityFraction Correctand Complete CreationExecution OriginalWork to Do Work Done UndiscoveredRework ProgressxFraction Correctand CompleteTime to Discover Rework Rework to ReworkDiscovery - ProductivityEffortApplied ReworkProgress + + - Work Done 1,000 05101520253035404550Time (Month)TasksWork Done : Traditional With Rework Work Done : Traditional View Undiscovered Rework 604530150 05101520253035404550Time (Month)TasksUndiscovered Rework : Traditional With Rework SimulatedActual Year0 0 3 6 9 12 15 18 21 ApproximateOriginal Plan Disguised results from actual aerospace project… Staffing experiences an extended tail 0 3 6 9 12 15 18 21 0 Work Assignments of Staff to...Original WorkReworkTotal 20 Program Staff, Simulated vs. Data (Equivalent Staff) TIME 0 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 SimulatedOriginal Plan Actual Disguised results from actual vehicle project… A second staffing peak Work Assignments of Staff to...TIME 0 Year 1 Year 2 Year 3 Year 4 Year Year 6 Original WorkRework Disguised results from actual vehicle project ReworkOriginal Work Progress 0.750.50.25 05101520253035404550Time (Month)FractionFraction Reported Complete : Traditional With Rework3 Fraction Really Complete : Traditional With Rework3 Design Progress (Percent Complete) Simulated 100. 75. 50. 25. 0. TIME 1/85 1/89 1/91 1/93 1/95 1/97 1/99 1/01 OriginalWork to Do Work Done Undiscovered ProgressxTime to Discover Rework Rework to Discovery - ProductivityApplied ReworkProgressGeneration + + - WORKBEING DONE PEOPLEPRODUCTIVITY WORKTO BEDONEWORKDONE JanFebMarAprMayJuneJulyAugSeptOctNovDecJanFebMarAprMayJuneJulyAugSeptOctNovDecRequirements DefinitionRequirementsaStart1/1/10DesignbRequirements1/1/103/25/10aBuild/TestcDiesel Specs3/25/105/6/10bCoupleddElec Drive Specs3/26/105/6/10bgSoftware Specs3/26/107/5/10bBody & ChassiseLayout3/26/106/1/10bkChassis Design6/2/1010/21/10elBody Design6/2/1010/5/10esBody Chassis Prototype10/22/1012/28/10k,lElectronics & SoftwarefElectronics Design5/7/109/9/10b,c,dhSoftware Dev9/10/104/7/11g,fpElectronics Delivery9/10/1012/20/10g,fqElectronics Software Int4/8/115/19/11h,pDiesel & Electric DriveiDiesel Dev5/7/101/13/11cjElec Drive Dev5/7/109/9/10dnDiesel Delivery & Check1/14/111/31/11iVehicle & Power Train IntoIntegration2/1/114/25/11j,nrCharging Assembly4/26/115/11/11j,otPower Vehicle Int5/20/118/11/11q,r,sFinal AssemblymInternal Fittings10/22/1012/28/10k,luFinal Assembly8/12/119/22/11m,tTesting & CompletionvDynamo Lab Test9/23/1111/3/11uwRoad Test11/4/112/13/12vxCar Show Setup11/4/111/5/12vyFinish2/13/12 JanFebMarAprMayJuneJulyAugSeptOctNovDecJanFebMarAprMayJuneJulyAugSeptOctNovDecRequirements DefinitionRequirementsaStart1/1/10DesignbRequirements1/1/103/25/10aBuild/TestcDiesel Specs3/25/105/6/10bCoupleddElec Drive Specs3/26/105/6/10bgSoftware Specs3/26/107/5/10bBody & ChassiseLayout3/26/106/1/10bkChassis Design6/2/1010/21/10elBody Design6/2/1010/5/10esBody Chassis Prototype10/22/1012/28/10k,lElectronics & SoftwarefElectronics Design5/7/109/9/10b,c,dhSoftware Dev9/10/104/7/11g,fpElectronics Delivery9/10/1012/20/10g,fqElectronics Software Int4/8/115/19/11h,pDiesel & Electric DriveiDiesel Dev5/7/101/13/11cjElec Drive Dev5/7/109/9/10dnDiesel Delivery & Check1/14/111/31/11iVehicle & Power Train IntoIntegration2/1/114/25/11j,nrCharging Assembly4/26/115/11/11j,otPower Vehicle Int5/20/118/11/11q,r,sFinal AssemblymInternal Fittings10/22/1012/28/10k,luFinal Assembly8/12/119/22/11m,tTesting & CompletionvDynamo Lab Test9/23/1111/3/11uwRoad Test11/4/112/13/12vxCar Show Setup11/4/111/5/12vyFinish2/13/12 a, Start b, Req DieselSpecs d, ElecDriveSpecs Layout ElectronicsDesign g, Software Specs SoftwareDev DieselDev j, ElecDriveDev ChassisDesign l, BodyDesign InternalFittings s, Body/ChassisPrototype ElectronicsDelivery ElectronicsSoftwareInteg DieselDelivery Integration ChargingAssembly Power-VehicleInteg U, FinalAssembly DynamoLab Test RoadTest x, CarShowSetup y, Finish i*,DieselBuild j*, ElecDriveBuild f*,Electronics"Build" h*,Software"Build" OriginalWork to Do Work Done UndiscoveredRework Original Work Done Correctly Rework Generation onOriginal WorkFraction Correctand Complete StaffProductivityOriginal Work BeingAccomplishmedRework BeingAccomplishmed Rework to Do ReworkDiscovery ReworkGeneration onRework Staff on ReworkStaff onOriginal Work Initial Work toDo∀ RqmntsOriginalWork to Do RqmentsWork Done RqmentsUndiscoveredRework Rqmnts Original Work Done Correctly Rqmnts ReworkGeneration on OriginalWorkRequirementsFraction Correct andComplete Requriements StaffRequirements ProductivityRqmnts Original WorkBeing AccomplishmedRqmnts ReworkBeingAccomplishmed RqmntsRework to Do Rqmnts ReworkDiscovery Rqmnts ReworkGeneration onRework Rqmnts Staff onReworkRqmnts Staff onOriginal Work Build/Test InitialWork to Do∀ DesignOriginalWork to Do Design WorkDone DesignUndiscoveredRework Design Original Work Done Correctly Design ReworkGeneration on OriginalWorkDesign FractionCorrect andComplete Design StaffDesign ProductivityDesign Original WorkBeing AccomplishmedDesign ReworkBeingAccomplishmed DesignRework to Do Design ReworkDiscovery Design ReworkGeneration onRework Design Staff onReworkDesign Staff onOriginal Work Build/Test InitialWork to Do∀ Build/TestOriginalWork to Do Build/TestWork Done Build/TestUndiscoveredRework Build/Test Original Work Done Correctly Build/Test ReworkGeneration on OriginalWorkBuild/Test FractionCorrect and Complete Build/Test StaffBuild/Test ProductivityBuild/test OriginalWork BeingAccomplishmedBuild/Test ReworkBeing Accomplishmed Build/TestRework to Do Build/Test ReworkDiscovery Build/Test ReworkGeneration on Rework Build/Test Staffon ReworkBuild/Test Staff onOriginal Work Build/Test InitialWork to Do∀ Project Staff 6045150 06121824303642485460Time (Month)PeopleRequirements Staff : Three P Four Stock No Rework Discrete Start Design Staff : Three P Four Stock No Rework Discrete Start "Build/Test Staff" : Three P Four Stock No Rework Discrete Start Project Staff : Three P Four Stock No Rework Discrete Start Work Done 2,0001,5001,000 06121824303642485460Time (Month)TaskRequirements Work Done : Three P Four Stock No Rework Discrete Start Design Work Done : Three P Four Stock No Rework Discrete Start "Build/Test Work Done" : Three P Four Stock No Rework Discrete Start Project Staff 806040200 06121824303642485460Time (Month)PeopleRequirements Staff : Three Phase Four Stock V1 Design Staff : Three Phase Four Stock V1 "Build/Test Staff" : Three Phase Four Stock V1 Project Staff : Three Phase Four Stock V1 Work Done 1,000 06121824303642485460Time (Month)TaskRequirements Work Done : Three Phase Four Stock V1 Design Work Done : Three Phase Four Stock V1 "Build/Test Work Done" : Three Phase Four Stock V1 Design Stocks 1,000-0.0001 06121824303642485460Time (Month)TaskDesign Original Work to Do : Three Phase Four Stock V1 Design Undiscovered Rework : Three Phase Four Stock V1 Design Rework to Do : Three Phase Four Stock V1 Design Work Done : Three Phase Four Stock V1 Design Fraction Complete 1.50.5 06121824303642485460Time (Month)FractionDesign Fraction Original Work Complete : Three Phase Four Stock V1 Design Fraction Reported Complete : Three Phase Four Stock V1 Design Fraction Really Complete : Three Phase Four Stock V1 Fraction Design Rework Discovered 0.80.60.40.2 06121824303642485460Time (Month)FractionFraction Design Rework Discovered : Three Phase Four Stock V1 Cumulative Effort 2,0001,5001,000 06121824303642485460Time (Month)Person*MonthsCumulative Reqmnts Effort : Three Phase Four Stock V1 Cumulative Design Effort : Three Phase Four Stock V1 "Cumulative Build/Test Effort" : Three Phase Four Stock V1 Cumulative Effort : Three Phase Four Stock V1 Cumulative Effort 2,0001,5001,000 06121824303642485460Time (Month)Person*MonthsCumulative Reqmnts Effort : Three P Four Stock No Rework Cumulative Design Effort : Three P Four Stock No Rework "Cumulative Build/Test Effort" : Three P Four Stock No Rework Cumulative Effort : Three P Four Stock No Rework AprMayJuneJulyAugSeptOctNovDecJanFebMarAprMayJuneJulyAugSeptOctNovDecDesignReworkElectronics & Software -- OriginalBuild/TestfElectronics Design5/7/109/9/10b,c,dCoupledhSoftware Dev9/10/104/7/11g,fpElectronics Delivery9/10/1012/20/10g,fqElectronics Software Int4/8/115/19/11h,pElectronics & Software -- Rework Discovered in Build/TestfElectronics Design5/7/109/9/10b,c,dRRhSoftware Dev9/10/104/7/11g,fpElectronics Delivery9/10/1012/20/10g,fqElectronics Software Int4/8/115/19/11h,p SystemEngineeringSoftware Codeand TestHardwareDesignHardware Buildand TestIntegrateand Test SoftwareDesign Work to Do Work Done UndiscoveredRework Work Accomplishment Rework Generation Rework Discovery OriginalWork to Do Work Done Undiscovered Progressx Rework to Discovery ReworkProgress Work to Do Work Done UndiscoveredRework Work DoneCorrectly Rework Generation Rework DiscoveryFraction Correctand Complete StaffProductivityPotential Work RateBased on StaffingLevels + Project Finished CumulativeWork Done Rate of Doing WorkRework Generation∀ Work Done Correctly∀ Initial Work to CumulativeEffortExpended Effort ExpendedTime to DiscoverRework Project Finished∀ Work BeingAccomplishedMaximum Work RateBased on TasksAvailableMinimum Time toFinish a Task + + + Fraction Completeto FinishInitial Work toDo∀ + - - Normal Staff + Work to Do Work Done UndiscoveredRework Work DoneCorrectly Rework Generation Rework DiscoveryFraction Correctand Complete StaffProductivityPotential Work RateBased on Staff Project Finished CumulativeWork Done Rate of Doing WorkRework Generation∀ Work Done Correctly∀ Initial Work toWork Believed toBe Done Fraction ReallyCompleteInitial Work to Do∀ CumulativeEffortExpended Effort ExpendedFraction of Rework Discovered Project Finished∀ Work BeingAccomplishedMaximum Work RateBased on TasksAvailableMinimum Time toFinish a Task Delay inDiscovering Rework Fraction ReportedComplete Fraction Completeto FinishInitial Work toDo∀ Normal Staff Effect of UndiscoveredRework on FractionCorrectFraction of WorkBelieved Done Correctand Complete Normal FractionCorrect and CompleteMaximum Effect ofUndiscovered Rework onFraction Correct Sensitivity of FractionCorrect to UndiscoveredRework Work Done∀ This reflects the average delay indiscovering discoverable rework,such as from QA activities ordownstream work.This reflects the fraction ofundiscovered rework that isdiscoverable at any point in the projectbased on the activities taking place. Graph Lookup - Table for Effect of Prior Work Quality on Quality 1 0 0 1 Design StartupProject StaffDesign FractionReported CompleteNormal DesignFraction Correctand CompleteDesign Fraction of WorkDone Correct andComplete Design WorkBelieved to Be Done Start DesignRampupEnd DesignRampup Fraction DesignComplete to Start BuildRampup DesignOriginalWork to Do Design WorkDone DesignUndiscoveredRework Design OriginalWork Done Correctly Design ReworkGeneration on OriginalWorkDesign FractionCorrect andComplete Design StaffDesignPlanned Staff Design MinimumTime to Finish a TaskDesign Fraction ofEffort to ReworkDesign Original WorkBeing AccomplishmedDesign ReworkBeingAccomplishmed Design Maximum WorkRate Based on OriginalWork Tasks Available DesignRework to Do Design ReworkDiscovery Design ReworkGeneration onRework Design Staff onReworkDesignProductivity onRework Design Relative EffortRequired for Rework Design Staff onOriginal Work Design ReworkDone Correctly DesignIndicated StaffDesign Maximum WorkRate Based on ReworkTasks Available Design Priority toOriginal Work Design ReworkDiscovered ByDesign℀Design ReworkDiscovered By Build℀ Design RemainingRework Discovered byBuild℀ Time℀ Design InitialWork to Do Design InitialWork to Do℀ Design Effect ofUndiscovered Rework onFraction CorrectSensitivity of DesignFraction Correct to DesignUndiscovered ReworkMaximum Effect ofUndiscovered Rework onFraction Correct℀ Maximum Sensitivity ofDesign Fraction Correct toDesign Undiscovered ReworkFraction ReworkBeing Discovered℀ Design Delay inDiscovering Rewor℀k Design StaffTotalStaff OnReview℀ DesignRework to Do℀ Switch to IncludeRework a, Start b, Req DieselSpecs d, ElecDriveSpecs Layout ElectronicsDesign g, Software Specs h, Software Dev DieselDev j, ElecDriveDev ChassisDesign l, BodyDesign InternalFittings s, Body/ChassisPrototype ElectronicsDelivery ElectronicsSoftwareInteg DieselDelivery Integration ChargingAssembly Power-VehicleInteg U, FinalAssembly DynamoLab Test RoadTest x, CarShowSetup y, Finish Work to Do Work Done Work BeingAccomplishedProductivityStaff OriginalWork to Do Work Done UndiscoveredRework ProgressxFraction Correctand Complete Rework to ProductivityEffortApplied ReworkProgress + +ReworkGeneration - a, Start b, Req DieselSpecs d, ElecDriveSpecs Layout ElectronicsDesign g, Software Specs SoftwareDev DieselDev j, ElecDriveDev ChassisDesign l, BodyDesign InternalFittings s, Body/ChassisPrototype ElectronicsDelivery ElectronicsSoftwareInteg DieselDelivery Integration ChargingAssembly Power-VehicleInteg U, FinalAssembly DynamoLab Test RoadTest x, CarShowSetup y, Finish DesignOriginalWork to Do Design WorkDone DesignUndiscoveredRework Design Original Work Done Correctly Design ReworkGeneration on OriginalWorkDesign FractionCorrect andComplete Design StaffDesign ProductivityDesign Original WorkBeing AccomplishmedDesign ReworkBeingAccomplishmed DesignRework to Do Design ReworkDiscovery Design ReworkGeneration onRework Design Staff onReworkDesign Staff onOriginal Work Build/Test InitialWork to Do∀ Build/TestOriginalWork to Do Build/TestWork Done Build/TestUndiscoveredRework Build/Test Original Work Done Correctly Build/Test ReworkGeneration on OriginalWorkBuild/Test FractionCorrect and Complete Build/Test StaffBuild/Test ProductivityBuild/test OriginalWork BeingAccomplishmedBuild/Test ReworkBeing Accomplishmed Build/TestRework to Do Build/Test ReworkDiscovery Build/Test ReworkGeneration on Rework Build/Test Staffon ReworkBuild/Test Staff onOriginal Work Build/Test InitialWork to Do∀ Design FractionReported CompleteDesign Fraction of WorkDone Correct andComplete Build/Test FractionReported Complete Design StartupProject StaffDesign FractionReported CompleteBuild/TestStartupBuild/Test Delay inDiscovering ReworkBuild/Test FractionReported CompleteNormal DesignFraction Correctand CompleteBuild/Test Effect of DesignUndiscovered Rework OnFraction CorrectDesign Fraction of WorkDone Correct andComplete Design WorkBelieved to Be Done Sensitivity of Build/TestFraction Correct to DesignUndiscovered Rework Normal Build/TestFraction Correct andComplete Build/Test WorkBelieved to Be Done Start DesignRampupEnd DesignRampup Fraction DesignComplete to Start BuildRampupDuration of BuildRampup Fraction Build/TestRework Discovered℀ DesignOriginalWork to Do Design WorkDone DesignUndiscoveredRework Design OriginalWork Done Correctly Design ReworkGeneration on OriginalWorkDesign FractionCorrect andComplete Design StaffDesignPlanned Staff Design MinimumTime to Finish a TaskDesign Fraction ofEffort to ReworkDesign Original WorkBeing AccomplishmedDesign ReworkBeingAccomplishmed Design Maximum WorkRate Based on OriginalWork Tasks Available DesignRework to Do Design ReworkDiscovery Design ReworkGeneration onRework Design Staff onReworkDesignProductivity onRework Design Relative EffortRequired for Rework Design Staff onOriginal Work Design ReworkDone Correctly DesignIndicated StaffDesign Maximum WorkRate Based on ReworkTasks Available Design Priority toOriginal Work Build/TestOriginalWork to Do Build/TestWork Done Build/TestUndiscoveredRework Build/Test OriginalWork Done Correctly Build/Test ReworkGeneration on OriginalWorkBuild/Test FractionCorrect and Complete Build/Test StaffProject FinishedSwitch Build/TestPlanned Staff Build/Test MinimumTime to Finish a TaskBuild/Test Fractionof Effort to ReworkBuild/Test OriginalWork BeingAccomplishmedBuild/Test ReworkBeing Accomplishmed Build/Test Maximum WorkRate Based on OriginalWork Tasks Available Build/TestRework to Do Build/Test ReworkDiscovery Build/Test ReworkGeneration on Rework Staff on ReworkBuild/TestProductivity onReworkBuild/Test RelativeEffort Required forRework Build/Test Staff onOriginal Work Build/Test ReworkDone Correctly Initial Build/TestWork to Do℀ Build/TestIndicated StaffBuild/Test Maximum WorkRate Based on ReworkTasks Available Build/Test Priorityto Original Work Initial Build/TestWork to Do℀ Design ReworkDiscovered ByDesign℀Design ReworkDiscovered By Build℀ Design RemainingRework Discovered byBuild℀ Initial Build/TestWork to Do℀ Build/Test Effect of BuildUndiscovered Rework onFraction CorrectBuild/Test Fraction of WorkBelieved Done Correct andComplete Sensitivity of Build/TestFraction Correct to BuildUndiscovered Rework Time℀ Maximum Effect ofUndiscovered Rework onFraction Correct Design InitialWork to Do Design InitialWork to Do℀ Design Effect ofUndiscovered Rework onFraction CorrectSensitivity of DesignFraction Correct to DesignUndiscovered ReworkMaximum Effect ofUndiscovered Rework onFraction Correct℀ Design Effect of BuildWork on ReworkDiscovery℀Maximum Sensitivity ofBuild/Test FCC to DesignUndiscovered Rework Maximum Sensitivity ofBuild/Test Fraction Correct toBuild Undiscovered ReworkEffect of Build Progresson Build/Test ReworkDiscovery℀ Maximum Sensitivity ofDesign Fraction Correct toDesign Undiscovered ReworkFraction ReworkBeing Discovered℀ Design Delay inDiscovering Rewor℀k Design StaffTotalStaff OnReview℀ DesignRework to Do℀Build/TestRework to Do℀ Switch to IncludeRework Switch toInclude Rewor℀k Time to StartBuild Ramp Up Time℀ TIME STEP℀