Title: Earned Value Management a tool for project Portfolio management
1Earned Value Managementa tool for project
Portfolio management
- Jim Strong
- DLMP PMO Director
2Earned Value Management
- Defined per PMI PMBOK A management methodology
for integrating scope, schedule and resources,
and for objectively measuring project performance
and progress. - Cost Performance is measured by determining the
budgeted cost of work performed (i.e. earned
value) and comparing it to the actual cost of the
work performed (i.e. actual cost). - Schedule Progress is measured by comparing the
earned value to the planned value.
3Why Use Earned Value Management?
- to help better manage projects and portfolios
of projects within the organization - Adds another capability to the tool box for the
organization and the Project / Program /
Portfolio Manager - Allows Sponsor / Program / Portfolio Managers to
normalize project / program data to enable an
aggregate or portfolio view of the total effort
4Why Use Earned Value Management?
- Facilitates the analysis of project / program
performance - Facilitates the monitoring and communication of
the project/program/portfolio performance - Provides a means to forecast future performance
based on past performance - Facilitates lessons learned through a review of
the project performance trend
5Why Use Earned Value Management?
- Compliments the use of
- PERT analysis (estimating)
- Dependency or Constraint analysis
- Critical Chain analysis
- Issue and Risk analysis
- Resource analysis
- Critical Path analysis
6Earned Value Management
- Measures (key terms)
- Planned Value (PV) Budgeted Cost of Work
Scheduled (BCWS) - Actual Cost (AC) Actual Cost of Work Performed
(ACWP) - Earned Value (EV) Budgeted Cost of Work
Performed (BCWP) - BAC Budget at Complete Total budget, Expense
and Capital planned for the project / program - ETC Estimate to Complete teams updated
estimate to complete the work remaining - EAC Estimate at Complete Total of Actuals and
estimated cost of work remaining to complete the
scope of work for the project / program - Calculated EAC Total of Actuals and estimated
cost of work remaining to complete the scope of
work for the project / program factored by Cost
performance to date
7Earned Value Measurement
Positive numbers are favorable
- Cost Variance
- CV EV AC
- Schedule Variance
- SV EV PV
- Performance Indices
- Cost Performance Index
- CPI EV / AC
- Schedule Performance Index
- SPI EV / PV
- To Complete Performance Index (work remaining /
remaining budget) - TCPI (BAC EV) / (EAC AC)
- Measurement Guidelines
- Green favorable variance to negative 9
variance - Red - gt20 negative variance
or gt than 1.0 is favorable
- Yellow negative 10 to negative 19 variance
8Establishing the project / portfolio Earned Value
Baseline
Each task in a project plan has a value formed
by labor or material cost. allocated over time
Value of each of the Tasks from project
Plan. form the Planned Value
PV
BAC
BAC cum PV at end of project
Time
9Monitoring the Project performance capturing
cost of work performed Actual Cost (AC)
Hours Or material / vendor costs. Are expended
to complete each task
Cap
Cumulative Costs to complete the Tasks from
project Plan. form the Actual cost
10SPI / CPI (cum) worm Chart (example)
- 1.0 is optimal
- Cost and schedule performance tracked over time
to indicate trend - SPI must close to 1.0 to complete the project
CPI can be at any level at completion - TCPI can be used to predict future performance
based on past performance
Favorable
CPI
1.0
SPI
Time
Measurement Guidelines Green favorable
variance to negative 9 variance Red - gt20
negative variance
Yellow negative 10 to negative 19 variance
11Three EV snake charts to ponder (1 of 3)
Green, CV favorable CV 200 CPI 1.1
PV
EV
Green, SV lt 10 SV -150 SPI 0.95
AC
Time
- Possible Scenarios
- Unfavorable Schedule Variance
- Resources not applied at the start of the project
in a timely fashion - Effort continues behind schedule not making up
project delays - What tasks are creating the unfavorable schedule
variance? - Are there specific technical or other issues /
risks driving the variance? - Opportunity - Can we apply more resources to pull
in the schedule? - Favorable Cost Variance
- Tasks not taking as much time as estimated or
planned - Tasks completed by lower cost resource
- Opportunity - Can we apply more resources to pull
in the schedule?
12Three EV snake charts to ponder (2 of 3)
Green, CV favorable CV 300 CPI 1.2
EV
PV
Green, SV favorable SV 200 SPI 1.1
AC
- Possible Scenarios
- Favorable Schedule Variance
- Tasks not taking as much time as planned
- Slack time / schedule buffer built into project
plan - Not as many issues encountered
- Anticipated risks well and applied mitigation
into plan or effort to date - Planned effort padded? what is the basis of
estimate higher rate of probability applied to
project (100 probability versus most likely
50/50?) - Favorable Cost Variance
- Tasks not taking as much effort as estimated or
planned - Tasks completed by lower cost resource
- Check for any material / labor costs not realized
- Is the favorable CV long term? What is the EAC?
Does TCPI support the EAC? - Should we re-baseline the project and put funding
back into the Management Reserve for the Program
/ Practice?
Time
13Three EV snake charts to ponder (3 of 3)
AC
RED, CV gt 20 CV -200 CPI 0.79
PV
Yellow, SV gt9 SV -100 SPI 0.9
EV
- Possible Scenarios
- Unfavorable Schedule Variance
- Effort continues behind schedule team not making
up project delays - What tasks constitute the majority of the
variance? - Do issues continue to linger or are they being
resolved? - Is / are there technical issues / risks driving
the negative variance trend? - Unfavorable Cost Variance
- Tasks taking more effort than estimated
- What tasks constitute the majority of the
variance? How much effort remains? - Do we have the right skill level of resources
versus plan? - Are we managing the scope, do we have scope
creep? (Change Request log?) - What is the EAC? Should we cancel the project?
14Considerations for Implementing
- Time recording system, or equivalent manual
process, absolutely required to capture actual
labor costs - Quality estimates for the project tasks
- Allow adequate time for creation of requirements
and task estimates - Creation of project performance measurement plan
- Usually in the form of MS Project (project
schedule) - Forms the basis for the Planned Value (PV)
- Large material costs need not be included in the
EV as they can represent major step functions
in the EV plans possibly masking the labor
effort of the project
15Recommendations
- Gain Leadership support
- Train the PMs and core Project teams
- Start small, consider pilot
- Keep it simple keep EV milestones and associated
cost accounting activity points to a minimum
(i.e. 600 line MS project plan lines may
consolidate to 20 EV milestones or less)
16Earned Value Management Gold Card
TERMINOLOGY BAC Budget At Completion Total
budget for total contract thru any given
level PMB Performance Measurement
Baseline time-phased budget plan CA Control
Account Lowest CWBS element assigned to a single
focal point to plan control scope /
schedule / budget WP Work Package Near-term,
detail-planned activities within a CA
PP Planning Package Far-term CA activities not
yet defined into WPs PV PLANNED VALUE Value of
work planned to be accomplished EV EARNED VALUE
Value of work accomplished AC ACTUAL COST
Cost of work accomplished EAC Estimate At
Completion Estimate of total cost SLPP Summary
Level Planning Package Far-term activities not
yet defined into CAs TCPI To Complete
Performance Index Efficiency needed from time
now to achieve an EAC (DAU Defense
Acquisition University, US DoD training policy
support
for their
acquisition workforce) (tool downloaded from
https//acc.dau.mil/CommunityBrowser.aspx?id17810
) Modified for DLMP PMO use 02/06/2007
VARIANCES Favorable is Positive, Unfavorable is
Negative, Green if lt10, 10ltYellowlt20, Red
gt20 Cost Variance CV EV AC CV
(CV / EV) 100 Schedule Variance SV EV
PV SV (SV / PV) 100 Variance at
Completion VAC BAC EAC
BCWS PV BCWP EV ACWP AC
OVERALL STATUS Schedule (PVCUM / BAC)
100 Complete (EVCUM / BAC) 100
Spent (ACCUM / BAC) 100
TRIPWIRE METRICS Favorable is gt 1.0, Unfavorable
is lt 1.0, Okaygt0.91, 0.90gtconcerngt0.80,
escalatelt0.79 Cost Efficiency CPI
EV / AC Schedule Efficiency SPI EV /
PV
TO COMPLETE PERFORMANCE INDEX (TCPI) TCPIEAC
Work Remaining / Cost Remaining (BAC EVCUM) /
(EAC ACCUM)
ESTIMATE AT COMPLETION EAC Actuals to
Date (Remaining Work) / (Efficiency
Factor) EACCPI ACCUM (BAC
EVCUM) / CPICUM BAC / CPICUM
EACComposite ACCUM (BAC EVCUM)
/ (CPICUM SPICUM)
EVM Home Page https//acc.dau.mil/evm eMail
Address EVM.dau_at_dau.mil DAU POC (703) 805-5259
(DSN 655) Revised December 2006