Budgeted Cost of Work Performed (BCWP)

Budgeted Cost of Work Performed (BCWP)

EVMS Guidelines and Required Elements

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Video Contents

This video reviews the data points that an Earned Value Management System provides and how variances can be calculated from those data points.  Timely analysis of performance data and variances assists contractors to proactively resolve issues and effectively manage the remaining work on a project.

You can use the links below to jump to a specific part of the video.

Earned Value Contractors’ Internal Systems must be able to provide the following:
00:06Budgeted Cost for Work Scheduled (BCWS)
00:26Budgeted Cost for Work Performed (BCWP)
00:38Actual Cost of Work Performed (ACWP)
00:47Buget At Completion (BAC)
00:52Estimate At Completion (EAC)

Variances can be calculated using the BCWS, BCWP, ACWP, BAC and EAC.
00:58Variances Explanations
01:03Schedule Variance (SV)
01:19Cost Variance (CV)
01:31Variance at Completion (VAC)
01:45Why do we calculate Variances?


01:54EAC and BAC Comparison
2:06What does Variance at Completion (VAC) indicate?
2:18Structure your Earned Value Management System so that Variances can be traced to their source.
2:32Use your existing project management systems.

We also have additional free resources for learning about

You can also find Earned Value Definitions as well as additional free resources for learning more about EVMS concepts like Budgeted Cost for Work Performed (BCWP), Actual Cost of Work Performed (ACWP), Buget At Completion (BAC), and Estimate At Completion (EAC) in our EVMS Education Center and in other posts on this blog.


More EVMS Training

If you liked this video you can purchase the entire course below. This video is an excerpt from the Department of Defense (DOD) version of this eLearning module. We also offer the same course customized for the Department of Energy’s (DOE) specific Earned Value Management (EVM) implementation/requirements, as well as a version of the course customized for NASA’s EVM implementation/requirements.  

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EVMS DOD Virtual Learning Lab

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EVMS DOE Virtual Learning Lab

— Purchase the NASA Version of this Course —
EVMS NASA Virtual Learning Lab


EVMS Document Matrix

EVMS Document Matrix

Not sure what the different requirements are between the DOE and NASA? Can’t remember if Cost and Software Data Reporting (CSDR) is required for an NSA contract? Check out our easy to read Earned Value Management Systems Document Matrix


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EVMS Guidelines and Required Elements Read Post »

Using the Same Rate for BCWS and BCWP

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Using the Same Rate for Budgeted Cost for Work Scheduled (BCWS) and Budgeted Cost for Work Performed (BCWP)
There is often an EVMS project managers debate regarding which rates to use for common budget costing EVMS data elements. For Actual Cost of Work Performed (ACWP), it is fairly obvious as the most recently approved actual rates are applied. A planning rate is generally used for BCWS and BCWP, but many in the EVM project management industry use incorrect rate application for the BCWP calculation. In some cases EVM contractors use a weighted average rate; the percent complete in hours multiplied by the dollarized BAC to derive the BCWP in dollars. This method is noncompliant with the EIA-748 Guideline 22 which states that if work is planned on a measured basis, then the BCWP must be calculated on a measured basis using the same rates and values. In other words, the rate and methods used to calculate BCWS and BCWP must be the same. As shown in Example #1, it can be seen that work planned in hours (BCWS) was performed as scheduled (BCWP) each month. Each hour was planned at a rate of $100/hour until the end of the calendar year when the rate increased to $105/hour. In this example, the rates used to calculate BCWS and BCWP are the same.
EVMS: BCWS & BCWP rate calculation example table #1
EVMS: BCWS & BCWP rate calculation example table #1

Example #2 below illustrates a very common scenario. In this example work that was planned in November and December was not completed until the next year. In January, the rate increased from $100 to $105. What should the BCWP in dollars be for both January and February?

EVMS: BCWS & BCWP rate calculation example table #2
EVMS: BCWS & BCWP rate calculation example table #2

For both January and February, the original 10 hours planned was earned at $105/hour equaling $1,050. The work that was planned in November and December, but completed late in January and February, was earned at its planned rate of $100/hour resulting in $1,000 of BCWP.  The sum ($1,050 + $1,000) equals the BCWP of $2,050 in each month. See the Example #3 graphic below:

EVMS: BCWS & BCWP rate calculation example table #3
EVMS: BCWS & BCWP rate calculation example table #3

Even though the rate was escalated in the new year, the BCWP that should have been earned in the prior year is calculated using the rate that was originally planned. The same approach would be logical if the work planned at $105 per hour were performed ahead of schedule in let us say, December of the prior year. It would be earned at $105 per hour even though it was performed in a time frame where the planning rate is $100 per hour. In some instances, business systems are programmed to earn as a percent of the entire Budget at Completion (BAC). This could result in an inaccurate BCWP dollar value. As an example, let us assume 10 hours are earned in September. If those 10 hours were 1/8 of the total BAC, then the BCWP dollars associated with this 10 hours would be $102.50 per hour and the contractor would be earning too much for those 10 hours. They must earn at the planned $100 per hour! Thus the rate used for BCWP is the same as for BCWS and is compliant with Guideline 22; one earns in the same manner as they plan to earn.

In summary, EVM concepts require that in order for the work to be complete, cumulative values of BCWS and BCWP must equal the BAC.  So, from a common-sense standpoint, if BCWP is earned at a different rate than that used for planning the BCWS, the Control Account (or even the Contract) cannot be closed properly.  Examples:

  • If BCWP earns at a lower rate, the BCWP would be, say, 98% of the BAC when the actual work is done.
  • Likewise, if BCWP earns at a higher rate, the BCWP would be, say, 105% of the BAC when the actual work is concluded.

Both of these scenarios violate the EVM concepts.

Using the Same Rate for BCWS and BCWP Read Post »

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