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DOE EVM Tutorial Module 6: ACME Home Building status and estimates at completion

ToolEarned Value
SourceU.S. Department of Energy, Office of Project Management (n.d.). Earned Value Management Tutorial Module 6: Metrics, Performance Measurements and Forecasting. Prepared by Booz Allen Hamilton. ACME Home Building example, pp. 17–48.
LevelProfessional

Problem

As of 31 January the ACME Home Building project has a planned value of 38,269, an earned value of 33,149 and an actual cost of 32,400 against a budget at completion of 165,467; the bottom-up estimate of the remaining work is 133,169. Compute the cost and schedule variances with their percentages, CPI and SPI, the estimate at completion by the bottom-up method and by the three index formulas, and the variance at completion.

Inputs to Enter

  • BAC 165,467; bottom-up ETC 133,169
  • One cumulative period row: 1 38269 33149 32400 (status period 1)
Open the Earned Value tool

Answers

  • CV = 749 (2.3 % of EV), SV = −5,120 (−13.4 % of PV); CPI = 1.02, SPI = 0.87
  • EAC = AC + ETC = 32,400 + 133,169 = 165,569, VAC = −102 (tutorial pp. 36–38)
  • Index EACs: tool 161,728 exact for BAC/CPI = AC + (BAC − EV)/CPI; tutorial 162,222 (BAC/1.02), 162,073 and 162,158 (AC/EV rounded to 0.98) from rounded indices; VAC 3,245 (p. 42)
  • Percent scheduled 23.13 %, complete 20.03 %, spent 19.58 %; work remaining 132,318; TCPI to BAC = 132,318/133,067

Notes

Enter the figures as a single period in place of the default table and give the bottom-up ETC; the tutorial's three index EACs differ from each other only through its rounding of CPI and AC/EV, the exact identities make them one number.

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