Project Performance Metrics Calculation
1. Given Data
- Budget at Completion (BAC) = $4000
- Total Project Duration = 4 years (48 months)
- Elapsed Time = 17 months
- Work Completed = 35% (0.35)
- Actual Cost (AC) = $1500
2. Calculations
- Planned Value (PV) = (Planned % Complete) * BAC
- Planned % Complete = 17 / 48
- PV = (17/48) * 4000 = $1416.67
- Earned Value (EV) = (Actual % Complete) * BAC
- EV = 0.35 * 4000 = $1400
- Cost Variance (CV) = EV - AC
- CV = 1400 - 1500 = -$100
- Cost Performance Index (CPI) = EV / AC
- CPI = 1400 / 1500 = 0.933
- Schedule Variance (SV) = EV - PV
- SV = 1400 - 1416.67 = -$16.67
- Schedule Performance Index (SPI) = EV / PV
- SPI = 1400 / 1416.67 = 0.988
- Estimate at Completion (EAC) = BAC / CPI
- EAC = 4000 / 0.933 = $4285.71
- Estimate to Complete (ETC) = EAC - AC
- ETC = 4285.71 - 1500 = $2785.71
- Variance at Completion (VAC) = BAC - EAC
- VAC = 4000 - 4285.71 = -$285.71
- To-Complete Performance Index (TCPI) = (BAC - EV) / (BAC - AC)
- TCPI = (4000 - 1400) / (4000 - 1500) = 0.933
3. Results Table
Metric | Value |
---|---|
BAC | $4000 |
PV | $1416.67 |
EV | $1400 |
AC | $1500 |
CV | -$100 |
CPI | 0.933 |
SV | -$16.67 |
SPI | 0.988 |
EAC | $4285.71 |
ETC | $2785.71 |
VAC | -$285.71 |
TCPI | 0.933 |
4. Summary
The project performance metrics indicate that the project is slightly behind schedule (SPI < 1) and over budget (CPI < 1). The estimated cost at completion (EAC) is projected to be higher than the initial budget (BAC), leading to a negative variance at completion (VAC). If cost efficiency is not improved, the project will exceed its allocated budget.
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