TC_#70_Control Cost

TC_#70_Control Cost

1. PMBOK

   • Knowledge Area: Cost Managemnt
   • Process Group: Monitoring & Controling
   • Proccess: Control Cost

2. Progress Reporting

3. EVM

   • Earn Value Measurement
   • Measure project performance against the ...
     • Scope base line (WORK)
     • schedule base line (TIME)
     • Cost Base line (COST)
   • Can be use to FORECAST of time, cost and work
   • TERMS
     • PV --> Planned Value
     • EV --> Earned Value
     • AC --> Actual Cost
     • BAC --> Budget At Completion
     • EAC --> Estimate At Completion
     • ETC --> Estimate To Complete
     • VAC --> Variance At Completion
   • Formulas
     • * --> comulative
     • PV ( Plan Value ) = BAC x Planned%Complete
     • Variance
       • CV (Cost of Variance) = EV -AC
         • NEGATIVE --> Over Budget
         • POSITIVE --> Under Budget
       • SV (Schedule Variance) = EV - PV
         • NEGATIVE --> Behind of Schedule
         • POSITIVE --> Ahead of Schedule
       • VAC ( Variance At Completion ) = BAC - EAC
     • Index
       • CPI (Cost Performance Index) = EV/AC
         • We are getting $X worth of work of every $1 spend
         • GREATER than 1 is good
         • LESS than 1 is bad
       • SPI (Schedule Performance Index) = EV/PV
         • Percent of progress
         • GREATER than 1 is good
         • LESS than 1 is bad
     • Forecast
       • EAC (Estimate At Competion)
         • AC + Buttom-up ETC
         • BAC / CPI*
           • Use if BAC have not variance
           • You will continue with the same rate of spending
         • AC + (BAC -EV)
           • used when current variance are thought to be ATIPICAL of the future
         • AC +(BAC -EV)/(CPI* x SPI*)
           • used when current variance are thought to be TYPICAL of the future
       • TCPI (To-Complete Performance Index)
         • ( BAC - EV ) / ( BAC - AC )
           • GREATER than 1 is BAD
           • LESS than 1 is GOOD
       • ETC ( Estimate to Complete )
         • EAC - AC = Reestimate
     • EV (Earned Value) = BAC x Actual%Complete
     • CPI < 1 or SPI < 1 or CV<0 or SV<0 --> TROUBLE

4. Reserve Analysis

5. Schedule Base line

6. Cost Base line

7. Scope Base line

8. Data Work Performance

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