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Advantages Of The Earned Schedule

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The Earned Schedule Solution

To resolve the drawbacks of EVM technique, Earned Schedule has been introduced to provide stronger performance measurement indicators that express performance of a project’s schedule in units of time. ES (Earned Schedule) is like a replacement for EV (Earned Value), PD refers to the planned duration of a project or an activity which can be a replacement of PV (Planned Value), while AT which stands for Actual Time of an activity may replaces AC (Actual Cost).
Very similar to EVM calculations, we have new derived equations that relates to project performance measurement but with a more sense of units of time. We now can have a schedule variance that translates into time units, whether it was days or months, which is much more expressive than calculating a schedule variance with a dollar sign.
The following is a comparison between Earned Value and Earned Schedule technique with respect to their main equations:

Earned Value Management Earned Schedule
EV (Earned Value) ES (Earned Schedule)
PV (Planned Value) PD (Planned Duration) …show more content…

Accordingly, Earned Schedule was also a successful and easy derivative of the Earned Value Management tool. It has make things much easy to link between cost and time performance of a project to its schedule analysis. Moreover, Earned Schedule provides schedule performance indices and gauges with time based units, which was not very reachable in the Earned Value Tools. Using ES technique, the future performance of a project can be predicted easily and precisely according to matters of time and durations. Furthermore, Earned Schedule can be used for different sizes, scales and natures of projects. The tool is also considered useful for analyzing the total project, sub-levels and sole activities, as well as, it is capable of analyzing the schedule performance of critical

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