2.3 Critical Path Method (CPM)

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Tasks (possibly from a Gannt chart) can be put in a network diagram.

Earliest Start (ES) the earliest time a task can start.

Minimum Project Duration - the shortest time to complete the project based upon the longest path.

Desired Project Duration - the planned time for completing the project.

Latest Start (LS) - the latest a task can start for a Desired Project Duration.

Total Float (TF) = LS - ES

Critical Path - the sequence of tasks that take the longest, and dictate the Minimum Project Duration.