Working methodology of critical path analysis.

The working methodology of Critical Path Analysis (CPA) which includes both CPM and PERT, consists of following five steps:

1. Analyse and breakdown the project in terms of specific activities and / or events.

2. Determine the interdependence and sequence of specific activities and prepare a network,

3. Assign estimates of time, cost or both to all the activities of the network.

4. Identify the longest or critical path through the network.

5. Monitor, evaluate and control the progress of the project by re-planning, rescheduling and reassignment of resources.
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