15B Critical path analysis. In a critical path analysis, edges represent activities. Nodes (vertices) represent the end of one activity and the start.

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Presentation transcript:

15B Critical path analysis

In a critical path analysis, edges represent activities. Nodes (vertices) represent the end of one activity and the start of subsequent activities. The immediate predecessor of an activity is an activity that must be completed before the next activity can commence.

The earliest start time (EST) is the earliest that any activity can be started after all prior activities have been completed and is recorded in the triangle preceding the activity. Float time is the difference in time between those activities that cannot be delayed and those that can. The latest start time is the latest time that an activity may begin without delaying the entire project.

The critical path is the path through the network along activities that cannot be delayed without delaying the entire project. Ex 15B, Q. 5, 6, 7, 8, 9, 10, 11b, 11d, 12