Using CPM Model [steps]
1. CPM uses the arrow diagram method [activities and duration on arrows, nodes as connectors] to represent project activities and duration.
2. After building the diagram find the critical path [the path that takes the longest time from start to finish considering all alternatives].
3. Calculate float: how much an activity can slip without affecting the critical path.
4. Calculate Early start: The earliest date an activity can start considering the dependencies.
5. Calculate Early finish: Early start date + duration – 1
6. Calculate Late Start: What is the last date an activity can start considering the dependencies
7. Calculate Late Finish: Late start date + duration – 1
8. Calculate Free Float: Amount of time an activity can be delayed without affecting the dependent activities’ early start date
9. Calculate Negative Float: Occurs when an activity’s start date occurs before a preceding activity’s finish date
When you have calculated all the values, the values will help greatly in the schedule control.
From: http://sitestree.com/?p=11448
Categories:PMP – Project Management
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Post Data:2017-10-17 14:49:26
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