Precedence Diagramming Method (PDM)

Precedence diagramming is the method currently being used in nearly all of the project management scheduling software available today. This diagram is used to explain the mechanics of scheduling.

Precedence diagrams can be easily recognized. The network diagram will always be shown with the activity information on the nodes instead of on the arrows of the diagram. The nodes of an activity on precedence diagram will always be shown as rectangles. This diagramming form is always followed.

In its simplest form the diagram contains boxes to indicate the activities in the schedule and arrows connecting them. The boxes can contain any activity information that is desired, and all of the project management scheduling ...

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