Precedent Diagramming Method (PDM) is a general method. Why do we need a network? What information do we need to create one? What is the precedent diagramming method?
(Solved Homework): Precedent Diagramming Method (PDM) is a general method. Why do we need a…
Expert Answer
Precedent diagramming is the method building a project network diagram for scheduling activities of the project and understanding the dependencies between various project activities. It uses boxes, which are called as nodes, to refer to project activities and the interconnection between the activities and the precedence relationship is shown by the help of arrows.
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It provides a diagrammatic relationship between the various activities of the project and helps in better understanding of the schedule and also how activities are interdependent on each other and how the critical path of the project is formed and evolves over the course of project.
The project network being a diagrammatic representation is easier to comprehend and also understand and plan activities. It also shows the interdependencies very clearly which helps in ensuring that activities on critical path are finished on time and project is completed within stipulated time and cost.
The necessary information required to form a project network are:
- Time required for completion of activity
- Dependency relationship between tasks
- Resource requirement for tasks.
