Project network

 ( Charts ) 

A project network diagram, also known an activity network diagram ( AND) is a graph that displays the order in which a project’s activities are to be completed. Derived from the work breakdown structure, the terminal elements of a project are organized sequentially based on the relationship among them. It is typically drawn from left to right to reflect project chronology.

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Techniques

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Activity-on-Node The Activity-on-Node (AON) technique uses nodes to represent individual project activities and path arrows to designate the sequence of activity completion.Kramer, S. W. & Jenkins, J. L. (2006). Understanding the basics of CPM calculations: what is scheduling software really telling you? Paper presented at PMI® Global Congress 2006—North America, Seattle, WA. Newtown Square, PA: Project Management Institute. Nodes are labelled using information pertaining to the activity. According to Project Management, nodes should at least display the following information:

Jeffrey K. Pinto (2026). 9780134730332 ISBN 9780134730332

• Identifier
• Descriptive label
• Activity duration
• Early start time
• Early finish time
• Late start time
• Late finish time
• Activity float (slack)

Start and finish times are used to determine the critical path of a project. Activity float, or slack, time is used in project crashing.

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Other techniques The condition for a valid project network is that it doesn't contain any circular references.

Project dependencies can also be depicted by a predecessor table. Although such a form is very inconvenient for human analysis, project management software often offers such a view for data entry.

An alternative way of showing and analyzing the sequence of project work is the design structure matrix or dependency structure matrix.

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See also

• Bar chart
• Float (project management)
• Gantt chart
• Project management
• Project planning
• Program evaluation and review technique

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External links

• Critical Path Mapping with Activity Network Diagrams
• Understand how scheduling tools works-Draw network diagram yourself

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