The table below provides information about tasks to be completed on a project, the precedence relationship between tasks and the expected times required to complete each task. Using this information, represent the project tasks on a Activity-on-Node (AON) network diagram, identify all the paths and the critical path, the critical tasks, the ES, EF, LS and LF times for each task and the time
estimate for completing the project.
What will be an ideal response?
The AON network diagram is depicted below:
The ES, EF, LS and LF times with slack computed for each task is also shown in the table below:
The critical tasks are the ones which have a slack of zero, i.e. A,B,D,F and G. There are two paths:
A-B-D-F-G = 17 weeks to complete and
A-C-E-F-G = 15 weeks to complete.
The earliest the project can be completed is week 17.
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What will be an ideal response?
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