Join Chris Croft for an in-depth discussion in this video Drawing double critical paths, overlap, and lead and lag, part of Learning Gantt Charts.
- Next I want to explain a few minor complications…that can happen when you're finding…and drawing your critical path.…For a start, what if there are two critical paths?…This happens when you have two equal…longest paths through your network diagram.…Two tasks, or rows of tasks, that take the same time.…And the answer is, it's easy.…You just draw them one above the other…like this.…Next, what if you have tasks that you want…to overlap a little in order to save time?…Overlap can be just shown as it is.…
In my example here, I'm modifying my buildings…while still waiting for the last furniture…quotations to come in.…You just show the rectangles overlapping.…But often a better way to show overlap…is to granulate the task, which means…cut them up into smaller parts.…The reason for this, is that when you…overlap things, you need to know exactly…when the second one can start.…At what point halfway through the first task…can we start the second one?…So you draw this by either dividing…the first or the second task.…
I'll just give you an example of this…
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- Describe the layout of a Gantt chart.
- Define the critical path.
- Differentiate between agile, scrum, and waterfall.
- Determine how to position the floating tasks.
- Explain when it’s ideal to use a Gantt template.
- Summarize why a Gantt chart is useful for communicating with customers.