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When would you use a bottom-up approach to building a work breakdown structure?

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It is arguable that sometimes a bottom-up approach to building the WBS is better than the top-down approach. I just can't see a scenario when that would be the case.

Is there anyone there who can provide an example on when he opted for a bottom-up approach, as well as explaining his decision?
asked 7 years ago by anonymous

1 Answer

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Bottom up approach is usually used for projects that represent entirely new systems or approaches to doing a job or to gain maximum involvement and buy-in from the project team.This approach may be helpful when you do not have a WBS from a similar project to refer to or are trying something for the first time. Lets say you are creating a Retail application online, you would ask the team members to identify specific tasks that they can think of and then aggregate them into summary tasks and futher aggregate them into higher levels.This approach does have its own disadvantage wherein the project team may not be able identify all tasks involved. This approach may be more suited where you have a team of experts.
answered 7 years ago by dimple (2,920 points)

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