Construction Project Management
Planning & Scheduling
Bar Charts
Building a CPM Schedule
Networks & Logic
CPM Scheduling
Logic Relationships & Precedence Networks
Progress Updating

Using WBS to Break Work Down

A Work Breakdown Structure is a vital component to planning and organizing your CPM work schedule. Here's why.

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In this slide, we see an example of a work breakdown structure WBS. And we see six levels here starting with level 0 and finishing at level 5. And what we see at level 0 and 1 is the whole thing, but what we see at level 2 through 5 is only a portion. I can't draw hundreds or thousands of activities. So I only did an example here, of one, drawing one.

Level 0 is usually one activity which is the entire project. Level 0 means we haven't broken down the project yet. Level 1 is usually a few activities that can be 5, 6, 7 maybe 10. And each one is a more major component of the project. In this case, you know you see the six major components of a building, the substructure and concrete shell, finishes and so on. Level 2, we can take one node of those in level 1 and break it down to several nodes. And then we take level 3, as a break down to level 2 and so on.

Typically, I would say, level 1 has to be one activity level, I'm sorry, level 0 has to be one activity. Level 1 has to be few, level 2 could be maybe 30, 40, level 3, a few hundreds and so on. Level 4 could be couple thousand, level 5 could be even more.

Now, the question is, where would I stop in breaking down? Would I stop at level 3? Would I stop at level 4? Would I stop all the way in level 5 or even 6? The answer is it depends again, on your satisfaction and confidence. My point is, not a...

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