As I have said, the WBS is a good way to show the scope of a job. If you have ever given someone an estimate for project cost or time and seen the person have a cardiac arrest, you know that it is generally because the person sees the project as being much simpler than it is. When you show a project in WBS form, it is clear to most individuals why the job costs so much. In fact, sometimes the planning group itself is overwhelmed by the complexity and magnitude of the WBS. If it impresses these pros, think of the impact on the outsider.
Assigning responsibility for tasks is another important use of the WBS. Each task to be performed should be assigned to a specific person. These assignments can then be listed on a separate form, often called a Responsibility Chart (see Figure 4-3).
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