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Fundamentals of Project Management, 5th Edition by Joseph Heagney

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CHAPTER 7

USING THE WORK BREAKDOWN STRUCTURETO PLAN A PROJECT

In a previous chapter, I said that planning answers the questions, “What must be done?,” “How long will it take?,” and “How much will it cost?” Planning the what is vital; projects frequently fail because a significant part of the work is forgotten. In addition, once tasks have been identified, the time and resource requirements must be determined. This is called estimating.

A major problem in project planning is determining how long tasks will take and what it will cost to do them. Inaccurate estimates are a leading cause of project failures, and missed cost targets are a common cause ...

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