I initiated and managed a lot of projects over my career of 30 years or so. Along the way, I observed some common mistakes, both my own and others, that impact the quality of estimates for cost and schedule. Much of this comes down to the way these estimates are prepared. I’ve got a few thoughts to share on managing the preparation of preliminary estimates, so that proposed projects can be approved based on information that the decision makers can believe reflect an understanding of both the problems and the solutions, and how to achieve them.
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