Appendix B

Evolution of the Project Management Institute Practice Standard for Work Breakdown Structures

B.1 Initial Development: 1999–2001

During the development and subsequent publication by the Project Management Institute (PMI®) of A Guide to the Project Management Body of Knowledge (PMBOK® Guide), it was recognized that project management practitioners and other stakeholders would be aided by more in-depth treatment of the listed inputs, tools and techniques, and outputs. Consequently, in early 1998, PMI asked for volunteers to develop the first such practice standard, specifically on the Work Breakdown Structure (WBS). A volunteer team was assembled and during the year worked through a number of drafts and revision cycles.

In early 1999, ...

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