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Example from MIL-HDBK-881, which illustrates the first three levels of a typical aircraft system [1]. A work-breakdown structure (WBS) [2] in project management and systems engineering is a deliverable-oriented breakdown of a project into smaller components.
The PBS is identical in format to the work breakdown structure (WBS), but is a separate entity and is used at a different step in the planning process. The PBS precedes the WBS and focuses on cataloguing all the desired outputs (products) needed to achieve the goal of the project.
Project management is the process of supervising the ... The work breakdown structure provides a common framework for the ... For example, a WBS is used when the ...
A Guide to the Project Management Body of Knowledge — Sixth Edition provides guidelines for managing individual projects and defines project management related concepts. It also describes the project management life cycle and its related processes, as well as the project life cycle. [9] and for the first time it includes an "Agile Practice ...
WBS reference; Slack/Float: Determines the duration of activity delay that the project can tolerate before the project comes in late. The difference between the earliest and the latest start time. [1]: 502 [2]: 183 i.e. Slack = latest start date - earliest start day or Slack = latest finish time - earliest finish time.
Both human and physical resources, such as software and test instruments, are listed in the example above. The nomenclature is a numbered, hierarchical list of indented layers, each level adds an additional digit representing. For example, the numeric labels (1.1, 1.1.2) make each resource uniquely identifiable. [3]
Work in project management is the amount of effort applied to produce a deliverable or to accomplish a task (a terminal element). Work breakdown structure (WBS) is a method and a kind of representation that defines a project and groups the project's discrete work elements in a way that helps organize and define the total work scope of the ...
The items identified in the Work breakdown structure plus overhead costs, plus costs related in proportion to the planning and performance.) According to the PMBOK (7th edition) by the Project Management Institute (PMI), Earned Value (EV) is defined as the "measure of work performed expressed in terms of the budget authorized for that work." [3]