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Before a project schedule can be created, the schedule maker should have a work breakdown structure (WBS), an effort estimate for each task, and a resource list with availability for each resource. If these components for the schedule are not available, they can be created with a consensus-driven estimation method like Wideband Delphi. [5]
The work breakdown structure provides a common framework for the natural development of the overall planning and control of a contract and is the basis for dividing work into definable increments from which the statement of work can be developed and technical, schedule, cost, and labor hour reporting can be established.
The work breakdown structure (WBS) is a tree structure that shows a subdivision of the activities required to achieve an objective – for example a portfolio, program, project, and contract. The WBS may be hardware-, product-, service-, or process-oriented (see an example in a NASA reporting structure (2001)). [75]
The GBS is the culmination of three concepts: the hierarchical relationship of product development, the work breakdown structure and requirements traceability.. The concept of a hierarchical relationship among objectives in product development was identified by Joseph M. Juran in Juran's Quality Control Handbook [2] where he states in section 2.2, subsection Hierarchy of Product Features ...
Project Quality Management : the processes and activities of the performing organization that determine quality policies, objectives, and responsibilities so that the project will satisfy the needs for which it was undertaken. Project Resource Management : the processes that organize, manage, and lead the project team. Until the 6th edition of ...
The concept has similarities with the deliverable-oriented work breakdown structure (WBS) decomposition which is used in project management and systems engineering to break down a project into smaller components in a tree structure that represents how the work of the project will create the components of the final product. Resources and cost ...
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.
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]