Wednesday, 12 February 2020

Work Breakdown Structure

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Work Breakdown Structure


? The Work Breakdown Structure (WBS) is a hierarchical description of the work that must
be done to complete the project as defined in the Project Overview Statement.
? An activity is nothing but simply a chunk of work. Activities turn to tasks at some level in
the hierarchy. The terms activity and task have been used interchangeably among project
managers and project management software packages.
? A work package is a complete description of how the tasks that make up an activity will
actually be done. It includes a description of the what, who, when, and how of the work.
? Breaking down work into a hierarchy of activities, tasks, and work packages is called
decomposition. Decomposition is important to the overall project plan because it allows
you to estimate the duration of the project, determine the required resources, and schedule
the work.
? The WBS can be used as Thought process tool, Architectural design tool, Planning tool and
Project status reporting tool. It is the project manager who decides on the architecture of
the WBS and the level of detail required.
? The best way to generate the WBS is as part of the Joint Project Planning (JPP) session. One
of two simple decomposition processes is used to identify the activities that must be
performed from the beginning to the completion of the project.
? These activities are the lowest level of managed work for the project manager. There are
two approaches can be used to identify the project activities.
? There are Six Criteria to Test for Completeness in the WBS. The best way to build a WBS is
as a group activity.
? To create the WBS, assemble a facilitator, the project manager, the core members of the
project team, and all other managers who might be affected by the project or who will
affect the project.
? There are many ways to build the WBS but none can be said as the correct one.



Activity: An activity is nothing but simply a chunk of work.
Decomposition: Breaking down work into a hierarchy of activities, tasks, and work packages is
called decomposition.
Task: A task is a smaller chunk of work. The terms activity and task have been used
interchangeably among project managers and project management software packages.
Work Breakdown Structure (WBS): WBS is a hierarchical description of the work that must be
done to complete the project as defined in the POS.
Work Package: A work package is a complete description of how the tasks that make up an
activity will actually be done. It includes a description of the what, who, when, and how of the
work.

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