Setting Up Your Work Breakdown Structure

As mentioned earlier in this chapter, many project managers and organizations use a WBS as an essential element of their project management methodology. Similar to the outline structure of your project task list, the WBS is a hierarchical chart view of deliverables in a project in which each level down represents an increasingly detailed description of the project deliverables.

WBS levels can be associated with a particular code set, such as 2.1.3.a. Levels in the hierarchy represent summary tasks, subtasks, work packages, and deliverables. You can define a project’s scope and develop its task lists with the WBS.

Industries, application areas, and organizations experienced with a particular type of project tend to have WBSs developed to represent the life cycles of their typical types of projects, for example, the design of a new vehicle or the construction of an office building.

Understanding Work Breakdown Structure Codes

Each item and level in a work breakdown structure is described by a unique WBS code. Each digit in the code typically represents a level in the structure’s hierarchy, such as 2.1.4.3 or 5.B.c.3. A WBS code such as 1.2.3 might represent the third deliverable for the second activity in the first phase of the project.

Note

In some industries or application areas, the work breakdown structure is also known as the project breakdown structure, or PBS.

In Microsoft Project, any outline structure you set up for your tasks is assigned a set of unique outline numbers. The outline number for the first summary task is 1; the outline number for the first subtask under the first summary task is 1.1 (see Figure 3-23).

The outline number specifies the task’s position in your project plan’s task outline hierarchy.

Figure 3-23. The outline number specifies the task’s position in your project plan’s task outline hierarchy.

By default, Microsoft Project creates WBS codes that are derived from these outline numbers, and you can’t change the code scheme of the outline numbers. However, if you and your organization have a specific WBS coding scheme, you can change the WBS numbering. When working with WBS codes, keep the following in mind:

  • You can have only one set of WBS codes. However, if you use additional coding schemes, you can create up to ten sets of outline codes and then sort or group your tasks by those codes.

    Note

    Certain project management methodologies use other structured and hierarchical codes that can describe your project from different viewpoints. Examples include the organizational breakdown structure (OBS), the resource breakdown structure (RBS), and the bill of materials (BOM).

    Note

    For more information about outline codes, see the section titled Working with Outline Codes in Chapter 25.

  • You can include ordered numbers, uppercase letters, and lowercase letters as part of your custom WBS code format. You can also include unordered characters in the code format.

  • You can automatically generate your custom WBS codes for tasks as you add them.

Setting Up Work Breakdown Structure Codes

To set up your custom WBS code scheme, including any prefix and code mask, follow these steps:

  1. Click Project, WBS, Define Code.

  2. If you use a prefix for the project in front of the WBS code to distinguish it from other projects using the same code format, enter that prefix in the Project Code Prefix box.

  3. In the Sequence field in the first row, select whether the first digit of the code (representing the first level of the hierarchy) is an ordered number, ordered uppercase letter, ordered lowercase letter, or unordered character.

  4. In the Length field in the first row, specify whether there is a length limit for the first code.

  5. In the Separator field in the first row, specify the character that separates the first and second code.

  6. Repeat the procedure in the Sequence field in the second row.

    Continue these steps until all the levels of your custom WBS code are set up (see Figure 3-24). As you enter the code mask for each succeeding level, the Code Preview box shows an example of the code.

    Define your organization’s WBS code format.

    Figure 3-24. Define your organization’s WBS code format.

  7. When finished, click OK. The WBS codes for your tasks are reset to conform to your custom structure (see Figure 3-25).

    Your newly defined WBS codes replace the default WBS codes derived from the outline numbers.

    Figure 3-25. Your newly defined WBS codes replace the default WBS codes derived from the outline numbers.

Note

In Microsoft Project 2003, the Visio WBS Chart Wizard was available to display project information in a Visio WBS chart. In Microsoft Office Project 2007, this feature has been replaced by the visual reports created in Microsoft Office Visio.

Note

For more information about creating a visual report in Visio, see the section titled Creating a New Visual Report Template in Chapter 12.

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