What is the lowest level of the WBS called? (2024)

FAQs

What is the lowest level of the WBS called? ›

The lowest level of the WBS is known as the work package level. A WBS makes the relationship of work packages clear by decomposing larger work into smaller, more manageable components that outline the work needing to be accomplished for the project to be completed.

The lowest Level Elements in the WBS are called Work Packages. Create the WBS Dictionary descriptions at the Work Package Level with detail enough to ensure that 100% of the project scope is covered. The descriptions should include information such as, boundaries, milestones, risks, owner, costs, etc.

Each WBS usually has 4 levels: the project objective, tasks, subtasks, and work packages. The structure should include 100% of the work needed to complete the project. You can make a WBS in project management software for easier use throughout your project.

A deliverable at the lowest level of the WBS is called a work package.

A work package is the smallest unit of a Work Breakdown Structure. When preparing a Work Breakdown Structure using the decomposition technique, deliverables are generally broken down into smaller, more manageable chunks of work.

The first WBS level is to state your project title, goal or scope of the project. This could be the name of the final product or set of required deliverables, or a successful implementation of a new process. In process or phase-based WBS, this level will guide the stages of your project.

Level of WBS depends on your defining the coding mask. The maximum number of levels available is 99 Technically. Work breakdown structure should not contain more than 10,000 WBS elements.

It breaks down the project scope into control accounts and divides it into project work packages and tasks. A phase-based WBS typically breaks the first level down into five elements (initiation, planning, execution, control, closeout) and then identifies deliverables within those phases.

A work breakdown structure is a hierarchical decomposition of an entire project into smaller and more manageable components or tasks. A work breakdown schedule, on the other hand, is a time-based plan that shows the duration and order of each task in the work breakdown structure.

A work breakdown structure can be formatted in various ways, including as an outline (basically, a numbered list), a hierarchical table, or a tree diagram. Regardless of format, a WBS will typically include outline numbering to represent the sequential order of each level and activity.

What are all of the lowest level work packages in the work breakdown structure? ›

Organize deliverables into work packages.

Work packages are the lowest level of the breakdown and should define the work, duration, and costs for each task, as well task owners. Each work package should provide assignments that can be completed within a reporting period.

The lowest-level WBS components are called work packages and contain the definitions of work to be performed and tracked. These can be later used as input to the scheduling process to support the elaboration of tasks, activities, resources, and milestones which can be cost estimated, monitored, and controlled.

The PMBOK Guide defines work package as “the work defined at the lowest level of the work breakdown structure for which cost and duration can be estimated and managed”.

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The top level of a WBS states the project's title and the final deliverable. You can start creating your WBS with this section by stating the overall scope of the project. Use clear language to identify what the completed project should look like so everyone on your team understands what goal they are working toward.

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The planned work is contained within the lowest level WBS components, which are called work packages. A work package can be scheduled, cost estimated, monitored, and controlled. In the context of the WBS, work refers to work products or deliverables that are the result of effort and not to the effort itself.