What Is A WBS In Project Management?

Why do we use WBS for project management?

The WBS makes the deliverables more precise and concrete so that the project team knows exactly what has to be accomplished within each deliverable.

This also allows for better estimating of cost, risk, and time because you can work from the smaller tasks back up to the level of the entire project..

What are the different types of WBS?

So the two types of WBS are,Deliverables Oriented. You may come across several other names for this like – Entity Oriented, Noun Oriented or Product Oriented WBS. … Phase Oriented. The other names for this that you might come across are – Activity or Task Oriented, Verb Oriented or Process Oriented WBS.

How the Gantt chart improves on the WBS?

2 Answers. The WBS breaks down what you are building for the project into smaller, more manageable components. … The WBS shows what you are doing and the Gantt chart shows when you are doing it. You would use the WBS for scope control, including change management, and you would use the Gantt chart for schedule control.

What is the difference between WBS and WBS dictionary?

A document that provides detailed information about deliverables, activity and scheduling of each component in the Work Breakdown Structure (WBS). The WBS Dictionary describes each component of the WBS with milestones, deliverables, activities, scope, and sometimes dates, resources, costs, quality.

What is WBS and its types?

The Project Management Institute (PMI) Project Management Book of Knowledge (PMBOK) defines the Work Breakdown Structure as a “deliverable oriented hierarchical decomposition of the work to be executed by the project team.” There are two types of WBS: 1) Deliverable-Based and 2) Phase-Based.

What do you mean by WBS?

Work breakdown structureThe WBS is a method for getting a complex, multi-step project done. … Work breakdown structure (or WBS) is a hierarchical tree structure that outlines your project and breaks it down into smaller, more manageable portions.

What stage should WBS be prepared?

The number of levels necessary for a program WBS is determined during the actual preparation of the WBS since each significant task must be included in the WBS in a logical hierarchical manner. In other words, a WBS should be prepared to the lowest level necessary to account for all significant program tasks.

What is the benefit of WBS?

The benefits of creating a WBS include: it defines and organizes the work required. it facilitates the quick development of a schedule by allocating effort estimates to specific sections of the WBS. it can be used to identify potential scope risks if it has a branch that is not well defined.

How do you convert a WBS to a Gantt chart?

To create a Gantt chart from your WBS, you will need to update the branches, so they become a task list. You may need to rearrange the branches, removing some tasks and adding others. Add the duration (usually in days) and a start date to each task. Link tasks together so they are in a logical order.

What is 100 rule in project management?

This rule states that the WBS includes 100% of the work defined by the project scope and captures ALL deliverables—internal, external and interim—in terms of work to be completed, including project management.

What are the steps in the WBS?

A Four-Step Guide to the Work Breakdown StructureStep One: Identify the most important pieces of scope. … Step Two: Decide on the best project organization. … Step Three: Break down the project. … Step Four: Identify the known attributes for each activity.

What is WBS and OBS?

Work Breakdown Structure (WBS) captures all elements of projects in an organized fashion. … OBS (also known as Organizational Breakdown Structure) is used to define the responsibilities for project management, cost reporting, billing, budgeting and project control.

What is WBS in project management example?

A work breakdown structure (WBS) is a visual, hierarchical outline to guide your project. By first breaking down the deliverables, you can then create tasks, which can again be broken down into subtasks as many times as needed to address the goals of the project.

Is a Gantt chart a WBS?

You use the Gantt chart for schedule control. A Gantt chart is created from the Work Breakdown Structure and tracks tasks across time. It shows the start and finish date of each task, their dependencies, and their relationship to each other in terms of sequencing.

How do you create a WBS in project management?

How to Create a WBS: The High-Level ViewDetermine and describe the project statement.Highlight all the necessary phases of the project.Create and list the deliverables (as well as how success will be measured)Divide the deliverables into manageable tasks.More items…

What are the three levels of WBS?

The WBS contains 100% of all the work in the project. At the top level is the project ultimate goal, the second level contains the project objectives, the third level has the project outputs and the fourth level with activities.

What is WBS diagram?

Work Breakdown Structure Diagram The Work Breakdown Structure (WBS) is developed to establish a common understanding of project scope. It is a hierarchical description of the work that must be done to complete the deliverables of a project.

What is project life cycle?

What is a Project Life Cycle? The project life cycle is a 4-step framework designed to help project managers guide their projects successfully from start to finish. The purpose of the project life cycle is to create an easy to follow framework to guide projects.