Why Is A WBS Important?

What is the purpose of WBS quizlet?

WBS divides a project into manageable tasks that can be individually planned, estimated and controlled.

WBS is the entry data needed to produce a cost or time schedule..

What are the different types of WBS?

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 is a project WBS?

A WBS, as defined in the PMBOK® Guide—Third Edition is “a deliverable-oriented hierarchical decomposition of the work to be executed by the project team to accomplish the project objectives and create the required deliverables. It organizes and defines the total scope of the project.

What is a work breakdown structure quizlet?

What is a WBS? – It is representative of work as an activity and this work has a tangible result (deliverable). – It is a project management technique or tool for defining and organizing the scope of a project. – It is arranged with a hierarchical structure.

How is a WBS created?

To begin creating a WBS, define level one, the main deliverable of the project. Then add as much detail as possible to level two before moving to smaller chunks of work in level three and beyond, if needed.

How detailed should a WBS be?

Generally speaking, a WBS should include about three levels of detail. Some branches of the WBS will be more subdivided than others, but if most branches have about three levels, the scope of your project and the level of detail in your WBS are about right.

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.

Why is it important to ensure the WBS has accurate time and cost estimates?

The WBS provides the project manager and team with the necessary framework of tasks going forward to create detailed cost estimates and also to provide a major input to project task scheduling at the most detailed and accurate level possible. …

What is mean by work breakdown structure?

Work breakdown structure (or WBS) is a hierarchical tree structure that outlines your project and breaks it down into smaller, more manageable portions. In Wrike, you can build a WBS by creating folders and subfolders, and can even go further to divide individual tasks into subtasks.

What is WBS and why is it important?

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 benefits 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.More items…

What stage should WBS be prepared?

The project team prepares the WBS as the first step of the planning process as soon as a SMART objective is determined and the requirements of the party commissioning the project and expectations of the project client (or other important stakeholders) are known.

What is the lowest level of WBS called?

work package levelThe work package level is the lowest level of a work breakdown structure (WBS). The WBS is developed during the “Create WBS” planning / scope process.

What is the highest level of WBS?

It shows all the work that needs to be accomplished. 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.

Does every project need a WBS?

Every project has a WBS, just like they all have schedules and budgets. They aren’t always well done or even written down, but every project manager has some idea of what they are doing, how long they think it will take and how much they think it will cost.

How are the work breakdown structure and change control connected?

How are the work breakdown structure and change control connected? The WBS and change control are directly linked. Any change from the baseline developed from the WBS needs to be recorded. The link allows management to trace changes and problems directly to deliverables and the organization unit responsible.