What Is OBS And WBS?

What is a WBS chart?

A work-breakdown structure (WBS) in project management and systems engineering, is a deliverable-oriented breakdown of a project into smaller components.

A WBS also provides the necessary framework for detailed cost estimating and control along with providing guidance for schedule development and control..

What are WBS codes?

In a nutshell, work breakdown structure (WBS) codes are outline numbers that you can apply to tasks and edit to match the specific needs of your business. Project automatically provides basic outline numbers for each task, but you can apply your own customized outline scheme to the project at any time. Newer versions.

What is another name for a work breakdown structure?

Synonyms for work breakdown structure in English work breakdown structure; WBS.

What is a resource histogram?

A bar chart showing the amount of time that a resource is scheduled to work over a series of time periods. Resource availability may be depicted as a line for comparison purposes. Contrasting bars may show actual amounts of resources used as the project progresses.

What is the difference between WBS and OBS?

OBS Basics Like its originator, the OBS allows complex projects to be broken down, providing a more organized representation of the work to be completed. While the WBS is used to define the project during early stages of its cycle, the OBS provides an organizational structure for the project as it moves to completion.

Who creates a WBS?

After the project sponsor defines the scope (overall objective), the project manager and team members begin creating the WBS. They decompose (break down) the scope into 4 to 7 major deliverables that are measurable.

What is WBS example?

For example, here’s a WBS example for an aircraft system: … Thus, you might have one group responsible for building an aircraft. Within this group, you might have one team focused on building the airframe, another on creating a propulsion system, and so on. It’s common to have three levels of decomposition in the WBS.

What is WBS in PMP?

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. … The WBS is decomposed into work packages.

Why is a WBS 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 is a WBS in SAP?

A work breakdown structure (WBS) is a model of the work to be performed in a project organized in a hierarchical structure. The WBS is an important tool which helps you keep an overview of the project: It forms the basis for organization and coordination in the project.

Is a Gantt chart a WBS?

A good WBS looks like an Organisation chart or Tree diagram, with all parts connected and no redundancy. A Gantt chart is created from the Work Breakdown Structure and is a bar chart that tracks tasks across time. It shows the start and finish date of each task and their relationship to each other.

What is WBS budget?

The Work Breakdown Structure (WBS) is the basis for any budget. The WBS includes all the work necessary to create the product of the project. The WBS is created through a decomposition process resulting in deliverables defined at the lowest level of the WBS—work package or what is called a ‘task’ in Project Insight.

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 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.

What is WBS BOM?

You use the WBS BOM browser if you work as a make-to-order producer such as in plant engineering and construction with the project system and WBS BOMs. … If you have created a WBS element for an assembly, you can create a WBS BOM for the assembly. In the WBS BOM, you carry out the project-specific modifications.

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.

How do you create a WBS?

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 is OBS in Primavera?

The Organizational Breakdown Structure (OBS) is a hierarchical based structure that represents your organization. The Enterprise Project Structure (EPS) is also a hierarchical based structure that represents how your projects are organized.

What is Ram in project management?

A Responsibility Assignment Matrix (RAM) describes the participation by various organizations, people and roles in completing tasks or deliverables for a project. … A RAM is also called a Responsible, Accountable, Consulted, and Informed (RACI) matrix. Responsible: Those who do the work to achieve the task.

What is included in a WBS?

A Work Breakdown Structure (WBS) 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. … All the work contained within the WBS is to be identified, estimated, scheduled, and budgeted.

What is OBS in PMP?

OBS (also known as Organizational Breakdown Structure) is used to define the responsibilities for project management, cost reporting, billing, budgeting and project control. The OBS provides an organizational rather than a task-based perspective of the project.