A work breakdown structure is key the diagram here shows that the entire project, represented as a level 1 component, can be subdivided into level 2 components, and some or all level 2 components can be subdivided into level 3 components. A work-breakdown structure (wbs) in project management and systems engineering, is a deliverable-oriented breakdown of a project into smaller components a work breakdown structure is a key project deliverable that organizes the team's work into manageable sections. Introduction the work breakdown structure (wbs) is a view into the project which shows what work the project encompasses it is a tool which helps to easily communicate the work and processes involved to execute the project the project manager and project team use the wbs to develop the project schedule, resource requirements and costs. A project with use the obs document in conjunction with the work breakdown structure (wbs) document and the responsibility assignment matrix to ensure that every work package and project deliverable have a single business unit assigned to its production.
In terms of project management practice, wbs is the most important content and it is defined the scope of project while obs is described project management team role and relationship in graphical form and risk breakdown structure is described risks according to risk categories in the project. If you are a project manager and you want to stretch your tasks correctly, then you need to create what is known as a work breakdown structure for your project. The work breakdown structure (wbs) has long served as a valuable tool in helping project managers plan deliverables and detail project scope unfortunately, the business pressures driving projects ha.
How to create a work breakdown structure (wbs) in excel thought not as robust as ms project, excel can be used to create or hack a wbs in a table form #exceltips. Obs basics an organizational breakdown structure is an intermediate level of a different chart that many of you are already familiar with: the work breakdown structure the obs displays organizational relationships and then uses them for assigning work to resources in a project. The obs the organizational breakdown structure, represents the breakdown of the organization, from the highest work unit (company, department) to the lowest (person) we need to know this structure to establish what people should support the development of the project schedule.
A work breakdown structure (wbs) is the best way to understand the detailed work of the project when you have to build a schedule from scratch it's used to break the project down into the major. Help improve the project planning process by generating a project plan from a graphical work breakdown structure (wbs) using this visio 2010 add-in in combination with microsoft project. Once the obs is defined, the wbs should be associated with the lowest level of project responsibility within the obs hierarchy each of the above described hierarchies, when used autonomously, can be used to breakdown the complexity of the project and assist with system and project analysis.
This is known as the work breakdown structure (wbs) after you have created the wbs, you can then create the activities required to achieve those deliverables this article discusses the wbs, and demonstrates how to create a simple wbs in primavera p6. Pm world journal labor productivity improvement in construction projects vol iii, issue x – october 2014 using wbs & obs integration wwwpmworldjournalnet featured paper by essam lotffy. Structure (wbs) / organizational breakdown structure (obs) or responsibility assignment matrix where each cell is a control account a control account can contain either a single or multiple deliverables and should span enough.
Work breakdown structures (wbs) are a guide for defining work as it relates to a specific project’s objectives project professionals use a wbs to define project deliverables and establish the structure to manage work to completion. Project communication handbook september, 2007 ii preface organization breakdown structure (obs) for details about the wbs, see “work breakdown structure” on page 25 for each wbs element, there are: suppliers who provide inputs needed for the wbs element task managers who are responsible for delivering the wbs element. A work breakdown structure is a tool used to define and group a project’s discrete work elements (or tasks) in a way that helps organise and define the total work scope of the project it provides the framework for detailed cost estimating and control along with providing guidance for schedule development and control. Create your wbs with ease using mindview this web page explains how to create a work breakdown structure (wbs) using mindview's wbs software we show what a work breakdown structure is and how it can help in the organization and execution of a project.
Obs and wbs are crossed in a matrix way this matrix is called the ram (responsibility assignment matrix) at the crossing of the obs and wbs we find two kinds of information: the affectation of the resources on the schedule tasks, at the last levels of the tree structures. Earned value management (evm) is a widely accepted industry best practice for program management that is used across the department of defense (dod), the federal government, and the commercial sector. Figure 3-1: organization breakdown structure (obs) as the work breakdown structure (wbs) identifies the work to be done, the organization breakdown structure (obs) identifies the people that will do the work.