A key part of a good construction project plan is the work breakdown structure (wbs) the wbs – construction projects specifies the work assignment for every crew member, subcontractor, architect, and outside consulting engineer working on the project it also specifies the deliverables the . 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 . What is the difference between product breakdown structure (pbs) and a work breakdown structure (wbs) short answer the output of scope management is a specification that may be presented as a product breakdown structure (pbs) showing the deliverables and a work breakdown structure (wbs) showing the work required to produce them. Easy wbs project management support creativity with fast and visual project decomposition it organizes the team's work into manageable sections try easy wbs now. 22 work breakdown structure examples wbs examples for a software project, construction projects, a conference, finding a job, selling a house, planning permission and other real project free to download in visio and pdf format breaking down the work is the first stage of project planning and .
A structure called the responsibility assignment matrix (ram) is developed by integrating the organization breakdown structure (obs) with the contract work breakdown structure (cwbs). Project communication handbook work breakdown structure the rbs/obs list of functional areas, and the. 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.
Organization breakdown structure or obs is a hierarchical model describing the established organizational framework for project planning, resource management, time and expense tracking, cost allocation, revenue/profit reporting, and work management. The concept of an obs is very similar to that of the wbs it's a hierarchy the difference though is that the obs represents the hierarchy of departments involved in a project, while the wbs is the hierarchy of tasks and their respective sub tasks in a project. Obs - ensures a unit and individuals are allocated to perform each project task wbs - breaks down the project activities into manageable chunks using a process of decomposition each chunk of work is small enough to accurately cost both in terms of material and time so that it can be represented on a gantt chart. 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. The intersection of wbs and obs may be a control account or a work package it defines the point of management responsibility for a deliverable or.
A work breakdown structure (wbs) is a project management tool designed to capture project tasks in a visual, organized manner the wbs was originally developed by the us department of defense, which mandated their use across the dod. 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. The responsibility assignment matrix uses the wbs on an axis and the obs on the other to identify the connecting points between the two structures these intersections indicate who (within the organization) is responsible for developing each deliverable. The intersection of the obs and wbs defines points of management accountability for the work called control (or cost) accounts image: anatomy of an organisation/work breakdown structure resource breakdown structure (rbs).
A work breakdown structure is an essential first step in project planning learn more about advantages, design principles, and download templates all about work breakdown structures (wbs) | smartsheet. Refers to a product-oriented work breakdown structure, an fbs refers to a functional work breakdown structure, and an obs appendix b work breakdown structure (wbs . 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. A complete wbs will not only assist in reducing cost and expediting project completion, but will also avoid the annoying circumstance that the final 10% of a project takes as much or more resources and time than the initial 90%.
The intersection of the obs and wbs defines points of management accountability for the work called control (or cost) accounts cost breakdown structure (cbs). 1wbs(-workbreakdownstructure)：工作分解结构——以可交付成果为导向的工作层级分解。其分解的对象是项目团队为实现项目目标、提交所需可交付成果而实施的工作。. The work breakdown structure (wbs) is the foundation for project planning and control it is the connecting point for work and cost estimates, schedule information, actual work effort/cost expenditures,.
Obs - org breakdown struture (project org chart) relationship between project activities and the organizational units that will perform those activities rbs - resource breakdown structure is a hierarchical representation of resources by category and type. In an integrated earned value management system (evms), the contract work breakdown structure (wbs) is the hub upon which all things depend (obs), but it can go . On cbs vs wbs login or register to post comments 12 replies tue, 2001-11-20 05:18 i the fact wbs covers cbs ( obs , etc) and wbs coordinate this items.