We would like to show you a description here but the site wont allow us. Work breakdown structure a work breakdown structure wbs is a decomposition of all the work necessary to complete a project. Pdf project planning practices employ various methods at various stages, with work breakdown structure wbs being a prominent starting. What are the advantages and disadvantages of product. Apm web briefing use of product breakdown structures and work breakdown structures introduction product breakdown structures and work breakdown structures look very similar and both have important roles to play in the project planning and control process. In project management, a product breakdown structure pbs is a tool for analysing, documenting and communicating the outcomes of a project, and forms part of the product based planning technique. Cdc unified process practices guide work breakdown structure up version. Some of the advantages and disadvantages of product structure are that product structure enables companies to remain flexible in the business environment. In reality, wbs is a simple and easy visual breakdown of deliverables for product, result, or service. It is a taskoriented system for subdividing a project into product components. Typical use of breakdown structure as a project management tool includes work breakdown structure wbs, resource breakdown structure, risk breakdown structure and organization breakdown structure obs, or sometimes known as organization chart.
Figure 1 below is a sample product breakdown structure. Resources are identified for each item within the wbs that facilitates budgeting as well as assignment of responsibilities. Pbs explains what major activities are to be undertaken to take the project through all phases of the lifecycle. The first two levels of the wbs the root node and level 2 define a set of planned outcomes that collectively and exclusively represent 100% of the project scope. Apm web briefing use of product breakdown structures and work. Project management at the movies has a people focus which is one of the most difficult aspects of managing any project standish group, 1995. A work breakdown structure, commonly abbreviated wbs, is a key project deliverable that is utilized to organize a project teams work and responsibilities into compact sections that are more manageable. Thus, some of the efficiency gained by specialization is.
It is the connecting point for work and cost estimates, schedule information, actual work effortcost expenditures, and accountability. Apr 08, 2020 a product breakdown structure pbs is an element of project management that breaks down all the components used in a product. Development of hybrid product breakdown structure for nasa. A product breakdown structure helps us break down the product we are aiming to build into all its subproducts. Strategies for product structure management at manufacturing firms article pdf available in journal of computing and information science in engineering 21. Location is the container for data which relates to the quantum of the project. Applying the work breakdown structure to the project. From your gantt chart view, click the all dates menu at the top of your gantt chart, and select only milestones from the dropdown. It looks like the organisational structure of a company or a family tree. A paradigm that has a strong association with a vision, driving that vision, communicating it through a structured framework. Pdf work breakdown structure pdf work breakdown structure download. Pdf the role of cost breakdown structure in life cycle cost. Product breakdown structure bbs is a project management tool and important part of the project planning.
Simply follow these steps to share a pdf of key project milestones in your gantt chart. In project management under the prince2 methodology, a product breakdown structure pbs is a tool for analysing, documenting and communicating the outcomes of a project, and forms part of the product based planning technique. The main difference between pbs and wbs is that the product management structure only includes the physical elements of a product. Sep 20, 2019 if the productbased organizational structure isnt right for your business, there are many other types of organizational structures you can utilize. A wellorganized pbs can also help the project manager as an assembly manual to organize the logistics of the construction site, so the. A work breakdown structure showing fundraising project. Overview if your are familiar with prince2 pre2009 1, youll know that it recommended the use of a number of techniques, one of which is product based planning. Pbs product breakdown structure fbs feature breakdown structure bom bill of materials rbs risk breakdown structure cbs contract breakdown structure their functions can be briefly defined as follows. Product breakdown structure your project needs to be broken down into major components leading up to the objective. Many people have mistaken wbs as a list of tasks, a schedule or an organization chart. This paper highlights the basic process of developing a life cycle cost model and the role of cost breakdown structure for water distribution pipeline networks. Mar 20, 2012 the work breakdown structure is a deliverableoriented, hierarchical decomposition of the work to be completed by the project team.
It breaks the project into major phases instead of tasks. Nazila mazaheri artinarsing rao sharmithas madhukumar sandhya urs j 2. Different peoples working within the field of project management has different understanding of what wbs and pbs means. The ground operations product breakdown structure needs to be able to identify the. Product breakdown structure pbs expert program management.
A pbs is often also called as product oriented work breakdown structure. Project work breakdown structure wbs september 28, 2012. The intent of this simple project structure is to illustrate use of the diagram techniques not to offer a complete model for the implementation of third party software. Deliverableoriented wbs structures are the preferred type according to pmis definition. Presenters christopher bucksa, senior project manager, university services pmo. Breakdown structures wbs as they begin the process of. This project wbs template is free for you to copy and use on your project. A product breakdown structure pbs is a hierarchical structure of things that the project will make or outcomes that it will deliver. The product breakdown structure is traditionally a method of identification of the products of a project in a tree structure. Pdf strategies for product structure management at. By breaking the project down into discrete components or tasks, we create what is known as a work breakdown structure or wbs. You can edit this work breakdown structure using creately diagramming tool and include in your reportpresentationwebsite. Wbs shipbuilding process shipbuilding process started with the design and end of with delivery to. This pbs results in a work breakdown structure wbs, which shows the work required to produce the deliverables pbs and reach these milestones.
Product breakdown structure pbs in ms project ms project. Work and resource breakdown structures for formalized bottomup estimating article pdf available in cost engineering morgantown 462 january 2004 with 3,412 reads how we measure reads. A wbs is arranged in a hierarchy and constructed to allow for clear and logical groupings, either by activities or deliverables. Wbs work breakdown structure what is wbs and what is its purpose each project is complex. Within pmbok circles this definition fits an interpretation. Product breakdown structure example of a product breakdown structure of a computer. Mmu product breakdown toolkit v1 page 1 product breakdown structure toolkit 1. In project management under the prince2 methodology, a product breakdown structure pbs. They help ensure we have defined all the products and subproducts which need to be defined, and once completed they provide a great way to communicate what the product is that the project or program will produce. Usually, the project managers use this method for simplifying the project execution. Product breakdown structure vs work breakdown structure. Nov 05, 2018 want to give clients and stakeholders a highlevel view of the project. Apm web briefing use of product breakdown structures and.
Each structure comes with its own advantages and disadvantages, so its critical to understand which organizational model can best help your company to reach its objectives. Project breakdown structure pbs is a treelike decomposition of project work that is planned for implementation through the project lifecycle. Product breakdown structure is a hybrid in nature in that some aspects of a work breakdown structure will be incorporated and merged with the architecture concept of operations, master subsystem list, customer interface, and assigned management responsibility. May 28, 20 product breakdown structure pbs and work breakdown structure wbs are widely used in project management. A work breakdown structure is one of the most useful things you can have on a project. Pdf a projectproduct modelbased approach to planning work. In this article, we will go through some of the breakdown structure examples. This exhaustive diagram takes the main units of a product and details all the parts within that unit. Deliverableoriented wbs structures are the preferred type according to. Generic work breakdown structure while such a breakdown into blocks is suitable for an engineering contract, a similar system can be used for any other type of project. The product breakdown structure defines subtasks or work packages and describes the relationship between work packages. The following discussion will examine the current trends and practice regarding work breakdown structures.
Project breakdown structure checklist to do list, organizer. Fundraising project editable work breakdown structure. Work breakdown structure relativistic heavy ion collider. An outline of all the projects deliverables is called a product breakdown structure pbs.
Division of labor requires integration of the outputs produced by the different workers into the final product. Learn how to make a product breakdown structure pbs and how to use product breakdown structure software. Development of hybrid product breakdown structure for nasa ntrs. As a result, teams can obtain a clear understanding of a product, its components, and what is required to provide those components. A work breakdown structure wbs is a fundamental project management technique for defining and organizing the total scope of a project, using a hierarchical tree structure. These physical elements entail the physical, conceptual, or functional elements of a product. Creating the work breakdown structure by kim colenso, managing principal, artemis management systems the work breakdown structure wbs is the foundation for project planning and control. It decomposes a main project product into its constituent parts in the form of a hierarchical structure.
Developing and elaborating effective work breakdown structures. Commonly outside of pmbok guide circles this decomposition is called a product breakdown structure. A product breakdown structure pbs is a product based planning method used to analyze, document and communicate the outcomes of a project. Work breakdown structure rev e, june 2003 work breakdown structure a project work breakdown structure wbs is a deliverable or product oriented grouping of project work elements shown in graph ical display to organize and subdivide the total work scope of a project. Approaches to develop work breakdown structures resultoriented approach structure the work based on the work products activityoriented approach structure the work based on development activities and project functions geographical area approach structure the work based on geographical location organizational approach. Read this project breakdown structure checklist to learn more.
Like wbs, a product breakdown structure serves to reduce a complex project, or product, into manageable components. Introduction dividing complex projects to simpler and manageable tasks is the process identified as work breakdown structure wbs. The wbs tool is used to decompose the whole into smaller parts that will be easier for the team to plan and manage. Through this hierarchy, project planners can see a clear relationship between the different levels of a system under consideration. Nasasp20076105 rev1 systems engineering handbook national aeronautics and space administration nasa headquarters washington, d.
It is a tree diagram in which the project is broken down into deliverables and subdeliverables needed to accomplish the project objectives. The importance of the wbs experienced project managers know there are many things that can go wrong in projects. Work breakdown structure 2 wbs a work breakdown structure wbs is a tool used to define and group a projects. The pd is to structure the project work into wbs elements work packages.
1134 38 1324 83 1086 423 154 561 1031 1157 1277 1190 1353 1351 511 408 176 1104 1588 977 1282 369 583 964 645 535 907 950 553 444 1186 581 1027 1534 1155 553 1374 546 707 999 161 790 1197 443 274 1299 190 641