Quick Answer: What Are The Rules Of The WBS?

How many levels should a WBS have?

Level of detail One must decide when to stop dividing work into smaller elements.

For most projects a hierarchy of two to four levels will suffice.

This will assist in determining the duration of activities necessary to produce a deliverable defined by the WBS..

What is a Level 3 WBS?

Level 3 items are key activities required to produce the Level 2 deliverables. Additional levels are used depending upon the magnitude of the deliverables and the level of detail required to reliably estimate cost and schedule. In the deliverable-oriented WBS, all deliverables are identified, and all work is included.

What are the 3 levels of work breakdown structure?

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.

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 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 lowest level of WBS?

Work packages”Work packages are the lowest level of the WBS and are pieces of work that are specifically assigned to one person or one team of people to be completed.” “The WBS Dictionary describes each component of the WBS with milestones, deliverables, activities, scope,and sometimes dates, resources, costs, and quality.”

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 the first step in creating a WBS?

The first step in creating a Work Breakdown Structure is a complete list of all tasks to be performed within the project in the form of work packages. This should not be done by one person alone (e.g. the project manager) in a quiet room, but in a team.

What is a WBS work package?

A work package is the lowest component in a work breakdown structure (WBS), sometimes called the terminal element of a WBS. You create a work package when you decompose a deliverable into components while creating a work breakdown structure. … A work package should be unique to the WBS.

What is a WBS and how does it work?

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 the purpose of a WBS?

A work breakdown structure (WBS) is a tool that can be used for projects, programs, and even initiatives to understand the work that has to be done to successfully produce a deliverable(s). The benefits of creating a WBS include: it defines and organizes the work required.