What is the meaning of the work breakdown structure in the construction program?

In simple words, work breakdown structure (WBS) is a breakdown of the project to smaller parts or components for deliverable oriented. It is a term related to project management and systems engineering.

It is a simplifying tool for a particular task of the project.

Following are the purpose of the work  breakdown structure:

1. To recognise the distinct nature of large activity or project
2. Used for estimating the cost and time required for a project
3. Control and monitor the tasks
4. Used for controlling and give unique Identity to each task.

Following are types of WBS:

1. Phase Oriented WBS
2. Deliverable oriented WBS

Following are some effective guidelines for WBS

1. The internal in trim and external work of the project should be identified and must all the deliverables that have to be completed.
2. Using a top-down approach in the project is divided into sub-projects and this continues until the task can be estimated. This approach is popular because of great accuracy.
3. Level of details
4. Symmetry absence.
5. Details of level