What Is Obs in Construction

OBS (also known as Organizational Breakdown Structure) is used to define the responsibilities for project management, cost reporting, billing, budgeting and project control. The OBS provides an organizational rather than a task-based perspective of the project.

What is OBS in WBS?

Organization Breakdown Structure (OBS) is a hierarchical relationship of the organization, including subcontractors, responsible for managing a designated scope of work within the work breakdown structure (WBS). A project OBS is a depiction of the project organization.

How do you create an organizational breakdown structure?

1. Include 100% of the work necessary to complete the goal.
2. Don’t account for any amount of work twice.
3. Focus on outcomes, not actions.
4. A work package should take no less than 8 hours and no more than 80 hours of effort.
5. Include about three levels of detail.