AUSTRALIAN PACIFIC COLLEGE I. What does a work breakdown structure involve? 5. What techniques can be used to measure, record and report the progress of activities in relation to the agreed schedule? A Work Drain Structure (WBS) is a key product of the project that organizes the work of the team into manageable sections. The Project Management Knowledge Set (PMBOK) defines the breakdown structure of the work as a "hierarchical decomposition orientagrementistages the work to be executed by the project team". Also known as the "steps" method, the incremental milestones method is used predominantly for cost accounts that involve subtasks that need to be completed in an orderly fashion. An example of this technique is the formation and placement of a concrete foundation wall. Placement of the foundation wall in the sockets, erection of the inner wall panels and the clamp, adjustment of the horizontal and vertical rods in the formwork, etc., must perform and complete the task properly