AAOM Handbook

The 2 nd level of management (Stratum 3) integrates the work of Stratum 2, & makes the changes required to get a stable process operating within optimum specification limits. They identify & implement improvements to the specification of the right work, right time, right way via the production & service strategies, & the master schedule for the process.

The 3 rd level of management (Stratum 4) integrates the work of Stratum 3, & makes the changes to transform a stable & capable process into something that delivers an improved level of capability. They identify & implement improvements to the process design & define the optimum specification limits for each element of the process.

The 1 st level of management (Stratum 2) keeps the process stable. They implement the work management processes to ensure that the right work, right time, right way is delivered ‐ by enabling employees to understand & deliver the work schedule, outcomes, methods & standards correctly & consistently.