Lean Sigma: A Practitioner’s Guide

5. Control—Tools Used at the End of All Projects

Overview¹

All projects, regardless to which Problem Category they relate, progress through the same series of tools at the back end of the project (the late Improve phase and through Control to Validation and Signoff). The purpose of this part of the roadmap is to ensure:

• The process is clearly defined and laid out.
• The process control mechanisms are in place.
• The process is done consistently.
• The process roles are defined along with associated competences.
• Process documentation is complete and up to date.
• Process staff are maintained at the right competency level.

All of these ensure the process performs at the new, elevated rate for all time. A project signoff is done to demonstrate performance ...