68 ◾ The Performance Mapping and Measurement Handbook
1. What is the real purpose or function of this process step?
2. Does the process step directly add value to the process output?
3. Can this process step be eliminated, minimized, or combined with another
value- adding step without affecting process efficiency and effectiveness?
In many instances and based on answering these three short questions, a
particular process step may not be nearly as value- adding as one might have
initially thought.
4.8 Case Study
A large manufacturing site consists of a number of separate buildings that
perform various machining, assembly, and testing phases of a complex
manufacturing process. Each building contains considerable machinery and
other rel