There are a lot of moving parts to consider when you work with operations, and even more if you are working on updates to active processes. By realizing early that you are very likely to make a few mistakes, and be prepared to deal with that as it emerges, you will save yourself some frustrations later on. The scope and the available information will almost always change, or at least become a lot more clear during implementation of new operation processes.
If you haven't read it already, check out our article about The three critical phases of process design to read more about how you can approach a complex process design project.
Planning everything in advance
Trying to plan out every detail before you start is a very common approach that I think should be avoided. Specially consultants or advisors from other parts of your organization naturally want to have as detailed of a scope as possible, for many reasons. But not leaving enough room for changes in the plan as you learn new details may just become a re-scoping nightmare to deal with while in the middle of a big project.
The reason why I think this should be avoided is because you will not have all the necessary...
