Very often the redesign or optimisation of production systems, the shop floor or even entire plants is delegated to external specialists respectively consultancies or planning offices. Over many years and as well many projects they have gathered tremendous experiences in order to accomplish large-scale industrial projects. As a result of these experiences planning offices often develop their own special procedure models and tools to cope with the vast variety of different requirements of their customers and furthermore to create a distinctive profile or even some kind of a trade mark.
