With the modules of resource planning, the graphical representation of the project resources in the form of a Gantt chart offers a performance-based view. Individual days or larger time periods can be displayed. Taking into account reciprocal dependencies, this serves as the basis for the optimization of the business process. Important technical properties, as well as legal regulations and securities are taken into account, and service and maintenance times are included. By comparing target and actual performance, non-productive services can be identified and optimized. Flexible control mechanisms point out conflicts and ensure that the planning accurately correlates to the operational information and processes.