“Space-related modeling and simulation“ are to act as central working means for “(urban) space-related quality management“, assisting planning and design processes with its possibilities and contributing to comprehensibility and awareness of planning measures for all those involved in the planning process. The main emphasis of this work is dedicated to the description of elements concerning planning methods grouped as “key activities“ in line with a “space-related quality management“ around the “conception of building-up and urban volume, resp.“, as well as to the support the space-related production of models and simulation furnish.