The EUROfusion Consortium is setting up – as part of the EU Fusion Roadmap – the framework for theimplementation of the (pre)conceptual design phase of the DEMO reactor. Configuration managementneeds have been identified as one of the key elements of this framework and is the topic of this paper, inparticular the configuration of the CAD design data. The desire is to keep the definition and layout of thecorresponding systems “light weight” and relatively easy to manage, whilst simultaneously providinga level of detail in the definition of the design configuration that is fit for the purpose of a conceptualdesign. This paper aims to describe the steps followed during the definition of the configuration man-agement system of the DEMO design data in terms of (i) the identification of the appropriate productdata management system, (ii) the description of the philosophy of the configuration management of thedesign data, and (iii) the introduction of the most important enabling processes.
