Abstract
CAD applications have been developed for civil engineering with the intent to support the design process of engineers. So far, general acceptance of these solutions is limited to the support of technical documents. Requirements for extending the scope of CAD solutions in civil engineering are discussed and a solution is proposed for ensuring consistency of an engineering information model. Furthermore, virtually all solutions available today were originally designed as stand-alone solutions. A versioning approach for object models is proposed for supporting net-distributed applications in civil engineering. Finally, a system architecture is developed for engineering applications that is intended to support the workflow in civil engineering projects based upon a versioning concept for engineering object models. One important aspect of the system architecture proposed is a transition concept from current solutions to newly designed solutions. There exists a wealth of knowledge and data in engineering companies based upon commercially available CAD systems. Therefore, the authors believe it to be important to build upon this knowledge and information in order to show a path of growth from existing solutions to a next generation of CAD solutions in civil engineering.
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