Introducing BIM into a company enables the benefits of technologies provided by the digital transformation. Furthermore, it requires a review of corporate information processes and the introduction of IT tools and systems that support them. Complex data distribution in different databases (for medium-large companies) generates lots of difficulties for the optimal definition of a Common Data Environment (CDE). This case study paper analyses the current state of art in worldwide BIM implementation for airports and presents an innovative approach developed in two Airports of the North Italy area. The existing studies focus on the impact of BIM implementation in a reference domain limited to BIM models, actors, flows, costs, benefits and Facility Management topics. Very few tackle the subject of Data Management. Therefore, the research project focused on the analysis and the development of a CDE able to communicate with the company information system, considering IT and Hardware infrastructure needs. The first step was the analysis of CDE structure as originally defined by British Standards 1192- 1:2007 & PAS 1192-2:2013, identifying required software functions in the context of application. Secondly, a detailed analysis was conducted on commercial software and platforms, highlighting their alignment with the identified needs. The final output of this research is a theoretical framework for the CDE flow based on the British Standards and designed to meet the needs of the company that owns the airports and the proposal for a general structure of EIR (Employers Information Requirements) to provide guidelines for the use in tenders.
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