SECURITY-MINDED CDE FOR BUILDING DATA MANAGEMENT USING DISTRIBUTED LEDGER TECHNOLOGY

The architectural, engineering, construction, owner & operator (AECOO) industry is currently moving towards digitalization of building and construction information and its workflows. Both public and private sectors are increasingly using common data environments (CDE) to manage and share data such as documents, records, and BIM models for different applications over building lifecycle. Therefore, there is a growing need for data security in the AECOO industry, especially for critical or sensitive building and infrastructure. Currently, access to and modification of information in those CDE platforms are often not securely managed and recorded. There is also a lack of a standard method to facilitate separation of inter-related sensitive data and non-sensitive data while enabling decentralized data ownership and data use.   In this talk, frameworks developed based on novel blockchain and encryption technologies to enhance data security and traceability in CDE platforms will be presented. Data structures and workflows specific to construction practices will be studied and integrated with CDE and digital twin platforms. Prototype security-minded CDE and digital twin platforms will also be demonstrated and discussed with pilot cases.