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I. Kovacic, M. Honic, M. Sreckovic, G. Sibenik:
"Digital Platform for Circular Economy in AEC Industry";
Talk: Engineering Project Organization Conference (EPOC) 2019 - A Challenge Summit, Vail, Colorado, USA (invited); 2019-06-25 - 2019-06-27; in: "17th Annual Engineering Project Organization Conference - Working Paper Proceedings", (2019), 1 - 15.

Construction industry counts to the largest global consumers of the resources (sand, building materials) and produces significant amoutof waste. Simultaneously it is one of the least digitalised industries. With increasing levels of urbanization, scarceness of resources and lack of landfills, the policy of circular economy is increasingly gaining importance in the construction industry. European Union is obliging material recovery of construction and demolition waste to a minimumof 70% by weight by 2020 for all new construction projects. Simultaneously, digitalization in construction in one of the major goals in EU digitalization action plan. This paper addresses potentialsof digital platforms for enhancement of circular economy in the construction industry,based on our research within research projects: BIM_Material:Process-Design for BIM based material building pass, SCI_BIM:Scanning and data capturing for Integrated Resources and Energy Assessment using Building Information Modelling;and a case study of digital tools and processes within of a large design and planning company. Thereby we proposea Digital Ecosystemfor Circular Economy (DEEP), integrating various stakeholders and data repositories on inter-and intra-firm level. Therefore the proposed digital ecosystem in our research framework assumes a hub-spoke network formwhere multitude of outside firms and institutions(periphery) are connected to the central platform(core) via shared or open-source technologies. They are modules loosely coupled to the central platform through standardized interfaces, based on graph networks.This platform for the Architecture, Engineering and Construction(AEC)industry would reduce silo thinking in the industry, increase productivity and optimize material usage in the circular economy -from cradle to grave, foster mutual learning and coordination, identify knowledge and intervention gaps.

BIM, Material Passport, Eco-Indicators, Resources, Modelling, Urban Mining