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Purpose The purpose of this paper is to show the feasibility of blockchain technology to perform as an infrastructure for improving built asset sustainability by providing all the necessary information for better decision making at all the stages of its life cycle. Design/methodology/approach Blockchain technology can be used as a tool to build a reliable and secure decentralized information system to capture and disseminate all the data required for different sustainability assessment models. A model is designed and tested through a synthetic scenario to substantiate the research objective with empirical work. Findings It is shown that blockchain can revolutionize the current state of knowledge for long-term sustainability thinking and provide necessary information in different stages of the life cycle of a built asset. With the proposed decentralized, transparent and comprehensive database using blockchain, the life cycle assessment methods can become much more inclusive and reliable. The new holistic analysis of the built asset sustainability enables better decision making in design, build, operation and demolition of each asset. Originality/value This paper proposes and tests a model for using blockchain as an infrastructure to support built asset sustainability. Practitioners from different backgrounds at different stages of a built asset life cycle can use such a network to make better decisions and better assess the sustainability of their built assets.

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Offsite construction is facing slow adoption despite the fact it can be a suitable solution for addressing historical problems faced by the construction industry, such as labor shortages, construction safety, time and costs overrun, and waste. The controlled factory environment creates room for innovation similar to the techniques used in the manufacturing industry. Yet, as always, the progress and adaptation of innovative ideas are challenging in the construction sector. A growing role for off-site construction requires further research and development. More collaborative efforts, industry meetings, and academic symposia are needed to bring together different disciplines and bridge the current information gap. This paper aims to present the outcomes of the äóěSymposium on the State-of-the-Art of Modular Constructionäóť held in Gainesville, Florida from May 4th to 5th, 2017 that aimed to bring together major stakeholders in modular construction. It includes an analysis of the lectures and the survey that was distributed to industry and academic experts during the symposium. Also, it investigates the state-of-the-art of modular construction and focuses on the strengths, weaknesses, opportunities, and threats that come with this building technique.

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