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Purpose This paper aims to describe the development of guidance to help clients and operational teams to clearly define information requirements for projects using building information modelling (BIM). ISO 19650 standards highlight this as a critical first step to ensure adequate information is available to optimise built assets over their whole life cycle. Design/methodology/approach A document analysis of existing BIM guidance supported by literature was undertaken to answer the research questions: “What guidance already exists specific to clients? and Would additional guidance help clients to better fulfil their role as the ‘appointing party’ in line with ISO 19650?” Findings A research gap was established highlighting a lack of guidance specifically aimed to help clients formulate information requirements as the appointing party. This research makes recommendations for an approach to define the requirements and support successful outcomes for BIM projects. Practical implications This paper provides a standardised approach and a starting point for an appointing party to gather and structure information requirements in line with ISO 19650. Originality/value This paper considers BIM information requirements specifically from an operations perspective with a focus on the client and facility management team.

In 2015, 193 member states of the United Nations (UN) signed the 2030 Agenda, entitled “Transforming Our World: The 2030 Agenda for Sustainable Development,”. The planned implementation by 2030, leaves only a decade to realize the 17 Sustainable Development Goals (SDG). Municipalities and cities constitute important stakeholders, who are obliged under SDG 11, to find ways to develop realistic solutions. Implementation and strategic planning require, among other things, new instruments to digitally model various sustainable development scenarios. Currently, however, it is still unclear what has to be modelled and how. What is clear is that sustainability and digitalization have to come together to deliver results. Several key challenges need to be overcome. First, is the heterogeneity of existing data and documents used in the built environment. Future solutions will depend on a combination of Building Information Modelling (BIM) and Geographic Information System (GIS). Second, is the merging of different existing data on an adequate level of abstraction which allows practical use of GIS and BIM data in a common model. Third, is the development of functioning, cost-effective workflows that will enable broad applications which adequately simulate specific sustainability aspects using spatial and temporal scenarios. This paper shows how these challenges can be systematically addressed in practice. It demonstrates which aspects of sustainability can be made visible and comprehensible for all stakeholders using only one single BIM- and GIS based data model. The proposed workflow could thus be considered as the basis for planning the next generation of smart and sustainable cities.

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