Mapping a Resource-Based Design Workflow to Activate a Circular Economy in Building Design and Construction
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abstract
Published under licence by IOP Publishing Ltd. This paper introduces an innovative restructuring of the traditional Design-Bid-Build (DBB) project delivery method in the AEC industry, that enables the creative reuse of building materials and components. The restructuring intends to transform the DBB method into an Integrated Project Delivery approach by including building materials reuse stakeholders in the early phases of the design process. The model was developed by capturing the critical expert knowledge using a Delphi research protocol and the Business Process Modelling and Notation standards (BPMN). The proposed business process workflows are integrated with the BIM Project Execution Planning Guide. The study also identifies the critical decision nodes within the proposed process maps and suggests a decision-support framework that aid architects and building professionals when integrating sustainable building solutions regarding reusable building materials and components. The Knowledge Capturing Process (KCP) utilized in this study was applied using a qualitative method and a modified Delphi research protocol with the research participants. Triangulation with literature and built case studies were checked and the results were integrated in an illustrated detailed blueprint set of BPMN workflow maps, which were then used to reach consensus with the industry stakeholders research participants.
