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Adeyeye, O (2009) Design decisions for hybrid projects using integrated building information, Unpublished PhD Thesis, Department of Civil and Building Engineering, Loughborough University.
- Type: Thesis
- Keywords: adaptation; building survey; prototype development; refurbishment; rehabilitation
- URL: https://hdl.handle.net/2134/33937
’Hybrid projects’ is a phrase, used for the benefit of this research, to define a type of adaptation project where new elements or buildings are combined with existing buildings to completely modify it in order to provide better functionality and meet increased spatial requirements. It is the adaptation of an existing building through a combination of refurbishment, rehabilitation and adaptive reuse. The main challenge that designers face with hybrid projects is the quality of relevant yet qualitative ’as-built’ information. In instances where original architectural and engineering drawings and details are available, it is highly probable that the building will have evolved to the extent that the historical drawings are no longer accurate. The design proposals produced with this information may then lead to problems during construction. This research investigated the impact of inadequate feasibility studies and surveys conducted on hybrid projects. The design and construction process in hybrid projects was reviewed and an integrated information system for design decisions was developed. Known design and construction protocols such as the RIBA Plan of Work and the Process Protocol were examined and found not to be suitable for hybrid projects. In hybrid projects, there is a need for early information acquisition, early and precise definition of design intent as well as collaborative design decision-making. These three factors contribute highly to client satisfaction (value) and effective project delivery. To this end, a new hybrid project process framework was proposed. Using this framework, a demonstrator web-based design decision tool (HybridDt) was proposed. The aim of the tool is to integrate spatial and performance information to enhance the making of design decisions for hybrid projects. Design and construction professionals evaluated HybridDt and the Process Framework and the general response was that both the conceptual framework and the tool represent a process and technological improvement for the delivery of hybrid buildings. The tool was also affirmed to provide an integrated information source for collaboratively made design decisions in hybrid projects.