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Determination of the significance of project delivery attributes (PDAs) on sustainable projects in Turkey

Dinçer Aydın (Department of Architecture, Trakya University, Edirne, Turkey)
Esma Mıhlayanlar (Department of Architecture, Trakya University, Edirne, Turkey)

Journal of Engineering, Design and Technology

ISSN: 1726-0531

Article publication date: 19 December 2022




Many parameters influence the success of sustainable projects (SPs) in the architecture–engineering–construction. One of these important parameters is the project delivery attributes (PDA), which are influenced by the project delivery system (PDS) while affecting the selection of it. This study aims to evaluate the significance of PDAs in influencing both the performance and success of SPs in Turkey, where the interest in SPs is high.


The impact of PDAs was determined by applying the two-round Delphi method with a semistructured interview involving the main stakeholders of a construction project, like owners, designers, contractors and consultants who played active roles in SPs, as well as academics to theoretically evaluate the issue. The significance of PDAs was assessed using the relative importance index, and the results were validated using the interrater agreement analysis.


The study identified key PDAs impacting SPs as owner character, commitment and motivation; simulation and energy modelling; and timing of stakeholders/early involvement.


The investigation of the significance of the PDAs is a lesser-studied context. Therefore, a research framework that enables an effective set of methods for solving the sectoral problems of PDAs that have impacts on SPs has been proposed. The framework is expected to open new opportunities for the generation and regulation of the PDSs for SPs. The findings will provide valuable insights to project stakeholders, particularly owners, local authorities and policymakers to assess which PDAs have a greater impact on sustainability performance when setting PDSs in SPs in other developing countries.



This study was produced within the scope of the doctoral thesis titled “Sustainable Project Delivery System Model for the Construction Projects in Turkey” carried out in Trakya University, Institute of Science and Technology, Department of Architecture.


Aydın, D. and Mıhlayanlar, E. (2022), "Determination of the significance of project delivery attributes (PDAs) on sustainable projects in Turkey", Journal of Engineering, Design and Technology, Vol. ahead-of-print No. ahead-of-print.



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