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Improving qualifications-based selection by use of the fuzzy Delphi method

Author

Listed:
  • Odysseus George Manoliadis
  • John-Paris Pantouvakis
  • Symeon Christodoulou

Abstract

Among prevailing contract-awarding paradigms, the qualifications-based selection (QBS) method offers awarding agencies a substantial level of flexibility and multifactored decision-making capability over traditional cost-based paradigms (such as competitive bidding). QBS is a process used by owners to select proposers to whom they can award a project contract, based on the proposers' professional qualifications in relation to the specific project parameters. Further to being very suitable for the selection of professional engineering design services, QBS can also be applied for the selection of contractors involved in specialized construction or design-build projects. In such cases, the procurement method and the selection criteria used are critical decisions involving several key project team members and decision factors, the formulation of which requires complex evaluation methodologies. Within this context, a process is proposed by which the traditional QBS method can be improved via the utilization of a fuzzy Delphi method (FDM), a cross-mutation of the traditional Delphi method (DM) and fuzzy logic (FL). The method utilizes 'expert' appraisals to identify both the factors and their weights in the overall evaluation process through a 'fuzzy attractiveness ratio' (FAR) which is used for evaluating the bidders' suitability to task.

Suggested Citation

  • Odysseus George Manoliadis & John-Paris Pantouvakis & Symeon Christodoulou, 2009. "Improving qualifications-based selection by use of the fuzzy Delphi method," Construction Management and Economics, Taylor & Francis Journals, vol. 27(4), pages 373-384.
    • Handle: RePEc:taf:conmgt:v:27:y:2009:i:4:p:373-384
    DOI: 10.1080/01446190902758993
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    Cited by:

    1. Haytham H. Elmousalami & Ahmed H. Elyamany & Ahmed H. Ibrahim, 2018. "Evaluation of Cost Drivers for Field Canals Improvement Projects," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 32(1), pages 53-65, January.
    2. Beata GAVUROVA & Andrea TKACOVA & David TUCEK, 2017. "Determinants of Public Fund´s Savings Formation via Public Procurement Process," REVISTA ADMINISTRATIE SI MANAGEMENT PUBLIC, Faculty of Administration and Public Management, Academy of Economic Studies, Bucharest, Romania, vol. 2017(28), pages 25-44, June.
    3. Hany Abd Elshakour Mohamed & Ahmed Ibrahim Eltohamy, 2022. "Critical Success Factors for Competitiveness of Egyptian Construction Companies," Sustainability, MDPI, vol. 14(17), pages 1-22, August.

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