Integrated model of weighting and evaluating decision criteria for supporting best-value contractor selection

Chun Chang Lin*, Wei-Chih Wang, Wen Der Yu

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

This study proposes an integrated model to facilitate the weightings and evaluations of tenders involved in the best-value contractor selection process. In the criteria weighting, an adaptive AHP approach (A 3) is applied. A 3 uses a soft computing scheme, genetic algorithms, to recover the weights of the various criteria based on the derived pairwise weighting matrix (PWM) of criteria. In the evaluations of tenders, two sub-models are proposed. The first sub-model is a bid price evaluation model (PRICE), and it is developed to deal with the quantitative criterion, i.e., bid price criterion. The second sub-model is a performance-based evaluation model (PERFORM), and it is employed to quantify the expected performances of other qualitative criteria for each bidder. The proposed model integrates with A 3, PRICE and PERFORM to support the best-value contractor selection. The benefits of this proposed model are demonstrated by applying it a real-world case project. Lessons learned from this case project are also summarized to provide future applications.

Original languageEnglish
Pages419-430
Number of pages12
StatePublished - 1 Dec 2009
Event17th Annual Conference of the International Group for Lean Construction, IGLC17 - Taipei, Taiwan
Duration: 13 Jul 200919 Jul 2009

Conference

Conference17th Annual Conference of the International Group for Lean Construction, IGLC17
CountryTaiwan
CityTaipei
Period13/07/0919/07/09

Keywords

  • Adaptive AHP approach
  • Analytic hierarchy process
  • Contractor selection
  • Performance
  • Utility function

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