Empirical comparison of design/build and design/bid/build project delivery methods

Darren R. Hale, Pramen P. Shrestha, G. Edward Gibson, Giovanni C. Migliaccio

Research output: Contribution to journalArticlepeer-review

207 Scopus citations


This study compares the performance of design/bid/build and design/build to see if one project delivery method is superior in regards to time and cost. Similar military buildings were used to identify two samples of projects delivered with each of the two delivery methods. These projects provide a meaningful comparison because they include buildings of the same typology (i.e., U.S. Navy Bachelor Enlisted Quarters) delivered using similar design models. Project duration, project duration per bed, project time growth, cost growth and cost per bed were statistically compared. Upon completion of the analysis, the hypothesis that design/build projects are superior to design/bid/build projects in regards to time and cost was tested. Design/build projects were proven superior in performance in almost every measure. Other findings, including recommendations to practitioners and researchers, will be provided as well.

Original languageEnglish (US)
Pages (from-to)579-587
Number of pages9
JournalJournal of Construction Engineering and Management
Issue number7
StatePublished - 2009
Externally publishedYes


  • Bids
  • Construction costs
  • Construction management
  • Design/build
  • Military engineering

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Industrial relations
  • Strategy and Management


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