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Al Qady, M and Kandil, A (2013) Document Management in Construction: Practices and Opinions. Journal of Construction Engineering and Management, 139(10).

da Rocha, C G and Kemmer, S L (2013) Method to Implement Delayed Product Differentiation in Construction of High-Rise Apartment Building Projects. Journal of Construction Engineering and Management, 139(10).

Deng, F and Smyth, H (2013) Contingency-Based Approach to Firm Performance in Construction: Critical Review of Empirical Research. Journal of Construction Engineering and Management, 139(10).

Gerber, B and Ekenel, M (2013) Building Code Requirements for Inspection of Adhesive Anchors in Concrete. Journal of Construction Engineering and Management, 139(10).

Hallowell, M R, Hinze, J W, Baud, K C and Wehle, A (2013) Proactive Construction Safety Control: Measuring, Monitoring, and Responding to Safety Leading Indicators. Journal of Construction Engineering and Management, 139(10).

Hanna, A, Boodai, F and El Asmar, M (2013) State of Practice of Building Information Modeling in Mechanical and Electrical Construction Industries. Journal of Construction Engineering and Management, 139(10).

Hinze, J, Hallowell, M and Baud, K (2013) Construction-Safety Best Practices and Relationships to Safety Performance. Journal of Construction Engineering and Management, 139(10).

Lei, Z, Taghaddos, H, Olearczyk, J, Al-Hussein, M and Hermann, U (2013) Automated Method for Checking Crane Paths for Heavy Lifts in Industrial Projects. Journal of Construction Engineering and Management, 139(10).

Martek, I and Chen, C (2013) Localization Typologies Evident among Foreign Enterprises Active in the Chinese Construction Market. Journal of Construction Engineering and Management, 139(10).

Minchin, R E, Li, X, Issa, R R and Vargas, G G (2013) Comparison of Cost and Time Performance of Design-Build and Design-Bid-Build Delivery Systems in Florida. Journal of Construction Engineering and Management, 139(10).

  • Type: Journal Article
  • Keywords: Design/build; Bids; Project management; Costs; Florida; Comparative studies; Delivery system; Design-bid-build; Design-build; Project; Cost; Duration; Comparison; Contracting;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0000746
  • Abstract:
    The choice of construction delivery system is one of the most important decisions that a public highway agency will make with regard to a highway, bridge, or transit construction project. Although several research projects have been conducted on the subject of comparing costs and project duration, there has been no study that statistically analyzes these factors specifically for transportation projects, much less one that eliminates the largest variable of all: different public agencies. The objective of the research reported in this paper was to determine which of two delivery methods, design-bid-build (DBB) and design-build (DB), delivers highway and bridge construction projects at the lowest cost and in the shortest time period, and to back up the findings with a rigorous statistical analysis of the data. Data were taken from the databases of the Florida Department of Transportation (FDOT) and arithmetically and statistically compared through Levene’s test, the independent samples t-test, the Welch unequal variances t-test, and the Mann-Whitney U test. In fact, this paper’s unique contribution is its rigorous statistical analysis of data gathered directly from FDOT, comparing the performance of the two delivery systems in Florida over a finite period of time. In this comparison, DBB projects performed significantly better in terms of cost according to all statistical and arithmetic tests. DBB projects did not compare as favorably in terms of duration. Some tests showed a statistically insignificant advantage to the use of DB over DBB, whereas other tests showed no difference between the two. Other public agencies can replicate the research and determine whether the same findings hold true in their situation.

Russell, M M, Howell, G, Hsiang, S M and Liu, M (2013) Application of Time Buffers to Construction Project Task Durations. Journal of Construction Engineering and Management, 139(10).

Valdes-Vasquez, R and Klotz, L E (2013) Using the Concept-Mapping Method for Empirical Studies in Construction Research. Journal of Construction Engineering and Management, 139(10).

Wagner, H, Kim, A J and Gordon, L (2013) Relationship between Personal Protective Equipment, Self-Efficacy, and Job Satisfaction of Women in the Building Trades. Journal of Construction Engineering and Management, 139(10).

Wanberg, J, Harper, C, Hallowell, M R and Rajendran, S (2013) Relationship between Construction Safety and Quality Performance. Journal of Construction Engineering and Management, 139(10).

Yuventi, J, Levitt, R and Robertson, H (2013) Organizational Barriers to Productivity and Innovation in Large-Scale, U.S.-Based Photovoltaic System Construction Projects. Journal of Construction Engineering and Management, 139(10).

Zhang, L, Pan, C and Zou, X (2013) Criticality Comparison between the Repetitive Scheduling Method and the Network Model. Journal of Construction Engineering and Management, 139(10).