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Afshar, A, Ziaraty, A K, Kaveh, A and Sharifi, F (2009) Nondominated Archiving Multicolony Ant Algorithm in Time–Cost Trade-Off Optimization. Journal of Construction Engineering and Management, 135(07), 668–74.

Cha, H S, Kim, J and Han, J (2009) Identifying and Assessing Influence Factors on Improving Waste Management Performance for Building Construction Projects. Journal of Construction Engineering and Management, 135(07), 647–56.

Cheng, G and Wilmot, C G (2009) Louisiana Highway Construction Cost Trend after Hurricanes Katrina and Rita. Journal of Construction Engineering and Management, 135(07), 594–600.

Hale, D R, Shrestha, P P, Gibson, G E and Migliaccio, G C (2009) Empirical Comparison of Design/Build and Design/Bid/Build Project Delivery Methods. Journal of Construction Engineering and Management, 135(07), 579–87.

Kanit, R, Gunduz, M and Ozkan, O (2009) Investigating the Effectiveness of Certain Priority Rules on Resource Scheduling of Housing Estate Projects. Journal of Construction Engineering and Management, 135(07), 609–13.

Lin, P, Lee, W and Lee, M (2009) Exploring Problems and Undesired Effects in the Construction Development Process: The Case of a Small- to Medium-Sized Developer in Taiwan. Journal of Construction Engineering and Management, 135(07), 560–9.

Ling, F Y and Gui, Y (2009) Strengths, Weaknesses, Opportunities, and Threats: Case Study of Consulting Firms in Shenzhen, China. Journal of Construction Engineering and Management, 135(07), 628–36.

Miller, L, Mannering, F and Abraham, D M (2009) Effectiveness of Speed Control Measures on Nighttime Construction and Maintenance Projects. Journal of Construction Engineering and Management, 135(07), 614–9.

Perkins, R A (2009) Sources of Changes in Design–Build Contracts for a Governmental Owner. Journal of Construction Engineering and Management, 135(07), 588–93.

  • Type: Journal Article
  • Keywords: Construction management; Project delivery; Design/build; Contracts;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)0733-9364(2009)135:7(588)
  • Abstract:
    In recent years, many U.S. federal, state, and local governments have been authorized to use the design–build method of project delivery instead of the traditional design–bid–build method. Recent studies have not been definitive on the cost advantage of design–build for governmental owners. There are fewer change orders in design–build due to design errors because the designer (architect/engineer) and contractor are one entity, but there are other causes of change orders. Some literature suggests that changes requested by the owner of the facility are greater with the design–build method. This research examines the causes for construction-phase changes in 14 design–build and 20 design–bid–build projects. Total changes, expressed as number per contract, cost per contract, or percentage of original contract, were significantly lower in design–build. Fewer design errors in design–build accounted for this advantage. The number of owner-requested changes was significantly greater in design–build. The cost of owner-requested changes, averaged over all the projects, was significantly less for design–bid–build. The differences in changes due to differing site conditions were not significant. The concept that there are more owner-requested changes in design–build projects is supported by this research.

Wan, S K, Kumaraswamy, M M and Liu, D T (2009) Contributors to Construction Debris from Electrical and Mechanical Work in Hong Kong Infrastructure Projects. Journal of Construction Engineering and Management, 135(07), 637–46.

Watkins, M, Mukherjee, A, Onder, N and Mattila, K (2009) Using Agent-Based Modeling to Study Construction Labor Productivity as an Emergent Property of Individual and Crew Interactions. Journal of Construction Engineering and Management, 135(07), 657–67.

Yang, J and Yin, P (2009) Isolated Collapsed But-For Delay Analysis Methodology. Journal of Construction Engineering and Management, 135(07), 570–8.

Zhu, Y, Ahmad, I and Wang, L (2009) Estimating Work Zone Road User Cost for Alternative Contracting Methods in Highway Construction Projects. Journal of Construction Engineering and Management, 135(07), 601–8.

Zou, P X and Zhang, G (2009) Comparative Study on the Perception of Construction Safety Risks in China and Australia. Journal of Construction Engineering and Management, 135(07), 620–7.