Choosing appropriate contract methods for design-build projects

Chen, Qing, Xia, Bo, Jin, Zhigang, Wu, Peng, & Hu, Yi (2016) Choosing appropriate contract methods for design-build projects. Journal of Management in Engineering, 32(1), Article Number-04015029.

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Abstract

For design-build (DB) projects, owners normally use lump sum and Guaranteed Maximum Price (GMP) as the major contract payment provisions. However, there was a lack of empirical studies to compare the project performance within different contract types and investigate how different project characteristics affect the owners’ selection of contract arrangement. Project information from Design-build Institute of America (DBIA) database was collected to reveal the statistical relationship between different project characteristics and contract types and to compare project performance between lump sum and GMP contract. The results show that lump sum is still the most frequently used contract method for DB projects, especially in the public sector. However, projects using GMP contract are more likely to have less schedule delay and cost overrun as compared to those with lump sum contract. The chi-square tests of cross tabulations reveal that project type, owner type, and procurement method affect the selection of contract types significantly. Civil infrastructure rather than industrial engineering project tends to use lump sum more frequently; and qualification-oriented contractor selection process resorts to GMP more often compared with cost-oriented process. The findings of this research contribute to the current body of knowledge concerning the effect of associated project characteristics on contract type selection. Overall, the results of this study provide empirical evidence from real DB projects that can be used by owners to select appropriate contract types and eventually improve future project performance.

Impact and interest:

1 citations in Scopus
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ID Code: 84594
Item Type: Journal Article
Refereed: Yes
Keywords: design-build, contract type, lump sum, GMP, cost plus fee
DOI: 10.1061/(ASCE)ME.1943-5479.0000393
ISSN: 1943-5479
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > BUILDING (120200)
Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > BUILDING (120200) > Building Construction Management and Project Planning (120201)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 American Society of Civil Engineers
Deposited On: 31 May 2015 23:58
Last Modified: 19 May 2016 20:27

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