Abstract

Road infrastructure projects in Indonesia are currently delivered using a design–bid–build approach, where the design and construction are contracted separately. Although the approach is deemed fairer to contractors, it may not be able to create value for the infrastructure owner. The lengthy procurement periods often result in less desirable outcomes, such as excessive costs, poor quality and time delays. The alternative is to use a design–build approach, which can result in better performance and has been used successfully in many countries. This paper examines the relationship and hierarchy among the factors that can promote the implementation of design–build procurement in Indonesia. Pair-wise comparison questionnaires were distributed to an expert panel. The responses were then analysed using interpretive structural modelling to identify the hierarchy and relationships among the factors that can promote implementation of a design–build approach. Fourteen factors were identified, which form a six-level framework for implementation. The results were used to develop an interpretive structural model for implementing design–build procurement of Indonesian infrastructure projects.

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