Cost Performance of Public Infrastructure Projects: The Nemesis and Nirvana of Change-Orders

Love, Peter, Irani, Zahir, Smith, Jim, Regan, Michael and Liu, Henry (2017) Cost Performance of Public Infrastructure Projects: The Nemesis and Nirvana of Change-Orders. Production Planning & Control, 28 (13). pp. 1081-1092. ISSN 1366-5871

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Official URL: http://dx.doi.org/10.1080/09537287.2017.1333647

Abstract

The cost performance of a wide range of public sector infrastructure projects completed by a contractor are analyzed and discussed. Change-orders after a contract to construct an asset was signed were, on average, found to contribute to a 23.75% increase in project costs. A positive association between an increase in change orders and the contractor’s margin was identified. Taxpayers pay for this additional cost, while those charged with constructing assets are rewarded with an increase in their margins. As the public sector embraces an era of digitization, there is a need to improve the integration of design and construction activities and engender collaboration to ensure assets can be delivered cost effectively and future-proofed. The research paper provides empirical evidence for the public sector to re-consider the processes that are used to deliver their infrastructure assets so as to reduce the propensity for cost overruns and enable future-proofing to occur.

Item Type: Article
Uncontrolled Keywords: Change-orders, public sector, cost performance, infrastructure, procurement
Subjects: H200 Civil Engineering
H700 Production and Manufacturing Engineering
Department: Faculties > Engineering and Environment > Architecture and Built Environment
Depositing User: Henry Liu
Date Deposited: 11 May 2017 09:18
Last Modified: 25 Sep 2017 14:42
URI: http://nrl.northumbria.ac.uk/id/eprint/30736

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