Document Type

Journal Article

Publication Details

Accepted version

Love, P. E. D., Irani, Z., Smith, J., Regan, M., & Liu, J. (2017). Cost performance of public infrastructure projects: The nemesis and nirvana of change-orders. Production Planning and Control, 1-12.

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© Taylor & Francis

This is an Accepted Manuscript of an article published by Taylor & Francis in journal of Production Planning & Control on 29 May 2017 available online.

ISSN

0953-7287

Abstract

The cost performance of a wide range of public sector infrastructure projects completed by a contractor are analysed 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 were 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 digitisation, 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.

Available for download on Tuesday, May 29, 2018

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This document has been peer reviewed.