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Publications

This page is currently under development. Authored papers and related outputs will be added here as they become available. Updates will be posted regularly to reflect the latest publications and research contributions.

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Procurement Methodologies for Infrastructure Delivery: Relational vs. Transactional Principles

Procurement is the primary mechanism for distributing risk in infrastructure delivery. Principle 1 highlights the distinction between relational and transactional approaches. Relational models—such as alliancing and Early Contractor Involvement (ECI)—emphasise cooperation, trust, and shared problem-solving. Botha and Scheepbouwer (2015) describe how the Christchurch rebuild used an alliance model with an adjusted Target Outturn Cost, enabling flexibility and collaborative risk management.

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Conversely, Public–Private Partnerships (PPPs) often take a more transactional stance, relying on bespoke contracts and rigid obligations (Jayasuriya et al., 2019). The contrast illustrates that procurement method selection must reflect project complexity and uncertainty.

 

Evidence from Australia and the UK reinforces this point. Projects delivered through alliancing and relational models often outperform traditional methods, which have historically suffered from delays and cost overruns (National Audit Office, 2001; Walker et al., 2002). Despite progress, underperformance remains widespread, signalling the need for a deeper cultural shift in procurement ethos (Dawson, 2011).

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