Project delivery success and sustainability: comparative strategies in the post-pandemic era

Purpose This study aims to identify strategies and offer empirical recommendations for project managers and policymakers to enhance PDS in public construction projects in the post-pandemic era, focusing on KPIs using the 3D integration model. Design/methodology/approach This study uses a mixed-method approach to retrospectively evaluate the project management performance of 16 Australian public construction projects. Employing a project delivery success (PDS) model (the 3D integration model), it assesses delivery success across six key performance indicators (KPIs) to identify strategies for improving project outcomes in the post-pandemic era. Data collection involved interviews and document analysis, focusing on projects completed at different times and with various sizes. Findings The analysis highlights three critical KPIs – Value (scope/cost), Speed (scope/time) and Impact (scope/risk) – as significant determinants of project success. The study provides evidence that successful projects maximize Value and Speed and minimize Impact. Key strategies include improving remote work arrangements, investing in digital tools, adopting advanced procurement mechanisms and enhancing risk management processes. Practical implications For practitioners, the study offers actionable strategies to enhance the performance of public construction projects, focusing on maximizing Value, Speed and minimizing Impact. It suggests adopting advanced project management techniques, digital tools for collaboration and reevaluating procurement and risk management processes to navigate the post-pandemic challenges effectively. Originality/value This research contributes to the field by applying the 3D integration model to analyzing public construction projects during the COVID-19 pandemic, a novel approach in this context. It provides a unique empirical basis for recommendations bridging the gap between theoretical project management models and practical application in a post-pandemic world, thus offering significant value to academic research and practical project management in the public sector.