The time for performance of a project is usually of the essence to the employer and the contractor. This has made it quite imperative for contracting parties to analyse project delays for purposes of making right decisions on potential time and/or cost compensation claims. Over the years, existing delay analysis techniques (DATs) for aiding this decision-making have been helpful but have not succeeded in curbing the high incidence of disputes associated with delay claims resolutions. A major source of the disputes lies with the limitations and capabilities of the techniques in their practical use. Developing a good knowledge of these aspects of the techniques is of paramount importance in understanding the real problematic issues involved and their improvement needs. This paper seeks to develop such knowledge and understanding (as part of a wider research work) via: an evaluation of the most common DATs based on a case study, a review of the key relevant issues often not addressed by the techniques, and the necessary improvements needs. The evaluation confirmed that the various techniques yield different analysis results for the same delay claims scenario, mainly due to their unique application procedures. The issues that are often ignored in the analysis but would also affect delay analysis results are: functionality of the programming software employed for the analysis, resource loading and levelling requirements, resolving concurrent delays, and delay-pacing strategy. Improvement needs by way of incorporating these issues in the analysis and focusing on them in future research work are the key recommendations of the study.
Society of Construction Law (SCL). Protocol for Determining Extensions of Time and Compensations for Delay and Disruption; SCL: Burbage, UK, 2002. Available online: http://www.eotprotocol.com (accessed on 19 July 2013).
Lee, H.; Ryu, H.; Yu, J.; Kim, J. Method for calculating scheduling delay considering lost productivity. J. Constr. Eng. Manag. ASCE 2005, 131, 1147–1154, doi:10.1061/(ASCE)0733-9364(2005)131:11(1147).
Balfour Beatty Construction Ltd vrs The Mayor and Burgesses of the London Borough of Lambeth. Building Law Report, Available online: http://www.fenwickelliott.co.uk/research-insight/adjudication-case-notes/balfour-beatty-construction-limited-v-mayor-burgesses-london-borough-lambeth (accessed on 17 July 2013).
Conlin, J.; Retik, A. The applicability of project management software and advanced IT techniques in construction delay mitigation. Int. J. Proj. Manag. 1997, 15, 107–120, doi:10.1016/S0263-7863(96)00046-4.
Kelsey, J.; Winch, G.; Penn, A. Understanding the Project Planning Process: Requirements Capture for the Virtual Construction Site. Bartlett Research Paper 15; University College London: London, UK, 2001.
Wickwire, J.M. Standards of Proof for Contractor Time Delay Claims—Case in Point. In Cause & Effect, News from CPMI on Construction Claims Analysis and Resolution, Issue 1; Springer: Berlin, Germany, 2002; p. 3.
Scott, S.; Harris, R.A.; Greenwood, D. Assessing the new United Kingdom protocol for dealing with delay and disruption. J. Prof. Issues Eng. Educ. Pract. ASCE 2004, 130, 50–59, doi:10.1061/(ASCE)1052-3928(2004)130:1(50).