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Time-cost trade-offs in resource-constraint project scheduling problems with overlapping modes

Author

Listed:
  • François Berthaut
  • Robert Pellerin
  • Nathalie Perrier
  • Adnène Hajji

Abstract

In companies, overlapping is commonly regarded as a promising strategy to accelerate project execution. Overlapping consists in executing in parallel two sequential activities by allowing a downstream activity to start before the end of an upstream activity based on preliminary information. However, overlapping can entail reworks in downstream activity, caused by information updates until finalised information is available, and additional coordination and communication, which both require additional time and costs. In this paper, we present a model for the resource-constrained project scheduling problem with feasible overlapping modes. The makespan minimisation and the gain maximisation problems are formulated as linear integer programmes. Time-cost tradeoffs between project duration and overlapping costs are also discussed. An example of a 30-activity project is provided to illustrate the utility and efficiency of the model. Our results highlight the closed interaction between resource constraints and overlapping modes and suggest the relevance of jointly considering them.

Suggested Citation

  • François Berthaut & Robert Pellerin & Nathalie Perrier & Adnène Hajji, 2014. "Time-cost trade-offs in resource-constraint project scheduling problems with overlapping modes," International Journal of Project Organisation and Management, Inderscience Enterprises Ltd, vol. 6(3), pages 215-236.
    • Handle: RePEc:ids:ijpoma:v:6:y:2014:i:3:p:215-236
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    Citations

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    Cited by:

    1. Sayyid Ali Banihashemi & Mohammad Khalilzadeh, 2023. "Towards sustainable project scheduling with reducing environmental pollution of projects: fuzzy multi-objective programming approach to a case study of Eastern Iran," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 25(8), pages 7737-7767, August.
    2. Georges Baydoun & Alain Haït & Robert Pellerin & Bernard Clément & Guillaume Bouvignies, 2016. "A rough-cut capacity planning model with overlapping," OR Spectrum: Quantitative Approaches in Management, Springer;Gesellschaft für Operations Research e.V., vol. 38(2), pages 335-364, March.

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