English, Article, Journal or magazine article edition: WORK CONTINUITY CONSTRAINTS IN PROJECT SCHEDULING M. VANHOUCKE

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Bookmark: http://trove.nla.gov.au/version/14715
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • WORK CONTINUITY CONSTRAINTS IN PROJECT SCHEDULING
Author
  • M. VANHOUCKE
Physical Description
  • preprint
Notes
  • Repetitive projects involve the repetition of activities along the stages of the project. Since the resources required to perform these activities move from one stage to the other, a main objective of scheduling these projects is to maintain the continuity of work of these resources so as to minimize the idle time of resources. This requirement, often referred to as work continuity constraints, involves a trade-off between total project duration and the resource idle time. The contribution of this paper is threefold. Firstly, we provide an extensive literature summary of the topic under study. Although most research papers deal with the scheduling of construction projects, we show that this can be extended to many other environments. Secondly, we propose an exact search procedure for scheduling repetitive projects with work continuity constraints. This algorithm iteratively shifts repeating activities further in time in order to decrease the resource idle time. We have embedded this recursive search procedure in a horizon-varying algorithm in order to detect the complete trade-off profile between resource idle time and project duration. The procedure has been coded in Visual C++ and has been validated on a randomly generated problem set. Finally, we illustrate the concepts on three examples. First, the use our new algorithm is illustrated on a small fictive problem example from literature. In a second example, we show that work continuity constraints involve a tradeoff between total project duration and the resource idle time. A last example describes the scheduling of a well-known real-life project that aims at the construction of a tunnel at the Westerschelde in the Netherlands.
  • Project Management; CPM; work continuity; repetitive project scheduling.
  • RePEc:rug:rugwps:04/​265
Language
  • English
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