Simulation Model for Determining Maintenance Staffing in Higher Education Facilities
Publication: Journal of Performance of Constructed Facilities
Volume 22, Issue 1
Abstract
Expeditious repair of the unpredicted breakdown of the systems components of facilities is a crucial demand that is highly conducive to the convenience of users and to the longevity of systems. The determination of maintenance staffing, particularly the number of maintenance crews, constitutes a key decision in this regard. Judicious determination of the number of crews prevents crews from being underused or overloaded. A simulation model, using AweSim simulation language, was developed to determine the optimal number of crews for the maintenance department of a large higher education facility. The model development involved: establishing statistical distributions that reflect the stochastic nature of the generation of the repair requests as well as the service times; setting up the maintenance service model that defines the logic, sets priorities for assigning repair requests to crews, and defines performance measures; developing the simulation software; and collecting statistics of the performance measures for scenarios that represent different number of crews and crew-loading policies. The optimal number of crews was identified as being the scenario of the lowest total of the operating costs incurred by the maintenance department and costs of inconvenience to users. Finally, the model represents a robust management tool for long-term economic planning of resources.
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Acknowledgments
The writers thank King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia, for its continuous support and encouragement.
References
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© 2008 ASCE.
History
Received: Feb 1, 2007
Accepted: May 18, 2007
Published online: Feb 1, 2008
Published in print: Feb 2008
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