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Title: In-plant logistics simulation model for the catering service industry towards sustainable development : a case study
Authors: Lee, CKM 
Zhang, SZ
Ng, KKH 
Issue Date: 1-Jul-2019
Source: Sustainability, 1 July 2019, v. 11, no. 13, 3655, p. 1-11
Abstract: An increasing number of people are conscious of the environmental awareness in various industries, particularly in city areas. It is now a popular trend for the urban catering service industry to outsource its labor-intensive activities, such as dishwashing, to a central dishwashing facility, in which labor force management and optimization are essential. Moreover, the increasing labor cost and fluctuating labor supply drive the increasing need for labor force optimization. This research develops an in-plant logistics simulation model for a central dishwashing facility with the purpose of improving its labor force utilization rate. A discrete event simulation model is established to simulate the tableware washing process, and this model is employed in a one-stop environmentally hygienic dishwashing service provider for trial implementation. The simulation result has been compared with actual situations, identifies the main bottlenecks of the tableware washing process, optimizes the utilization rate of the labor force, and further helps to improve the productivity.
Keywords: Catering service industry
Dishwashing service
Discrete event simulation
Labor force optimization
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Sustainability 
EISSN: 2071-1050
DOI: 10.3390/su11133655
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Lee, C.K.; Zhang, S.; Ng, K.K. In-Plant Logistics Simulation Model for the Catering Service Industry Towards Sustainable Development: A Case Study. Sustainability 2019, 11, 3655, 1-11 is available at
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