A modified integer programming model for cleaning service scheduling / Zuraida Alwadood, Hamidah Ayub and Muhamad Ariff Izzuddin Razali

Alwadood, Zuraida and Ayub, Hamidah and Razali, Muhamad Ariff Izzuddin (2010) A modified integer programming model for cleaning service scheduling / Zuraida Alwadood, Hamidah Ayub and Muhamad Ariff Izzuddin Razali. Scientific Research Journal, 7 (1). pp. 37-49. ISSN 1675-7009

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Abstract

This paper analyzes the problem faced by a cleaning service company, which records and pays out a large amount ofovertime each month. With only one shift per day, the labor force is required to work overtime in order to satisfy the daily work demand The objective ofthis paper is to determine the optimum schedule to satisfy the labor requirements at a minimum cost. Tiberwala et al. s (1972) single-shift integer programming model for scheduling workers with two consecutive days offper week has been used as the starting point for this research. This paper modifies the model to incorporate two and three shift schedules with one day offper week. Three alternative workforce schedules are then comparedandevaluated. Thefirst alternative maintains the traditional one-shift schedule, currently being practiced by the company. The second and third alternatives switch to a two-shift schedule and three-shift schedule, respectively, with overlapping working hours linking the shifts. In comparison to the existing one-shift schedule, the three-shift schedule is expected toproduce savings 0/21.4 per cent equivalent to RM23,592 annually.

Item Type: Article
Creators:
CreatorsEmail
Alwadood, Zuraidazuraida794@salam.uitm.edu.my
Ayub, HamidahUNSPECIFIED
Razali, Muhamad Ariff IzzuddinUNSPECIFIED
Subjects: H Social Sciences > HD Industries. Land use. Labor > Labor. Work. Working class > Human capital
H Social Sciences > HD Industries. Land use. Labor > Management. Industrial Management > Time management. Scheduling
H Social Sciences > HD Industries. Land use. Labor > Special industries and trades > Building cleaning industry
T Technology > T Technology (General) > Integer programming
Divisions: Research Management Institute (RMI)
Journal or Publication Title: Scientific Research Journal
ISSN: 1675-7009
Volume: 7
Number: 1
Page Range: pp. 37-49
Item ID: 12934
Uncontrolled Keywords: Scheduling, Integer Programming, Cleaning Services, Workforce
Last Modified: 27 Feb 2019 08:50
Depositing User: Staf Pendigitalan 1
URI: http://ir.uitm.edu.my/id/eprint/12934

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