Improvement of Maintenance Management System A Case Study on Walia Intercity Bus Service Enterprise
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Date
2007-07
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Addis Ababa University
Abstract
This thesis seeks to provide a greater depth into the exploration of the subject “Vehicle
Maintenance Management System” (VMMS). It is found that improved maintenance helps
to increase revenues of a firm by increasing vehicle or equipment performance and
availability. Most importantly, firms must have maintenance policies and strategies so that
the whole firm will be directed in the same direction to reduce equipment down time.
The purpose of this thesis is to improve the existing maintenance management system and
maintenance efficiency of the enterprise under consideration.
The establishment of effective and efficient maintenance management system is the
mechanism by which controllable costs are reduced and equipment availability is increased.
Controllable costs are the costs incurred due to improper decision during purchasing process
by selecting incompatible and cheap price items with out considering reliability and
maintainability, and costs incurred due to poor maintenance management system practiced
during operation. Thus, the main objective of this thesis is to examine the existing
maintenance of Walia Intercity Bus Service Enterprise (WIBSE) and recommend better
maintenance management system that enhances vehicle availability with reasonable
maintenance cost. The author believes upon implementation of the recommended
maintenance management system, availability of vehicles for transportation and useful life
are expected to increase due to minimizing of down time and abuse.
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Mechanical Engineering