ANALYSIS OF STORE MAINTENANCE MANAGEMENT IN RETAIL CHAIN OPERATION THE CASE OF TRUE CORPORATION PUBLIC COMPANY LIMITED

Abstract

This research studied the repair process within the maintenance department of True Corporation Public Company Limited, using the timing of the repair period as variables and measurement. The researcher collected the data from a total of 236 branches and all repair notification information in the year 2017-2018, divided into various repair workgroups of 3 main categories which are IT, Non-IT and Food and Beverage. The data form was organized into small groups in order to be able to analyze statistical data by dividing the data into groups as follows: area, sub-repair group, repair time, and repair costs from 3,103 records. The process was used to analyze data using the method of Control Chart and X-bar R chart for the subgroup. The result showed the analysis of groups of repair notifications exceed the standard of service level agreement and the possibility of repair notification in each repair group. This study showed forecasting and giving priority to the next repair notifications. From the results of this study, it was possible to manage the repair process or maintenance priority in each repair group. The results of this research might serve as a guideline for key developments and performance in stores. It would also guide how the company and other retailers should reconsider their strategies about store maintenance. The finding might be useful for store owners to find the appropriate strategies in dealing with the possible maintenance and its cost.