Title |
A Case Study on the Performance Analysis for Applying 6 sigma to a Construction Company |
Authors |
Kim, Se-Won ; Hwang, Uk-Sun ; Kim. Sun-Kuk ; Kim, Yong-Su |
Keywords |
6 Sigma ; Construction company ; Project ; Quality cost |
Abstract |
The object of this study is to present performance by applying six sigma quality management to a construction company. The research method involves to investigate and analyze data regarding six sigma projects in S construction company and a questionnaire survey from the personnel of the S construction company. The results of this study are as follows : 1) S construction company utilized the six sigma quality management for 258 projects during the years of 2003 and 2004 and this bring the effect of cost reduction for quality. Moreover, before using the six sigma quality management, the average level of sigma in this company was around 2.8, after using this, the level increased to 3.6. Particularly, the construction management part, the level increased from 1.3 to 2.6. 2) respondents recognize that quality management costs by applying six sigma is reduced. but there is only a little operational efficiency because it is in the early stage of applying six sigma quality management. |