Lean Six Sigma Essay
ABSTRACT
Lean Six Sigma is a disciplined, systematic and quantitative method, with a goal of reducing the deviations and variations and eliminating the non- value adding activities or wastes within the construction processes. This paper aims to investigate the critical factors affecting the quality as well as causing the waste within the construction of a road project. In an attempt to improve the quality and limiting the extent of non-value adding activities. The quantitative study approach has been adopted to identify the attributes contributing a number of quality problems (deviations and variations) and waste within the construction processes of a road project, therefore, needs to bring down by driving the suitable methods of Six Sigma
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Lean gives a significant idea about the causes of waste and the methods to reduce or eliminate the amount of waste during production[10]. With Lean culture and execution methodology helps in minimizing waste and also efforts in order to generate maximum value. The concept of Lean philosophy was first introduced in manufacturing includes the increased output flexibility and transparency of production system, however, it has been ideal for construction industries …show more content…
The fundamental purpose of Six Sigma is to eliminate the variability and defects thereby improving customer satisfaction and profitability[12]. The principle of Six Sigma is governed by the disciplined, quantitative and multi-faceted approach to the process improvements, therefore, achieving ‘closet-to-zero defect’ product[11].Six Sigma methodology provides a structured framework DMAIC for continuous process improvement. The steps involved are:
1. Define. Define the customer requirements, key variables affecting the quality and causing waste, project goal and scope.
2. Measure. Data collection plan and measure the process performance.
3. Analyze. Analyze the data collected and determine the root cause of key variables critical to quality.
4. Improve. Generate the potential solution in order to improve the processes by eliminating the root causes.
5. Control. Establish a control plan to ensure sustainability of improvements[8], [13], [14].
3. SAMPLE AND DATA
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