APPLICATION OF LEAN MANUFACTURING IN THE PAINTING PLANT MANUFACTURING PROCESS BY REDUCING WASTE WAITING A CASE STUDY AT PT.KOBA MULTI INDONESIA

PT. Koba Multi Indonesia is a local private company engaged in Manufacturing (Fabrication and Services), to be able to maximize production that continues to grow in accordance with its era and increase profits to the company by trying to reduce costs, improve quality and timely delivery to customers. This study, aims to determine the various forms of waste that often occur at PT. Koba Multi Indonesia, so that it can increase production efficiency, therefore we need a lean manufacturing approach. Lean Manufacturing is an effort to eliminate waste in production, increase added value on a product and provide continuously improved value to customers by a manufacturing industry, by using the value stream mapping method to improve efficiency. Lean manufacturing methods focus on identifying and eliminating activities that have no added value, the first step is the translation of the VSM method (value stream mapping) as a tool for mapping the entire production process, then weighing 7 wastes through a questionnaire and the results of ranking waste translated through the RCA method ( root cause analysis). So that, this research can increase productivity and know activities that do not add value (Non Value Added) in line with the process of making painting plants and eliminating waste as one of the causes of delay in making a painting plant in the completion of job handover.