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The D’Arcadia Treasure (DAT) is a Small and Medium Enterprises (SME) that made shoes from traditional Indonesian fabrics. The research objective is to design a structured and documented quality control system to make companies easier to control the production process according to the quality standards desired by consumers. The initial stage is to identify of DAT’s Critical to Quality that will be the basis for compiling a Quality Plan, then using Statistical Process Control method for the control process and Cost of Quality identification. The results of the initial condition analysis are known there are 5 stages of the main process of making flat shoes as the object of research, namely spraying, pattern making, sewing, assembly, and finishing. Furthermore, the quality control system is designed to be divided into 3, namely raw material receipts, production processes, and finished goods equipped with quality control tools checksheet tables and instructions for use. The results of the implementation and analysis of Failure Mode Effect Analysis obtained the highest RPN value of 224 in the assembly process. The entire series of control processes are carried out with the Plan Do Check Action procedure which is a continuous cycle to be implemented in the company.

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Mobilization and population growth caused waste generation and energy supply increments. It requires more efficient waste management and treatment methods. On the other side, the availability of fossil fuel resources decreased, it urges alternative energy sources to take place. One of the waste-to-energy implementations is using domestic waste into briquettes as refuse-derived fuel (RDF) for gasification fuel as the solutions to overcome this problem. Bali Province is one of the targets of the government’s acceleration program for the construction of waste processing plants into electric energy based on Presidential Regulation 35/2018. Waste- to-energy can be applied as co-firing in power plant. This study aims to determine the potential utilization of refuse-derived-fuel as power plant at Suwung Sarbagita Landfill and Bali Province as study case. Wastes are produced into briquette as refuse-derived-fuel. The proximate test results of briquette characteristics were analyzed in laboratory. Potential utilization calculation using data of waste generation in Bali Province, briquette characteristics especially calorific value, and optimal coal and briquette ratio of co-firing process. From the calculation with assuming using Integrated Gasification Combined Cycle (IGGC) system technology with efficiency of 45%, waste in Suwung Sarbagita Landfill, Bali Province has the potential to generate electricity of 101.6 MW.