Waste Minimization At Sanjai Anna Payakumbuh Using Lean Approach

Loisa, Hosiana Naibaho (2024) Waste Minimization At Sanjai Anna Payakumbuh Using Lean Approach. Diploma thesis, Universitas Andalas.

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Abstract

The Small, and Medium Enterprises (SME’s) sector plays a crucial role in the Indonesian economy, contributing significantly with 61.07 percent to the gross domestic product, employing 97 percent of the workforce, and accumulating 60.42 percent of the total investment. However, the development of SME’s faces challenges such as weak business management, a lack of quality human resources, and limited access to financial institutions. This research focuses on Sanjai Anna, one of the SME’s in Payakumbuh engaged in the sale of typical products from West Sumatra. The study titled "Waste Minimization at Sanjai Anna Payakumbuh Using Lean Approach" aims to identify potential and prioritized wastages at Sanjai Anna and formulate appropriate solutions to minimize these inefficiencies. The research follows the Define, Measure, Analysis, and Improve stages. The define stage in this study utilizes a Value Stream Map to identify a list of potential waste at Sanjai Anna. These potential wastes are then weighted to determine the significant ones that impact Sanjai Anna, utilizing Fuzzy Analytic Hierarchy Process (Fuzzy AHP) and identifying critical waste through a Pareto Diagram. An analysis of the root causes of waste is conducted using a Fishbone Diagram. Subsequently, solutions are formulated based on the identified causes of the problem. The research findings reveal significant potential waste cumulatively amounting to 77%, including delays in the arrival of raw materials, the presence of defect product (crack products and the red-edged products), along with the time spent searching for tools. Proposed improvements to minimize waste at Sanjai Anna Payakumbuh include standardizing ordering and scheduling processes,establishing contracts with suppliers, evaluating the current production floor, directing workers to adhere more strictly to existing rules and procedures, and providing temperature measurement tools for oil and setting oil temperature standards.

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