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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Surya Teknika
Yumi Meuthia
Fakultas Teknologi Industri, Jurusan Teknik Industri, Universitas Andalas. Kampus Limau Manis, Padang 25163
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Design Konseptual Model Pengelolaan Sampah di Kota Padang Rahmayanti, Dina; Meuthia, Yumi; Aqila, Andini
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 3 (2024): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i3.28157

Abstract

The increase in waste at the Padang City landfill (TPA) each year is caused by population growth and the imbalance between the amount of waste generated and the waste processing facilities at the source. As a result, inadequately processed waste at waste banks, TPS3R, and TPST ends up in the landfill, where space is increasingly limited. This study uses a Causal Loop Diagram (CLD) to identify and analyze the waste management and disposal system in Padang City and its impact on overall waste management. The conceptual model is created with three CLD submodels: the population submodel, the waste at source submodel, and the waste processing submodel. This study concludes that a more dynamic approach and comprehensive analysis of all aspects of waste management are needed to reduce waste accumulation at the landfill and increase its capacity in the future. The conceptual waste management model developed serves as an initial step in creating a dynamic system that can help solve waste problems effectively and sustainably.
Pengendalian Kualitas Proses Pembuatan Botol 600 ml Menggunakan Metode Statistical Process Control (SPC) dan Failure Mode and Effect Analysis (FMEA) Rahmayanti, Dina; Wirdianto, Eri; Meuthia, Yumi; Kurnia Sandi, Devid
SURYA TEKNIKA Vol 13 No 1 (2026): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v13i1.11283

Abstract

Product quality is the main factor determining the competitiveness of bottled drinking water (AMDK) companies. PT Amanah Insanillahia, as one of the AMDK producers, still faces problems related to the high number of defective products, especially in the 600 ml bottle manufacturing process, with an average defect percentage of 1.40%, exceeding the company’s target of 1.00%. This study aims to identify the dominant types of defects and propose quality control improvement measures for the 600 ml bottle manufacturing process. The research data consist of primary and secondary data collected through observation, interviews, and production documentation. The methods used in this study are Statistical Process Control (SPC) supported by process mapping, Critical to Quality (CTQ), check sheets, Pareto diagrams, and fishbone diagrams, as well as the Failure Mode and Effect Analysis (FMEA) approach. The results show that the Body/Bottom wavy defect is the most dominant type of defect based on Pareto analysis. According to the FMEA analysis, the main causes of defects originate from machine factors, work methods, and human factors. The proposed priority improvements include the preparation of Standard Operating Procedures (SOPs), clear work instructions, and operator training to reduce defect rates and improve product quality.
Co-Authors Ahmad S. Indrapriyatna Albin, Justin Aqila, Andini Dicky Fatrias Dina Rahmayanti Eri Wirdianto Hafizh, Ahmad Kurnia Sandi, Devid Monalisa Gusti