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All Journal EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis JURNAL MANAJEMEN
Yuanita Handayati
Institut Teknologi Bandung
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Other

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STRATEGY TO REDUCE COAL HAULING CYCLE TIME TO INCREASE THE PRODUCTIVITY IN PT ADARO INDONESIA Jil Helga; Yuanita Handayati; Adirizal Nizar
JPIM (Jurnal Penelitian Ilmu Manajemen) Vol 8 No 2 (2023): JPIM (JURNAL PENELITIAN ILMU MANAJEMEN)
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jpim.v8i2.1605

Abstract

PT Adaro Indonesia (AI) is one of the largest thermal coal producers in Indonesia with production of around 40-50 million tons per year. AI’s mine business processes are managing mining production operations and selling to customers. To transport coal from production sites to sales points, AI travels by land and river. This paper will focus on transportation by land. Land coal transportation is carried out from the Stockpile/ROM (run-of-mine) to the Barito River Port in Kelanis Dedicated Coal Terminal using a coal trailer with capacity of 140-ton through dedicated hauling road along 86 km. one coal hauling cycle takes approximately five hours. It includes loading time in the stockpile, hauling time, weighing time on the weighing bridge and dumping time at Kelanis, then back to the Stockpile. In the period of January – April 2022, the average hauling cycle time is 5 hours 14 minutes which means exceeding the agreed time at the beginning of the year which was 5 hours. This has an impact on the non-achievement of sales target in the period that ultimately has an impact on not achieving the company’s revenue target. The focus on this research is to analyze the root cause of the non-achievement of cycle time targets on the dedicated hauling road and will identify the solutions to improve the conditions. The methods used are quantitative and qualitative to obtain data and information from various company stakeholders. The root cause of the problem is identified based on the data then validated based on the results of interviews and literature studies. The problems concluded from this study are transportation time and weighing time. The hauling time is affected by the average travel speed of the trailer, while the weighing time is affected by the change shift of trailer operator. Therefore, we recommended solution to increase the average travel speed of the trailers based on the root cause analysis is to increase road maintenance, while to reduce weighing time is to reschedule the number trailer operator shifts.
Information Needs Analysis For Inventory Management System Development Based On Existing Conditions In MSMEs Jeremy Andrian Kurniadi; Yuanita Handayati
EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Vol 13 No 1 (2025): Januari
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/ekombis.v13i1.6918

Abstract

The purpose of this research is to strengthen its competitive advantage in the digital business industry in Indonesia by utilizing digital solutions to fulfill consumer needs, considering increasing market rivalry and the progress of digital products. The interview was conducted with micro, small, and medium-sized enterprises (MSMEs) located in West Java from January to June 2024 to identify the issues and needs of MSMEs. The identified problems need to be further processed using the System Development Life Cycle method. The results are expected to be utilized in the development of an Inventory Management Information System that can support the effectiveness of inventory management by MSMEs.
Improvement Proposal Of Welded Wire Mesh Production Process In PT HBU Using FMEA And Six Sigma With DMAIC Framework Kevin Revialdy Handoko; Yuanita Handayati
EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Vol 13 No 1 (2025): Januari
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/ekombis.v13i1.6926

Abstract

This research aims to identify and provide alternative solutions as an effort to reduce defects in the welded wire mesh production process at PT HBU using the Six Sigma approach integrated with Failure Mode and Effect Analysis (FMEA). This research was carried out by applying the DMAIC (Define, Measure, Analyze, Improve, Control) framework to improve product quality and process efficiency. In the Define stage, key problems are identified, and improvement objectives are set. The Measure stage includes data collection and initial analysis to measure the existing defect rate using the Defect per Million Opportunities (DPMO) and Sigma Level metrics. Furthermore, in the Analyze stage, root causes are identified and analyzed using Cause-and-Effect Diagram. In the Improve stage, FMEA is used to analyze the potential causes of defects by determining their priority and proposing improvement solutions based on the previous analysis to be implemented as an effort to reduce the possibility of defective products in the production process. Finally, in the Control stage, a schedule is designed for the implementation of the proposed improvements provided. The implementation of this integrated approach is expected to reduce the defect rate in products, improve product quality, and improve overall operational efficiency.
Inventory System Improvement At PT Furniture Using The Dmaic Method Okky Saputra; Yuanita Handayati
EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Vol 13 No 1 (2025): Januari
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/ekombis.v13i1.6931

Abstract

PT Furniture is a company engaged in the distribution of goods located in Bandung, West Java. The company itself sells various products, in the field of home interiors. In the current system, the database owned by the company does not actually describe the number of goods owned by the company. The method used by the company to overcome this problem is the DMAIC method. In the DMAIC method, there are five stages carried out to solve the problem, namely define, measure, analyze, improve, and control. At the measure stage that has been carried out, it was found that the company had problems in the business process of purchasing goods, selling goods, and borrowing goods. From the business process owned by the company, ten root causes of failure were identified at the analyze stage. In the problems that occurred in the company, a proposal for improvement was made for the problematic business process. The proposed improvements are estimated to reduce the possibility of problems occurring in the company.
Co-Authors Adirizal Nizar Jeremy Andrian Kurniadi Jil Helga Kevin Revialdy Handoko Okky Saputra