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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

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

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

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

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.

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

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.

Designing An Integrated Local Content Commodity Catalog and Monitoring Mechanism for Procurement at PT Bumi Energi Ade Febriyani; Yuanita Handayati
Inkubis : Jurnal Ekonomi dan Bisnis Vol. 8 No. 1 (2026): INKUBIS Jurnal Ekonomi Dan Bisnis
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/inkubis.v8i1.154

Background: The Domestic Component Level Policy (TKDN) is a strategic instrument of the government in encouraging national industrial independence through procurement mechanisms, especially in State-Owned Enterprises (SOEs). PT Bumi Energi as a national energy company is required to integrate TKDN in every procurement process. However, its implementation still faces challenges, especially at the stage of analyzing the minimum value of TKDN and monitoring post-contract realization. Objective: This study aims to analyze the influence of the weaknesses of TKDN monitoring on the effectiveness of the procurement process at PT Bumi Energi and formulate a strategy to improve it. Methods: The research method uses a qualitative approach with a case study design. Data was collected through semi-structured interviews, participatory observations, internal document review, and benchmarking with oil and gas sector companies that have more mature TKDN practices. The analysis was carried out using thematic analysis and gap analysis to compare existing conditions with ideal conditions based on regulations and best practices. Results: The results show that the weakness of verification standards, reliance on vendor self-declaration, and the absence of an integrated TKDN database affect the effectiveness of procurement decision-making and increase governance risks. Conclusion: This study concludes that strengthening TKDN monitoring procedures, establishing clear PIC mandates, and developing an integrated TKDN commodity catalog and database system are the key strategies to enhance procurement governance effectiveness at PT Bumi Energi. These findings contribute to the micro-organizational governance literature and provide actionable policy recommendations for SOEs facing similar TKDN compliance challenges.

ENHANCING COAL SUPPLY PERFORMANCE THROUGH LEAN COAL FLOW AND STOCKPILE CAPACITY OPTIMIZATION Dian Lazuardy Bachtiar Ardaraja; Yuanita Handayati
Journal of Economic, Bussines and Accounting (COSTING) Vol. 9 No. 1 (2026): COSTING : Journal of Economic, Bussines and Accounting
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/dm4v8w44

This study evaluates the coal supply operations at a mine-mouth power plant that faces operational challenges due to increasing production and fluctuating demand, which have led to limited stockpile capacity and inefficient coal flow. By integrating safety stock analysis, livestock capacity planning, and lean management principles, the research identifies that the current fixed safety stock benchmark of 100,000 tons will be insufficient by 2027, requiring an increase to 171,194 tons/month to maintain a 95% service level. The findings reveal that the existing livestock capacity of 230,000 tons is inadequate for future needs, necessitating an expansion to approximately 764,108 tons to accommodate rising throughput and eliminate the need for costly temporary stockpiles and double handling. Implementing these structural improvements and reconfiguring the system to a direct coal flow is projected to reduce hauling distances by 0.6 km per ton, resulting in substantial operational cost savings of approximately Rp317.5 billion per year until 2027. Ultimately, this research provides an integrated framework that demonstrates how aligning physical infrastructure with lean principles can achieve sustainable economic benefits and ensure a more reliable coal supply chain.

PENERAPAN PRINSIP-PRINSIP LEAN CONSTRUCTION UNTUK MENINGKATKAN EFISIENSI PROYEK DAN MENGURANGI BIAYA: STUDI KASUS PADA KONTRAKTOR KONSTRUKSI DI INDONESIA Inton Kurniawan Saputra; Yuanita Handayati
Journal of Economic, Bussines and Accounting (COSTING) Vol. 9 No. 4 (2026): Journal of Economic, Bussines and Accounting (COSTING)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/smq7y220

Penelitian ini menunjukkan bahwa penerapan terintegrasi prinsip-prinsip *Lean Construction*—khususnya *Last Planner System* (LPS), *Value Stream Mapping* (VSM), dan 5S—dapat secara efektif mengatasi inefisiensi sistemik dalam proses pelaksanaan proyek di PT AKN, sebuah perusahaan kontraktor konstruksi besar di Indonesia. Intervensi penelitian tindakan pada empat proyek prioritas menghasilkan peningkatan yang terukur: keandalan rencana meningkat dari 60,9% menjadi 74,5% melalui penerapan LPS, waktu siklus (*lead time*) keseluruhan berkurang sebesar 16,1% (rata-rata 4,0 hari) melalui perancangan ulang proses menggunakan VSM, dan limbah material menurun dari 5,64% menjadi 2,63% melalui penataan tempat kerja berbasis 5S. Peningkatan operasional ini menghasilkan penghematan biaya terukur sebesar Rp1.237.700.000 selama periode evaluasi, yang mencakup penghematan pada biaya persiapan (*preliminaries*), pengurangan limbah material, pengurangan pengerjaan ulang (*rework*), dan penghematan biaya lembur. Persepsi pemangku kepentingan sangat mendukung temuan ini, dengan tingkat kesepakatan 82–84% mengenai peningkatan keandalan jadwal, pengurangan waktu tunggu, dan pengendalian biaya yang lebih baik. Hasil penelitian ini mengonfirmasi bahwa penerapan prinsip perencanaan kolaboratif, manajemen aliran kerja, dan penataan tempat kerja secara disiplin dapat memitigasi keterlambatan jadwal yang kronis, pembengkakan biaya, dan pemborosan di lokasi proyek dalam konteks konstruksi Indonesia, serta memberikan wawasan praktis bagi kontraktor yang menghadapi tantangan serupa.

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