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All Journal OPERATION EXCELLENCE: Journal of Applied Industrial Engineering JURNAL KEPEMIMPINAN DAN PENGURUSAN SEKOLAH Jurnal Manajemen Pendidikan Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Journal of Economicate Studies Industry Xplore Jurnal Media Teknik dan Sistem Industri Jurnal Teknik Industri Terintegrasi (JUTIN) International Journal of Applied Technology Research Jurnal Media Teknologi Teknologika Jurnal Manajemen Bisnis dan Organisasi Journal of Management and Industrial Engineering (JMIE) Journal of Information System, Technology and Engineering Influence: International Journal of Science Review KONTAN: Jurnal Ekonomi, Manajemen dan Bisnis Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Journal of Renewable Engineering
Rizky Fajar Ramdhani
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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Usulan Perbaikan Proses Bisnis Departemen J20 di PT Indorama Synthetics Tbk dengan Menggunakan Metode Business Process Reengineering Oetomo, Dedy Setyo; Ramdhani, Rizky Fajar
Jurnal Media Teknik dan Sistem Industri Vol 5, No 2 (2021)
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jmtsi.v5i2.1416

Abstract

The business process of the J20 production department is currently experiencing obstacles in terms of information delivery, production report, maintenance report, and problem information that causes decision making is often irrelevant. This is due to the use of paper media with a long bureaucratic flow so that the cycle time becomes inefficient. This study used business process reengineering, modeling business process in business process modeling notation (BPMN), and supporting research problem analysis used fishbone diagram. The result showed changes in a process flow, job desk, unit elimination, and proposed design of information systems in the form of application software as a solution to the problems studied, so that it is expected to obtain process time efficiency of 65.1% and cycle time of 99.2% of the previous total time. Proses bisnis departemen produksi J20 saat ini mengalami hambatan dalam hal penyampaian informasi, laporan hasil produksi, laporan maintenance, serta informasi problem, yang menyebabkan pengambilan keputusan sering kali terjadi bias. Hal ini di sebabkan oleh penggunaan media kertas dengan alur birokrasi yang panjang sehingga waktu siklus menjadi tidak efisien. Pada penelitian ini digunakan metode Business Process Reengineering, dengan memodelkan bisnis proses dalam Business Process Modelling Notation (BPMN), serta pendukung analisa masalah penelitian digunakan diagram tulang ikan. Hasil penelitian menunjukan adanya perubahan alur proses, jobdesk, eliminasi unit, serta usulan perancangan sistem informasi berupa software aplikasi sebagai solusi dari permasalahan yang diteliti, sehingga diharapkan dapat diperoleh efisiensi waktu proses sebesar 65,1% dan waktu siklus sebesar 99,2% dari total waktu sebelumnya.
Smart City Priority Innovation Assessment In West Bandung Regency Ramdhani, Rizky Fajar; Sofyan, Hady
Journal of Renewable Engineering Vol. 2 No. 2 (2025): JORE - April
Publisher : Pt. Anagata Sembagi Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62872/40v6w830

Abstract

This study aims to assess the implementation of smart city innovations in West Bandung Regency in 2024, focusing on evaluating user satisfaction with the priority applications that have been launched. The research method uses the Unified Theory of Acceptance and Use of Technology (UTAUT) model to measure Performance Expectancy, Effort Expectancy, Social Influence, and Facilitating Conditions variables, as well as their impact on customer satisfaction. Data were collected through questionnaires from public servants associated with 37 smart city innovations. The results showed that Smart Branding: Visit KBB had the highest Performance Expectancy and Facilitating Conditions scores, while BA QRIS and Smart Branding: Visit KBB applications had the highest Effort Expectancy scores. The implications of this research are to provide recommendations for improving the effectiveness and acceptance of smart city applications in West Bandung Regency, as well as providing insights for the development of future smart city programs.
Perancangan Tata Letak Gudang Delivery Produk Karpet Kendaraan Roda Empat Menggunakan Pendekatan Systematic Layout Planning di PT Kotobukiya Indo Classic Industries Ramdani, Dani; Ramdhani, Rizky Fajar
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.57405

Abstract

This study aims to redesign the layout of the delivery warehouse for four-wheeled vehicle carpet products at PT Kotobukiya Indo Classic Industries (KICI) using the Systematic Layout Planning (SLP) approach. The main problems identified include the accumulation of goods in the over part area, inefficient material flow, and limited warehouse capacity, which impact delivery delays. The research method was conducted through direct observation, collection of inflow–outflow data of parts, and analysis of activity relationships using relationship diagrams. The results indicate that the existing warehouse capacity is unable to accommodate the production volume of major customers such as (TMMIN), with inflow reaching 4,171 units per month for certain parts. The SLP-based layout redesign resulted in a new warehouse configuration with shorter forklift movement paths, more systematic space arrangement, and more consistent implementation of the FIFO system. The findings conclude that the application of SLP can improve material flow efficiency, reduce handling time, and increase the effective warehouse capacity.
ANALISIS EFISIENSI BIAYA PEMELIHARAAN MESIN ROBOT WELDING MENGGUNAKAN METODE RELIABILITY CENTERED MAINTENANCE (RCM) DI PT. XYZ Hardi Elfandi; Yayan Heru Haerudin; Rizky Fajar Ramdhani
Jurnal Kepemimpinan dan Pengurusan Sekolah Vol. 11 No. 3 (2026): Regular Issue (In Progress)
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/jkps.v11i3.3272

Abstract

The Robot Welding machine is one of the primary production equipment at PT. XYZ with a high utilization rate, requiring an effective maintenance system to ensure its operational reliability. The existing maintenance system is predominantly based on corrective maintenance, resulting in recurring failures, increased downtime, and higher maintenance costs. This study aims to identify critical components, determine appropriate maintenance strategies using the Reliability Centered Maintenance (RCM) method, and analyze maintenance cost efficiency. The research employs the Reliability Centered Maintenance (RCM) approach supported by Failure Mode and Effects Analysis (FMEA), Risk Priority Number (RPN), and Logic Tree Analysis (LTA). The analysis identified four critical components: Contact Tip, O-ring, Feeder Roller, and Conduit Cable (Liner). Based on the RCM Decision Worksheet, the Contact Tip is recommended for Time-Based Maintenance (TBM), while the O-ring, Feeder Roller, and Conduit Cable (Liner) are recommended for Condition-Based Maintenance (CBM). The maintenance cost analysis indicates that the total corrective maintenance cost was IDR 5,177,177, whereas the proposed preventive maintenance cost was reduced to IDR 4,650,000, resulting in a cost saving of IDR 527,177 or approximately 10.18%. The findings demonstrate that the implementation of the Reliability Centered Maintenance method can improve the effectiveness of the maintenance system while reducing maintenance costs for the Robot Welding machine at PT. XYZ.
PENGUKURAN KINERJA PADA MESIN PUNCH HOLE MENGGUNAKAN METODE OVERALL EQUIPMENT EFECTIVENESS (OEE) PADA DI PT.XYZ Rizky Kurniawan; Rizky Fajar Ramdhani; Akhsani Nur Amalia
Jurnal Kepemimpinan dan Pengurusan Sekolah Vol. 11 No. 3 (2026): Regular Issue (In Progress)
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/jkps.v11i3.3281

Abstract

This study aims to evaluate the effectiveness of the Punch Hole machine at PT. XYZ using the Overall Equipment Effectiveness (OEE) method, identify the factors causing performance losses through the Six Big Losses analysis, and propose improvement strategies. A descriptive quantitative approach was employed using operational data from January to December 2025, including operating time, downtime, production output, and defective products. Data were collected through observation, interviews, and documentation, then analyzed using the OEE indicators (Availability, Performance, and Quality), followed by Six Big Losses and Fishbone Diagram analyses. The results indicate that the OEE value of the Punch Hole machine ranged from 41% to 63%, which is below the world-class standard of 85%. The dominant factors reducing machine effectiveness were Reduced Speed Losses (35%) and Equipment Failure Losses (12%). The Fishbone Diagram revealed that the primary causes originated from machine, method, and material factors. The novelty of this study lies in integrating OEE, Six Big Losses, and Fishbone Diagram analyses to develop a preventive maintenance strategy for improving machine effectiveness and production productivity.
Analysis of T-Shirt Product Quality Control to Minimize Defects Using Fault Tree Analysis (FTA) and Failure Mode and Effects Analysis (FMEA) at CV Dwiputra Ihwa Rifal Choerul Harisin; Rizky Fajar Ramdhani; Akhsani Nur Amalia
INFLUENCE: INTERNATIONAL JOURNAL OF SCIENCE REVIEW Vol. 8 No. 2 (2026): INFLUENCE: International Journal of Science Review
Publisher : Global Writing Academica Researching and Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/influencejournal.v8i2.353

Abstract

CV Dwiputra Ihwa is a company that operates in the garment industry, specifically producing T-shirts based on special orders or in large quantities. From June 2025 to May 2026, the percentage of defective products was 7.6% out of a total production of 18,478 units. This situation leads to more rework, waste of raw materials, and lower production efficiency. This study aims to find out which type of defect is most common, look into why these defects happen, and figure out what improvements should be done first to make the T-shirt product better. The study uses a descriptive method with a qualitative approach through a case study. Data was collected through observation, interviews, and document study, then analyzed using Pareto Diagram, Fault Tree Analysis, and Failure Mode and Effect Analysis. The Pareto chart analysis shows that stitching defects (43%) and inaccurate screen-printing defects (37%) are the two main types of defects, contributing about 80% of all defective products. The FTA analysis shows that the second type of defect is caused by a combination of human factors, methods, materials, and machines (4M), with human factors and methods being the most significant causes. The FMEA analysis results show that the Risk Priority Number (RPN) ranges from 30 to 252, with the highest risk cause being overly high production targets (RPN = 252). Based on the research results, it can be concluded that using Pareto Diagram, FTA, and FMEA is effective in identifying types of defects, analyzing root causes, and determining priorities for improvement, which helps support the enhancement of the quality of T-shirts produced by CV Dwiputra Ihwa.
PENENTUAN KEBIJAKAN PERSEDIAAN SPARE PART JOK MOBIL DENGAN PENDEKATAN METODE ABC, ECONOMIC ORDER QUANTITY (EOQ), PERIOD ORDER QUANTITY (POQ) UNTUK MENURUNKAN BIAYA PERSEDIAAN PT. XYZ Bintang Naufal Fauzan; Asep Hermawan; Rizky Fajar Ramdhani
Journal of Management and Industrial Engineering (JMIE) Vol. 3 No. 2 (2024): SEPTEMBER
Publisher : LPPM Sekolah Tinggi Teknologi Nusantara Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

PT. XYZ is a manufacturing company in the automotive industry that produces car seats. This thesis explains how to determine the amount of spare part inventory that is more economical and efficient. The technique for determining inventory in this research is determining the most economical price (Economic Order Quantity), safety stock, reordering (Reorder Point), and the number of orders per period (Period Order Quantity). Based on the results of research using the EOQ method, the number of spare part purchases was 112,149 pieces, the economic inventory cost (EOQ) was IDR 3,350,290 for reorders per period (ROP), with a quantity of 139,595 pieces. The quantity per period (POQ) is around 99 orders with a total quantity of 532,372.40 pieces, for inventory costs according to the period (POQ) is IDR 3,195,422. Conclusions and this research shows that the order quantity is more economical compared to the method used by PT XYZ.    
Evaluasi Inovasi Prioritas Smart City Di Kabupaten Bandung Barat Menggunakan Metode Fuzzy Logic Rizky Fajar Ramdhani Ramdhani; Hady Sofyan; Rani Sri Wahyuni
Jurnal Teknologika Vol 15 No 2 (2025): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51132/teknologika.v15i2.513

Abstract

This study aims to assess the implementation of smart city innovations in West Bandung Regency in 2024, utilizing a fuzzy logic-based approach. Unlike previous research, which relied on the Unified Theory of Acceptance and Use of Technology (UTAUT) model, this study employs fuzzy logic techniques to evaluate user satisfaction with 37 prioritized innovative city applications. Fuzzy logic is selected for its capability to process qualitative and subjective data, enabling a more adaptive assessment of user perceptions. Data were gathered through structured questionnaires and in-depth interviews with public service employees, who are the primary users of these digital platforms. Evaluation dimensions—including ease of use, perceived benefits, social influence, and facility availability—were translated into fuzzy sets and analyzed through a Mamdani fuzzy inference system to derive comprehensive satisfaction scores. The results reveal that the “Smart Branding: Visit KBB” and “BA QRIS” applications achieved the highest satisfaction levels, particularly in terms of usability and infrastructure support. The study offers fuzzy logic-based recommendations to enhance the effectiveness, acceptance, and strategic development of smart city innovations. It also proposes an alternative, more responsive evaluation method for policy-making in the context of digital governance. Keyword: smart city, fuzzy logic, user satisfaction, innovation, West Bandung Regency
USULAN PERBAIKAN DAN TINDAKAN MITIGASI RESIKO KESELAMATAN PENGUNJUNG PADA KOLAM RENANG CIHANJAWAR MENGGUNAKAN METODE HIRA dan HAZOP Raihan Hamdhan Zulva; Yayan Heru Haerudin; Rizky Fajar Ramdhani
Jurnal Kepemimpinan dan Pengurusan Sekolah Vol. 11 No. 4 (2026): Regular Issue (In Progress)
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/jkps.v11i4.3115

Abstract

Objective: Visitor safety is an essential aspect of swimming pool management because various hazards may lead to accidents. This study aims to identify potential hazards, assess visitor safety risks, and propose mitigation measures at Cihanjawar Swimming Pool, Purwakarta, using the Hazard Identification and Risk Assessment (HIRA) and Hazard and Operability Study (HAZOP) methods. Data were collected through observation, interviews, and documentation. HIRA was applied to identify hazards and assess risks based on likelihood and severity, while HAZOP analyzed causes, consequences, existing controls, and improvement recommendations. The results identified 10 major hazards, including six high-risk and four medium-risk categories. The highest risk was inadequate supervision by lifeguards and parents, with a risk score of 16, while the drowning risk scored 15. HAZOP analysis revealed that human factors, facility conditions, and the surrounding environment were the main causes of these risks. Recommended mitigation measures include increasing lifeguards, installing clearer safety signs, providing pool depth information, applying anti-slip flooring, repairing damaged facilities, and improving visitor safety education. The novelty of this study lies in integrating HIRA and HAZOP to provide a more comprehensive risk assessment and mitigation strategy.
ANALISIS RISIKO KESELAMATAN KERJA MENGGUNAKAN METODE JOB SAFETY ANALYSIS (JSA) DAN FAILURE MODE AND EFFECTS ANALYSIS (FMEA) PADA PROSES PENGOLAHAN LIMBAH DI CV. DEA AYU LESTARI PURWAKARTA Galuh Abu Bakar Fadillah; Yayan Heru Haerudin; Rizky Fajar Ramdhani
Jurnal Kepemimpinan dan Pengurusan Sekolah Vol. 11 No. 4 (2026): Regular Issue (In Progress)
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/jkps.v11i4.3196

Abstract

Occupational safety and health (OSH) is essential to prevent workplace accidents in industrial activities. CV. Dea Ayu Lestari, a solid waste collection and sales company, involves intensive manual material handling that poses significant accident risks. This study aims to identify potential hazards and analyze risk levels in waste processing activities using Job Safety Analysis (JSA) and Failure Mode and Effects Analysis (FMEA). JSA was applied to qualitatively break down work steps and identify hazards, while FMEA quantified the risks using Severity (S), Occurrence (O), and Detection (D) parameters to determine the Risk Priority Number (RPN). The results revealed that high-priority risks are concentrated in handling wooden and iron sheet pallets, with the highest risk occurring during the transportation of wooden pallets to collectors due to the hazard of being struck by collapsing materials, yielding a peak RPN of 126. Other critical risks include sharp metal cuts from rusted iron sheets (RPN 112). Recommended control measures include the operationalization of four newly designed Standard Operating Procedures (SOPs), the introduction of mechanical handling aids, and mandatory compliance with standardized personal protective equipment (PPE), specifically cut-resistant gloves and safety shoes.
Co-Authors Abdullah, Kukuh Abdullah Akhsani Nur Amalia Akhsani Nur Amalia Akhsani Nur Amalia Akhsani Nur Amalia Ari Putri Abdi Asep Hermawan Asep Hermawan Asep Hermawan Bintang Naufal Fauzan Bintang Nidia Kusuma Daffa Pratama Akmal Dani Ramdani, Dani Dewi , Eki Kania Fanani, Ivan Febrian, Angga Arisandi Galuh Abu Bakar Fadillah Hady Sofyan Hardi Elfandi Haris Sandi Yudha Herry Firmansyah Ivan Fanani Qomusuddin Kosim, Komara Muhamad Fitra Ridwana Muhammad Ali Akbar Muhammad Ali Akbar Muhammad Ihsan Nurhayaty, Maria Oetomo, Dedi Setyo Oetomo, Dedy Setyo Osep Hizuzaman Qomusuddin, Ivan Fanani Raihan Hamdhan Zulva Rani Sri Wahyuni Rian Nurjaman Rifal Choerul Harisin Rikzan Bachrul Ulum Riska Maulia Rizky Kurniawan Roby Ramdan Sandra Damayanti Shaleha, Rahma Luthfia Siti Romlah Siti Romlah Sofyan, Hady Sri Nuraeni Tarman Wijaya, Mochamad Fauzy Yayan Heru Haerudin Yayan Heru Haerudin