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All Journal Jurnas Nasional Teknologi dan Sistem Informasi Jurnal Sistem Teknik Industri AEEJ : Journal of Automotive Engineering and Vocational Education AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Profisiensi : Jurnal Program Studi Teknik Industri Journal of Civil Engineering and Vocational Education
Patrisina, Reinny
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Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Transportation

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Waste Evaluation in Crude Palm Oil (CPO) Production Using Lean Manufacturing Approach Armijal; Marta, Ayu; Patrisina, Reinny; Hasan, Alizar; Amrina, Elita
Jurnal Sistem Teknik Industri Vol. 27 No. 1 (2025): JSTI Volume 27 Number 1 January 2025
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v27i1.19036

Abstract

As business competition intensifies, an organization needs to streamline operations and improve plant performance, focusing on minimizing waste. At Company XYZ, inefficient processes have led to persistent waste in crude palm oil (CPO) production, particularly in the forms of motion, waiting, and transportation. The objective of this study is to identify waste in the CPO production, analyze its root causes, and propose actionable improvements. A lean manufacturing approach was employed using Value Stream Mapping (VSM), Waste Assessment Model (WAM), Waste Assessment Questionnaire (WAQ), Value Stream Mapping Tools (VALSAT), and Cause-and-Effect Diagram methodologies. The VSM analysis revealed motion, waiting, and transportation as the primary waste categories. Waste identification using WAM ranked motion as the most significant waste (19.39%), followed by waiting (14.91%), transportation (14.57%), overproduction (14.23%), defects (14.21%), inventory (14.17%), and overprocessing (8.52%). Process Activity Mapping (PAM) identified 34 activities, with 50% being value-added, 9% non-value-added, and 41% necessary but non-value-added. This research improves operational performance and productivity in CPO production using lean tools. These interventions are expected to reduce waste and enhance operational performance significantly.
Designing A Disaster Preparedness Bag by Considering Ergonomics Aspect Patrisina, Reinny; Hadiguna, Rika Ampuh; Taufik, Taufik; Muluk, Asmuliardi; Putra, Havis Dwi
CIVED Vol. 11 No. 2 (2024): June 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i2.611

Abstract

Disasters may make people having to evacuate. When evacuating, evacuee may bring items required in evacuation place. The items must be ready previously in a bag, called a disaster preparedness bag. In case a disaster occurs, evacuee just grabs it and go for evacuation. Many bags used are not dedicated for disaster situation. Many types of items stored together and mixed causing of difficulty in retrieval. In addition, use of inappropriate bag will interfere with evacuee movement and slow down the evacuee while the evacuation time is too short. This research aims to design ergonomics disaster preparedness bag that can accommodate needs for 3x24 hours. Design process was started with planning phase to find out disaster preparedness bag development opportunity. The second phase is concept development. People who have evacuation experience are asked report their complaints regarding the bag used during previous evacuation and their needs for a disaster preparedness bag. Based on the needs, target specification is determined then concept alternatives are generated and selected. Then, main parts of the bag are identified. Continued with detailed design process, the dimensions of the proposed bag are determined using anthropometric data and dimension of required item in the first 72 hours of evacuation time. The design of proposed bag is such a backpack with multi compartments adjusted to item stored. The shoulder straps are designed like a vest then the load is not focused only on the shoulder but distributed to other part of body such as abdominal and chest muscle. 
Occupational Health and Safety Analysis Using the HIRARC Method at Mitsubishi DIPO Bukittinggi Handika, Rival; Milana, Milana; Hidayat, Nuzul; Setiawan, M. Yasep; Patrisina, Reinny
AEEJ : Journal of Automotive Engineering and Vocational Education Vol 6 No 1 (2025): Vol 6 No 1 (2025) : AEEJ : Journal of Automotive Engineering and Vocational Educa
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/aeej.v6i1.271

Abstract

Occupational safety is a critical concern in automotive workshop environments due to the high-risk nature of tasks such as engine repair, welding, and electrical diagnostics. This study investigates automotive workshop risks at the Mitsubishi DIPO Workshop in Bukittinggi by identifying hazards, assessing risk levels, and formulating workplace accident prevention strategies. The HIRARC (Hazard Identification, Risk Assessment, and Risk Control) method was applied to evaluate 28 potential hazards, two of which were classified as extreme risks. Further analysis of these risks was conducted using the Fishbone Diagram to identify root causes across six contributing factors: human, machine, material, method, environment, and management. Based on these findings, targeted risk control measures were developed following the hierarchy of control, including engineering interventions, administrative policies, and personal protective equipment. This research demonstrates how integrated methods such as HIRARC and Fishbone Diagram can support comprehensive occupational safety planning and risk mitigation in automotive workshops.
Acceptance of SPARING Technology Extending TAM with Perceptions of New Technology Applied in PT.XYZ Septian; Hasan, Alizar; Patrisina, Reinny
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.881

Abstract

The application of technology has proven able to streamline operational activities in the manufacturing industry, from the receipt of raw materials to the delivery of products, as well as the control of waste generated, particularly in wastewater treatment. The continuous online wastewater monitoring system (SPARING) has become an innovation in the manufacturing industry. An analysis is needed on the level of acceptance of SPARING technology in the wastewater treatment plant division. The research aims to analyse the influencing factors of behavioral intention to use SPARING technology and to provide recommendations for addressing the most influential factors. The study employs a questionnaire method using research variables identified from a combination of the Technology Acceptance Model (TAM). The data collection process involved 36 respondents. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and SanitationSDG 9: Industry, Innovation, and InfrastructureSDG 12: Responsible Consumption and ProductionSDG 13: Climate Action
IDENTIFIKASI RISIKO DAN STRATEGI PENINGKATAN NILAI TAMBAH PADA RANTAI PASOK CPO DI KOTA DUMAI Arif, Muhammad; Hadiguna, Rika Ampuh; Patrisina, Reinny
PROFISIENSI : Jurnal Program Studi Teknik Industri Vol 13, No 2 (2025): PROFISIENSI DESEMBER 2025
Publisher : University of Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/profis.v13i2.8350

Abstract

Pelaku dalam industri rantai pasok minyak sawit meliputi petani, pedagang, pabrik minyak sawit mentah (CPO), pabrik minyak goreng, distributor, dan konsumen. Di Kota Dumai Pabrik Refinery mengubah CPO menjadi produk turunan baik minyak goreng maupun oleochemical yang dijual kepada konsumen akhir. Terdapat risiko terkait konsistensi kualitas produk, fluktuasi harga, dan kelangsungan rantai pasok. Studi ini memiliki dua tujuan yaitu mengembangkan model untuk mengidentifikasi, mengevaluasi, dan mengurutkan risiko, Serta mengembangkan model untuk mengidentifikasi dan mengurutkan strategi dalam meningkatkan nilai tambah. Data untuk studi ini diperoleh melalui wawancara langsung dan kuesioner. Responden dipilih dari para ahli dan pelaku industri. Data diproses menggunakan model Fuzzy Analytic Hierarchy Process (FAHP). Model FAHP pertama menunjukkan beberapa risiko terpenting adalah kelangsungan rantai pasok dan kualitas produk. Model FAHP kedua menunjukkan bahwa strategi yang direkomendasikan untuk meningkatkan nilai tambah para pelaku adalah peningkatan atau pengembangan kluster industri CPO di Kota Dumai.
Integrating Good Manufacturing Practices, Lean Manufacturing, and Information Technology for Operational Excellence in Indonesian Food SMEs Indrapriyatna, Ahmad Syafruddin; Patrisina, Reinny; Siva Dea, Asi; Sulasi, Nahda; Sherlyna, Yonithri
Jurnal Nasional Teknologi dan Sistem Informasi Vol 11 No 3 (2025): Desember 2025
Publisher : Departemen Sistem Informasi, Fakultas Teknologi Informasi, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/TEKNOSI.v11i3.2025.235-243

Abstract

Small and medium-scale food industries, despite their crucial role in regional economic development, face significant challenges related to hygiene, inefficiency, and process waste. This study, based on three case studies from IKM Kerupuk Janek Arsyila, IKM Kerupuk Buk Ita, and UMKM Kue Bawang Medan “Rizka” in West Sumatra, identifies key issues such as inefficient layouts, weather dependency, lack of standardized procedures, and low adherence to cleanliness standards. The study integrates Good Manufacturing Practices (GMP) for hygiene evaluation and Lean Manufacturing tools—such as Waste Assessment Model (WAM), Value Stream Mapping (VSM), VALSAT, and fishbone diagrams—to identify and reduce waste. Additionally, Information Technology (IT) is introduced as an enabler to strengthen monitoring, data collection, and documentation. Simple digital tools such as production dashboards, mobile-based hygiene checklists, and IoT-assisted sensors can facilitate real-time supervision and improve GMP compliance. Findings reveal that dominant wastes include transportation, motion, defects, and waiting, with initial Process Cycle Efficiency (PCE) ranging from 41% to 65%. After improvements involving layout redesign, drying machines, digital recordkeeping, and the 5S principles, PCE increased to 81%–95%. This study demonstrates that the integration of Lean–GMP and digital tools can significantly enhance production efficiency, hygiene standards, and sustainability in Indonesian food SMEs.
Co-Authors Alizar Hasan Amrina, Elita Armijal Armijal Handika, Rival Indrapriyatna, Ahmad Syafruddin M. Yasep Setiawan Marta, Ayu Milana Milana Muhammad Arif Muluk, Asmuliardi Nuzul Hidayat, Nuzul Putra, Havis Dwi Rika Ampuh Hadiguna Septian Sherlyna, Yonithri Siva Dea, Asi Sulasi, Nahda Taufik Taufik