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All Journal Jurnal Optimasi Sistem Industri Jurnal Sistem Teknik Industri AEEJ : Journal of Automotive Engineering and Vocational Education Journal of Civil Engineering and Vocational Education
Patrisina, Reinny
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical 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. 
Perancangan Tataletak Gudang dengan Metoda Dedicated Storage Location Policy (Studi Kasus : PT. X) Patrisina, Reinny; Indawati
Jurnal Optimasi Sistem Industri Vol. 9 No. 1 (2010): Published in April 2010
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v9.n1.p37-44.2010

Abstract

PT. X berencana akan melakukan relokasi gudang ke area yang lebih besar. Pengaturan tataletak produk saat ini menggunakan metoda randomized storage. Produk dengan jenis yang sama ditempatkan pada lebih dari satu lokasi dan tidak adanya lokasi penyimpanan produk yang tetap. Cara penyimpanan seperti ini tidak efisien karena operator pengambilan akan membutuhkan waktu untuk melakukan pencarian terutama jika operator yang bertugas mengambil dan menyimpan produk adalah orang yang berbeda. Disamping itu, cara ini juga dapat mengakibatkan jarak tempuh operator menjadi lebih panjang. Penelitian ini bertujuan merancang ulang tataletak gudang untuk lokasi baru dengan kriteria maksimasi utilisasi luas lantai, memperlancar proses penyimpanan dan pengambilan produk di gudang, dan minimasi total jarak tempuh operator. Perancangan tataletak gudang dilakukan dengan menggunakan metode dedicated storage location policy. Dari penelitian yang dilakukan diperoleh rancangan tataletak gudang usulan memiliki total luas lantai terpakai sebesar 343,80 m2 dengan Ekspektasi total jarak tempuh 4.137 m per hari.
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.
Co-Authors Alizar Hasan Amrina, Elita Armijal Armijal Handika, Rival Indawati M. Yasep Setiawan Marta, Ayu Milana Milana Muluk, Asmuliardi Nuzul Hidayat, Nuzul Putra, Havis Dwi Rika Ampuh Hadiguna Taufik Taufik