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All Journal Jurnal Pertambangan Jurnal Rekayasa Sistem Industri SITEKIN: Jurnal Sains, Teknologi dan Industri JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Jurnal Dampak Jurnal Optimasi Sistem Industri Journal Industrial Servicess Jurnal Pamator : Jurnal Ilmiah Universitas Trunojoyo Madura Jurnal AGROSAINS dan TEKNOLOGI FROPIL (Forum Profesional Teknik Sipil) Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri JURNAL PENDIDIKAN TAMBUSAI Jurnal Hilirisasi IPTEKS (JHI) Buletin Ilmiah Nagari Membangun Jurnal Sistem Teknik Industri Jurnal Civronlit Unbari SIGMA TEKNIKA MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Journal of Energy and Electrical Engineering (JEEE) Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Teknologi dan Manajemen Journal of Integrated and Advanced Engineering (JIAE) INTERNATIONAL JOURNAL OF EDUCATION, INFORMATION TECHNOLOGY, AND OTHERS Jurnal Talenta Sipil Profisiensi : Jurnal Program Studi Teknik Industri Jurnal Teknik Sipil Institut Teknologi Padang Jurnal Bangunan: Konstruksi & Desain Jurnal Keilmuan dan Aplikasi Teknologi Industri

Amrina, Elita

Andalas University

Author-ID : 2854367

Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences Transportation Veterinary Other

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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

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.

Lean ergonomics: A three-dimensional analysis of progress, practical challenges, and prospective research Nofirza, Nofirza; Hadiguna, Rika Ampuh; Amrina, Elita
Journal Industrial Servicess Vol 10, No 2 (2024): October 2024
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jiss.v10i2.28793

Lean systems and ergonomics are two organizational approaches that were initially practiced independently. Over time, however, it has become evident that while lean methodology emphasizes efficiency and waste reduction, it often overlooks the human factor, which can compromise worker health and safety. On the other hand, applying ergonomics without incorporating lean principles may lead to inefficiencies and increased costs. This trade-off has sparked growing interest in integrating ergonomic considerations into lean practices within manufacturing. Despite this interest, comprehensive studies on lean ergonomics remain scarce. This research aims to explore the development of lean ergonomics implementation over the past five years. Using a Systematic Literature Review (SLR) methodology, the study analyzed articles from two Scopus-indexed databases, identifying 196 articles containing the keywords Lean, Ergonomics, and Manufacturing Industries. Following the PRISMA framework and applying inclusion criteria, only 18 papers were found to thoroughly address the integrated implementation of lean ergonomics in manufacturing industries. The majority of these studies originated from Portugal (33.33%) and India (16.67%). Case studies emerged as the dominant research methodology (55.56%), leading to the development of lean ergonomic tools such as Ergo-VSM, ErgoSMED, and WIDEA. Other methodologies included literature reviews (22.22%), qualitative research (16.67%), and grounded theory (5.56%). The findings suggest that implementing lean ergonomics has positive impacts, including reduced setup times, decreased ergonomic risks, and improved workplace conditions. While ergonomic interventions may involve additional costs, these are viewed as long-term investments. In conclusion, the existing literature indicates that the implementation of lean ergonomics is still limited and lacks comprehensiveness. Future research could focus on practical applications in industry and evaluate their effectiveness to strike a balance between operational efficiency and worker well-being.

SOSIALISASI PENGUATAN KELOMPOK TERNAK VILLA SAIYO TIMBALUN DI KECAMATAN BUNGUS TELUK KABUNG KOTA PADANG James Hellyward; Tevina Edwin; Riza Andesca Putra; Elita Amrina
BULETIN ILMIAH NAGARI MEMBANGUN Vol. 5 No. 2 (2022)
Publisher : LPPM (Institute for Research and Community Services) Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/bina.v5i2.412

A farmer group is a social forum, as a place for a group of people to work together to achieve a common goal. Farmer groups cannot be separated from social dynamics issues because every member of the farmer group has different characteristics. However, members of groups do not understand the dynamic group, so the farmer groups that have been formed are very vulnerable to disbanding or being inactive. The purpose of this socialization activity is to provide knowledge to the farmers of the Villa Saiyo Timbalun Livestock Group about group dynamics as an effort to help create an active, solid, and sustainable group and be able to develop a business so that it can increase group income for the welfare of the group. The implementation of the activity is carried out by the extension method, namely providing socialization of strengthening livestock groups about group dynamics to the target audience. The target of the implementation of the socialization of livestock groups strengthening to the community is a group of farmers in the city of Padang, namely the Villa Saiyo Timbalun livestock group in Bungus Teluk Kabung District. The Andalas University degree carried out on the livestock group of Villa Saiyo Timbalun, Bungus Timur Village, Bungus Teluk Kabung District was carried out well and smoothly. Farmers are enthusiastic about the implementation of this socialization of livestock group strengthening, which can be seen from the presence of both group members and breeders who are around the location of the livestock group strengthening socialization. the results of the socialization activity for strengthening livestock groups through counseling on the topic of group dynamics created an agreement between group members to return to active group business together. In addition, this activity provides additional knowledge for members to maintain the sustainability of the group, and make the group active again, and it is hoped that the group can run and develop group business so that group welfare can be achieved. The discussions also provided solutions that made the group return to running a business together. It can be concluded that the socialization activity for strengthening the livestock group was carried out well so that the objectives of the activity were achieved.

Analisis Potensi Likuifaksi Pada Beberapa Lokasi di Kota Padang Menggunakan Kurva Tsuchida dan Chinese Criteria Haryati, Novy; Amrina, Elita; Ramadona, Dimas Ilham; Safitry, Greschea Jheskhilka Ananda
Jurnal Teknik Sipil Institut Teknologi Padang Vol 12 No 2 (2025): Jurnal Teknik Sipil institut Teknologi Padang
Publisher : ITP Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jts.2025.V1202.0228-234

Likuifaksi merupakan salah satu fenomena geoteknik yang dapat menyebabkan kerusakan struktural serius, khususnya pada wilayah dengan kondisi tanah jenuh dan aktivitas seismik tinggi seperti Kota Padang. Penelitian ini bertujuan untuk mengevaluasi potensi likuifaksi di lima lokasi berbeda melalui pengujian laboratorium dan pendekatan empiris menggunakan kurva Tsuchida serta Chinese Criteria. Pengambilan sampel dilakukan di GOR H. Agus Salim, Kampus 1 dan 2 Institut Teknologi Padang, Lubuk Lintah, dan Parak Karakah. Pengujian meliputi analisis saringan, kadar air, batas Atterberg, berat jenis dan berat isi kering. Hasil klasifikasi menunjukkan bahwa seluruh sampel tergolong pasir seragam (SP) dengan kadar butiran halus <5%. Analisis Tsuchida mengindikasikan dua lokasi memiliki potensi likuifaksi tinggi, sedangkan tiga lokasi lainnya berada dalam zona transisi hingga tidak likuifaksi. Evaluasi Chinese Criteria menunjukkan bahwa tiga lokasi memenuhi kriteria potensi likuifaksi tinggi berdasarkan nilai LL < 35%, PI < 10, dan rasio wc/LL > 0,8. Hasil evaluasi ini divisualisasikan dalam bentuk peta lokasi berdasarkan koordinat geografis. Penelitian ini memberikan kontribusi terhadap pemetaan awal zona rawan likuifaksi dan dapat dijadikan referensi mitigasi risiko geoteknik di kawasan perkotaan.

RISK MITIGATION IN PLANNING AND WAREHOUSING ACTIVITIES OF FERTILIZER FACTORY SPARE PARTS (Case Study: PT Pupuk Iskandar Muda) Anugrah, Ibnu; Hadiguna, Rika Ampuh; Amrina, Elita
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 21, No 2 (2024): June 2024
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v21i2.29523

In meeting the needs of spare parts in a supply chain, the warehouse is one of the most important parts. Warehouses have three main processes, namely receiving, storing, and distributing so, warehouse needs are certainly very important to help companies achieve their goals. This research uses an integrated Fuzzy Logic, House of Risk (HOR), and Supply Chain Operation Reference (SCOR) approach. Interviews, focus discussion groups, and questionnaires are the data collection methods used. From the results of data processing, 19 risk events and 27 risk agents were obtained. From the results of the pareto diagram, 14 risk agents were selected to focus on risk mitigation and have the ability to direct the reduction of risk. Furthermore, 14 risk agents were developed into 28 mitigation strategies and there were 10 prioritized risk mitigation strategies. Keywords: Risk Mitigation, Warehousing, SCOR, HOR, Fuzzy Logic, Pareto Diagram.

MODEL SPASIAL POTENSI KERENTANAN TANAH KAWASAN PESISIR KOTA BENGKULU TERHADAP BAHAYA LIKUIFAKSI Misliniyati, Rena; Amrina, Elita
FROPIL (Forum Profesional Teknik Sipil) Vol 11 No 1 (2023): FROPIL (Forum Profesional Teknik Sipil)
Publisher : Jurusan Teknik Sipil Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/fropil.v11i1.3837

This study evaluates the susceptibility of soil liquefaction in the coastal area of Bengkulu City. The evaluation was carried out using a probability approach that includes the contribution of all seismic hazard levels that potentially trigger liquefaction, interpreted by the magnitude and maximum acceleration parameters. The soil strength parameters were collected from 26 CPT points spread along the coastal area of Bengkulu City. This evaluation implements the results of the Probabilistic Seismic Hazard Analysis (PSHA) for Bengkulu City, whereas the dominant earthquake source comes from the subduction zone of Sumatra Island. The factor of safety and the probability for each return period of liquefaction. The results of the evaluation in the form of a safety factor and probability in each return period of liquefaction are presented by a spatial model. The results show that in the return period of 475 years, the soil layer to a depth of 1 m is unsafe against liquefaction (the safety factor is less than 1) with a probability value of almost 100%. This indicates that the soil condition of the coastal area of Bengkulu City is very vulnerable to liquefaction during an earthquake. Therefore, planning the structure of houses and roads with a foundation depth of more than 1 m should be recommended to reduce potential damage due to liquefaction.

Evaluasi Proses Pelayanan Administrasi Kependudukan dengan Metode Lean Office Sukma, Henra Nanang; Amrina, Elita; Hasan, Alizar
Jurnal Optimasi Sistem Industri Vol. 17 No. 2 (2018): Published in October 2018
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

The problems occurred at the Pelalawan Population and Civil Registration Service are wasteful in the time of service for population administration. Therefore, this study aims to make improvements in reducing waste of service time and provide recommendations for managing the administrative service process, thus, it can be used as a reference in the process of improving government service organizations. The method used is the Define, Measure, Analyze, Improve, and Control (DMAIC) method, by removing unproductive process steps, which focus on measurements, and applying technology to improve the quality of the target towards Six-Sigma. The results obtained by following the DMAIC process are the smallest timeliness in providing services with a gap value=(-1,196), σ=1,62; the ease of the service procedure with the gap value=(-0,917), σ=1,76; the competence of the officers in the service with the gap value=(-0,897), σ=1,76; and written and electronic information resources that are needed by the gap value=(-0,876), σ=1,78. The study proposes improvements by creating digital document archive settings, conducting the performance measurements using VSM map, building the queue system, creating a flow of services, designing a one door services, and improving the quality of resources by training the officers.

Inventory Control Model of Beef for Rendang Products Dendra, Feby Gusti; Amrina, Elita; Indrapriyatna, Ahmad Syafruddin
Jurnal Optimasi Sistem Industri Vol. 22 No. 1 (2023): Published in May 2023
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

The definition and function of inventory management reveal the importance of modern industry in formulating policies that regulate the supply of raw materials, semi-finished products, and finished products. Unfortunately, most companies fail to consider the characteristics of their raw materials when determining inventory strategies. Raw materials that are perishable are those that consider their service life and storage time. Inventory management plays a crucial role in supply chain management, especially for perishable raw materials, such as food products. PT X, a food business in Padang, experienced difficulty in meeting the demand for rendang products due to a lack of raw materials. Therefore, this study aims to develop an inventory management model that takes into account the perishable raw materials' expiration time. The model development consists of three stages: model development design, inventory model formulation, and model testing. The proposed model resulted in a storage time interval of five days and an optimal order quantity of 34 kg of meat with a safety stock of 14 kg. Implementing this model led to lower total inventory costs for PT X than the actual conditions of the company. The total inventory cost obtained using this model is Rp279,797,822. This study emphasizes the importance of considering the characteristics of raw materials in determining inventory strategies to optimize inventory management effectively and efficiently. The study's findings can serve as a reference for other food businesses encountering similar inventory management challenges in the perishable food industry.

Ergonomic Evaluation on Chicken Feeder Tool at Egg-Laying Chicken Farm SME Putri, Nilda Tri; Amrina, Elita; Fatrias, Dicky; Kamil, Insannul; Humaida, Nabila
Jurnal Optimasi Sistem Industri Vol. 20 No. 1 (2021): Published in April 2021
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.v20.n1.p52-60.2021

This research aims to evaluate the egg-laying chicken feeder that was designed at egg-laying chicken farm small and medium enterprise (SME). The main reason of this tool design was due to the worker’s complain of feeling pain during the feeding process. Evaluation was performed based on Nordic Body Map questionnaire result, physiological workload, and NIOSH lifting equation calculation. The observed work ranged from the feed filling in the basket until all feeds were distributed. The results showed that the %CVL was in the range of 18%-30% and the energy consumption of workers was in the range of 1.24-3.00 Kcal/minute. Thus, physiologically, the work activities carried out by the feed workers were categorized as very light workload. Meanwhile, evaluation using Lifting Index (LI) methods in the process of feeding showed the LI value ranged from 0.9-1, therefore this activity is safe to perform manually. Based on the prototype evaluation on the feeding aid, the process of feeding activities was more effective 1.5 times faster than the old tools. In addition, with the use of this new tool, the feeding process was easier to adjust the dose each time.

Sistem Informasi Pemasaran Biduk Wisata Pulau Berbasis Web Mobile (Studi Kasus di Sungai Pisang, Padang, Sumatera Barat) Amrina, Elita; Kamil, Insannul; Triha, Hadigufri; Yulianto, Ardhian Agung
Jurnal Optimasi Sistem Industri Vol. 18 No. 2 (2019): Published October 2019
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.v18.n2.p142-152.2019

The geographical condition of Sungai Pisang Village located on the coastal fringe and not too far from the famous island tourism which potential in West Sumatera becomes an opportunity for the people of Sungai Pisang, especially the fishermen to increase their standard of living. But in reality, the outsiders in the Bungus area are more likely to take advantage of the opportunity because of their location close to the city center. The tourists can only be seen from afar by biduk fishermen of Sungai Pisang. Most tourists prefer to use Tour and Travel services from Bungus area. Biduk fishermen are only bringing few tourists to the island tour even though the price offered is much cheaper. Based on preliminary study, there are problems such as the lack of knowledge of the fisherman on the effective product marketing strategy. So far, there are no marketing tools to promote the transportation services of biduk fisherman to the island tourism in the Sungai Pisang broadly. Therefore, it is necessary to design a marketing information system for island tourism biduk. The marketing information system is a mobile web-based designed using PHP programming language and supported by the MySQL database. The information marketing system is expected to increase the number of tourists who use the island tourism biduk as an effort to increase the sustainable fishermen's economy.The geographical condition of Sungai Pisang Village located on the coastal fringe and not too far from the famous island tourism which potential in West Sumatera becomes an opportunity for the people of Sungai Pisang, especially the fishermen to increase their standard of living. But in reality, the outsiders in the Bungus area are more likely to take advantage of the opportunity because of their location close to the city center. The tourists can only be seen from afar by biduk fishermen of Sungai Pisang. Most tourists prefer to use Tour and Travel services from Bungus area. Biduk fishermen are only bringing few tourists to the island tour even though the price offered is much cheaper. Based on preliminary study, there are problems such as the lack of knowledge of the fisherman on the effective product marketing strategy. So far, there are no marketing tools to promote the transportation services of biduk fisherman to the island tourism in the Sungai Pisang broadly. Therefore, it is necessary to design a marketing information system for island tourism biduk. The marketing information system is a mobile web-based designed using PHP programming language and supported by the MySQL database. The information marketing system is expected to increase the number of tourists who use the island tourism biduk as an effort to increase the sustainable fishermen's economy.

Co-Authors - Evitayani AA Sudharmawan, AA Alfadhlani Alizar Hasan Anugrah, Ibnu Armijal Armijal Azizah, Hanifa Roja Basyirun, Fajri Brama Nalendra Budi Satria Demi Ramadian Demi Ramadian, Demi Dicky Fatrias Fadhilah Fadhilah Fahlevi, Fidruzal Feby Gusti Dendra Fendi Fendi Fernanda, Yoki Fitrah, Ridho Aidil Fitri Suryani Foci, Nia Arfina Fuji Astuti Febria H. Prabowo Hadigufri Triha Hadigufri Triha, Hadigufri Hadiguna, Henmaidi Hary Fandeli Haryati, Novy Hasibuan, Sri Fatimah Heri Prabowo Herman Herman Herman Herman, Welly Heru Premana Hilma Raimona Zadry Humaida, Nabila Ibramgara, Bratama Imansuri, Febriza Indrapriyatna, Ahmad Syafruddin Insannul Kamil, Insannul iswahyuningsih iswahyuningsih Jabang Nurdin James Hellyward Jati Sunaryati Kaisar Karnain, Hiddali Kamil, Insannul M. Ansyar Bora M. Rifaldi Mahdi Mahdi, Mahdi Marta, Ayu Masrilayanti, Masrilayanti Maula Audiana Mego Plamonia, Mego Misliniyati, Rena Muhammad Nizar Nabila Humaida Nilda Tri Putri Nofirza, Nofirza Nofriani Fajrah, Nofriani Nur Wahyuni Nurhadi, Hikari Qurrata’ain Patrisina, Reinny Pri Gustari Akbar, Pri Gustari Purnawan Purnawan Putra, Riza Andesca Qomarotun Nurlaila, Qomarotun Ramadona, Dimas Ilham Reza Nandika Rika Ampuh Hadiguna Rika Hariance Riska Yolanda Risma Erwi Gusvita Rizaldi, Phandu Rossanika, Liza Ruddy Kurniawan Rudi Febriamansyah Safitry, Greschea Jheskhilka Ananda Santoro, Santoro Saptomo, Deddy Savitri, Yosiana Sri Setiawati, Sri Sukma, Henra Nanang Syahro A. Akbar TEVINA EDWIN Tri Astuti Yeggi Darnas Yetty Marlida Yonariza Yonariza, Yonariza Yudo Purnomo Yudo Purnomo, Yudo Yuerlita Yulhan Yulhan Yulianto, Ardhian Agung Yulistriani, Yulistriani Zis, Sirajul Fuad

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