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All Journal Jurnal Teknik Industri TEKMAPRO Journal of Industrial Engineering and Management JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) JPM17: Jurnal Pengabdian Masyarakat Heuristic JHP17 (Jurnal Hasil Penelitian) Jurnal DISPROTEK JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Jurnal InTent: Jurnal Industri dan Teknologi Terpadu Jurnal Leverage, Engagement, Empowerment of Community (LeECOM) Jurnal Teknik Industri Terintegrasi (JUTIN) Indonesian Journal of Engineering and Technology (INAJET) Jurnal Surya Teknika Jurnal Senopati : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Industrika : Jurnal Ilmiah Teknik Industri Jurnal Media Informatika JURNAL TEKNIK INDUSTRI Acitya Wisesa: Journal of Multidisciplinary Research Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Journal Industrial Engineering and Management (JUST-ME) Journal of Artificial Intelligence and Digital Business Widya Teknik
Hery Murnawan, Hery
Fakultas Teknik, Universitas 17 Agustus 1945 Surabaya
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering 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 Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Nursing Physics Public Health Social Sciences Other

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Perancangan Mesin Pencuci Telur guna Meminimalisir Tingkat Kerusakan pada UMKM Telur Asin Abhi Atviono, Nafian Ramadhika; Murnawan, Hery
Industrika : Jurnal Ilmiah Teknik Industri Vol. 9 No. 2 (2025): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v9i2.2016

Abstract

Abhi Salted Eggs UMKM, located in Jombang Regency, produces salted eggs with a daily capacity of 850–1000 eggs from 1200 ducks. The production process, especially egg washing, faces significant challenges because it is still done manually. Problems that arise include long washing times, worker complaints due to exposure to soapy water, and egg damage rates reaching 7.14%–9.54%, causing losses of up to IDR 5,487,000 per month. To overcome these problems, an automatic egg washing tool was designed that can wash up to 20 eggs per cycle. Test results show that this tool is able to reduce the level of egg damage to 1% from 600 eggs tested, while increasing production capacity in the washing process. This innovation contributes to efficiency, reduced losses, and increased product hygiene, supporting the sustainability of Abhi Salted Eggs UMKM. Keywords: Egg Washer, QFD, Salted Eggs
Model Simulasi Sistem Antrian dalam Rantai Pasok Industri Batu Bara untuk Optimalisasi Jaringan Logistik Abdullah, Yoga Rahmad; Nuha, Hilyatun; Murnawan, Hery
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.45696

Abstract

The increasing domestic demand for coal necessitates greater efficiency in logistics systems and supply chains, particularly for mining companies such as PT. Mahakam. This study aims to design a queue system simulation model to optimize the company’s logistics performance by applying queueing theory and utilizing the ARENA simulation software. The research evaluates key variables such as waiting time, queue length, and the utilization rate of unloading facilities, in an effort to address demurrage issues arising from logistical inefficiencies. A mixed-method approach combining quantitative and qualitative data analysis was employed, using both primary and secondary data collected from PT. Mahakam’s logistics operations between January and June 2024. Simulation results indicate that logistics effectiveness can be improved through adjustments in the number of operators, enhancement of unloading equipment, and more structured management of the distribution flow. This research is expected to serve as a foundation for developing simulation-based logistics models in the coal industry and to contribute to the practical application of queueing theory in industrial settings.
Redesain Mesin Pengiris Singkong dengan Mekanisme Counterweight Gravity Feeder untuk Meningkatkan Produktivitas Kusuma Dewi, Wiranti; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9412

Abstract

This study aims to design an ergonomic and efficient cassava slicing machine for workers at Pak Ipul's MSME. The research process began with the collection of anthropometric data from four workers involved in cassava cutting. Measurements were taken directly to obtain body dimension data that would be used in designing a cassava slicing machine that better suits human needs. Additionally, the collected data was analyzed to determine percentiles and data consistency, which served as the foundation for designing an innovative machine. The research findings indicate that a cassava slicing machine designed based on anthropometric data can enhance comfort and work efficiency while reducing the risk of injury. This study also emphasizes the importance of using anthropometric data in the design of production tools to create a safer and more productive work environment, particularly in the SME sector.
Perancangan Ulang Tata Letak Area Produksi untuk Mengurangi Biaya Material Handling di PT.XYZ Santoso, Angelina Jeni; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9413

Abstract

PT. XYZ is a company engaged in the printing and packaging industry, located in East Java. PT. XYZ implements a Make to Order (MTO) production system, where the production process is carried out based on customer orders. The products produced in this study include Product A, B, C up to Product I, with various sizes and types of paper according to customer requirements. This research was conducted to address the problem of high material handling costs caused by inefficient material movement distances in the production area. Therefore, a facility layout redesign (relayout) was carried out to minimize material movement distances and reduce material handling costs. The research methods involved collecting primary and secondary data, analyzing the initial layout, designing two alternative layout proposals, and conducting simulations using FlexSim software. The results showed that Layout Proposal 2 provided the best efficiency, with a reduction in total material handling costs from Rp114,491,573 to Rp84,473,414 and a decrease in total material movement distance from 2,142 meters to 1,657 meters. This relayout proved that proper facility arrangement can improve production efficiency and reduce operational costs.
Perancangan Perbaikan Tata Letak Produksi untuk Meningkatkan Efisiensi Proses Produksi Decking & Pintu: Studi Kasus: CV. Cipta Karya Mayddy Amanda, Jessica; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9419

Abstract

CV. Cipta Karya is a company engaged in the manufacturing industry sector of woodworking, furniture, sawmil, kilndry, warehouse rental, wood storage and log yard. CV. Cipta Karya implements the Make to Order system. One of the crucial challenges that arise in the production process of solid wood decking and doors is inefficiency in the arrangement of production facilities, high material handling costs, and material accumulation in the production area. This research aims to redesign the layout of production facilities by prioritizing improving the efficiency of the manufacturing process. The design is carried out through an approach of optimizing the distance between workstations and analyzing the material handling system, in order to smooth the production flow, reduce moving time, and minimize resource wastage.The research approach used includes evaluating the current layout of production facilities through the use of From-To Chart (FTC) to study and map the intensity and direction of material movement between workstations, so that inefficient flow patterns that have the potential to hinder the smooth production process can be identified, then the calculation of material handling costs (OMH), as well as analysis of the activity relationship between production facilities. Furthermore, a more optimal proposed layout was designed, which was then tested using the flexim 2025 simulation to evaluate the impact of production system efficiency.The findings of this study indicate that the proposed new layout design is able to significantly reduce the total distance of material transfer between workstations. These changes also have an impact on reducing material handling costs and increasing efficiency in the overall production process. In addition, the implementation of a more organized layout also makes a real contribution to cutting production cycle time and has positive implications for improving the overall productivity of the company.
Perancangan Relayout Warehouse Finish Goods dengan Metode Class Based Storage (CBS) di PT.XYZ Gresik Habibillah, Muchammad Syauqi; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9421

Abstract

PT. XYZ is a ceramic tile manufacturing company that is facing warehouse challenges due to increased production, such as disorganized storage and high material handling costs. A warehouse layout redesign is required to improve operational cost efficiency. This study aims to propose a more effective warehouse layout using the Class-Based Storage (CBS) method, which classifies products into specific groups. The research was conducted over a period of three months, from December 2024 to February 2025. The results showed that the initial inbound travel distance was 17,877,537.04 meters, while the proposed inbound distance was 17,810,612.67 meters, resulting in a reduction of 66,924.37 meters. For outbound movements, the initial distance was 66,031,993.2 meters, and the proposed distance was 66,015,291.9 meters, achieving a reduction of 1,670.13 meters. The material handling cost per meter was obtained using the formula:(maintenance costs + operator costs) / (inbound material handling moments + outbound material handling moments),which resulted in an initial cost of Rp. 43 per meter, and a proposed cost of Rp. 40 per meter. The initial inbound material handling cost was Rp. 768,734,093, which decreased to Rp. 712,424,507, indicating a cost reduction of Rp. 56,309,586 over three months. For outbound goods, the cost dropped from Rp. 283,937,571 to Rp. 264,061,168, with a total savings of Rp. 19,876,403. The reduction in both distance and material handling costs reflects a significant efficiency improvement, contributing to substantial savings in warehouse operational expenses.
Studi Kelayakan Investasi Mesin Stamping dan Usulan Tata Letak Fasilitas Mesin Produksi Spring Seat B: Studi Kasus : PT XYZ Indra Permana, Davit; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9423

Abstract

This study evaluates the feasibility of investing in a 63-ton stamping machine to boost Spring Seat B production at PT XYZ, Kampung Logam, Ngingas, Waru. The old machine produced 4,000 units/day, making it difficult to meet targets and requiring overtime. The new machine, costing Rp65,257,000, doubles the capacity to 8,000 units/day. Investment analysis using Payback Period and Break Even Point (BEP) shows a payback in 68 days, with a BEP of 539,916 units. In 2025, total production costs reached Rp1,662,308,586 and revenue was Rp1,867,296,000, resulting in a net profit of Rp204,987,414.08. Layout improvements were also made by relocating the rotary machine closer to the repair tool room to reduce the process distance and improve efficiency.
Analisis Manajemen Rantai Pasok pada Peternakan Ayam Petelur Ras Wotavia, Celinda Yunilatul; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9428

Abstract

Blitar Regency is a major center for layer egg production in Indonesia, with one of its key producers being Artomoro Farm, located in Ngaringan Village, Gandusari District. This study analyzes the supply chain management and financial performance of Artomoro Farm over a 25-month production cycle. The upstream subsystem includes the supply of DOCs, feed, vitamins, vaccines, and medicines from various national suppliers. The farm houses 80,000 laying hens in a combination of close house and open house systems, achieving over 95% egg productivity and a monthly mortality rate of 0.5%. The feed warehouse has a capacity of 2,000 sacks (50 kg each). The downstream subsystem involves egg distribution to Jakarta, Surabaya, and Blitar, along with the sale of spent hens and chicken manure. With an initial investment of IDR 6.2 billion, the farm reached its break-even point in the 14th month and generated a final profit of IDR 13.4 billion. Results indicate an efficient, integrated, and sustainable supply chain.
Analisis Kebutuhan Bahan Baku pada Proses Pengolahan Air Bersih di PDAM IPAM Ngagel Surabaya Fadhil, Laksana; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9429

Abstract

The IPAM Ngagel in Surabaya treats water from the Surabaya River using Poly Aluminium Chloride (PAC) for coagulation and chlorine for disinfection. This study identifies the raw material needs for each treatment stage using daily production, chemical usage, and waste data to estimate requirements by the end of 2025. Average production is 4,480.03 L/second. PAC dosage ranges from 25.28–114.55 mg/L, chlorine from 0.96–5.72 mg/L. Estimated PAC needs range from 11,709.02–53,861.47 kg, and chlorine from 468.36–2,810.16 kg. Safety stocks and reorder points vary per unit: Ngagel I (PAC 18,480 kg; chlorine 686 kg), Ngagel II PAC 7,840 kg; chlorine 288 kg, Ngagel III PAC 19,012.5 kg; chlorine 840 kg. For 3-day PAC and 7-day chlorine reserves, Ngagel I needs 47,000–60,000 kg PAC and 3,000–3,750 kg chlorine, Ngagel II 21,500–25,500 kg PAC and 1,400–1,600 kg chlorine, Ngagel III 40,000–60,000 kg PAC and 3,900–5,400 kg chlorine.
Pemanfaatan Bibit Unggul dan Pupuk Semi Organik untuk Ketahanan Pangan Berbasis Sistem Dinamis Sugianto, Arla Meica Regita; Murnawan, Hery
JURNAL SURYA TEKNIKA Vol. 12 No. 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9438

Abstract

Sumber kepuh Village in Tanjunganom Sub-district, Nganjuk District, covers 763 hectares with 78% of it being paddy fields, making it the largest rice producer in the sub-district. However, farmers are still struggling to increase harvest profits. Analysis using SmartPLS showed that the dominance of elderly farmers as well as environmental factors such as fertilizer type, soil pH, and seed quality had a significant effect on yield. A dynamic systems approach through STELLA resulted in three profit improvement scenarios. The first scenario uses superior seeds and a young planting system, increasing profits from IDR 27,487,047,641 to IDR 31,983,065,202 (up 16%). The second scenario, using semi-organic fertilizers, increased profits to IDR 39,072,970,965 (up 42%). The third scenario, a combination of both, yielded IDR 40,568,583,572 (a 48% increase). The third scenario is considered the most optimal in improving farmers' welfare and encouraging the regeneration of young farmers to maintain long-term food security in Sumberkepuh Village.
Co-Authors Abdullah, Yoga Rahmad Aji Pratama, Muhamad Akrom, Akrom ALGHIFARI, MUHAMMAD ROMADHON Alqorni, Wais Amanda Dian Rahmawati Amanda Putri, Elsa Amaria, Aurella Nur Amimah, Faizatul Anggraeni, Oktavia Atviono, Nafian Ramadhika Aulia, Olif Aurella Nur Amaria Awang, Taufiq Labdo Ganiyu Bufon, Yuan Lucky Devi Rahmawati Putri, Devi Rahmawati Putri Elisabeth Lidya Yulianti Erlin Kurnia Sari Fadhil, Laksana Faizatul Amimah Felda Andriani Cahyadewi Fifa Marisa Irwayu Firmansyah, Fajar Muchti Firnanda, Rizky Andrian H, Setijanen Djoko Habibillah, Muchammad Syauqi Hakim, Muhammad Azizul Handayani, Santi Amalia Hanrizaldi Bagus Satrio Langgeng Hartanti, Lusia Permata Sari Hartatik, Nurani Hidayah, Manarul Indra Permana, Davit Irwayu, Fifa Marisa Isa Melandari, Nabila Dwi Istantyo - Yuwono Istiono . Jamaluddin Jamaluddin Julyandini, Yvonne Christy Kusuma Dewi, Wiranti Maldini, Irma Silvania Tanti Maya Rachmawati Mayddy Amanda, Jessica Miraningsih, Yessi Maretha Narendradhipa Dhama Nismara Nuha, Hilyatun Permana, Vito Aditya Prima, Sabrian Puspitasari, Diana Dwi Putri, Vinka Aurelia Putu Eka Dewi Karunia Wati Rachmawati, Maya Rahayu, Dian Novita Razana, Sharfina Reznandya Putri Septyawati Rony Prabowo Santosa, Praditya Dimas Santoso, Angelina Jeni Sari, Erlin Kurnia Saroja Putra, Rizky Oktaviano Satya, Rafi Arya Lingga Saves, Faradillah Sugianto, Arla Meica Regita Syafri, Maulana Husein Syah, Muhammad Althof Charies Rahman Tasya, Putri Febrinda Ardika Tedjo Sukmono Titiek Rachmawati Vinka Aurelia Putri Vinka Aurelia Putri Wiwin Widiasih Wotavia, Celinda Yunilatul Yessi Maretha Miraningsih Yulia Rahmawati, Yulia Yulianti, Elisabeth Lidya Yulinda Yuwono, Istantyo - Yvonne Christy Julyandini