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Muhammad Nizar
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Journal Serambi Engineering (JSE)
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : -
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering
Jurnal ini bertujuan untuk merancang dan mengembangkan sistem turbin angin sebagai alat pengusir hama burung sekaligus sebagai pembangkit listrik alternatif di area persawahan. Penelitian difokuskan pada pemanfaatan energi angin untuk menggerakkan perangkat mekanik penghasil suara (sebagai pengusir burung pipit) serta menghasilkan energi listrik menggunakan generator Nema17 untuk pengisian baterai. Selain itu, penelitian ini bertujuan menganalisis hubungan antara kecepatan angin, desain blade (panjang dan karakteristiknya), putaran turbin, serta tegangan dan daya listrik yang dihasilkan, guna memperoleh performa optimal dalam kondisi lapangan
Arjuna Subject : -
Articles 972 Documents
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Simulasi Antrian Shipping Out pada Gudang Multiguna PT XYZ Untuk Optimalisasi Waktu Tunggu dan Peningkatan Distribusi Menggunakan Software ARENA Qolbi Rohim, Ahmed; Mega Cattleya PA Islami
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In the shipping out or delivery service to customers, the loading-unloading process in the warehouse is inevitably linked to queuing. This study discusses how to overcome bottleneck issues during the shipping out process in the warehouse. The research was conducted using a simulation method with ARENA software and queuing theory. The validity test using the Welch Confidence Interval method yielded the result [-26.5714 ≤ μ1 – μ2 ≤ 0.6500], which indicates the data is valid because the value 0 lies within the μ1 – μ2 range. Based on the ARENA output, the Process station to TKBM shows a significantly different utilization rate compared to other workstations, at 0.519160466 or 51.91%. Given this significant difference in availability and performance, an improvement was proposed by adding one more worker for loading-unloading activities. This resulted in a new utilization rate of 0.319951 or 31.99%. This improvement proposal can therefore be considered to reduce queue time.
Analisis Dampak Lingkungan dengan Pendekatan DPSIR Akibat Pola Penggunaan Lahan (Studi Kasus: Kabupaten Bantaeng Sulawesi Selatan) Maula, Rahmatun; Dewi Fitria Marlisa; Iqbal Kamaruddin; Qanitatul Isra Qamal
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Bantaeng Regency is experiencing increasing environmental pressure driven by population growth and land-use changes that reduce natural infiltration capacity. These conditions heighten flood potential and increase infrastructure vulnerability, particularly in urban and lowland areas. This study aims to analyze the environmental conditions of Bantaeng Regency using the DPSIR (Driving Force–Pressure–State–Impact–Response) framework. The DPSIR method was applied through the analysis of population growth, land-use patterns, rainfall intensity, infiltration areas, and spatial flood vulnerability. The results show that population continues to increase, infiltration areas cover approximately 15,421.96 hectares, and rainfall peaks in February and reaches its lowest level in October at (1,094.70 and 2.5) mm, respectively. Areas categorized as having low, medium, and high flood vulnerability cover (1,6425; 5,564; and 17,108) hectares, particularly in regions experiencing intensive and urban land conversion. In addition, road infrastructure is exposed to low, medium, and high flood vulnerability along (4.97; 9.35; and 52.31) km, while residential areas and public facilities also show increasing risks of inundation-related damage. These findings highlight the need for adaptive and sustainable environmental management strategies, including improved drainage capacity, construction of retention ponds, expansion of infiltration zones, and strengthening of Green Open Space.
Analisis Kecacatan pada Produksi Syringe Barrel Menggunakan Basic Quality Tools Renggananta, Adhista Triasa; Fazrin, Reza Aulia; Maula, Putri Amanatul; Safira, Raudita Nadya; Wiguna, I Gusti Gede Arya; , Adithia Pamungkas; Ferdiyansyah
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Enhancing the quality of medical products such as syringe barrels requires a systematic quality control approach to ensure safety and process consistency. This study aims to analyze defects occurring in the syringe barrel manufacturing process using basic quality tools. Defect data were collected and examined using check sheets, histograms, Pareto charts, and control charts. The results of the Pareto analysis indicate that four types of defects: contamination, partial printing loss, bruising, and scratches, account for the majority of total defects and therefore require further investigation. These four defect categories were subsequently analyzed using a p-control chart to evaluate process stability. The control chart results show that all data points fall within the control limits (UCL and LCL), indicating that the process remains statistically stable and under control. These findings suggest that although defects are present, the production process can still be considered controlled, and improvement efforts should therefore focus on reducing variation arising from common causes.
Evaluasi Kesesuaian Desain Cerobong Blaze, Boiler, dan Genset terhadap Persyaratan Teknis Pengendalian Emisi di PT XYZ Sugiharto, Arrantyo Ryan; Fadhil, Muhammad Faisal
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The animal feed industry emits air pollutants from combustion processes in blazes, boilers, and generators, which can harm the environment. Chimneys serve as the main control point to ensure these emissions are properly managed. Therefore, it is important to assess whether the chimney characteristics at PT. XYZ's blaze, boiler, and generator facilities comply with applicable environmental regulations. Field observations and Likert-scale assessments were carried out to evaluate chimney infrastructure and supporting facilities against the Decree of the Head of Bapedal No. 205 of 1996 and the Ministry of Environment and Forestry Regulation No. 11 of 2021. Parameters evaluated included chimney size, height, sampling point locations, and the presence of supporting facilities such as safety railings, ladders, working platforms, and electricity sources. Of the 18 chimneys examined, the average compliance level was 58% classified as “Fair”, with 7 chimneys rated “Good,” 5 rated “Fair,” 5 rated “Poor,” and 1 rated “Very Poor.” These results show that PT. XYZ has shown awareness by providing sampling facilities that meet technical standards, but remaining deficiencies reduce overall regulatory compliance. Recommended improvements include upgrading chimney facilities and infrastructure to enhance regulatory compliance and reduce operational risks during emission sampling.
Tahapan Penyusunan Dokumen Rencana Pengamanan Air Minum di Sistem Penyediaan Air Minum (SPAM) Kota Cimahi Dewi, Arynda; Rachmawati Sugihhartati Dj
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Possessing of safe drinking water is crucial for sustainable health development. Deteriorating water quality can endanger human health, one of which is diarrhea caused by water contaminated with E. coli bacteria. This study aims to develop a RPAM document to determine strategies for reducing the risk of hazardous events in all SPAM components. The methods used for this study were observational studies and literature reviews. The study concluded that the preparation of the RPAM document focuses on priority risks and proactively monitors protective measures designed to protect the water supply. Through the preparation of the RPAM document, it is also expected that customer complaints about water quality will be significantly reduced.
Implementasi Total Productive Maintenance sebagai Upaya Peningkatan Efektivitas dan Pencegahan Breakdown Mesin Multi Pack PT PCI  dengan Analisis Data Muhammad Rizki Fitridiansyah; Rusindiyanto
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study discusses the implementation of Total Productive Maintenance (TPM) as an effort to increase effectiveness and prevent breakdowns on Multi Pack Machines at PT PCI. During the observation process, it was found that the downtime duration was still quite high and affected the smooth production. Based on the recapitulation results using Microsoft Excel, the total downtime on the Multi Pack Machine PL 2 reached 555 minutes, which indicates the need for an evaluation of the current maintenance pattern. Through the implementation of TPM pillars, specifically Autonomous Maintenance, Planned Maintenance, and Quality Maintenance, this study highlights the importance of operator and maintenance team involvement in maintaining stable machine conditions. Downtime data was then analyzed using Excel to identify dominant causes through Pareto diagrams and root cause analysis. The results showed that several main factors causing disruptions could be clearly mapped so that corrective actions could be directed more precisely. The implementation of TPM was proven to be able to reduce the potential for recurrent damage and contribute to increasing the machine's OEE value.
Kinerja Tangki Septik dan Implikasinya terhadap Emisi Metana dan Pemulihan Energi Hibatullah, Nisrina; Soewondo, Prayatni; Sintawardani, Neni
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Decentralized septic tank-based sanitation systems remain the primary choice for domestic wastewater management in developing countries, including Indonesia. However, substandard designs and minimal maintenance result in low treatment performance, environmental pollution, and significant greenhouse gas (GHG) emissions. This study used six domestic septic tank units in Bandung City, using a reverse engineering approach and first-order reaction kinetics modeling to estimate influent pollutant loads, organic load removal efficiencies, and methane generation potential. Variation results showed a high Hydraulic Retention Time (HRT) (2–27 days) and an average Chemical Oxygen Demand (COD) concentration of 9,556 mg/L, far exceeding design standards. Units with long HRTs had COD removal efficiencies of up to 91% and methane production potential of up to 490 m³/year, but all gas was released as fugitive emissions due to the lack of a capture and subsequent treatment system. Scenario modeling based on IPCC guidelines shows that the implementation of technical standards (SNI 2398:2017) and Scheduled Fecal Sludge Treatment (LLTT) can reduce methane emissions by up to 90% (from 13.52 Gg/year to 2.09 Gg/year) and recover 50.3 GWh/year of energy through sludge treatment at Fecal Sludge Treatment Plants (IPLT). These findings confirm that minimal intervention with the integration of sludge management and energy recovery is an effective strategy for climate mitigation and household sanitation systems.
Analisis Penyebab Downtime Pada Mesin Produksi Pupuk NPK Granul Compaction Menggunakan Metode Root Cause Analysis di PT XYZ Hidayatullah, Fajar Rizky; Joumil Aidil SZS
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The fertilizer industry plays a strategic role in supporting agricultural productivity and national food security. However, production effectiveness is often constrained by machine downtime, which negatively affects operational performance. This study aims to analyze the main causes of machine downtime in the NPK granular compaction production process at PT XYZ and to propose appropriate improvement strategies. The research method employs downtime analysis using a Pareto diagram to identify the machine contributing the highest downtime, followed by root cause analysis using a Fishbone (Ishikawa) diagram and the 5W+1H method. The Pareto analysis results indicate that the Compact machine was the largest contributor to downtime during the October 2025 period, with a total duration of 395.23 hours. Fishbone analysis reveals that downtime is influenced by multiple interrelated factors, including machine, method, manpower, material, measurement, and working environment. Furthermore, the 5W+1H analysis shows that failures of key components such as the roller press, crusher chain, bearings, screen, and Teflon were caused by high workload, inadequate maintenance practices, non-compliance with standard operating procedures, substandard spare part quality, incomplete downtime records, and unfavorable working conditions. Based on the findings, strengthening the implementation of preventive maintenance is recommended as the primary strategy to reduce downtime, improve machine productivity, and enhance the overall efficiency of the NPK granular compaction production process.
Analisis Potensi Sanitary Landfill Pada TPA Randegan Kota Mojokerto Rafli Rudini, Mochammad
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The rapid population growth in Mojokerto City has led to an increase in daily solid waste generation, averaging ±80 tons per day. Currently, Randegan Landfill, with an area of ±6.05 hectares, operates under a controlled landfill system that has not been fully effective in minimizing environmental impacts. This study aims to analyze the potential implementation of a sanitary landfill system as an alternative waste management strategy at Randegan Landfill. The research method involved literature review, collection of primary data on waste generation, and secondary data on landfill conditions. The findings indicate that household waste contributes the largest proportion (77.5%), with organic waste dominating the composition (75%). The application of sanitary landfill, supported by essential elements such as lining systems, leachate collection, gas ventilation, and monitoring systems, is expected to reduce environmental pollution, improve waste management efficiency, and provide opportunities for energy recovery through methane gas utilization. The study concludes that transitioning from controlled landfill to sanitary landfill is an urgent necessity for Mojokerto City, requiring appropriate land allocation, strong policy support, and collaboration among stakeholders to ensure sustainable waste management.
Perbandingan Kecepatan Perahu 1 GT Menggunakan Propeller Dua Daun dan Tiga Daun Pada System Water Jet Ikhsan, Muhammad; B, Siswandi; Jupri; Efrizal; Muhammad Ryan Saputra; Bima Kurniawan
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Indonesia, as an archipelagic country with extensive marine areas, relies on small vessels as the main means of transportation for coastal communities; therefore, an efficient, safe, and suitable propulsion system for shallow waters is required. This study aims to analyze the effect of the number of propeller blades on the speed of a 1 GT boat equipped with a water jet propulsion system. An experimental method was applied by conducting speed tests in shallow waters using a 4-inch diameter water jet and a 7 HP Rubin engine. The tests were carried out using two-blade and three-blade propellers, each tested four times on the same boat, engine, and location. Primary data were obtained from direct testing and speed measurements, while secondary data included engine specifications, 1 GT boat characteristics, and water jet design data. The analysis was conducted using descriptive and comparative methods. The results show that the three-blade propeller produced a higher average speed of 4.88 knots compared to 4.13 knots for the two-blade propeller. The maximum speed achieved by the three-blade propeller was 5.3 knots, while the two-blade propeller reached 4.4 knots. These results indicate that the three-blade propeller generates greater thrust, making it more effective for improving the speed of small boats using water jet systems in shallow waters.

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