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Muhammad Nizar
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Fakultas Teknik, Universitas Serambi Mekkah Jalan Unmuha, Batoh, Telp. (0651) 26160 dan (0651) 22471 Banda Aceh, Indonesia
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Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : http://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering
The Serambi Engineering journal is published as a medium to distribute information on research results in engineering and science, both carried out by lecturers from the Serambi Mekkah University and other parties. Published research can be in the form of field research or laboratory research as well as a literature review. This journal is published four times yearly, namely January, April, July, and October. Editors accept manuscripts from lecturers, researchers, students, and practitioners that have never been published by any other media. Manuscripts submitted will be evaluated and edited for uniformity of format, terms, and other procedures. The topics that can be published but are not limited to are: Water & Waste Water Quality Solid Waste Management Air Pollution Control Environmental Health Environmental Modeling Environmental Management Water Resources Management Occupational Health & Safety Ecology Renewable Energy Circular Economics Sustainable Development Climate Change Mitigation and Adaptation Climate Change and Water Resources Adaptation Urban Planning Informatics Computer and Technology Industrial Engineering Other .
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 964 Documents
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Analisis Faktor Kecelakaan dan Keselamatan Kerja Pada Penggunaan Hoist Crane Menggunakan Metode Varimax Akhmad I. Fajar; Rusindiyanto
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Occupational safety and health (OSH) is a critical issue that affects operational performance and sustainability in industry. The use of overhead travelling cranes, while supporting process efficiency, carries a significant risk of occupational accidents. The aim of this study is to analyse the factors influencing occupational accidents and OSH in hoist crane operations using the varimax rotation method. The research data was collected through questionnaires distributed to workers in companies using hoisting cranes. The analysis covered three main aspects: human factors, environmental factors and equipment factors. The results showed that human factors include physical condition, discipline, operator skill and carelessness. Environmental factors included plant layout, communication, cleanliness and site conditions. As for equipment factors, the condition, maintenance, feasibility and completeness of equipment are important aspects that affect work safety. The research found that work accidents can be minimised by focusing on the dominant factors identified. With these findings, the research provides strategic recommendations for companies to systematically manage occupational risks, improve occupational safety and reduce the potential for accidents, particularly in the use of heavy equipment such as hoisting cranes.
Optimalisasi Program K3 di Area Gudang Penyimpanan Melalui Pendekatan HIRADC Pada PT XYZ Arya Dany Ardhiansah; Tranggono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The implementation of health, safety and environment (HSE) programmes is crucial in industrial operations, especially in warehouses, which are high-risk areas for industrial accidents. This study focuses on optimising the HSE programme in the warehouse of a steel pipe manufacturing plant in East Java using the Hazard Identification, Risk Assessment, and Determining Control (HIRADC) method. The HIRADC approach systematically identifies potential hazards, assesses risk levels and determines appropriate control measures to minimise risks. The study identified significant risks associated with pipe loading and unloading activities, such as falling pipes and equipment malfunctions. Control measures, including the installation of safety signage, preventive maintenance, crane use and the use of personal protective equipment, were implemented to reduce the risks. The study concludes that the implementation of HIRADC is effective in reducing risks and creating a safer working environment.
Analisis Penanganan Kerusakan Jalan Menggunakan Metode Pavement Condition Index di Jalan Jepang Kabupaten Kapuas Dendy Giovany Zevanya; Murniati; Devia
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Roads are an important factor in economic growth and regional development. However, high traffic volumes can lead to deterioration in road quality, such as damage to the surface. In Kapuas Regency, particularly on the Jepang roads, damage is often caused by vehicles, especially trucks, which exceed the load limits. Proper road maintenance is needed to repair and prevent further damage, with a focus on assessing the nature of the damage. A planned maintenance programme will support smooth transport and the regional economy. The research was carried out in Kapuas Regency, specifically on Jepang roads, using the Pavement Condition Index (PCI) method, which is used to determine the pavement condition index on a scale of 0 to 100, which is used to assess road conditions based on the level of damage. The research results show that Jepang roads have an average PCI of 79.2, which is in the very good category. Based on the PCI method, this road requires routine maintenance to prevent more serious damage in the future.
Modeling Air Pollutant Dispersion in Urban Areas: A HYSPLIT-Based Analysis of PM 2.5 Dynamics in Medan, Indonesia Mustaqiman, Aulia Nur; Tia Dwi Irawandani; Wisnu Prayogo; Sapta Suhardono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Air pollution is a critical environmental challenge in urban areas, particularly developing regions like Medan, Indonesia. This study aims to analyze the dynamics of PM 2.5 dispersion, identify pollution sources, and assess the role of meteorological factors in influencing air quality. Using the HYSPLIT model, the research examines pollutant transport and dispersion over ten months, specifically focusing on a high-pollution episode in May 2024. The study integrates meteorological data and local air quality measurements to simulate forward and backward trajectories at multiple altitudes. The results reveal that PM 2.5 concentrations in Medan are driven by local emissions, such as transportation and industrial activities, and transboundary pollution from biomass burning in neighboring provinces. Higher altitudes capture the influence of regional winds, while localized sources and atmospheric turbulence dominate near-surface levels. Meteorological conditions, including wind patterns, temperature stability, and rainfall, significantly affect pollutant dispersion and accumulation. By leveraging advanced modeling tools and meteorological data, the study provides a robust framework for air quality management in urban environments. These insights contribute to the broader understanding of pollution dynamics and support evidence-based strategies to protect public health and the environment.
Pengaturan Jadwal Distribusi Minyak Goreng dengan Metode Distribution Requirement Planning  (Studi Kasus: CV. Berkah Sumber Abadi) , Khoirul Yanuar Rizky; Herlina
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

CV. Berkah Sumber Abadi is one of the distribution companies in East Java that focuses on the distribution of packaged edible oil. The application of CV. Berkah Sumber Abadi's distribution system uses one-time delivery after receiving an order from a customer. This system resulted in the distribution costs incurred by CV. Berkah Sumber Abadi to be quite high. To overcome this, an analysis is needed using the Distribution Requirement Planning (DRP) method, which is useful for minimising distribution costs, so that the company can rationalise distribution costs. The lot size calculation method using Silver Meal is applied to optimise effective and efficient order lot sizes. The results showed that the Distribution Requirement Planning (DRP) method was able to significantly reduce distribution costs by planning a more regular delivery schedule. In addition, the Silver Meal method successfully reduces inventory costs by determining the optimal lot size according to the demand of each period. With the Distribution Requirement Planning (DRP) method, the distribution cost of Fermina cooking oil products was reduced by 22% compared to the system used by CV. Source: Berkah Abadi. The total distribution cost using the enterprise method was Rp 68,760,000, while using the Distribution Requirement Planning (DRP) method was Rp 53,500,000.
Implementasi Metode Autoregressive Integrated Moving Average Untuk Analisis Peramalan Permintaan Kalibrasi Pada PT XYZ Ivanda, Shabrina Tsalsabela; Joumil Aidil SZS
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In an era of increasingly fierce industrial competition, service optimisation and operational efficiency are the main keys for companies to maintain competitiveness. This study aims to analyse and forecast the demand for calibration services at PT XYZ using the Autoregressive Integrated Moving Average (ARIMA) method. Calibration demand is an important indicator in managing company resources, so accurate forecasts can help PT XYZ improve operational efficiency and service quality. The data used in this study is secondary data that includes calibration demand data. The analysis process is carried out through several stages, including model identification, parameter estimation and diagnostic testing to ensure that the resulting model optimally reflects the historical data patterns. The ARIMA (1,1,1) model was identified as the best model with a low forecasting error rate, namely the Mean Absolute Percentage Error (MAPE) of 2.04%. The forecasting results show a predicted calibration demand of 9 requests per month for the period November 2024 to April 2025. These results provide strategic insights for PT XYZ to manage resources more effectively, such as scheduling staff, managing equipment capacity, and reducing customer wait times. This study also confirms that the ARIMA method has a good ability to capture seasonal patterns and trends, thus providing accurate forecasts for strategic planning.
Usulan Perencanaan Tata Letak Gudang Bahan Penolong Menggunakan Metode Class Based Storage di PT. XXX Muhammad Hadziqul Afkar; Rr Rochmoeljati
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Warehouses play an important role in the logistics management of manufacturing companies, especially in supporting the smooth production process of PT. XXX, as the most complete fertilizer manufacturer in Indonesia. There are problems regarding the management of auxiliary materials warehouse, such as overstocking of some materials and sub-optimal warehouse layout. The purpose of this research is to optimise the warehouse layout of auxiliary materials at PT XXX by using the class-based storage (CBS) method and the fast moving, slow moving and non-moving (FSN) classification approach. The research method includes primary data collection through observation and interviews, as well as secondary data from the company's warehouse management system and references. According to the FSN analysis, there are three fast moving materials, seven slow moving materials and two non-moving materials. The layout optimisation results show that the main fast-moving materials increased by 10%, Al(OH)3 by 13% and Rough Jumbo Dolomite by 71%. In addition, non-moving materials such as acid clay and ferrous sulphate were removed, reducing the capacity of red clay by 64%. In this way, the class-based storage approach allows warehouse management to be more structured, efficient and responsive to operational needs.
Analisis dan Perbaikan Dwelling Time Menggunakan Metode Six Sigma DMAIC Pada Proses Importasi di PT. XYZ Ihdinassayyida Eliza; Tranggono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Dwelling time is the time required for import containers since the container is unloaded from the time the ship docks until it leaves the port area or Temporary Storage Area (TPS). This research aims to analyse and improve the dwell time in the import process at PT XYZ using the Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control) methodology. The DMAIC approach is used to identify the root causes of high dwell time in the project during the period July 2021 to June 2022 and to design effective improvement solutions. The results of the study showed that one of the main factors causing the problem was the late delivery of shipping documents by the supplier. Based on the calculation of DPMO and Sigma value, it is found that the average Defect Per Million Opportunities (DPMO) is 107208.99 and the average Sigma value is 2.75, which is categorised into Sigma level 2. Therefore, it is claimed that the sigma value is still far from the desired value of 6, so long term improvements are needed for the smooth running of the next project to achieve the national dwell time target of 3 days.
Pengaruh Pre-Clearance, Customs Clearance dan Post-Clearance Terhadap Dwelling Time di PT XYZ Menggunakan Metode Regresi Linear Berganda Putri Hardhika, Palmarosa Ardianti; Joumil Aidil Saifuddin Z.S
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Dwelling time is the time taken to unload containers loaded with imported goods from a port until the containers leave the port. PT XYZ as a state-owned industrial company that actively carries out import activities must deal with complex challenges in managing the clearance process. Depending on the process, the dwelling time is divided into three stages, namely pre-clearance, custom clearance, and post-clearance. This study aims to determine the effect of pre-clearance, custom clearance, and post-clearance on dwelling time both simultaneously and partially and to find out which factors influence on dwelling time. The method used in this research is multiple linear regression analysis using SPSS software. The results showed that pre-clearance, custom clearance, and post-clearance factors have a significant influence on dwelling time both simultaneously and partially. The dominant factor influencing dwelling time is the post-clearance factor, with the highest coefficient value of 1.742. By making improvements at the post-clearance stage, PT XYZ can reduce the duration of dwelling time and increase its business efficiency.
Analisis Penerapan Metode HIRADC Sebagai Upaya Pengendalian Risiko Bahaya Pada Laboratorium Kalibrasi PT XYZ Gufron, Achmad; Rusindiyanto
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

PT XYZ as a company engaged in manufacturing and maritime engineering, has a calibration laboratory with various potential hazard risks. Thus, risk control efforts are needed to minimize the negative impact on occupational safety and health (K3). This study aims to evaluate the potential risk of hazards in the Dimensional, Pressure, and Electrical Calibration Laboratory using the Hazard Identification, Risk Assessment, and Determining Control (HIRADC) method at PT XYZ. The data used in this study are primary data conducted in three calibration laboratories at PT XYZ. The identification results show the existence of various potential risks such as skin irritation due to chemicals, health problems due to extreme conditions, and physical fatigue due to improper work positions. Based on the analysis, it was found that the risk level of the electrical calibration laboratory was classified as high risk with 67%, the pressure calibration laboratory was classified as moderate risk with 60%, and the dimensional calibration laboratory was classified as moderate risk with 60% before control. After the implementation of risk control through the control hierarchy, the risk level in several laboratories decreased to low or moderate. The results of this study indicate that the HIRADC method is effective in identifying and controlling hazard risks, as well as the importance of implementing appropriate control measures to increase the risk level.

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