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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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Hazard Identification Risk Assessment Kegiatan Praktek Structural Fire Pada Program Studi Pertolongan Kecelakaan Tri Saputra, Surya; Supri
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Structural Fire Practice is a firefighting training activity in buildings carried out to equip students with technical skills in dealing with fire incidents in buildings or airport facilities. The risk to physical safety, health, and equipment damage is very high if hazard identification and risk management are not carried out systematically. The purpose of this study is to identify hazards and assess potential risks and provide mitigation so that these risks do not cause more severe consequences. This study was conducted using the Hazard Identification and Risk Assessment (HIRA) approach. The results of the study showed that there were 31 potential hazards covering human, equipment, environmental, and work procedure aspects. The results of the risk assessment showed that four potential hazards were in the intolerable category, namely: SCBA compressors that are not properly maintained, hoses that do not meet standards, manual fuel injection, and backdraft or flashover conditions. Mitigation measures implemented include increased supervision of equipment maintenance, the use of thermal imaging cameras, the implementation of SOPs, and safety training and briefings. The implementation of HIRA in training activities provides significant benefits in increasing safety awareness and reducing the potential for accidents in aviation education environments.
Analisa Cacat Las GMAW Pada Proses Pabrikasi Bak Dump Truck Menurut AWS D1.1 2015 Dengan Metode Inspeksi Visual di PT Metalindo Teknik Utama Pratama, Dani Nugraha; Rizal Hanifi; Ratna Dewi Anjani
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The welding quality of dump truck fabrication plays a crucial role in ensuring structural strength and production reliability. The Gas Metal Arc Welding (GMAW) process has the potential to generate welding defects when welding parameters and material preparation are not properly controlled. This study aims to identify welding defects occurring in the fabrication process at PT Metalindo Teknik Utama and to evaluate their acceptance based on the AWS D1.1:2015 criteria through visual inspection. Visual inspection was conducted on several weld joints using a welding gauge and vernier caliper to measure undercut depth, reinforcement height, and surface defects. The results show six types of welding defects, namely undercut, spatter, porosity, pin hole, surface cold lap, and excessive capping. According to AWS D1.1:2015, three defects were classified as rejected (undercut of 1.25 mm, pin hole >3 mm, and 4 mm capping), while spatter, porosity, and surface cold lap were considered accepted. These defects were mainly caused by improper welding parameters, insufficient welding technique control, and inadequate surface preparation. Corrective actions such as grinding, gouging, and re-welding were applied. The results indicate that visual inspection based on AWS D1.1:2015 is effective in evaluating weld quality and supporting improvement in the production process.
Evaluasi Kepuasan Kerja Karyawan di Industri Manufaktur Presisi melalui Pendekatan Importance-Performance Analysis Khairullah, Mohammad Reatha Deo; Tarigan , Amenda Septiala; Alamsyah, Nanang; Kurnia, Tyas Eka
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The precision manufacturing sector requires a stable and competent workforce to ensure smooth production processes, making an understanding of employee job satisfaction essential for maintaining organizational performance. This study aims to evaluate employee satisfaction at PT XYZ using a descriptive quantitative approach through a survey of 21 purposively selected respondents. Data were collected using a closed-ended questionnaire consisting of ten job satisfaction indicators and analyzed using the Importance-Performance Analysis (IPA) framework. The results show an employee satisfaction index of 74.35 percent, indicating a moderately satisfied category. The IPA mapping reveals that interpersonal relation requires priority improvement due to its high importance but relatively low satisfaction level. Meanwhile, quality of work, knowledge of job, dependability, and performance fall into the category of attributes that should be maintained. Other indicators such as adaptability, initiative and resourcefulness, judgment, and leadership quality show both low importance and low satisfaction, suggesting that gradual attention is still needed to strengthen the company’s long-term organizational performance.
Optimalisasi Silika Gel Dari Sekam dan Jerami Padi Ditinjau Dari Rasio Bahan Baku dan Konsentrasi H2SO4 dengan Metode Ekstraksi Permata Sari, Shefia Dian; Meidinariasty, Anerasari; Apri Mujiyanti
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This research aims to optimize silica gel synthesis from rice husk and rice straw through variations in raw material ratio and sulfuric acid concentration. Silica gel was produced through alkaline extraction using NaOH followed by precipitation with H₂SO₄. Variations in husk–straw composition (100:0, 75:25, 50:50, 25:75) and H₂SO₄ concentrations (1 M, 2 M, 3 M) were tested to evaluate their effects on moisture content, water vapor adsorption capacity, pH, and functional groups by FTIR. Results show that the 75% husk–25% straw ratio with 3 M H₂SO₄ yields the optimal silica gel characteristics, including the lowest moisture content, highest adsorption capacity, and stable pH. FTIR analysis confirms the formation of silanol and siloxane functional groups, indicating successful synthesis. This study demonstrates that agricultural waste can be converted into high-quality silica gel through optimized extraction parameters.
Karakterisasi katalis dari Zeolit Alam/KF menggunakan metode X-Ray Diffraction Nurrizka, Zahra; Zamhari, Mustain; Yerizam, Muhammad
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Natural zeolite is a porous material with great potential as a heterogeneous catalyst, but its catalytic activity still needs to be improved. One way to improve the basic properties of zeolite is by modifying it using potassium fluoride (KF). This study aims to produce a strong base catalyst based on natural zeolite/KF and characterize its crystal structure using the X-Ray Diffraction (XRD) method. The catalyst synthesis process includes initial zeolite activation, impregnation with varying KF concentrations (1.5%–3.5%), and calcination at 500–700°C. The XRD characterization results show that the sample with a KF concentration of 2.5% and a calcination temperature of 600°C (code T248) produced the best catalyst, with a crystallite size of 176 Å and the lowest microstrain of 0.25%, as well as a very high degree of crystallinity. This indicates that these conditions are optimal for producing a stable and regular crystal structure. The catalyst produced in this study has the potential to be used in various chemical reaction applications, such as transesterification for biodiesel production.
Analisis Pemanfaatan SIINas Menggunakan Metode SWOT Dalam Mendukung Strategi Pembangunan Industri Berkelanjutan Pemerintah Provinsi Jawa Timur Damara Hutananto, Raditya; Yekti Condro Winursito
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The National Industrial Information System (Sistem Informasi Industri Nasional/SIINas) is a national platform developed by the Ministry of Industry of the Republic of Indonesia to collect, manage, and present industrial data in an integrated manner as a basis for formulating industrial development policies. In East Java Province, the utilization of SIINas is one of the key instruments supporting sustainable industrial development strategies; however, its implementation still faces various challenges at both the business and local government levels. This study aims to analyse the utilization of SIINas at the Department of Industry and Trade of East Java Province using the Strengths, Weaknesses, Opportunities, and Threats (SWOT) method in order to identify internal and external factors that influence the optimization of the system. A descriptive qualitative approach was employed, drawing on internship activities at the Division of Industrial Facilities, Supervision, and Control (SP3I), including direct observation, informal interviews with officials and business actors, and document analysis related to SIINas, Online Single Submission (OSS), and the Geographical Industry Information System (GIIS). The results show that SIINas has several strengths, such as regulatory obligation, digital recording of industrial data, and online accessibility, but also weaknesses, including complexity of use, limited system integration, and infrastructural constraints in certain regions. 
Perencanaan Sistem Pengelolaan Air Limbah Domestik Terpusat (SPALD-T) di Kelurahan Kujangsari, Kota Bandung Halomoan, Nico; Barri, Defa Abdul
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Kujangsari Village is classified as an urban slum area located in Bandung Kidul District, Bandung City, with a total area of 1.3 km². Therefore, Kujangsari Village requires planning for a Domestic Wastewater Management System. One of the things that needs to be done is to solve the problem of domestic wastewater distribution by planning a Domestic Wastewater Management System (SPALD). Initial analysis shows that Kujangsari Village is suitable for service with a centralized SPALD at the settlement scale based on considerations of achieving safe sanitation quality. The planning was conducted by considering technical and financial aspects. Technical aspects include wastewater flow rate calculations, pipe dimensions, wastewater flow velocity, pipe excavation, wastewater treatment plant (WWTP) dimensions, and technical planning drawings. Financial aspects include the costs of constructing the wastewater collection and treatment system. The results of the centralized DWMS planning for Kujangsari Village indicate that the designed system will serve a population of 41,142 people with a pipeline network of 19,410 meters in length, utilizing pipes with diameters ranging from 110 to 267 milimeters. The wastewater will be treated in an Anaerobic Baffled Reactor (ABR) WWTP with a capacity of 7,345.24 m³/day. The estimated planning cost is IDR 15,812,591,574, with details of IDR 9,185,967,724 for domestic wastewater distribution and IDR 6,626,623,850 for the construction of the ABR wastewater treatment plant.
The Effect of Additional Composition Substrates on The Rate and Quality of Food Waste Bioconversion by Black Soldier Fly Larvae and Superworm Hakim, Mohammad Najmi Rafi; Mirwan, Mohamad
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Food waste has become one of the main problems in environmental management in Indonesia. Food waste that is not managed properly can cause groundwater pollution, greenhouse gas emissions, unpleasant odours, and bacterial breeding grounds, for such examples are tofu pulp and expired bread. This research aims to analyze the effect of additional composition of tofu waste and expired bread substrates on the rate and quality of food waste bioconversion by black soldier fly larvae and superworm. The research method used direct experimentation with variations in substrate composition over 12 days (BSF) and 30 days (Superworms).  The highest Waste Reduction Index (WRI) was achieved by BSF in the treatment with 60% tofu pulp and 40% expired bread (M4) at 7,65. For Superworm, substrate consisting of food waste and tofu pulp (K2) produced the highest reduction percentage of 63,4% and the Waste Reduction Index (WRI) value of 2,11%. for the final weight and best ECD value for BSF larvae were found on variable M5 consisting of food waste, tofu pulp 50%, and expired bread 50%, with a final weight of 0,3 grams per larva and an ECD value of 16,25%. Variable K2 recorded the highest final weight and ECD value for Superworm, with a final weight of 4,15 grams per larva and an ECD value of 2,94%. The characteristics of the bioconversion residue (frass) from both types of larvae meet the C, N, P, K standards in accordance with SNI 19-7030-2004, the results showed that the combination of tofu pulp and expired bread substrates in treatments M4 and K4 produced residues with a more balanced macro nutrient content, making them the most optimal.
Analisis SWOT Integrasi Data OSS dan SIINas Menggunakan Single Sign-On untuk Meningkatkan Efektivitas Pengelolaan Industri di Jawa Timur Vemas Catur Kurniawan; Minto Waluyo
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Optimizing industrial management is key to spurring economic growth in East Java, particularly through the optimization of digital platforms, namely the Online Single Submission (OSS) and the National Industrial Information System (SIINas). Unfortunately, the operation of these two platforms is not yet integrated, resulting in complex administrative flows, data duplication, and lack of easy access, especially for small and medium enterprises (SMEs) that are not yet familiar with technology, which are common challenges. Many business owners experience difficulties in understanding and using digital systems, so they need simpler and more accessible solutions. This study aims to analyze the need for implementing a Single Sign-On (SSO) system as a solution to integrate data between OSS and SIINas to improve efficiency, transparency, and ease of use. The results show that implementing SSO can help reduce administrative burdens, increase transparency, and speed up processes. However, several challenges remain, such as the community's inability to accept technology, limited technological infrastructure, and the need for digital training for business owners who are not yet familiar with it. Recommended strategies include strengthening technological infrastructure, providing easy-to-understand training, providing offline access, and strengthening data security systems.
Review of Problem Tooling Breakdown Fixes at the Op10 Part Panel Anniversary, RR W/House Inn, RR L/R (RH) at Pt. Summit Adyawinsa Indonesia Tiara Wijaya, Elika; Herwanto, Dene; Rabbani Sumitra, Naufal
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Anniversary damage in the stamping process is a critical problem that can affect product quality and hinder smooth production in the automotive industry. This study aims to identify the main cause of damage to the OP10 Anniversary of the RR W/House Inn RR L/R (RH) at PT. Adyawinsa Indonesia Summit and formulate the right improvement steps to reduce the frequency of breakdowns. The research uses a case study approach through direct observation, structured interviews with Maintenance Tooling personnel, as well as analysis of OEE data and damage history for the period June–December 2024. The data were analyzed using the Root Cause Analysis method (Fishbone Diagram and 5 Why) as well as technical evaluation on the insert dies component. The results showed that scratch defects  in parts were caused by damage to the blank holder insert in the form of pin holes and peeling hardchrome layers, which was exacerbated by less effective preventive maintenance and technical inspections that were only visual. This condition caused 39 breakdown events with a total downtime of 41 hours. Repair recommendations are carried out through insert redesign, precision machining, hardening process, re-hard chrome, and improvement of inspection flow and tooling monitoring. In conclusion, improving the quality of inserts and strengthening the preventive maintenance system has been proven to be able to reduce the potential for repeated damage and increase the reliability of the stamping process.

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