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All Journal TEKMAPRO Journal of Industrial Engineering and Management Sinkron : Jurnal dan Penelitian Teknik Informatika JOURNAL OF APPLIED INFORMATICS AND COMPUTING JKIE (Journal Knowledge Industrial Engineering) JURNAL MANAJEMEN BISNIS Journal of Economics, Business, and Government Challenges International Journal of Eco-Innovation in Science and Engineering (IJEISE) Juminten : Jurnal Manajemen Industri dan Teknologi JPNM : Jurnal Pustaka Nusantara Multidisiplin Jurnal Pengabdian Masyarakat Indonesia (JPMI) Serambi Engineering Journal of Optimization System and Ergonomy Implementation Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
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Journal : Serambi Engineering

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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 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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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.
Analisis Pengaruh Jumlah Tenaga Kerja Terhadap Financial Performance dengan Metode Analisis Regresi dan Korelasi di PT Migas Riyadi, Attila Daffa; Tranggono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Labour serves as a critical resource that has a significant impact on a company's operations and financial results, particularly in the oil and gas sector, which contributes to national economic development. This research focuses on evaluating the impact of workforce size on the financial performance of PT Migas using regression and correlation analysis techniques. The study uses financial ratios such as return on assets (ROA), return on equity (ROE), earnings before interest, tax, depreciation and amortisation (EBITDA) and operating costs as data variables. The results show a weak inverse relationship between the number of employees and ROA, with a correlation coefficient of -0.526, indicating a negative association. Similarly, the correlation between the number of employees and ROE is calculated at -0.332, while the correlations with operating expenses and EBITDA are -0.991 and -0.848 respectively, all indicating a negative trend. Over the three-year analysis period, the results show that the size of the workforce does not have a significant impact on financial performance. This highlights the potential influence of other factors on firm performance and the need for management to implement more efficient workforce strategies. This study aims to provide valuable quantitative insights for management in formulating labour-related policies to support the company's future financial growth.
Analisis Peramalan Kebutuhan dan Safety Stock Material Plat Dalam Pembuatan Kapal Pada PT. XYZ Menggunakan Metode Time Series Ahyaliya, Marsya Laila; Tranggono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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A shipyard is an industry that designs, builds and repairs ships. The shipbuilding process at a shipyard involves a number of complex stages, from design to launch. If there is too much stock, the company will incur high storage costs. Conversely, if the stock is too low, the production process will be hampered by delays in material delivery, which can ultimately affect the ship's launch schedule. To overcome these problems, PT XYZ needs to implement a better inventory control system. This system aims to ensure the availability of sufficient plate materials to meet production requirements, including forecasting demand, determining safety stock levels and setting reorder points. The method used in this study is a time series consisting of three methods, namely single moving average, weighted moving average and single exponential smoothing using POM-QM software. Based on the results of the study, the feasible method to be applied to PT XYZ forecasting is a moving average with a MAD value of 5,444, MSE of 46,679, MAPE of 6,695% and forecasting results of 85 pcs per month. Based on the calculation results, it is recommended to reorder the sheet material when the stock reaches the reorder point of 271 pcs. This figure takes into account the safety stock of 18 pcs.
Pengaruh Kualitas Aplikasi Ruangguru CAMP Terhadap Kepuasan Mahasiswa Study Independent Product Management (Studi Kasus: Efektivitas dan Pengalaman Pengguna) Laily, Nisfal; Tranggono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Ruangguru CAMP is a joint programme between Ruangguru and Kampus Merdeka. This programme is in the form of online course learning. The purpose of this study is to determine the extent to which application quality affects the level of student satisfaction in the Independent Product Management study programme. The data collection method used in this study is a questionnaire to collect sample data from 77 students of Ruangguru CAMP Independent Product Management Study Programme. After the data is collected, the data is analysed using the multiple linear regression method to determine whether there is a significant relationship between application quality and user satisfaction. After analysing the data, the results showed that application quality has a positive impact on user satisfaction with a contribution coefficient of 71.4%. Therefore, developers should always optimise application performance to reduce the potential for crashes or other technical problems that may affect the comfort or overall user experience.
Identifikasi dan Pengendalian Bahaya K3 Pada Aktivitas Suplai Air Bersih untuk Kapal di Dermaga XYZ Menggunakan Metode JSA dan HIRARC Yanita Vidya Pramesthi; Tranggono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The water supply activity at XYZ Dock is a high-risk work area. The purpose of this research is to identify hazard risks and provide suggestions for controlling occupational safety and health (OSH) hazards at XYZ Pier. The methods used in this research are Job Safety Analysis Hazard Identification (JSA) and Hazard Risk Assessment and Control (HIRARC). Based on the results obtained from the identification of hazards in each water supply activity, the data obtained in the hose laying activity has 4 medium hazards and 2 low hazards. In the clean water distribution activity, there is 1 high risk, 2 medium risks and 1 low risk. In the activity of releasing the hose there is 1 risk of medium value and 3 risks of low value. After risk control, there is 1 medium risk and 5 low risks in the hose laying activity. In the clean water distribution activity there is 1 medium value risk and 3 low value risks. In the hose removal activity, there is 1 risk of medium value and 3 risks of low value. Therefore, this investigation is able to reduce the risk of potential hazards in the clean water supply activities at XYZ pier.
Analisis Persediaan Bahan Baku Plastik PET Bening dengan Metode Min-Max di PT Gajah Surya Plastik Nadya Novianti Ramadhani; Tranggono
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The uncertain amount of raw materials greatly affects the smoothness of production in a company and the amount of production output, thus encouraging researchers to conduct research on raw material inventory control. PT. Gajah Surya Plastik, is a company engaged in plastic recycling. Companies need to know the minimum stock of raw materials that must be held and the maximum stock limit that the company can hold in order for the raw material supply to be optimal. The min-max stock method was used to determine the maximum and minimum stock levels of the company's clear PET plastic raw materials. This research was carried out using primary data on the company's raw materials and interviews with related parties. From the research, the results of the data processing are that the minimum stock limit is 38,254 kg and the maximum raw material stock limit is 67,309 kg. With a safety stock value of 9199 kg. In addition, the raw material consumption for the next period is forecast with minimum error using the exponential smoothing method. The results of this research minimise the occurrence of stockouts and overstocks of clear PET plastic raw materials, so that production runs optimally.
Co-Authors -, Dira Ernawati A Zulfia Da’iyatu Rohmah Afiady Fitsal Ubaidillah Afita D. Parastiwi Afrul Mufdi T Ahmad Baheshti Ahmad Zidane Albany Ahyaliya, Marsya Laila Akmal Suryadi Albertus A. S. Prakosa Alfian Fakhri Amriel, Egan Evanzha Yudha Andhini Ayu Widyasti Aneke Putri Nadila Araminta, Calyca D. Arya Dany Ardhiansah Bintara Putra Dicya Danendra, Raffi Dira Ernawati Dita Putri Mayangsari Donoriyanto, Dwi S. Dwi Sukma Donoriyanto Emon Leonardo N Endang P. Widjajati Endang Sholihatin Ergilia N. Cholifah Erlina Purnamawati Favian J. Prastian Febby Ficha Shekina Fiki Marchel Perdana Fitriatus Sholeha Grandhika Pratama Widiyarta Nugraha Hayati, Kinanti R. Hayati, Kinanti Resmi Ihdinassayyida Eliza Islami, Mega Cattleya Prameswari Anissa Jordyan A. Cahyono Jovansa N.K. Dheva Juniarto, Daniel Dwi Kinanti R. Hayati Kinanti Resmi Hayati Krisnayana Pranata Laily, Nisfal M Satria Adiyatma Nugraha Maghfur, Maula A. Moch. Tutuk Safirin Mohammad Nailul Falah Nadya Novianti Ramadhani Nanang Haryono Nur Cholifah Sastya Nur Rahmawati Nurul Faizah Prasetya, Reihan Rafly Prastiwi, Afita D. Premadi R Putra Putri, Shelany Andhika Raden S.M. Setiaji Radityo Anggoro Ramadhan, Noviar Rizky Rara Mulya Novitri Rauhul Rahman Adam Riyadi, Attila Daffa Rizki Meidianto Rusindiyanto Sandrina Wielda Sasmito, Zinedine A. Simon B.S. Purba Siti Wahyu Nida Sudarman, Kezia G. Sunardi Teo Billy Chandra Yunanto Tino Aprilyanto Wiranty Tiara Wijaya Siagian Yanita Vidya Pramesthi Yekti C. Winursito Yekti Condro Winursito Yohanes Nababan Zulfamil Ulum