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All Journal Jurnal Masyarakat Berdikari dan Berkarya (MARDIKA) Industrial & System Engineering Journals (ISEJOU) Elimensi Journal of Electrical Engineering
Ryan Pramanda
Universitas Samudra
Humanities Automotive Engineering Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation

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Analisis Pengendalian Persediaan Bahan Baku Untuk Mengoptimalkan Pengelolaan Tandan Buah Segar (Tbs) Menggunakan Metode Economic Order Quantity (Eoq) Pada Ptpn Iv Pks Tanjung Seumantoh Ryan Pramanda; Nurmalawati; Dewiyana; Julpan Afandi Panjaitan
Industrial & System Engineering Journals (ISEJOU) Vol. 3 No. 1 (2024): ISEJOU, Vol 3, No 1 Desember 2024
Publisher : Universitas Katolik Darma Cendika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37477/isejou.v3i1.720

Abstract

This study aims to optimize the amount of raw material inventory at PTPN IV Regional 6 PKS Tanjung Seumantoh using the Economic Order Quantity (EOQ) method. Based on raw material inventory data during the period January-October 2024, it is known that the initial raw material inventory of 667 tons is far from optimal. Through analysis using the EOQ method, it was found that the optimal amount of raw material inventory is 903 tons. The implementation of this method is expected to increase the efficiency of raw material inventory management by reducing the risk of shortages or excess stock, as well as reducing related operational costs. Thus, the company can improve operational performance and the sustainability of its production process.
Analisis Potensi Bahaya pada Stasiun Sterilizer di PTPN IV PKS Tanjung Seumantoh Menggunakan Metode Job Safety Analysis (JSA) Dewiyana; Ryan Pramanda; Nurmalawati; Hanna Amani Fadilah Saragih
Industrial & System Engineering Journals (ISEJOU) Vol. 3 No. 1 (2024): ISEJOU, Vol 3, No 1 Desember 2024
Publisher : Universitas Katolik Darma Cendika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37477/isejou.v3i1.724

Abstract

This study aims to identify potential hazards at the sterilizer station in PTPN IV using the Job Safety Analysis (JSA) method. This method is applied to identify potential hazards in each work process at the sterilizer station. The analysis results show that the highest hazard potential occurs in two processes: during the sterilization of Fresh Fruit Bunches (FFB) with a risk score of 5, and when opening the sterilizer door after sterilization is complete, with a risk score of 15. These two processes require further control measures. Additionally, analysis was carried out on six other processes, including floor cleaning in the sterilizer area, pulling the cart using a capstan, adding and releasing steam at peak 1, peak 2, and peak 3 during sterilization, and attaching the capstan rope to the hook at the end of the cart. Therefore, optimal control efforts are needed during the FFB sterilization process and the opening of the sterilizer door to minimize hazard risks to a low level.
Evaluasi Postur Kerja Pada Stasiun Loading Ramp Di PTPN Unit Tanjung Seumantoh Menggunakan Metode Reba (Rapid Entire Body Assessment) Ryan Pramanda; nurmalawati; Dewiyana; Sukri Antika Zebua
Industrial & System Engineering Journals (ISEJOU) Vol. 3 No. 2 (2025): ISEJOU, Vol 3, No 2 Juni 2025
Publisher : Universitas Katolik Darma Cendika

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Postur kerja yang tidak ergonomis dapat meningkatkan risiko kelelahan dan cedera pada pekerja, terutama di stasiun loading ramp saat pengambilan Tandan Buah Sawit (TBS). Penelitian ini bertujuan untuk menganalisis tingkat risiko postur kerja menggunakan metode Rapid Entire Body Assessment (REBA) di PTPN IV PKS Tanjung Seumantoh. Berdasarkan hasil analisis, skor REBA yang diperoleh adalah 7, yang masuk dalam kategori risiko ‘sedang’ dan membutuhkan perbaikan. Penilaian dilakukan terhadap enam variabel utama, yaitu leher, batang tubuh, kaki, lengan atas, lengan bawah, dan pergelangan tangan. Hasil evaluasi menunjukkan bahwa seluruh variabel memberikan kontribusi terhadap tingginya skor REBA. Untuk mengurangi risiko kelelahan dan mencapai skor 0, diperlukan perbaikan dalam aktivitas kerja di loading ramp, termasuk penyesuaian postur kerja, desain alat kerja, dan pelatihan ergonomi bagi pekerja. Penelitian ini memberikan rekomendasi praktis untuk meningkatkan kesehatan dan keselamatan kerja, serta efisiensi operasional perusahaan.
OPTIMALISASI PENGGUNAAN MESIN POMPA AIR PADA SARINGAN MANUAL UNTUK MENINGKATKAN KETERSEDIAN AIR BERSIH PASCA BANJIR DI DESA TUALANG BARO KECAMATAN MANYAK PAYED KABUPATEN ACEH TAMIANG Nurmalawati; Ryan Pramanda; Dewiyana
Jurnal Masyarakat Berdikari dan Berkarya (Mardika) Vol 4 No 1 (2026): Jurnal Masyarakat Berdikari dan Berkarya (MARDIKA)
Publisher : Fakultas Teknik, Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/mardika.v4i1.14341

Abstract

Optimizing the use of water pumps in manual filters is an appropriate and applicable solution to increase clean water availability after flooding. This program not only addresses the community's immediate needs but also strengthens their self-reliance in sustainably responding to disasters.
Analisis Losses Inti/Kernel pada Cangkang Light Tenera Dry Separator (LTDS) No.1 Menggunakan Metode Statistical Process Control (SPC) pada PT. Socfindo Kebun Sei Liput Aceh Tamiang Ryan Pramanda; Alifya Ghina Syahra
Journal of Electrical Engineering Vol. 4 No. 01 (2026): Elimensi : Journal of Electrical Engineering
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/elimensi.v4i01.638

Abstract

This study aimed to analyze kernel losses in the shell fraction of Light Tenera Dry Separator (LTDS) No. 1 at PT Socfindo Sei Liput Estate using the Statistical Process Control (SPC) method. Data were collected through direct observation of the kernel and shell separation process and analyzed using control charts to evaluate process stability. The results showed that the blower inverter frequency ranged from 50.38 to 56.45 Hz, while kernel losses varied between 0.60% and 0.98%. These values remained below the company's maximum allowable limit of 1%, indicating that the separation process was under control. However, kernel losses were still affected by several factors, including improper blower frequency settings, uneven kernel cracking at the ripple mill, and unstable material flow during the separation process. Therefore, regular monitoring of operating parameters and routine maintenance of the LTDS are necessary to maintain optimal machine performance and minimize kernel losses, thereby improving the overall efficiency of the production process
Co-Authors Alifya Ghina Syahra Dewiyana Hanna Amani Fadilah Saragih Julpan Afandi Panjaitan Nurmalawati Sukri Antika Zebua