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All Journal JURMATIS : Jurnal Manajemen Teknologi dan Teknik Industri Jurnal Logic: Logistics & Supply Chain Center
Az-Zahra, Vira Luthfiati
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Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Transportation

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Analisis Perbandingan Metode Economic Order Quantity dan Just in Time dalam Pengendalian Suku Cadang Tubing di PT Pertamina EP Tanjung Az-Zahra, Vira Luthfiati
Jurnal Logic: Logistics & Supply Chain Center Vol 2 No 2 (2023): Jurnal Logic: Logistics & Supply Chain Center
Publisher : Widyatama University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33197/logic.vol2.iss2.2023.1819

Abstract

Penelitian ini bertujuan untuk mengetahui metode pengendalian persediaan yang optimal untuk digunakan oleh PT Pertamina EP Tanjung dengan membandingkan antara kebijakan menggunakan metode persediaan Economic Order Quantity (EOQ) dan Just in Time (JIT). Teknik pengumpulan data yang dilakukan berupa observasi dan juga wawancara, yang dilanjutkan dengan analisis data perbandingan kedua metode. Hasil penelitian menunjukkan Metode Just in Time lebih efisen dibandingkan dengan Metode Economic Order Quantity untuk mengendalikan persediaan permintaan Tubing, 2.7/8 IN, J-55, 6.5 PPF, EUE, R2 sebanyak 1.777 pcs, dengan biaya persediaan sebesar $60.168,24 dibandingkan dengan menggunakan Metode Economic Order Quantity yang menghasilkan biaya persediaan sebesar $60.835,92. Metode Just in Time memiliki selisih biaya persediaan lebih kecil sebesar 0,55%. Akan tetapi berdasrakan pertimbangan jarak, wilayah dan waktu perlu diperhatikan frekuensi pemesanan, sehingga metode yang diusulkan oleh penulis untuk menjadi kebijakan perusahaan pada pengendalian persediaan di PT Pertamina EP adalah dengan menggunakan Economic Order Quantity.
Desain Rute dan Optimasi Biaya Transportasi Pengisian Tabung Oksigen menggunakan Metode Complete Enumeration pada CV. Tasman Gases Az-Zahra, Vira Luthfiati; Dewy, Cyndy Kresna; Fikri, Muhammad Albi; Fauzi, Muchammad
JURMATIS (Jurnal Manajemen Teknologi dan Teknik Industri) Vol. 5 No. 1 (2023): January
Publisher : Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jurmatis.v5i1.2207

Abstract

The increasing demand for filling oxygen cylinders makes CV. Tasman Gases has always been consistent in planning transportation cost optimization strategies. The filling of oxygen cylinders in one distribution can transport up to 45 tubes sent to the concerned partner. The purpose of this study is to determine the shortest route and optimal cost in distributing. The method used is Complete Enumeration. The samples used include distribution locations and mileage. The procedure used begins with determining the number of routes, estimated mileage and fuel costs. There is the most optimal route selected from the 12 modeled routes. The selected route has the least transportation costs. This research makes CV. Tasman Gases has the best route, A-D-C-E-F with a distance of 10.9 km worth Rp. 10,423.13.  This value is more effective than the existing A-E-C-D-F condition with a distance of 12.8 km obtaining fuel costs of Rp. 12,240.00. Thus, the distribution route and costs that have been optimal make CV. Tasman Gases can implement and identify future transportation constraints.
Co-Authors Dewy, Cyndy Kresna Fikri, Muhammad Albi Muchammad Fauzi