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      Optimalisasi Pengendalian Persediaan Bahan Baku dengan Material Requirement Planning (MRP) untuk Mengatasi Overstock di PT XYZ

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      Date
      2026
      Author
      AZHAHIRA, MARCHELLIONY
      Rahmawati, Novia
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      Abstract
      PT XYZ menghadapi permasalahan overstock pada bahan baku yang disebabkan oleh perusahaan belum memiliki sistem pengadaan yang optimal, khususnya dalam menghadapi fluktuasi permintaan. Selain itu, perusahaan juga belum melakukan perhitungan biaya penyimpanan secara khusus sehingga aspek biaya penyimpanan belum menjadi pertimbangan dalam proses pengadaan bahan baku. Penelitian ini bertujuan untuk merancang sistem pengendalian persediaan dengan pendekatan data kuantitatif untuk mengoptimalkan pengelolaan persediaan dan efisiensi biaya persediaan. Metode yang diusulkan adalah Material Requirement Planning (MRP) dengan lot size Fixed Order Quantity (FOQ) serta rasionalisasi safety stock ke dalam penjadwalan MRP. Hasil evaluasi menunjukkan bahwa metode usulan dapat menurunkan biaya persediaan dari Rp 2.676.306 menjadi Rp 1.983.901.489 atau penghematan sebesar 25,87%. Selain itu jumlah persediaan pada akhir periode juga mengalami penurunan dari 8930 pcs menjadi 3650 pcs atau sebesar 59,13%. Untuk mendukung efektivitas implementasi metode MRP yang diusulkan, disusun instruksi kerja sebagai acuan dalam penggunaan metode MRP agar implementasinya dapat berjalan secara efektif dan sistematis di perusahaan.
       
      PT XYZ faces the problem of excercess raw material inventory caused by a lack of an optimal procurement system, particularly in handling fluctuations in demand. In addion, the company has not calculated storage cost specifically, so storage costs have not beem factored into the raw material procurement process. This study aims to design an inventory control system using a quantitative data approach to optimize inventory management and inventory cost efficiency. The proposed method is Material Requirement Planning (MRP) with a Fixed Order Quantity (FOQ) lot size and the rationalization of safety stock in to MRP schedule. Evaluation result show that the proposed method can reduce inventory costs from IDR 2.676.306.145 to IDR 1.983.901.489, representing a saving of 25,87%. In addion, inventory at the end of the period also decreased from 8.930 units to 3.650 units, or by 59,13%. To support the effective implementation of the purposed MRP method, work instruction were developed as a reference for using the MRP method so that its implementation can proceed effectively and systematically within the company
       
      URI
      http://repository.ipb.ac.id/handle/123456789/174801
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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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