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I Gede Agus Widyadana
Industrial Engineering Department, Petra Christian University, Surabaya
Industrial & Manufacturing Engineering

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Penurunan Nilai Suku Cadang yang Tersimpan pada Persediaan PT. X Jonathan Peter Joyodiono; I Gede Agus Widyadana
Jurnal Titra Vol 5, No 2 (2017): vol 5 no 2, Juli 2017
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Abstract

PT. X. is a multinational company that produces consumer goods. The main goal of this study is to reduce the value of unused sparepart on the inventory by creating a database, and also improving material cleansing mechanism for nonmoving sparepart that leads to optimal inventory cost for Technical Material Management, sub-department of Supply Chain Planning in PT. X. this sub-department is in charge on technical materials and its management that include purchasing plan, sparepart usage recording, etc. Database is built for west and east plant using Microsoft Access 2013. Material cleansing improvement only held in east plant and start from the segregation that has a huge contribution to PT. X inventory cost.
Perancangan Sistem Pengambilan Keputusan Pemesanan Barang dengan Harga Fluktuatif pada CV X Satria Nalapradipta; Tanti Octavia; I Gede Agus Widyadana
Jurnal Titra Vol 7, No 2 (2019): Jurnal Titra
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Abstract

This research was conducted at CV X, an aluminum distributor in Surabaya which determines the quantity of ordered goods only by estimation. The fulfillment of inventory is determined by the owner of CV X, considering the fluctuations in aluminum prices and inventory in the warehouse. Ordering goods always done in excessive quantities. It makes the items in the warehouse pile up. This research uses ABC classification, ROP, and EOQ which consider the price fluctuation. The result of EOQ and EOP will be an input in the information sistem. Information sistem are designed to be able to calculate the new EOQ which taking price fluctuation into account. The proposed method produces a greater value of efficiency and a decrease in total.
Co-Authors Jonathan Peter Joyodiono Satria Nalapradipta Tanti Octavia