Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen Padang
Inventory control is a very important issue. It is because the amount of inventory will determine or affect the smoothness of the production process as well as the effectiveness and efficiency of the company. PT Semen Padang is a manufacturing company that produces 10,400,000 tons of cement per yea...
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Universitas Andalas
2019-10-01
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| Series: | Jurnal Optimasi Sistem Industri |
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| Online Access: | https://josi.ft.unand.ac.id/index.php/josi/article/view/162 |
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| author | Prima Fithri Alizar Hasan Fadhita Maisa Asri |
| author_facet | Prima Fithri Alizar Hasan Fadhita Maisa Asri |
| author_sort | Prima Fithri |
| collection | DOAJ |
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Inventory control is a very important issue. It is because the amount of inventory will determine or affect the smoothness of the production process as well as the effectiveness and efficiency of the company. PT Semen Padang is a manufacturing company that produces 10,400,000 tons of cement per year. The achievement of the cement production target at this company depends on the availability of raw materials needed in the cement production process itself. Gypsum is an additional material of the cement production process which is very important because it is a raw material that must exist in the process of making cement. So, if the inventory of gypsum cannot meet the needs of production, then the production process of cement making will be disrupted. PT Semen Padang is using the Min-Max method for inventory control. But the costs are quite high. The cost of inventory can be minimized by using another method such as EOQ (Economic Order Quantity). The conclusions of this research are in 2016 by using EOQ method, the optimal order quantity is 32,073 ton per order, and the frequency is 9 times in a year with total cost Rp. 4,757,673,813.48, and in 2017, the optimal order quantity is 34,856 tons per order and the frequency is 9 times in a year with total cost Rp. 9,694,805,608.36.
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| format | Article |
| id | doaj-art-fb8d8c4349764b228fb72ccaaabeafa0 |
| institution | DOAJ |
| issn | 2088-4842 2442-8795 |
| language | English |
| publishDate | 2019-10-01 |
| publisher | Universitas Andalas |
| record_format | Article |
| series | Jurnal Optimasi Sistem Industri |
| spelling | doaj-art-fb8d8c4349764b228fb72ccaaabeafa02025-08-20T02:47:38ZengUniversitas AndalasJurnal Optimasi Sistem Industri2088-48422442-87952019-10-0118210.25077/josi.v18.n2.p116-124.2019Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen PadangPrima Fithri0Alizar Hasan1Fadhita Maisa Asri2Universitas AndalasUniversitas AndalasUniversitas Andalas Inventory control is a very important issue. It is because the amount of inventory will determine or affect the smoothness of the production process as well as the effectiveness and efficiency of the company. PT Semen Padang is a manufacturing company that produces 10,400,000 tons of cement per year. The achievement of the cement production target at this company depends on the availability of raw materials needed in the cement production process itself. Gypsum is an additional material of the cement production process which is very important because it is a raw material that must exist in the process of making cement. So, if the inventory of gypsum cannot meet the needs of production, then the production process of cement making will be disrupted. PT Semen Padang is using the Min-Max method for inventory control. But the costs are quite high. The cost of inventory can be minimized by using another method such as EOQ (Economic Order Quantity). The conclusions of this research are in 2016 by using EOQ method, the optimal order quantity is 32,073 ton per order, and the frequency is 9 times in a year with total cost Rp. 4,757,673,813.48, and in 2017, the optimal order quantity is 34,856 tons per order and the frequency is 9 times in a year with total cost Rp. 9,694,805,608.36. https://josi.ft.unand.ac.id/index.php/josi/article/view/162PT Semen Padanginventory controlEOQcementBulk Material Gypsum |
| spellingShingle | Prima Fithri Alizar Hasan Fadhita Maisa Asri Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen Padang Jurnal Optimasi Sistem Industri PT Semen Padang inventory control EOQ cement Bulk Material Gypsum |
| title | Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen Padang |
| title_full | Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen Padang |
| title_fullStr | Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen Padang |
| title_full_unstemmed | Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen Padang |
| title_short | Analysis of Inventory Control by Using Economic Order Quantity Model – A Case Study in PT Semen Padang |
| title_sort | analysis of inventory control by using economic order quantity model a case study in pt semen padang |
| topic | PT Semen Padang inventory control EOQ cement Bulk Material Gypsum |
| url | https://josi.ft.unand.ac.id/index.php/josi/article/view/162 |
| work_keys_str_mv | AT primafithri analysisofinventorycontrolbyusingeconomicorderquantitymodelacasestudyinptsemenpadang AT alizarhasan analysisofinventorycontrolbyusingeconomicorderquantitymodelacasestudyinptsemenpadang AT fadhitamaisaasri analysisofinventorycontrolbyusingeconomicorderquantitymodelacasestudyinptsemenpadang |