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Journal : JURNAL CITRA WIDYA EDUKASI

Formulasi Model Safety Stock dan Reorder Point untuk Berbagai Kondisi Persediaan Material M Hudori
JURNAL CITRA WIDYA EDUKASI Vol 10 No 3 (2018): JCWE Edisi Desember 2018
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

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Abstract

Inventory is an asset, but inventory is an low liquidity asset. Inventory of material (raw material, spare parts, consumables, etc.) requires special handling techniques that are different from the techniques of work in process or finished goods, because the material supply comes from suppliers who are outside the company's environment, it can be deterministic or probabilistic/ stochastic, so that requires different handling techniques. The parameters that must be considered in handling material inventories, such as the level of demand and leadtime generally variable because they are influenced by external conditions that are beyond the control of the company. This research is an analytical study based on literature review which aims to formulate a model of inventory control, especially safety stock and reorder point by taking into account both fixed and variable demand and leadtime parameters. Description of conditions is needed to obtain a model formulation that is suitable for these conditions. Model testing is done using artificial data. The result of the study were in the form of a safety stock and reorder point formula. The result of the study indicate that the formula for determining the level of safety stock and reorder point has a variety of models according to their respective condition, so that the condition needs to be identified first before determining the appropriate model to use. If the company wants to reduce its inventory level, the company must control the demand and the leadtime.
Perbaikan Proses Pembuatan PDO untuk Mencegah Terjadinya Keterlambatan Pembayaran Upah Karyawan Menggunakan Metode Value Stream Mapping M Hudori; . Arfadila
JURNAL CITRA WIDYA EDUKASI Vol 11 No 1 (2019): JCWE Edisi April 2019
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

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Abstract

A palm oil plantation company often experiences late payment of wages. This happens because in the Operational Fund Request (PDO) creating process, which start from the input of document on the realization of work in the field up to the payment of wages, it does not run according to the specified time. The purpose of this research was to propose an improvement in the PDO creating process to prevent late payment of wages using the Value Stream Mapping (VSM) method. This research was conducted on February 20th – May 27th, 2017 at a palm oil plantation company in Central Sulawesi. Data processing is carried out by the step of using the value stream mapping principle. The result showed that the proposed improvement using value stream mapping (VSM) is to create a future state map which is a concept of improvement in the PDO creating process up to the payment of wages for harvesting employees by eliminating wastes in the current state map is a waiting/delay time.