Analisis strategi dan efisiensi persediaan bahan baku di pt xyz

Nababan, Dody Alexander (2019) Analisis strategi dan efisiensi persediaan bahan baku di pt xyz. Masters thesis, Institut Pertanian Bogor.

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Abstract

The level of inventory is one of the factors that greatly affects the production activities in a company. The inventory is obtained from the suppliers that have been appointed by the company based on the criteria desired by the company. The company must be able to maintain good relations with their suppliers so that in the future there will be no problems with the availability of the company's raw materials. It is very important for companies to guarantee the availability of raw materials and also meet the standards of efficiency of raw material inventories. One of the factor that influence the level of company’s efficiency is the result of company forecasting regarding its raw material requirements. PT XYZ so far has been fulfilled the raw material according to the production’s needs but it has not been able to achive inventory efficiency. The purpose of this study is to identify the business and functional strategy of the company in maintaining their relationships with suppliers in fulfilling it’s raw materials. Furthermore, the purpose also to formulate an efficient raw material management policy for PT XYZ and providing alternative solutions in controlling raw materials. First of all, all the raw material is classified by the ABC method. The raw material that classified as type A will be assessed for the level of forecasting errors in the raw material inventory as to see the optimum amount when using the best method of comparison forecasting method. The total costs incurred by the company in one period will be compared with the EOQ method. Safety supplies are also calculated to determine the safety level for each raw material. The results of the study show that the company has few business strategy alternatives, one of which is increasing the efficiency and effectivity of its inventory management. In addition, the company also exercising its functional strategy through type I partnership in a such way, that it’s able to maintain good cooperative relations with the suppliers company. Some of the criteria that must be met by suppliers company include price, lead time, payment tempo, quality and legality of the company. Each raw material has its own supplier, even one raw material there can be supplied by several company. The raw materials used today are classified by the ABC method. Calculation of forecasting errors based on MAD values by comparing company forecasting errors with several methods (quadratic, linear, moving averages, and double exponential smoothing). There are four types of raw materials for 2016 which have a lower error value (using the company method) than the comparison method. Whereas for 2017 only one type of raw material has a smaller error value (using the company method) than other comparison methods. Based on the best method, then forecasting is calculated for 2018 and the sum of the results of the comparison of the calculation of total costs using the company method and research method, shows a comparison of the total costs for data in 2016 and 2017. The use of the safety stock method is very important to prevent the occurance of running out of raw materials. Based on the efficiency of the total costs that have been produced so far, it shows that the use of safety stock has not been well considered by the company. The ordering system carried out by the company has also not provided a positive influence on the efficiency of the company in fulfilling raw materials.

Item Type: Thesis (Masters)
Uncontrolled Keywords: ABC, EOQ, peramalan, sediaan, Analisis SWOT ABC, EOQ, forecasting, stock.
Subjects: Manajemen Produksi dan Operasi
Depositing User: SB-IPB Library
Date Deposited: 18 Jun 2019 04:34
Last Modified: 18 Jun 2019 04:34
URI: http://repository.sb.ipb.ac.id/id/eprint/3360

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