Warehouse Design under Class-Based Storage Policy Based on Entry-Item-Quantity Analysis: A Case Study
Sekarsari Utami Wijaya1), Rahayu Johanna1) , Muhammad Faisal Ibrahim1)
1Department of Logistics Engineering, Universitas Internasional Semen Indonesia, Gresik, Indonesia
1Corresponding author: sekarsari.wijaya@uisi.ac.id
Abstract
In an effort to minimize the impact of unpredictable demand, the company will make an inventory policy. The warehouse as a place for storing goods before being distributed to consumers has an essential role in ensuring supply sustainability in the supply chain system. Many problems occur in the warehouse which causes a decrease in warehouse performance which has an impact on the company's operations. One of the things that play an essential role in increasing the efficiency of warehouse operations is the warehouse layout design. Class-based storage policies are used to regulate the procedures for storing goods into 3 classifications. Classification isobtained based on Pareto's law by considering the level of storage and retrieval activity. Entry-Item-Quantity (EIQ) analysis is an analysis that involves three main factors of logistics distribution, namely, E (Order Entry), I (Item), and Q (Quantity) which is applied to further analyze frequently ordered products, so that it can support the layout warehouse. UD. XYZ is a distributor that sells many kinds of materials for roofs. This study considers determining the number of racks needed by Entry Item Quantity-Class Based Storage analysis. Furthermore, this study will compare the warehouse layout based on IK, IQ, EN, and EQ. It aims to obtain the best improvement in the warehouse layout that has the smallest expected distance. Based on the analysis that has been done, the warehouse shall provide 14 type 1 racks and 13 type 2 racks. The smallest expected distance, the best warehouse layout design.
IQ analysis results in the best warehouse layout design.
Keywords: Class-Based Storage analysis, EIQ analysis, EQ analysis, warehouse.
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