OPTIMIZATION OF MATERIAL STORAGE LAYOUTUSING THE CLASS-BASED STORAGE METHODAT PT PLN (PERSERO) UP3 SURAKARTA
DOI:
https://doi.org/10.47701/tgwv6k60Keywords:
Warehouse Layout Optimization, ABC Analysis, Class Based Storage, Picking Distance, Warehouse ManagementAbstract
This study aims to optimize the material storage layout at
the Jajar Warehouse of the Logistics Section of PT PLN
(Persero) UP3 Surakarta by applying the Class-Based
Storage (CBS) method based on ABC Analysis. The existing
warehouse layout was not organized according to material
movement frequency, resulting in long picking distances,
inefficient retrieval processes, and increased operational
time. The research employed a quantitative descriptive
approach using material movement data collected from
January to December 2024. Initially, ABC Analysis was
conducted to classify 129 material types into three
categories based on movement frequency. The
classification results were then used as the basis for
designing a new storage layout using the Class-Based
Storage method, where fast-moving materials were placed
closer to the warehouse input/output area. The
effectiveness of the proposed layout was evaluated by
comparing the total picking distance before and after
implementation. The results indicate that the proposed
layout reduced the total picking distance from 41,074,213
meters to 25,199,026 meters, representing a reduction of
15,875,193 meters (38.65%). These findings demonstrate
that the integration of ABC Analysis and Class-Based
Storage significantly improves warehouse operational
efficiency by minimizing material travel distance and
enhancing the material retrieval process.
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