<![CDATA[This study aims to optimize the material storage layout atthe Jajar Warehouse of the Logistics Section of PT PLN(Persero) UP3 Surakarta by applying the Class-BasedStorage (CBS) method based on ABC Analysis. The existingwarehouse layout was not organized according to materialmovement frequency, resulting in long picking distances,inefficient retrieval processes, and increased operationaltime. The research employed a quantitative descriptiveapproach using material movement data collected fromJanuary to December 2024. Initially, ABC Analysis wasconducted to classify 129 material types into threecategories based on movement frequency. Theclassification results were then used as the basis fordesigning a new storage layout using the Class-BasedStorage method, where fast-moving materials were placedcloser to the warehouse input/output area. Theeffectiveness of the proposed layout was evaluated bycomparing the total picking distance before and afterimplementation. The results indicate that the proposedlayout reduced the total picking distance from 41,074,213meters to 25,199,026 meters, representing a reduction of15,875,193 meters (38.65%). These findings demonstratethat the integration of ABC Analysis and Class-BasedStorage significantly improves warehouse operationalefficiency by minimizing material travel distance andenhancing the material retrieval process.]]>
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