As'Ari, M. Husin (2026) ANALISIS PEMBOROSAN ALIRAN PROSES PERGUDANGAN DENGAN METODE LEAN WAREHOUSING DAN 5S DI PT OXYPLAST INDONESIA PASURUAN. Undergraduate thesis, Universitas Pembangunan Nasional "Veteran" Jawa Timur.
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Abstract
PT Oxyplast Indonesia Pasuruan is a manufacturing company that utilizes various types of raw materials to support its production processes, all of which are stored and managed in the raw material warehouse. Warehouse activities, including receiving, storage, and material issuance, play a crucial role in ensuring the continuity of production. However, the high intensity and complexity of warehouse operations have led to various forms of waste that increase process time and reduce the efficiency of material flow. The initial condition showed a total warehouse process time of 12.580,2 seconds, which was dominated by Necessary Non-Value Added and Non-Value Added activities. Therefore, this study aims to identify the types of waste occurring in the raw material warehouse process flow and to propose improvement actions using the Lean Warehousing metode. The analysis was conducted using Value Stream Mapping to identify activity categories and process flow times before and after improvements, supported by Process Activity Mapping and fishbone diagram analysis. The resu;lts indicate that eight types of waste were identified, namely Searching Time, Motion Waste, Transportation, Excessive Processing, Non-Utilized Employee, Waiting, Inventory Excess, and Defect. Based on the proposed improvements, the number of warehouse process activities was reduced from 29 to 23 activities, the total lead time decreased from 12.580,2 seconds to 10.944,8 seconds, all Non-Value Added activities were successfully eliminated, and increase Process Cycle Efficiency (PCE) by 1,75% with initial PCE of 11,70% and proposal PCE of 13,45%. These results demonstrate that the implementation of Lean Warehousing can improve the efficiency of raw material warehouse process flow at PT Oxyplast Indonesia Pasuruan. Keywords: Lean Warehousing, Process Efficiency, Raw Material Warehouse, Value Stream Mapping, Waste.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | H Social Sciences > HD Industries. Land use. Labor > HD28 Management. Industrial Management T Technology > T Technology (General) > T55.4-60.8 Industrial engineering. Management engineering T Technology > TS Manufactures > TS 155-194 Production Management, Operations Management T Technology > TS Manufactures > TS 180-TS180.8 Material Handling |
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| Divisions: | Faculty of Engineering > Departement of Industrial Engineering | ||||||||
| Depositing User: | M. Husin As Ari | ||||||||
| Date Deposited: | 24 Feb 2026 04:47 | ||||||||
| Last Modified: | 24 Feb 2026 05:51 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/49706 |
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