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Journal : Serambi Engineering

Evaluasi dan Optimalisasi Durasi Pelaksanaan System Test Menggunakan Metode Critical Path Method dengan Software POM-QM di PT. XYZ , Rafael Adhi Wicaksono; M. Tutuk Safirin
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Project management is a critical element in ensuring the smooth execution of tasks within the planned timeframe, budget and quality. In the maritime industry, one of the major challenges is to manage the complexity of production phases that involve numerous activities and dependencies. This study aims to analyse and optimise the duration of the electrical and electronic outfitting phase in the Type B ship project at PT. XYZ using the Critical Path Method (CPM) supported by the POM-QM for Windows software. The results show that the application of CPM successfully identified the critical activity path, namely A-B-D-F-H, and reduced the project duration from 128 days to 89 days, achieving a time efficiency of 39 days. This optimisation significantly reduces the potential for operational cost overruns without compromising the quality of the work. This study highlights the importance of data-driven project planning to minimise delays and improve resource efficiency. As a recommendation, CPM and supporting tools such as POM-QM can be more widely implemented on similar projects in the maritime industry to improve productivity and overall project sustainability.
Optimalisasi Alur Kerja Pengambilan Material Processor dengan Metode Lean Manufacturing Pada PT. XYZ Erzon, Elvi Anggino; Mochammad Tutuk Safirin
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

A company's warehousing has a significant impact on the smooth flow of materials, both in storage and in distribution. An effective warehousing system ensures that materials are available on time and in the required condition. The implementation of lean manufacturing in warehouse management aims to reduce waste and improve operational efficiency. This study was conducted in the warehouse of PT XYZ, which was facing challenges in the material picking workflow due to sub-optimal storage layouts. The methods used included initial workflow analysis, waste identification and the application of lean manufacturing strategies such as storage centralisation and layout optimisation. The results showed that this approach successfully reduced material retrieval time from 12 minutes to 8 minutes and travel distance from 173 metres to 115 metres. In addition, storage space requirements were minimised by freeing up several racks for other materials. The implementation of Lean Manufacturing has significantly improved PT XYZ's warehouse productivity by creating a more efficient and organised workflow.