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All Journal Journal of Artificial Intelligence and Engineering Applications (JAIEA) Jurnal Kendali Teknik dan Sains Serambi Engineering Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Mega Cattleya PA Islami
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Journal : Serambi Engineering

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Simulasi Antrian Shipping Out pada Gudang Multiguna PT XYZ Untuk Optimalisasi Waktu Tunggu dan Peningkatan Distribusi Menggunakan Software ARENA Qolbi Rohim, Ahmed; Mega Cattleya PA Islami
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In the shipping out or delivery service to customers, the loading-unloading process in the warehouse is inevitably linked to queuing. This study discusses how to overcome bottleneck issues during the shipping out process in the warehouse. The research was conducted using a simulation method with ARENA software and queuing theory. The validity test using the Welch Confidence Interval method yielded the result [-26.5714 ≤ μ1 – μ2 ≤ 0.6500], which indicates the data is valid because the value 0 lies within the μ1 – μ2 range. Based on the ARENA output, the Process station to TKBM shows a significantly different utilization rate compared to other workstations, at 0.519160466 or 51.91%. Given this significant difference in availability and performance, an improvement was proposed by adding one more worker for loading-unloading activities. This resulted in a new utilization rate of 0.319951 or 31.99%. This improvement proposal can therefore be considered to reduce queue time.
Analysis of Factors Causing Delays in Ballast Pump Repair Using the Kaiser-Meyer-Olkin and RCA Methods at KM XXX at PT XYZ Febian Rizky Purnama; Mega Cattleya PA Islami
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The shipping sector is a crucial element in a nation's shipping operations, particularly in ensuring the optimal performance of essential components such as ballast pumps. However, the repair time for the ballast pumps on the KM XXX ship at the PT XYZ shipyard often exceeds the initial estimate (seven working days), resulting in financial losses and increased waiting time for the ship at port. This study is designed to identify the main determinants behind the delays in ballast pump repairs and formulate strategic recommendations to optimize maintenance effectiveness. The analytical methods applied include Kaiser-Meyer-Olkin (KMO) for factor analysis and Root Cause Analysis (RCA) supplemented by a Fishbone Diagram to determine the root cause of a problem. By determining the main factors and root causes, this study presents detailed and systematic improvement recommendations. These recommendations are designed to optimize the effectiveness of ballast pump maintenance and mitigate adverse consequences on ship operational performance.
Co-Authors Denaldi Rananda Saputra Dika Yunita Triamanda Febian Rizky Purnama Irma Dani Br Sinulingga Qolbi Rohim, Ahmed Raihan Rahmadianto Rifqi Arfiandi Tri Syahbani Stevani Agatha Yudiantoro