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All Journal Journal La Multiapp Serambi Engineering
Aryaduta, Galang
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Analisis Penjadwalan Percepatan Proyek Outfitting Machinery Blok ASA 2A S Pada Pembuatan Kapal A Menggunakan Microsoft Project dengan Precedence Diagram Method di PT. XYZ Aryaduta, Galang; Farida Pulansari
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The shipbuilding project is highly complex, involving multiple phases and interdependent activities with extended durations. One of the main challenges in this project is how to design an effective schedule to minimise the completion time without compromising the quality of work. The objective of this study is to analyse the project acceleration of the Machinery Outfitting of Block ASA 2A S of the A Ship at PT. XYZ using Microsoft Project software and the Precedence Diagram Method (PDM). The research process began with the collection of data on job sequences, activity durations and dependencies between activities. This data was processed using PDM to identify the critical path, which consisted of eight main activities: A, B, D, E, G, H, K and M. Through critical path analysis, rescheduling was carried out to accelerate project completion. The results show that the project duration was successfully reduced from the original plan of 61 days to 54 days, enabling PT. XYZ to complete the machinery outfitting of Block ASA 2A S on the A Ship project by 1 September 2020. This improvement increased time and cost efficiency without compromising project quality. This study demonstrates the effectiveness of using Microsoft Project with PDM to manage complex project schedules.
Risk Mitigation Strategy for CNC Plasma Cutting Machine Damage Using The House of Risk Method and Root Cause Analysis Aryaduta, Galang; Rusindiyanto, Rusindiyanto
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2202

Abstract

PT XYZ as a national strategic industrial company has a high dependence on the reliability of production machines, one of which is the CNC Plasma Cutting machine. Damage problems that occur on the machine can disrupt the smooth production process and pose a significant operational risk. In 2024, this machine experienced 35 breakdowns which resulted in a decrease in plate cutting output from the target of 1560 tons to 1417 tons. This study aims to identify the risk of machine failure and formulate mitigation strategies using the House of Risk (HOR) and Root Cause Analysis (RCA) methods. HOR is used to identify risk events, risk agents, and determine mitigation priorities based on the Aggregate Risk Potential (ARP) value, while RCA is used to find the main root cause of selected risks. The results showed that there were 5 mitigation actions that could potentially increase the cutting output by 8.8%, from 1417 tons to 1542 tons in 12 months. The combination of the HOR and RCA methods provides a comprehensive approach to risk mitigation, supporting the achievement of the slaughter output target.
Co-Authors Farida Pulansari Rusindiyanto