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All Journal Journal of Artificial Intelligence and Digital Business Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Rachmianty, Andi
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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The Analysis of Work Accident Risk in Welding Process for Pipe Repair on Utility Boat PT LSM Rachmianty, Andi; Pragawati, Ni Gusti Ayu Putu Dewi Armay; Ningrat, Andi; Usman, Arif Fudddin; Rusnaedi; Shauqy, Muhammad Azhar
Indonesian Journal of Maritime Technology Vol. 2 No. 2 (2024): Volume 2 Issue 2, December 2024
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v2i2.1263

Abstract

PT LSM is a shipping company committed to focusing on providing integrated maritime services to support the oil & gas industry, PT LSM has a variety of offshore vessels to support these activities. LSM's shipping area is a rig area, where the area has a high level of danger and risk, therefore an adequate ship is needed both in crew and equipment on board. Especially in the piping system on board, if a leak occurs it can cause fatal things such as engine damage to an explosion and can cause work accidents such as fire and death. To minimize work accidents, risk hazard identification and risk control are made in each job, especially in piping work, namely pipe welding using the HIRADC method. This study used a descriptive qualitative method, in which the authors conducted field observations, interviews, and distributed questionnaires. The results of risk hazard identification, risk assessment and risk control will be entered in the HIRADC (Hazard Identification, Risk Assessment, and Determining Control) table. The conclusion of this study is that 43 hazards and 47 risks have been identified in pipe welding work. In the initial control, the low risk level was 42 risks (89.36%), the medium risk level was 5 risks (10.63%), and the high-risk level was 0 risks (0%). After further control of the identified risks, the risk level of medium risk (10.63%) has changed to low risk, so that all risk levels of the LSM Provider's ship pipe welding work have changed to a low risk level with a total of 47 risks (100%)). The controls used in pipe welding work are substitution, administration, and personal protective equipment (PPE).
Effect of Lifting Lug Hole Diameter Size on Strength Performance in Ship Block Lifting Process: English Arifuddin, Andi Mursid Nugraha; Nizam, Syahrul; Pawara, Muhammad Uswah; Sitorus, Chris Jeremy Verian; Rachmianty, Andi; Ningrat, Andi; Baso, Suandar
Indonesian Journal of Maritime Technology Vol. 3 No. 1 (2025): Volume 3 Issue 1, June 2025
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v3i1.8481345

Abstract

The safety of the ship block lifting process is always a serious concern during the assembly of ship blocks. The block/structure and equipment must not be damaged during the lifting process. This study aims to determine the structural response values that occur with various hole diameter sizes of the lifting lug during the ship block lifting process. The object of this research is a ship block from the new construction of the Ferry Ro-Ro 1500 GT. The method used is numerical simulation based on finite element method (FEM) software. The simulation is conducted to obtain the stress and deformation values for each size of the lifting lug. The selected ship block load is the largest ship block load, which is 52,380 tons. The number of lifting lugs used in the simulation is 5, with varying diameters of 53, 58, 63, 68, and 73 cm. Based on the simulation results, the diameter of 63 mm gets the minimum normal and shear stress figures. While the minimum von misses stress figure is shown by the variation of the diameter of 73 mm. While the smallest deformation figure is shown by the variation of the diameter of 53 mm. In general, all variations of lifting lug holes can still be applied with the note that the weight of the load must be considered.
The Influence To Service Quality, Facilities, and Ticket Price on Passenger Satisfaction at PT. Pelni (Persero) Baubau Branch Hasan, Muslihati; Ningrat, Andi; Usman, Arif Fuddin; Fitriah, Rifkah; Rachmianty, andi
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 3 No. 2 (2024): Mei - Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v3i2.1001

Abstract

Sea transportation is the most important means of inter-island connectivity in Indonesia. Companies must try to make customers feel satisfied by providing better offers and services, companies must be able to maintain their market position in the midst of increasing competition. The purpose of this study was to evaluate the variables of service quality, facilities and ticket prices partially on passenger satisfaction at PT. Pelni (Persero) Baubau Branch. Evaluating the quality of services, facilities and ticket prices simultaneously on passenger satisfaction and evaluate which of the three parameters used has the most influence on passenger satisfaction. The data used in this study are primary data obtained by distributing questionnaires to the passengers of PT. Pelni (Persero) Baubau Branch has 50 employees using multiple linear regression analysis techniques. The results showed that Service Quality (X1) had a significant level of 0.013 <0.05. This means that service quality has a positive and significant effect on passenger satisfaction. Facility (X2) has a significant level of 0.012 <0.05. This means that facilities have a positive and significant effect on passenger satisfaction. Ticket prices (x3) have a significant level of 0.019 <0.05. This means that ticket prices have a positive and significant effect on passenger satisfaction.
Co-Authors Arifuddin, Andi Mursid Nugraha Fitriah, Rifkah Hasan, Muslihati M. Uswah Pawara Ningrat, Andi Nizam, Syahrul Pragawati, Ni Gusti Ayu Putu Dewi Armay Rusnaedi Shauqy, Muhammad Azhar Sitorus, Chris Jeremy Verian Suandar Baso Usman, Arif Fudddin Usman, Arif Fuddin