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All Journal JURNAL ILMIAH PLATAX
Pamikiran, Revols Dolfi Ch
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Study of Planned Maintenance System Senior Admiral John Lie’s Training Ship on Shipping Safety Ansar, Azhar Ariansyah; Luasunaung, Alfret; Sumilat, Deiske Adeliene; Pamikiran, Revols Dolfi Ch; Kaparang , Frangky Erens; Onibala, Hens
Jurnal Ilmiah Platax Vol. 11 No. 2 (2023): ISSUE JULY-DECEMBER 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v11i2.48973

Abstract

The implementation of the ship maintenance management system on Rear Admiral Jhon Lie's training ship did not run optimally, which impacted the less-than-optimal condition of various training ship equipment because the crew did not carry out the ship maintenance system according to the procedure, resulting in the incident that the ship's anchor winch operation did not function optimally when the ship was anchored in Belang Port, Southeast Minahasa. This study aims to identify and analyze the positive and significant effect of the planned maintenance system on shipping safety. The primary data collection methods used in this study were questionnaires and interviews. In this study, data processing and presentation were in the form of diagrams and path analysis with structural equation modeling (SEM-PLS) using SmartPLS. From the results of the data analysis, the R-square value of shipping safety (Y) is 0.307, which means that the planned maintenance system (X1) and ship maintenance (X2) can affect shipping safety (Y) by 30.7%. Ship maintenance (X2) has a significant effect on sailing safety (Y), with P-values = 0.033 0.05 (hypothesis accepted). The planned maintenance system (X1) has a significant effect on sailing safety (Y), with a P-value of 0.037 0.05 (hypothesis accepted). As a result of the analysis, it was found that the planned maintenance system has a significant effect on shipping safety.
Comcot 1.7 Modeling To Estimate The Maximum Height And Arrival Time Of The Tsunami In Tombariri Sub-District Bakri, Abu; Angmalisang, Ping Astony; Kemer, Kurniati; Patty, Wilhelmina; Pamikiran, Revols Dolfi CH; Taher, Nurmeilita
Jurnal Ilmiah Platax Vol. 13 No. 1 (2025): ISSUE JANUARY-JUNE 2025
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v13i1.57487

Abstract

Tombariri Sub-District is located on the North Coast of the Minahasa Peninsula, directly opposite the North Sulawesi Subduction. North Sulawesi subduction has the potential for earthquakes with a targeted magnitude of M8.5 that can generate tsunamis. In addition, Tombariri Sub-District has a fairly large population density and is located on the coast. This causes the Tombariri Sub-District to be highly vulnerable to tsunami hazards. This study aims to determine the tsunami's estimated maximum height and arrival time. The modeling method in this study is through the Comcot 1.7 application with the worst-case scenario of North Sulawesi Subduction M8.5. The results of this study showed that the maximum height of the tsunami reached 6.17 m. The estimated time of tsunami arrival in Tombariri District ranges from 5-10 minutes. The results of this study can be used as a means of mitigating tsunami disasters. Keywords: Comcot, Tsunami Modeling, Inundation, Numeric Simulation Abstrak Kecamatan Tombariri terletak di wilayah Pesisir Utara Semenanjung Minahasa yang berhadapan langsung dengan Subduksi Sulawesi Utara. Subduksi Sulawesi Utara memiliki potensi gempabumi dengan magnitudo tertarget M8.5 yang dapat membangkitkan tsunami. Selain itu, Kecamatan Tombariri memiliki kepadatan penduduk yang cukup besar dan berada di wilayah pesisir. Hal ini menyebabkan Kecamatan Tombariri memiliki tingkat kerawanan terhadap bahaya tsunami yang tinggi. Penelitian ini bertujuan untuk mengetahui estimasi ketinggian maksimum dan waktu tiba tsunami. Metode pemodelan dalam penelitian ini melalui aplikasi Comcot 1.7 dengan skenario terburuk Subduksi Sulawesi Utara M8,5. Hasil dari penelitian ini menunukkan bahwa tinggi maksimum tsunami mencapai 6,17 m. Estimasi waktu tiba tsunami di Kecamatan tombariri berkisar antara 5 - 10 menit. Hasil dari penelitian ini dapat digunakan sebagai sarana mitigasi bencana tsunami. Kata Kunci : Comcot, Pemodelan tsunami, Simulasi Numerik.