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JURNAL SAINS DAN TEKNOLOGI MARITIM
Published by Universitas Maritim AMNI Semarang
ISSN : 14126826     EISSN : 26232030     DOI : https://doi.org/10.33556/jstm
Core Subject : Science, Engineering,
Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
Jurnal Sains dan Teknologi MARITIM berisi tulisan ilmiah di bidang Kemaritiman, Kepelabuhanan, Ilmu kenautikaan, Teknik Mesin, permesinan kapal. Jurnal Sains dan Teknologi Maritim juga membahas mengenai bidang Transportasi baik itu transportasi darat, laut maupun udara yang kesemuanya merupakan hasil penelitian maupun kajian pustaka.
Arjuna Subject : Umum - Umum
Articles 13 Documents
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Search results for , issue "Vol. 25 No. 1 (2024): September" : 13 Documents clear
PENGARUH KEPEMIMPINAN TRANSFORMASIONAL TERHADAP KESEJAHTERAAN PSIKOLOGIS AWAK KAPAL DALAM ERA DIGITALISASI PELAYARAN Samekto, Agus Aji
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.489

Abstract

This study aims to examine the effect of transformational leadership on the psychological well-being of seafarers, as well as to analyze the moderating role of transformational leadership in the relationship between technostress, a consequence of maritime digitalization, and psychological well-being. Along with the acceleration of digital transformation in the maritime industry, seafarers face new psychological challenges in addition to existing traditional work stressors. This study adopts a quantitative approach with a cross-sectional survey design involving Indonesian seafarers from various types of vessels. Data were collected using three main instruments: the Multifactor Leadership Questionnaire (MLQ) to measure transformational leadership, Ryff's Scales of Psychological Well-being to measure psychological well-being, and the Techno-Stress Scale to measure the level of technology-induced stress. The results of hierarchical multiple regression analysis show that transformational leadership has a positive and significant effect on the psychological well-being of seafarers. Furthermore, the moderation analysis indicates that transformational leadership significantly mitigates the negative impact of technostress on psychological well-being. These findings provide strong practical implications for the shipping industry, emphasizing the urgency of developing transformational leadership competencies for ship officers as a key strategy to maintain the mental health and resilience of seafarers in facing the complexities of the digital era.
ANALISIS TEKNIS DAN EKONOMIS PERANCANGAN PEMBANGUNAN PONTON 2 FUNGSI (SEDOT PASIR DAN EXCAVATOR) DI PERAIRAN AMBON Sujiono, Dinda Frista
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.383

Abstract

Pembangunan Dermaga merupakan sarana dan prasarana infrastruktur pendukung untuk pengembangan wilayah yang dapat mendukung kelancaran frekuensi perdagangan. Dalam pembangunan ini memerlukan alat bantu seperti alat berat excavator dan mesin sedot pasir. Kedua alat berat ini memiliki fungsi yang berirama yaitu pengerukan pasir di sekitar area dermaga, oleh sebab itu alat berat tersebut harus memiliki daya apung agar dapat berfungsi dengan maksimal. Salah satu alat apung yang dapat menopang kedua alat berat tersebut adalah kapal ponton. Kapal ponton ini akan dirancang sesuai permintaan owner requirement dengan mencari ukuran utama kapal menggunakan metode trial and error dengan hasil panjang keseluruhan (LOA) 10,1 meter, lebar (B) 6,6 meter, tinggi (H) 2,0 meter, sarat air (T) 1,0 meter. Kapal ponton ini direncanakan terbagi menjadi 9 segmen terpisah yang terdiri dari 6 segmen berukuran persegi dan 3 segmen berukuran persegi panjang, segmen tersebut akan di gabungkan menggunakan mur dan baut untuk menjadi satu kesatuan. Dimana untuk pengoperassian alat berat excavator membutuhkan 9 segmen sedangkan pengoperasian mesin sedot pasir hanya membutuhkan 4 segmen persegi. Sehingga kedua fungsi tersebut tidak dapat digunakan dalam waktu yang bersamaan. Perencanaan model ponton ini menggunakan Maxsurf Modeller yang dapat menghasilkan data karakteristik dan menghasilkan displacement yang mampu memuat berat konstruksi dan Excavator PC200. Perhitungan konstruksi dilakukan untuk mendapatkan nilai berat ponton dengan hasil total berat 21.293 ton sebagai data penunjang yakni perhitungan stabilitas menggunakan Maxsurf Stability. Analisa stabilitas menggunakan peraturan International Maritime Organization (IMO) dengan kriteria A.749 (18) dengan hasil kriteria terpenuhi secara regulasi. Dari hasil perhitungan kebutuhan material kapal ponton ini dapat di estimasikan biaya produksi mencapai Rp Rp. 468.973.600
MENGOPTIMALKAN PERAWATAN WASTE OIL INCENERATOR UNTUK PEMBAKARAN MINYAK KOTOR DI ATAS KAPAL Sumali, Bambang; Diyatmiko, Fadli; Sabila, Qhattrunnada Priwidia; Ahmed, Gibraltar Priwidia
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.408

Abstract

In accordance with the provisions and regulations in Marpol 73/78 concerning regulations for preventing marine pollution. And Marpol 73/78 Annex III regarding burning oil and waste using a Waste Oil Incinerator, requires knowledge, ability and responsibility for handling it. This world is always developing in the field of waste processing, especially those originating from ships, generally from the Engine Room, so it is better for ships to be equipped with Waste Oil Incinerator, which is a tool commonly used to burn dirty oil and other rubbish and debris on ships that can be burned. Considering its very important role on ships, the Waste Oil Incinerator is very useful and is very important equipment in efforts to prevent pollution at sea. Therefore, maintenance of the Incinerator must be carried out. With routine maintenance and repairs and in accordance with correct maintenance planning, it will provide large economic benefits for the company and participate in preserving marine ecosystems and the marine environment. However, in its implementation, errors often occur which cause a decrease in the quality of the Waste Oil Incinerator, thus damaging the marine ecosystem due to several things as follows: 1) TheWaste Oil Incinerator does not work optimally 2) Lack of maintenance of the Main Burner Incinerator on board the ship 3) Lack of maintenance on the Waste Oil Incinerator 4) Operation of the Waste Oil Incinerator not in accordance with the instructions manual.
DAMPAK MANAGEMEN PADA RANTAI PASOK TERHADAP KINERJA KEBERLANJUTAN EKONOMI, KINERJA KELESTARIAN LINGKUNGAN DAN KINERJA KEBERLANJUTAN SOSIAL PT KRAKATAU STEEL (PERSERO) TBK Kurniawan, Dana Rizky; Mahestri, Nabila Anibka; Maylawati, Windi; Rustandi, Tata
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.409

Abstract

In the last decades, several environmental problems have increased. Therefore, many companies are currently paying attention to environmental issues. Attention is not only to the production process but to all activities including maintaining a green pattern in every construction activity. This research uses the Green Supply Chain Operation Reference method to evaluate the performance of green supply chain management in steel companies. This research aims to determine the factors that influence productivitylevels and improvement efforts by considering environmental performance indicators. The main activities that come out of the literature are: green operations, green design, green manufacturing, logistics flows, and waste management. The discussion also covers key drivers of green initiatives including government compliance, customer improvement and community relations. Innovations implemented in the future are able to result in business improvements for the Company through predetermined stages.
PENGARUH OVERHEATING TERHADAP TERJADINYA DISTORSI DAN HASIL RT PADA PENGELASAN GTAW UNTUK MATERIAL SOLID INCONEL UNS N06625 Aran, Mikhael Milang; Susilo, Trisno; Hilmy, Zakwan
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.410

Abstract

WPS has several parameters that determine heat input. This research was conducted to determine the welding results when the heat input used exceeds the value specified in the WPS used in the field. The research was carried out on 3 samples that have the same dimensions, namely 2" diameter with a thickness of 5.54 mm. The research method used was quantitative experimental. The weld results are checked visuallythen continued with the NDT process in the form of RT. At each increase in heat input, there is a distortion of 4 mm and 1 number of RT weld defects in the heat input more than 10% WPS, distortion of 6 mm and 2 number of weld defects in the heat input more than 20% WPS, distortion 8 mm and 3 number of weld defects in the heat input more than 30 % WPS. The T test results show that overheating influences the occurance of distortion and RT results in GTAW welding. From the research results, it can be concluded that the higher the heat input used in the GTAW welding process for Inconel UNS N06625 material, the higher the distortion and number of weld defects in the welding results.
ANALISIS PERAWATAN DAN KESELAMATAN KAPAL TERHADAP KESEJAHTERAAN NELAYAN Wahyuni, Eni Tri; Rubiyanto, Aan; Widodo, B.L Hentri
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.411

Abstract

Fishermen's lives are less prosperous, this is due to uncertain income and operational costs in shipping and ship maintenance. The aim of this research is to analyze the welfare of fishermen in Gempol Sewu Village, Kec. Rowosari, Kendal Regency. The method used in this research is a qualitative method, with this qualitative method you can find out directly what things influence the income and welfare of fishermen by conducting interviews with fishermen in the Gempol Sewu area. The information in thisresearch is fishermen in Gempol Sewu Village who are represented by several fishermen in the area. Based on interviews and literature studies conducted, it can be concluded that the lack of welfare of fishermen is caused by several main factors. First of all, the cost of boat maintenance and safety while sailing are crucial factors that put financial pressure on fishermen. Efforts to ensure vessels remain in good condition andmaintain safety while sailing require significant investment, which may be difficult for most fishermen to afford. Concrete steps such as providing skills training programs, easy access to capital at low interest rates, and the formation of fishermen's cooperatives can be a solution to improve the welfare of fishermen and open up opportunities for them to develop businesses other than being fishermen. In this way, it is hoped that fishermen can have a more economically sustainable alternative and improve their overall standard of living.
PROSES PELAKSANAAN DAN PERAWATAN KAPAL MENGGUNAKAN METODE SANDBLASTING PADA GALANGAN KAPAL PT BATAM MARINA SHIPYARD Suryaningsih, Encis Indah; NG, Elvern Andrisen
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.412

Abstract

Very corrosive and damaging sea conditions cause the hulls of sailing ships to easily corrode or become damaged, especially the lower hulls of ships which are in direct contact with sea water on a continuous basis. Therefore, maintenance and painting must be carried out to avoid work accidents on ships because it is possible that rusting can cause the ship's hull plates to become brittle. To minimize the occurrence of these things, it is necessary to carry out routine maintenance. One method used to maintain/improve the condition of the ship, especially the parts of the ship's hull that are affected by corrosion, is to use the sandblasting method to create a profile on the metal surface of the ship's hull or other parts. Sanblasting is also the first step in carrying out ship maintenance so that when painting or coating the paint it can stick better and make the repair results more optimal and of better quality.
PELAKSANAAN BUNKER MT CROWN FORTUNE DI PERAIRAN SINGAPORE Herdiga, Fauzi
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.413

Abstract

Sea transportation is currently developing very rapidly, ships as a means of sea transportation play an important role in smooth, safe and appropriate transportation Ships carrying liquid cargo are generally referred to as tankers, several types of tanker cargo are premium, diesel, Pertamax, aftermarket kerosene, fuel oil, gas oil. For this reason, handling cargo on tankers really requires expertise, accuracy and good cooperation from the entire ship's crew. Method is descriptive and qualitative, researcher use observation, interview as well documentation (triangulation) in data collection. Researcher collect data at once test data validity with do interview with sources, method This used for analyze causative factors can’t be optimal security payload containers The results of this research are the implementation of MT CrownFortune Bunker in Singapore waters which aims to avoid incidents during the implementation of Bunker in Singapore waters. The implementation of Bunker on the MT Crown Fortune ship has several obstacles, including a lack of understanding by the crew regarding the procedures for carrying out Bunker, a lack of coordination between crew members before the Bunker begins, a lack of communication between the crew members of the MT Crown Fortune and the crew members of the ship that is being bunkered. Handling incident prevention during Bunker is by familiarizing yourself with Bunker procedures and holding a safety meeting before carrying out Bunker.
PENYELESAIAN KLAIM ASURANSI KAPAL BERBENDERA INDONESIA TERHADAP PERJANJIAN ASURANSI YANG DISEPAKTI TUNDUK PADA HUKUM INGGRIS BERDASARKAN PENGADILAN INDONESIA Tazani, Afdolludin Afta; Utomo, Agus Prabowo Dany; Putra, Vika Achmad Danny Angga
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.414

Abstract

Risks that often occur in ship shipping can occur due to human error factors, technical factors or natural factors (force majeure factors) and other factors. The large number of accidents or incidents that frequently occur can cause a lot of loss and damage and even loss for the owner of the ship and third parties as owners of the goods. As in the case that occurred at PT. AHAP and PT. PM . PT insurance dispute. AHAP and PT.PM occurred because the ship from PT. Which PM is KM. Bayu Prima experienced a fire.This writing aims to describe the process of resolving disputes over Indonesian ship insurance agreements using English law in the Indonesian Courts and to find out the obstacles faced by Indonesian Courts in resolving insurance disputes whose insurance agreements use English law. The method used is the Normative Juridical research type. This type of Normative Juridical research aims to examine statutory regulations related to theoretical concepts. Settlement of disputes over Indonesian Ship InsuranceAgreements Using English Law in Indonesian Courts is very difficult to use because insurance policies use English law, so Indonesian courts do not have the right to decide on sanctions based on the insurance policy in force. The obstacle faced by Indonesian courts in resolving insurance disputes where the insurance agreement uses English law is the use of insurance policy agreements that use English law. Withthe insurance policy agreement using English law, the Indonesian Court does not have full authority to decide disputes, thereby causing harm to PT. AHAP who cannot claim applicable damages.
MENGIDENTIFIKASI KEBAKARAN KMP TRANSHIP I DAN LANGKAH PREVENTIF UNTUK MENCEGAH TERJADINYA KEBAKARAN SESUAI INTERNATIONAL SAFETY MANAGEMENT (ISM) CODE yulianto, yulianto; Santoso, Wahyudi
JURNAL SAINS DAN TEKNOLOGI MARITIM Vol. 25 No. 1 (2024): September
Publisher : UNIMAR AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33556/jstm.v25i1.415

Abstract

The fire accident experienced by KMP Tranship I on October 2023, when sailing from Merak Harbor, Banten to Bakauheni Harbor, Lampung Lampung left trauma and bad experiences for the crew and passengers, so the fire that occurred must be identified by the crew regarding causes and methods of control. In preventing fires, there is a need for technical instructions or international regulations as a guide. The aim of this research is to know and identify before and after a fire occurs on a ship to minimizecasualties and the risk of increasing the size of the fire by implementing existing rules appropriately and measurably based on the International Safety Management (ISM) Code. The research method carried out was by exploring several sources in the field including the crew of the KMP Tranship I ship, the South Lampung Police Port Sector Unit (KSKP), River, Lake and Ferry Transport (ASDP) and the Fire Brigade (Damkar) team. including field observations regarding fires, and literacy from various books. The results of the research are that by implementing the International Safety Management (ISM) Code standards, continuously and well controlled, the ship's crew will be able to assess the risk (risk assessment) of each ship accident, including ship fires and losses experienced by the ship.

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