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IWJ : Inland Waterways Journal
Published by Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang
ISSN : 27233642     EISSN : 27233642     DOI : https://doi.org/10.54249/iwj
Core Subject : Engineering,
Transportation
Inland Waterways Journal (IWJ) is a journal which handled by Inland Water and Ferries Transport Polytechnic of Palembang (Poltektrans SDP Palembang) of record for the towing and barge industry on the inland waterways of the Palembang, Indonesia chiefly the watershed of the Musi River and its tributaries and the Gulf Intracoastal Waterway. Our customers are the barge companies, ports, terminals, fleets, shipyards, refuelers, shippers, suppliers and marine contractors that form the inland waterways transportation industry. Inland Waterways Journal (IWJ) periodically publish two (2) times in April and October. The publication’s wide-ranging news articles provide a window into the people and technology behind a thriving major sector of water and ferries transport in Indonesia especially in Palembang. Topics covered include inland shipyards, lock and dam construction, the Corps of Engineers, dredging news, inland ports and terminals, barge and towboat construction and launches, new technology relating to towboats, and regulations of the Inland Waterways, Environmental Protection Agency, and other federal agencies that affect inland waterways commerce, as well as news about major commodities that travel the waterways, such as grain, coal, steel and fertilizer,etc. Inland Waterways Journal (IWJ) also closely covers the actions of organizations that support waterways interests, including the Waterways Council, the Musi Waterways Operators, National Waterways Conference, Inland Rivers Ports and Terminals, and Transportation Ministry. Editorials in the journal often discuss government regulation as it relates to the rivers and those who use the river for Inland water and ferries transport.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 131 Documents
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Application of Web-Based YOLOv5 Algoritma Detection System to Improve Parking Space (Case Study: Four Wheel Vehicles at Tuban Public Service Mall, East Java) BIANFAAL, AR RADIQO; Susanti, Anita; Widayanti, Ari; Wibisono, R. Endro
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

The application of a detection system using the YOLOv5 algorithm is very important for current parking management with both open and closed parking types. In parking management, there are often problems that cause less effective parking lot management. This purpose research aims to manage the availability of parking lots more effectively by classifying parking slots and displaying rectangles with different color labels and displaying the F1 Convidence Curve to see the accuracy value of the model to be ready for detection. In this research, the model used is YOLOv5 which can detect accurately and quickly using the Python programming language. The model is trained and evaluated and tested to produce a model that has the expected level of accuracy. The detection results display the parking lot availability classification in the form of purple and yellow rectangles. The purple color means that the parking space is occupied and the yellow color means that the parking space is still empty. The detection results are also displayed in real time so that the detection system can be used immediately and continuously. The F1 Convidence value shows 0.87 in all classes so that the model can be considered to have high accuracy in detecting objects in the parking lot.
PENGARUH GAYA KEPEMIMPINAN, LINGKUNGAN KAMPUS DAN KOMUNIKASI INTERAKTIF TERHADAP KEDISIPLINAN TARUNA DI POLTEKTRANS SDP PALEMBANG Fahriza, Deni; Tri Suyantiningsih; Sari Sakarina
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

The purpose this research is to analyze the influence of leadership style, campus environment, and interactive communication on the discipline of cadets at Politeknik Transportasi SDP Palembang. Discipline is a crucial aspect of cadet education, influencing their success in completing the educational program and preparing them to face challenges in the workforce. However, several factors can affect the level of cadet discipline, including leadership style, campus environment conditions, and the quality of interactive communication between cadets and instructors, as well as among the cadets themselves. This research employs a quantitative approach using a survey method involving 174 cadets as respondents. Data were collected through a questionnaire designed based on a Likert scale and analyzed using multiple linear regression to determine the influence of each independent variable on the dependent variable. The results of the study show that leadership style has a significant impact on cadet discipline, where a democratic leadership style tends to enhance discipline. The campus environment is also found to have a significant influence, where a conducive and supportive environment can improve cadet discipline. Additionally, effective interactive communication between cadets and instructors and among the cadets themselves also plays an important role in promoting discipline.
Evaluation of Pontoon Facilities in supporting safe transportation febriansyah, Febriansyah; Kadarsah, Edi; Latuheru, Paulina Mutiara
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

The pontoon pier, which was built in 1984, originally functioned as a place to dock for speedboats. However, since 2017, the pier has been used to berth for larger ships. Unfortunately, the supporting facilities for the pontoon pier, such as fenders and bolders, have not been replaced, which could potentially cause damage to the pier. The analysis used quantitative methods by conducting surveys and direct observation in the field. Based on the results of the analysis, it is necessary to increase the type of fender to a cylindrical fender with dimensions of 300 mm x 150 mm or Type A Fender with the KAF 200 H type of 12 fenders and the addition of Bolders on the front pier to 4 for safety transport.
Optimalisasi Kerja Plunger Fuel Injection Pump Pada Motor Diesel Generator di MV. Sinar Solo Tazani, Afdolludin Afta; Manurung, Erwin Ferry
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

ABSTRAK, Diesel generator adalah suatu pembangkit listrik yang terdiri dari kombinasi Mesin Diesel dengan Generator listrik (alternator) yang berfungsi untuk menghasilkan energi listrik. Kegiatan pengoperasian kapal dapat terganggu apabila penyediaan listrik tidak tersedia dengan baik. Hal ini dapat terjadi karena Diesel Generator yang menggerakkan alternator pada generator listrik tidak berputar dengan baik. Salah satu penyebab hal itu terjadi yaitu karena rusaknya Fuel Injection Pump yang mengakibatkan bahan bakar tidak dikabutkan dengan baik dan akan membuat hasil pembakaran yang tidak sempurna. Metode yang digubakan dalam skripsi ini adalah metode SWOT. SWOT merupakan kependekan dari strength, weakness, opportunities dan Threats. Sesuai dengan panjangannya, metode tersebut dapat melakukan analisis kerja plunger fuel injection pump untuk dapat bekerja secara optimal. Hasil penelitian dengan menggunakan metode SWOT dan berdasar dari pengalaman diatas kapal yang menyebabkan macetnya plunger fuel injection pump adalah karena material pengganggu pada celah antara plunger dengan barrel.
KAJIAN RISIKO OPERASIONAL PENYELENGGARAAN PELABUHAN PENYEBERANGAN DALAM RANGKA MENINGKATKAN KESELAMATAN DAN KEAMANAN PELAYARAN DI PELABUHAN : STUDI KASUS PELABUHAN PENYEBERANGAN MERAK Saputra, Muhammad Hendra; Armyn Machfudiyanto, Rossy; Prakoso, Hananto
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

Pelabuhan penyeberangan merupakan elemen penting dalam sistem transportasi yang berfungsi sebagai jembatan penghubung antara wilayah yang terpisah oleh perairan. Pelabuhan Penyeberangan Merak adalah salah satu pelabuhan strategis di Indonesia yang berperan vital dalam menghubungkan Pulau Jawa dan Sumatera. Tingginya volume penumpang dan kendaraan yang melintasi pelabuhan ini setiap hari memerlukan manajemen risiko yang efektif guna memastikan keselamatan dan keamanan operasional. Namun, beberapa tahun terakhir, terjadi peningkatan signifikan dalam jumlah kecelakaan transportasi penyeberangan, yang sebagian besar disebabkan oleh faktor cuaca dan operasional bongkar muat di dermaga. Berdasarkan data Komisi Nasional Keselamatan Transportasi (KNKT), kurangnya pengawasan dan infrastruktur yang tidak memadai menjadi faktor utama yang menyebabkan kecelakaan di pelabuhan. Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis berbagai risiko operasional yang terjadi di Pelabuhan Penyeberangan Merak serta memberikan rekomendasi dalam rangka meningkatkan keselamatan dan keamanan pelayaran. Dengan menggunakan pendekatan manajemen risiko yang cermat dan sistematis, penelitian ini mengkaji risiko teknis, mekanis, cuaca, dan operasional yang dapat mengganggu kegiatan di pelabuhan. Hasil dari kajian ini diharapkan dapat membantu para pemangku kepentingan untuk memahami berbagai risiko yang ada dan menerapkan langkah-langkah mitigasi yang tepat guna mengurangi potensi kecelakaan dan meningkatkan kinerja operasional di pelabuhan.
Analisis Pengaruh Komitmen Dan Kreativitas Terhadap Capaian Kinerja Karyawan Pada PT. Jui Fa Internasional Foods Hanik, Kumila; Agusima, Dita
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh komitmen dan kreativitas terhadap kinerja karyawan PT Jui Fa Internasional Foods. Jenis penelitian ini menggunakan deskriptif kuantitatif dalam penelitian ini. Pengumpulan data dilakukan melalui kuesioner dengan menggunakan 12 item instrumen yang telah diuji reliabilitasnya. Hasil pengujian menunjukkan nilai Cronbach's Alpha sebesar 0,755 untuk komitmen dan 0,872 untuk kinerja capaian, yang keduanya melebihi ambang batas 0,60, menunjukkan reliabilitas yang tinggi. Uji normalitas melalui Kolmogorov-Smirnov serta pengujian multikolinieritas menunjukkan bahwa data berdistribusi normal dan tidak terjadi multikolinieritas antar variabel bebas. Analisis regresi sederhana menunjukkan bahwa komitmen dan kreativitas memiliki pengaruh positif signifikan terhadap kinerja, selain itu komitmen dan kreativitas bersama-sama mempengaruhi kinerja sebesar 29,3%, sedangkan sisanya dipengaruhi oleh faktor lain seperti lingkungan kerja dan disiplin, dengan pengaruh kreativitas yang lebih dominan.
OPERATIONAL EVALUATION OF CROSSING VESSELS ON THE TANJUNG KALI-TANJUNG API API CROSSING Firzatullah, Raden Muhamad; Ilham, Chairul Insani; Yuda, Dimas Pratama; Puspitasari, Novrianti; Abdul Azis, M. Dadang; Tiofana, Mega Elfi
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

Tanjung Kalian Crossing Port is a port located in West Bangka Regency, Bangka Belitung Islands Province. The crossing transportation service at the Tanjung Kalian Crossing Port is one of the prima donnas for service users because this port is the gateway in and out to South Sumatra Province where it has 14 ships with 9 ships operating every day. The load factor at the Tanjung Kalian Crossing Port has currently reached the maximum limit. However, the operation of ships on this track is not in accordance with the minimum service standards for ship operation and the ideal departure frequency. In order to improve the quality of service and the safety of service users, it is necessary to balance the needs of service users and transportation service providers. The methods used in this study are load factor analysis, analysis of conformity with minimum service standards for ship operation, analysis of ship needs, and scheduling analysis. Based on the results of the analysis of the load factor calculation, it shows that the load factor exceeds the ideal capacity of the ship. The minimum service standards for ship operations have also not been met because the ship's departure time and the average speed of the regular ship are not in accordance with the existing rules. There is a difference in Existing conditions with the results of the analysis of ship needs and optimal ship scheduling so that it is necessary to reschedule according to the needs of service users.
ANALISIS KETIDAKSESUAIAN JUMLAH DATA PENUMPANG DI ATAS KAPAL TERHADAP DATA MANIFEST DI PELABUHAN MERAK PROVINSI BANTEN Febriansyah, Febriansyah; Wibisono, Yohan; Melayu, Donny Afrizal; Panggabean, Yunita; Nabila, Zihan
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

Lintasan Merak – Bakauheni merupakan salah satu lintasan yang ada di Pelabuhan Penyeberangan Merak. Hasil survei di lapangan terus menunjukkan bahwa ada perbedaan jumlah penumpang yang terdaftar pada tiket dan jumlah penumpang yang akan naik ke kapal. Oleh karena itu dilakukan penelitian kualitatif dengan metode penelitian observasi, wawancara dan dokumentasi serta kepustakaan untuk mengetahui penyebab ketidaksesuaian jumlah data penumpang di atas kapal terhadap data manifest. Berdasarkan hasil analisis penelitian menunjukkan bahwa penyebabab utama ketidaksesuaian jumlah data yaitu kurang tertib dan disiplin para pengguna jasa dalam mengisi data diri pada saat pembelian tiket, penggunaan tiket palsu, penumpang gelap, serta ketidaktepatan pembaruan data manifest secara real – time. Sesuai dengan Peraturan Menteri Perhubungan No. 19 Tahun 2020 tentang Penyelenggaraan Angkutan Penyeberangan Secara Elektronik setidaknya para penumpang harus mengisi data diri seperti nama, usia, alamat d123omisili, nomor kartu identitas, surat paspor dan izin mengemudi serta nomor telepon. Penelitian ini menyimpulkan bahwa peningkatan sistem online, pelatihan bagi para petugas, kampanye kesadaran, dan melakukan verifikasi ganda dapat menjadi solusi efektif untuk mengurangi ketidaksesuaian jumlah data penumpang terhadap data manifest, sehungga meningkatkan keselamatan dan efisiensi operasional dalam industri pelayaran.
ANALYSIS OF THE READINESS OF THE IMPLEMENTATION OF THE ONLINE TICEKTING SYSTEM PERCEIVED BY SERVICE USERS AND PORT OFFICERS AT THE MARISA FERRY PORT GORONTALO PROVINCE Sutrisno, Slamet Prasetyo; Triwahyuni, Siti Nurlaili; Surnata, Surnata; Arkani, Hari; Zahara, Zahara
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

Marisa Ferry Port is a port that connects Gorontalo and Central Central Sulawesi. Ticket purchasing process ticket purchase process at Marisa Ferry Port still uses the manual method by queuing and having to wait for a long time at the port counter. at the port counter, because it has not using an online ticketing system. To improve the quality of service in booking tickets to users services, so this research aims to determine the readiness of service users and port officials port officers towards the implementation of an online ticketing system system in the ticket purchasing process at the Marisa Ferry Port, Gorontalo Province. Gorontalo Province. This research uses a quantitative approach with observation, documentation and questionnaire. Data collection was conducted by distributing questionnaires to service users and Marisa Ferry Port officers as respondents to obtain data on the level of readiness of service users and port officers. data on the level of readiness of service users and port officials. Based on the results of the analysis, it is known that the percentage of service user readiness is 93% and the readiness of port officials is 78%, indicating that service users and port officials are already ready. indicates that service users and port officials have fully support the implementation of Ministerial Regulation Ministerial Regulation No. 19 of 2020 to implement an online ticketing system at the Marisa Crossing Port. Marisa Crossing Port. For this reason, port organizers are expected to immediately realize online ticket purchases, prepare supporting facilities for online tickets and socialize to the public regarding changes in the ticket purchase system from manual to online using ferrizy applications and websites.
Evaluasi Kebutuhan Kapal Pada Lintasan Ketapang-Gilimanuk Selama Masa Natal dan Tahun Baru 2024/2025 Tiara, Anisa; Nugroho, Bayu Kusumo; Setiawan, Bambang
IWJ : Inland Waterways Journal Vol. 6 No. 2 (2024): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

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Abstract

Periode Natal dan Tahun Baru merupakan masa liburan yang ditandai dengan lonjakan volume penumpang dan kendaraan di berbagai moda transportasi, termasuk lintasan penyeberangan Ketapang-Gilmanuk yang menghubungkan Pulau Jawa dan Pulau Bali yang menjadikan peran vital bagi mobilitas masyarakat dalam melakukan perjalanan mudik dan liburan. Penelitian ini bertujuan untuk mengevaluasi kebutuhan kapal selama masa Natal dan Tahun Baru 2024/2025 guna memastikan kelancaran pengguna jasa dan menghindari kemacetan, keterlambatan ataupun penumpukan kendaraan yang dapat mengganggu kegiatan operasional. Metodologi penelitian yang digunakan adalah pendekatan kuantitatif dengan metode survei untuk mengumpulkan data primer dan sekunder. Analisis yang digunakan ialah analisis konversi kendaraan kecil, analisis prediksi pertumbuhan kendaraan, analisis frekuensi keberangkatan kapal dan analisis kebutuhan jumlah kapal. Hasil penelitian menunjukkan bahwa pada periode puncak, jumlah kendaraan yang akan menyeberang diperkirakan meningkat secara signifikan dengan estimasi kebutuhan kapal sebanyak 29 kapal/ hari. Penelitian ini memberikan saran yaitu perlu dilakukan pemantauan dan evaluasi berkelanjutan pada jam-jam puncak tertentu seperti penambahan kapal, penyesuaian jadwal dan pemanfaatan teknologi untuk memantau volume kendaraan secara real-time serta koordinasi dan kolaborasi yang baik antar semua pihak terkait.

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