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A Identification of OHS Management System Implementation Using the Fault Tree Analysis Method: Identification of OHS Management System Implementation Using the Fault Tree Analysis Method Marga Raharja, Adyk; Nusyirwan, Deny
Sustainable Vol 12 No 1 (2023): Jurnal Sustainable : Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/sustainable.v12i1.5630

Occupational safety and health (OHS) has a protective function to ensure that workers and other people in the workplace are always in a safe state of good health and safety, and that every source of production must be used and operated in a safe and efficient manner. Law No. 1 of 1970 states that regarding safety in the workplace, workers are entitled to protection for their safety. Research at PT Mega Andalan Kalasan has negative findings including Understanding K3 Regulations, Bad smells in the work environment, PPE problems, occupational diseases (PAK), slippery work floors, access to p3k. these findings fall into the moderate to fatal category

Analisis Kelayakan Pengembangan Wilayah Bintan Timur Sebagai Area Industri Pembuatan Kapal Marga Raharja, Adyk; Nusyirwan, Deny; Ridho Baihaque, Muhd; Apriansyah, Firman; Hekso Yunianto, Anton; Dio, Rafi
Sustainable Vol 13 No 1 (2024): Jurnal Sustainable : Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/zg2nnk61

Penelitian ini bertujuan untuk menemukan lokasi untuk galangan kapal di Bintan Timur yang menyediakan layanan pembuatan kapal baru dengan kedalaman 5 meter dan kapasitas antara 1000 sampai 5000 GT. Dari hasil survei lapangan, dua tempat yang menjadi opsi adalah Desa Galang Batang dan Desa Sungai Enam. Metode Analytical Hierarchy Process (AHP) dipakai untuk mengevaluasi kedua lokasi tersebut berdasarkan kriterianya seperti geografi, infrastruktur, modal, dan pasar. Hasil analisis menunjukkan bahwa Desa Galang Batang mendapatkan nilai lebih tinggi dengan skor 0,82 (82%), dan menurut peraturan pemerintah tentang zona industri, lokasi ini dianggap layak.

Pengaruh Penambahan Bilge Keel Terhadap RAO (Response Amplitude Operator) Kapal Patroli Cepat Baihaque, Muhd Ridho; Nusyirwan, Deny; Marga Raharja, Adyk
Sustainable Vol 13 No 1 (2024): Jurnal Sustainable : Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/kg9qxf63

Maritime transportation plays a vital role in mobility within archipelagic regions, and Fast Patrol Boat are an efficient choice to meet the needs of defence and maritime patrol in Indonesia. The innovation of adding bilge keels to the vessel is expected to enhance the performance of fast patrol vessels. This study aims to identify and evaluate the motions of Fast Patrol Boat to understand their performance under various sea conditions. Fast Patrol Boat operating at high speeds require a responsive pitch motion, making them well-suited for safeguarding Indonesia's archipelagic waters. The analysis results show that patrol Boat equipped with bilge keels perform better in terms of response and manoeuvrability, especially at high speeds, compared to vessels without bilge keels, although for other degrees of freedom such as heave and roll motions, there is no significant difference between the two types of vessels

Conversion of High Speed Landing Craft Boat for Passenger into High Speed Landing Craft Boat for Ambulance Prayetno, Eko; Verandi, Alde Vio; Uzri H.A, Islam; Putra, Risandi Dwirama; Nusyirwan, Deny
International Journal of Marine Engineering Innovation and Research Vol 9, No 2 (2024)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i2.20550

The Riau Archipelago is one of the provinces that geographically consist of 1700 islands surrounded by sea, both small and large, with a percentage of 98% sea and 2% land. So, to support the minimal health facilities on the Riau Archipelago, an Ambulance Boat is needed to mobilize patients to hospitals with better facilities. In this study, it aims to modify the design of the High Speed Landing Craft Boat Passenger to become an Ambulance Boat with a length of 12 m, a width of 3 m, a height of 1.2 m, and a draft of 0.6 m. Then perform technical calculations including hull shape coefficient analysis, stability, seakeeping, resistance, speed, ship power, and Motion Sickness Incidence (MSI) analysis. From MSI analysis with ISO 2631 parameters, the wave heading is divided into 5 sections: 00 (Following Seas), 450 (Stern Quartering Seas), 900 (Beam Seas), 1350 (Bow Quartering Seas), and 1800 (Head Seas). The value MSI is obtained after carrying out a comprehensive analysis, the results are depicted in the MSI chart for sea state 1 calm (0-0.1 m) and sea state 2 smooth (0.1-0.5 m) conditions with the following wave directions, waves coming from the side (beam seas), and waves coming from the front (head seas).

Analisis Kinerja Distribusi dan Marketing dengan Metode Line Balancing Pada Produk UMKM Desa Pengudang Kabupaten Bintan Adyk Marga Raharja; Firman Apriansyah; Eka Suswaini; Muhd Ridho Baihaque; Dwila Sempi Yusiani; Ari Andriyas Puji
Komatika: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 1 (2025): Mei 2025
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat, Institut Informatika Indonesia Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34148/komatika.v5i1.1094

Perajin bambu di UMKM binaan PokDarWis Desa Pengudang Kabupaten Bintan belum memiliki daya jual yang optimal secara menyeluruh. Berdasarkan kondisi di daerah tersebut, pelaku UMKM lebih memilih menerapkan sistem Make-to-Order (MTO). Dalam jangka waktu yang ditentukan, metode tersebut belum menemukan solusi yang optimal. Dengan adanya permasalahan tersebut, perubahan diperlukan dalam penentuan rute logistik untuk mengurangi biaya transportasi. Metode Operation Chart dan Line Balancing dipilih dalam penelitian ini untuk mencapai tujuan optimal dalam implementasi line balancing sehingga setiap stasiun kerja dapat bekerja secara efektif dan efisien. Terdapat peningkatan signifikan dalam jumlah stasiun kerja setelah penelitian ini dilakukan. Setelah menerapkan metode Line Balancing, data Line Efficiency (LE) yang didapatkan adalah 71,94% dari total waktu kerja stasiun. Balance Delay (BD) memiliki nilai sebesar 35%, dan jumlah stasiun kerja yang seimbang adalah 21,46 dari total 40 elemen kerja. Oleh karena itu, perlu dilakukan beban kerja yang adil dari operator dengan menyediakan pekerjaan untuk operator tidak ditempati sehingga semua pekerjaan dapat diselesaikan.

Evaluation of the Success of Transportation Infrastructure Renewal Projects: Case Study of the Jakarta-Bandung High-Speed Train Development Hayati, Amelia; Sulaksana, Rahadi Meta Tri; Wardani, AAA Made Cahaya; Raharja, Adyk Marga
Journal of Renewable Engineering Vol. 2 No. 1 (2025): JORE - February
Publisher : Pt. Anagata Sembagi Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62872/d36tjv51

The development of transportation infrastructure has a multidimensional impact in driving economic growth and regional integration. The Jakarta-Bandung High-Speed Rail project is expected to reduce traffic congestion and improve connectivity and mobility efficiency. However, its success must be assessed not only from the technical aspects and physical completion, but also the effectiveness of public investment, long-term economic impacts, and environmental sustainability. The main challenges of this project include land acquisition, financial uncertainty due to debt-based financing schemes, and integration with other transportation systems. From a social perspective, this project has the potential to drive urbanization around the route, but also poses the risk of development inequality and gentrification. Ecological impacts are also a concern, especially in terms of land degradation and operational energy consumption. This study uses a literature study method with content analysis to evaluate the success of the project based on economic, social, and environmental indicators. The results of the study show that the effectiveness of this project is highly dependent on operational optimization, integration of transportation modes, and the sustainability policies implemented. With transparent governance and appropriate risk mitigation strategies, this project has the potential to provide long-term benefits for economic growth and community welfare, as well as being a model for more inclusive and sustainable transportation infrastructure development in Indonesia.

Evaluation of the Success of Transportation Infrastructure Renewal Projects: Case Study of the Jakarta-Bandung High-Speed Train Development Hayati, Amelia; Sulaksana, Rahadi Meta Tri; Wardani, AAA Made Cahaya; Raharja, Adyk Marga
Journal of Renewable Engineering Vol. 2 No. 1 (2025): JORE - February
Publisher : Pt. Anagata Sembagi Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62872/d36tjv51

The development of transportation infrastructure has a multidimensional impact in driving economic growth and regional integration. The Jakarta-Bandung High-Speed Rail project is expected to reduce traffic congestion and improve connectivity and mobility efficiency. However, its success must be assessed not only from the technical aspects and physical completion, but also the effectiveness of public investment, long-term economic impacts, and environmental sustainability. The main challenges of this project include land acquisition, financial uncertainty due to debt-based financing schemes, and integration with other transportation systems. From a social perspective, this project has the potential to drive urbanization around the route, but also poses the risk of development inequality and gentrification. Ecological impacts are also a concern, especially in terms of land degradation and operational energy consumption. This study uses a literature study method with content analysis to evaluate the success of the project based on economic, social, and environmental indicators. The results of the study show that the effectiveness of this project is highly dependent on operational optimization, integration of transportation modes, and the sustainability policies implemented. With transparent governance and appropriate risk mitigation strategies, this project has the potential to provide long-term benefits for economic growth and community welfare, as well as being a model for more inclusive and sustainable transportation infrastructure development in Indonesia.

Peningkatan Literasi Digital Masyarakat Melalui Program Edukasi Berbasis Teknologi : Pengabdian Fitriani; Cahyo Budi Santoso; Suryati; Adyk Marga Raharja; Rafi Dio
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 4 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 4 Tahun 2026
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i4.5892

Edukasi literasi digital dilaksanakan untuk meningkatkan pemahaman, keterampilan, dan kesadaran masyarakat dalam memanfaatkan teknologi secara bijak dan produktif melalui edukasi, pelatihan, diskusi, dan praktik langsung. Hasilnya menunjukkan peningkatan kemampuan memahami dan mengevaluasi informasi digital, serta kesadaran akan etika dan keamanan, termasuk kehati-hatian dalam menyebarkan informasi dan menjaga data pribadi. Masyarakat juga lebih terampil memanfaatkan teknologi, seperti penggunaan media sosial untuk komunikasi dan promosi usaha. Selain itu, sikap kritis peserta meningkat, ditandai dengan kemampuan menyeleksi dan memverifikasi informasi. Antusiasme belajar teknologi pun semakin tinggi, sehingga secara keseluruhan program ini berkontribusi positif dalam meningkatkan kesiapan masyarakat memanfaatkan teknologi secara bijak, produktif, dan bertanggung jawab di era digital.

Segmentasi Pelanggan Klinik Dokter Hewan Berbasis Algoritma K-Means dan Model RFM Rafi Dio; Meylia Vivi Putri; Dwila Sempi Yusiani; Andikha; Berta Erwin SLAM; Adyk Marga Raharja; Rifaldi Herikson
Jurnal Teknik Ibnu Sina (JT-IBSI) Vol. 10 No. 1 (2025): JT-IBSI (Jurnal Teknik Ibnu Sina)
Publisher : Fakultas Teknik Universitas Ibnu Sina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36352/jt-ibsi.v10i1.1180

This study aims to segment customers of a veterinary clinic using a combination of Recency, Frequency, Monetary (RFM) analysis and the K-Means clustering algorithm. Transactional data from December 2024 to April 2025 were processed to generate key customer features, followed by min-max normalization to ensure comparability across variables. The segmentation was conducted in AI Studio 2025, with cluster quality evaluated using cluster distance performance and Davies-Bouldin Index. The analysis resulted in four distinct customer segments: the majority were passive customers with low transaction frequency and spending, while a smaller group showed high purchasing activity and made a significant economic contribution. This study demonstrates the effectiveness of automated data mining tools in uncovering meaningful customer profiles in a veterinary service context. The results provide a practical basis for targeted marketing, customer retention strategies, and service improvement in veterinary clinics. This approach offers valuable insights for data-driven decision making and represents a novelty for veterinary service management in Indonesia. Keywords: Customer Segmentation, RFM Analysis, K-Means Clustering, Veterinary Clinic, Data Mining.

Pelatihan Teknologi Tepat Guna Hydromodelling di SMK Perkapalan Hang Tuah Tanjung Uban Bintan untuk Mempersiapkan Kepribadian Unggul di Abad 21 Mohd Ridho Baihaque; Adyk Marga Raharja; Firman Apriansyah; Deny Nusyirwan; Eko Prayetno; Anton Hekso Yunianto; Risandi Dwirama Putra
Jurnal Surya Masyarakat Vol 7, No 1 (2024): November 2024
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jsm.7.1.2024.133-144

The suitability of technology can only be assessed in the context of the overall process of social and economic development. Means of assessment include technology assessment where one examines the broad impact of a technology, and socio-economic opportunity analysis where one starts from social needs and looks for technological solutions. The integration and balance of different levels of technology is as important as the selection of individual technologies. Superior Engineers in the 21st Century do not design for the community, but design with the community and enable design by the community. With the right training and education, engineers can help change communities for the better by equipping community members to meet their own needs and implement their own design responses. Higher Education Institutions are present in society and have a very big role in building the nation, Higher Education also occupies a strategic position in making changes in society through the function of transforming Human Resources (HR), Science and Technology (IPTEK) and social through the implementation of Tridharma activities which includes education, research and community service. With this background, the Raja Ali Haji Maritime University Maritime Engineering Study Program carries out Community Service in the form of Appropriate Technology (TTG) training in the form of ship model making training or known as Hydromodelling at the Hang Tuah Tanjung Uban Naval Vocational School, Bintan, Riau Islands. The training stages include introducing maritime insight and technology, explaining ship parts and then providing training related to ship design and production. The training has received a good response from the school and the students showed enthusiasm in carrying out each stage of the training.

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