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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Prosiding Semnastek Majalah Ilmiah MOMENTUM INOVTEK POLBENG Infotekmesin Jurnal Teknik Elektro Uniba (JTE Uniba) DEVICE Jurnal Pengabdian Kepada Masyarakat Abdi Putra Jurnal Maritim Polimarin JURNAL SAINS DAN TEKNOLOGI MARITIM INCOME: Indonesian Journal of Community Service and Engagement Indonesian Research Journal on Education Kolaborasi: Jurnal Hasil Kegiatan Kolaborasi Pengabdian Masyarakat Multidisciplinary Indonesian Center Journal
Noviarianto, Noviarianto
Politeknik Maritim Negeri Indonesia
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Analisa Keselamatan dan Kesehatan Kerja pada Proses Pemuatan Crude Oil di Single Buoy Mooring Tuban Marine Terminal Janes Ginting, Harjun; Noviarianto, Noviarianto; Bayu Wantoro, Widar
Jurnal Maritim Polimarin Vol. 9 No. 2 (2023)
Publisher : PPPM Polimarin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52492/jmp.v9i2.107

Abstract

Single Buoy Mooring (SBM) is a means for mooring tankers to carry out loading or unloading operations through SBM located on the high seas. SBM serves to facilitate loading or unloading crude oil by connecting the installation on land through pipes connected to the SBM system on the high seas. The thing that is considered so that the mooring process runs safely is by minimizing the factors and hazards that cause the mooring process to be hampered. the danger at the time of loading at SBM is during the process of mooring the ship and the danger of H2S gas contained in curde oil. During the loading of crude oil, the cargo must always be checked for H2S gas levels in crude oil, this gas is quite dangerous when exposed directly to H2S gas. It can cause loss of smell, eye irritation, shortness of breath, unconsciousness and death. This thesis research method is a qualitative descriptive method by analyzing the problem using Hazard Identification, Risk Assessment, Risk Control (HIRARC).
Efektivitas Penerapan Standart Operating Procedure Melalui Seleksi Penggunaan Peralatan Bongkar Muat dan Alat Transportasi Pendukung di Pelabuhan Tanjung Emas, Semarang Dwi Retnandari, Septina; Khaeroman, Khaeroman; Noviarianto, Noviarianto; Ilham Putranto, Angga
Jurnal Maritim Polimarin Vol. 10 No. 1 (2024)
Publisher : PPPM Polimarin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52492/jmp.v10i1.114

Abstract

Research on the effectiveness of the implementation of Standard Operating Procedure (SOP) at Tanjung Emas Port, Semarang aims to find out how to improve the effectiveness of loading and unloading activities related to the selection of loading and unloading equipment and supporting transportation equipment. In addition, it also aims to determine supporting factors, inhibiting factors, strategies and the company's role in improving the effectiveness of the implementation of applicable SOP. As qualitative research with descriptive methods, data obtained from observation, interviews with respondents and keyperson, and documentary evidence. The results of this research are majority of companies who conduct loading and unloading products use appropriate and adequate supporting transportation equipment in accordance with applicable SOP. It can be concluded that the discipline in applying SOP when selecting loading and unloading equipment give impact to the effectiveness of loading and unloading process. The author suggests to pay attention to the age factor and maintenance of equipment and conduct a feasibility test before loading and unloading equipment is used to minimize risk
Pemetaan Kontur Kebisingan pada Bengkel Praktik (Workshop) Politeknik Maritim Negeri Indonesia Kiswanto, Heri; Putranto, Wahyu Ari; Noviarianto, Noviarianto; Susanto, Susanto; Suyono, Suyono
JURNAL ILMIAH MOMENTUM Vol 20, No 1 (2024)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v20i1.10502

Abstract

Penelitian ini bertujuan untuk menganalisis dan memetakan tingkat kebisingan di bengkel workshop Politeknik Maritim Negeri Indonesia (Polimarin) dan mengidentifikasi area-area yang memerlukan upaya pengendalian kebisingan. Pengukuran kebisingan dilakukan pada beberapa titik di dalam bengkel praktik menggunakan alat pengukur kebisingan (sound level meter). Data tersebut kemudian diolah dengan perangkat lunak Surfer untuk membuat peta kontur tingkat kebisingan di dalam area bengkel. Hasil penelitian mengungkapkan bahwa tingkat kebisingan tertinggi secara signifikan terpusat di sekitar mesin gerinda pemotong logam, yang merupakan sumber utama kebisingan di lingkungan tersebut. Adapun hasil pengukuran menunjukkan bahwa tingkat kebisingan yang diperoleh sebesar 92.53 dB untuk pengukuran pukul 09.00 WIB; 92.07 dB pada pengukuran jam 11.00 WIB; dan sebesar 92.01 dB untuk pengukuran pada jam 14.00. Dengan memahami pola kebisingan ini, rekomendasi dan langkah-langkah mitigasi diajukan, termasuk penggantian peralatan, perbaikan isolasi suara, perubahan dalam penjadwalan pekerjaan, serta edukasi dan pelatihan. Penelitian ini memberikan dasar yang kuat untuk mengelola dan memahami kebisingan di bengkel praktik, dengan harapan menjadikannya lingkungan yang lebih aman dan nyaman bagi semua yang berinteraksi di dalamnya.
Analisa Pengaruh Main Pressure Tank Cellar dalam Proses Discharge Semen di MV. Cepat Hidayat, Ihsan; Anwar, Amthori; Noviarianto, Noviarianto
Jurnal Maritim Polimarin Vol. 10 No. 2 (2024)
Publisher : PPPM Polimarin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52492/jmp.v10i2.124

Abstract

Discharge activities on a cement vessel can’t be separated from the discharge pneumatic system, because the bulk cement contained in the cellar tank must be pressurized so that the cement turns into dust and can be unloaded into the land sillo. Failure of the pneumatic system will pose a risk of time delays and losses for the company because it can’t carry out load discharge activities. When the cement discharge activity takes place, there are many problems with the pneumatic system due to the decrease in wind pressure. The purpose of this study was to determine the factors, impacts and efforts made to analyze the effect of main pressure on the cellar tank in the cement discharge process to reduce the risk of delays in cement discharge activities. This study used descriptive qualitative method. Where is described and explained each problem with a detailed explanation. Data collection techniques with the method of observation, interviews with the chief officer and supported by the method of documentation. Damage to the pneumatic valve system causes reduced pressure in the cellar tank to be a factor in the decrease in main pressure. The impact of decreasing main pressure causes cement discharge activities to not be carried out optimally and can even hinder cement discharge activities. The conclusion obtained is that efforts need to be made to improve the skills of the crew on the operation of the pneumatic system and control, routines for the maintenance of the pneumatic system equipment according to the system maintenance plan.
Pengaruh Quenching Terhadap Sifat Mekanik dan Struktur Mikro Baut Connecting Rod Bekas Untuk Alat Gesek FSW Ari Putranto, Wahyu; Khaeroman; Susanto; Herdawan, Deri; Noviarianto
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2531

Abstract

One method of joining soft metals such as aluminum that is widely used is Friction Stir Welding (FSW). The friction tool is a very important part of FSW. Friction tools are usually made from hardened H13 steel. This research aims to make a friction tool from steel connecting rod bolts used in marine diesel engines. The experimental methods used include FSW tool design, heat treatment of the material at a temperature of 900oC followed by a quenching process with water and salt water cooling media, then continued with material testing (chemical composition test, hardness test, and micrographic test). The test results obtained from the chemical composition test show that the connecting rod bolts include AISI 4145 steel material. The highest hardness value obtained from the connecting rod steel in the saltwater quenching process was 52.67 HRC with a martensite phase, as seen from the micrographic test. Used steel connecting rod bolts from marine diesel engines can be used as FSW friction tool material.
KARAKTERISASI MATERIAL BAJA CONNECTING ROD BEKAS SEBAGAI BAHAN PEMBUATAN ALAT GESEK FRICTION STIR WELDING (FSW) Putranto, Wahyu Ari; Susanto, Susanto Susanto; Khaeroman, Khaeroman; Herdawan, Deri; Noviarianto, Noviarianto Noviarianto; Kiswanto, Heri Kiswanto
Device Vol 15 No 1 (2025): Mei
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/device.v15i1.9039

Abstract

Permasalahan umum pengelasan las busur adalah retak saat proses peleburan dan pemadatan, timbulnya porositas, serta hilangnya elemen paduan yang mudah menguap. Penyambungan material lunak dapat dilakukan menggunakan pengelasan aduk gesekan yang disebut Friction Stir Welding (FSW). Alat pengaduk gesekan (Alat FSW) merupakan komponen penting pada pengelasan FSW. Penelitian ini dilakukan beberapa tahapan dengan tujuan menghasilkan alat FSW untuk material aluminium 5083. Studi dilakukan secara eksperimen mencakup desain alat FSW, perlakuan panas dan pengujian material alat FSW dan pembuatan alat FSW. Material dasar alat FSW yang dibuat menggunakan baut connecting rod bekas dari marine diesel engine. Model alat FSW yang dibuat dengan dua jenis pin (silinder berulir dan kerucut berulir). Alat FSW yang dibuat selanjutnya diberikan perlakuan panas suhu 950oC dan diquenching dengan media pendingin air dan oli. Hasil pengujian komposisi kimia menunjukkan baut connecting rod termasuk jenis baja AISI 4145. Hasil pengujian kekerasan nilainya sebesar 52,5 HRC, dan 51,5 HRC dari quenching media air dan oli. Pengujian struktur mikro material tersebut menunjukkan fasa martensit yang sifatnya keras dari proses quenching semua media pendingin. Penelitian ini menunjukkan bahwa material baut connecting rod bisa digunakan sebagai bahan alat FSW setelah diberi perlakuan panas dan quenching dengan media air.
Optimalisasi Produksi Air Tawar: Identifikasi dan Efisiensi pada Reverse Osmosis Plant di MV Golden Splendor Iqbal Alansyah, Fardian; Oscar, Yulius; Noviarianto, Noviarianto; Nuriyanis, Akhmad
Jurnal Maritim Polimarin Vol. 11 No. 1 (2025)
Publisher : PPPM Polimarin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52492/jmp.v11i1.132

Abstract

The Reverse Osmosis Plant (RO) is a critical system for supplying freshwater on board ships to meet accommodation and operational needs. This study aims to identify the causes of reduced freshwater production in the RO Plant aboard the MT. Golden Splendor and to propose optimization strategies. A qualitative approach was employed through direct observation, interviews with engineering officers, and analysis of logbook data collected during a 12-month sea training period. The findings indicate that the main causes of inefficiency include clogged filters and membranes, leakage in the ejector pump, and inadequate routine maintenance. These issues led to a decline in freshwater production from 1000 liters/hour to 700 liters/hour. After corrective measures such as filter replacement, membrane cleaning, and pump repairs were implemented, production increased back to 1000 liters/hour. The results highlight the importance of scheduled maintenance and system monitoring to ensure optimal RO performance. The study recommends strict adherence to maintenance procedures and enhanced system supervision to improve efficiency and ensure the sustainability of freshwater production on board.
Analisis Rasio Kompresi AC Split R32 yang Diretrofit R290 di Ruang Akomodasi Kapal Ulum, Rizka Noor Miftakhul; Sekti, Irsat Surya; Noviarianto, Noviarianto; Nugroho, Anang Budhi; Supardi, Supardi
Jurnal Maritim Polimarin Vol. 11 No. 1 (2025)
Publisher : PPPM Polimarin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52492/jmp.v11i1.136

Abstract

Air conditioning (AC) systems play a crucial role in maintaining thermal comfort within ship accommodation spaces, especially during operations in tropical climates. However, the use of refrigerants such as R32 raises environmental concerns due to its relatively high Global Warming Potential (GWP). This study aims to analyze the impact of retrofitting 40% by mass of R290 into a 1-HP split AC system originally designed for R32, focusing on the resulting compression ratio and cooling performance. The experimental method involved varying the inlet air temperatures to the evaporator (23°C, 25°C, and 27°C) and condenser (30°C and 35°C). Suction and discharge pressures of the compressor were measured to calculate the compression ratio. The results showed that R32 yielded the highest compression ratio of 3.09 and the lowest at 2.87, while R290 produced a maximum of 2.86 and a minimum of 2.60. These differences reflect the influence of each refrigerant’s thermodynamic properties on compressor operation. R290 demonstrates potential as an environmentally friendly alternative for marine air conditioning systems, although technical adjustments are required to maintain optimal system performance.
Pembuatan Pakan Ikan Pada Kelompok Budidaya Ikan di Ungaran Untuk Mengurangi Biaya Produksi Deri Herdawan; Sri Tutie Rahayu; Susanto Susanto; Widar Bayu Wantoro; Noviarianto Noviarianto; Arif Rakhman Suharso; Wahyu Ari Putranto; Nur Kholis
Kolaborasi : Jurnal Hasil Kegiatan Kolaborasi Pengabdian Masyarakat Vol. 2 No. 2 (2024): Juni : Kolaborasi : Jurnal Hasil Kegiatan Kolaborasi Pengabdian Masyarakat
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/kolaborasi.v2i2.113

Abstract

This community service program is carried out in Beji Village, East Ungaran District, which is around the Indonesian State Maritime Polytechnic campus. This activity is a continuation of the previous service roadmap in the same place where in the previous service activity, making fish food using a pellet molding machine using a petrol motor, this time making fish food using a manual fish pellet molding machine. The aim is to introduce MSME service partners to the fish cultivation group in Beji sub-district about the types of fish pellet molding machines so that they can meet fish feed needs to save production costs. The method for implementing this activity is by providing training by sharing knowledge about the parts of the fish pellet molding machine and the composition of the ingredients that make up good fish feed, followed by the practice of making fish feed using a manual pellet molding machine.
A Mentoring Leadership Skill Bagi Perangkat Desa dan Penggerak PKK, Desa Kemujan Kecamatan Karimunjawa Santoso, Hero Budi; Noviarianto; Rahindra Bayu Kumara; Sri Tutie Rahayu; Prijantono Dillyanto; P. Tony. Kusumartono
INCOME: Indonesian Journal of Community Service and Engagement Vol 2 No 1 (2023)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/income.v2i1.178

Abstract

Leadership is the main point of the development of an organization. Leadership is not only obtained from talent or charismatic nature, but can be obtained by mastering theoretical concepts and training in cultivating leadership. The availability of information, literacy and knowledge about the concept of leadership, as well as case studies of the implementation of leadership in organizations need to be improved, in order to foster a spirit of leadership and open up insight into leadership methods in organizational containers in Kemujang Village, Karimunjawa District, Kab. Jepara. The objectives of the community service activity to increasing knowledge about the principles of management and organizational leadership in Kemujang Village, increasing effectiveness in organizational management so that administrators are able to accommodate activities optimally and increase reference and literacy in the concept of organizational leadership and management. The methods used are presentations/lectures, discussions and case studies to discuss among the participants, as well as training in building leadership, organizational personality, understanding the roles, goals and functions of organizations and caring attitudes towards the community environment. The results of the basic leadership training services carried out by the service team can provide useful knowledge for participants who take part. So that it can be implemented in developing a qualified organization with various programs.
Co-Authors Akhmad Nuriyanis Anwar, Amthori Arif Rakhman Suharso Deri Herdawan Dwi Retnandari, Septina Eka Firmansyah Fransisco Danang Wijaya Heri Kiswanto Hero Budi Santoso Hero Budi Santoso Hidayat, Ihsan Ilham Putranto, Angga Iqbal Alansyah, Fardian Janes Ginting, Harjun Joko Triyono Khaeroman Khaeroman, Khaeroman Kiswanto, Heri Kiswanto Nugroho, Anang Budhi Nur Kholis P Tony Kusumartono P. Tony Kusumartono P. Tony. Kusumartono Prijantono Dillyanto Prijo Harsono Purwanto Rahindra Bayu Kumara Ridwan, Ridwan Rifki Arya Wiguna Santoso, Hero Budi Sekti, Irsat Surya Sri Tutie Rahayu Supardi Supardi SUSANTO Susanto Susanto Susanto Susanto Suyono Suyono Suyono Suyono Tony Kusumartono Tur, Turahyo turahyo, Turahyo Ulum, Rizka Noor Miftakhul Wahyu Ari Putranto Widar Bayu Wantoro Yulius Oscar