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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Turbo : Jurnal Program Studi Teknik Mesin INOVTEK POLBENG JRST (Jurnal Riset Sains dan Teknologi) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) ALQALAM Jurnal Kelautan Nasional Majalah Ilmiah Pengkajian Industri Specta Journal of Technology EPI International Journal of Engineering Jurnal Penelitian Enjiniring Fakultas Teknik Unhas Jurnal Abdi Insani International Journal of Marine Engineering Innovation and Research International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan JMES: The International Journal of Mechanical Engineering and Sciences Journal of Marine-Earth Science and Technology Maritime Park: Journal Of Maritime Technology and Socienty International Journal of Metacentre PIKAT Riset Sains dan Teknologi Kelautan Jurnal Riset & Teknologi Terapan Kemaritiman Indonesian Journal of Maritime Technology or abbreviated (ISMATECH) Media Elektrik
M. Uswah Pawara
Institut Teknologi Kalimantan
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Experimental Study of Aluminium Joint Plate Between AA5052 with AA5083: Application on Hull Vessel Material Andi Mursid Nugraha Arifuddin; Taufik Hidayat; Muhammad Uswah Pawara; Muhammad Zulkifli
International Journal of Marine Engineering Innovation and Research Vol. 7 No. 2 (2022)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v7i2.5618

Abstract

Generally, the planning of the material arrangement of the aluminum hull plate is always carried out at an early stage to obtain a material formation that has good economic value. One of the strategies used to obtain economic value in shipbuilding is the use of various grades of plate material. The grade of aluminum material that is often used on ships is the 5xxx series. Where this series has many grades that can be used as ship hull material options. The price difference for each grade of aluminum material for ships is a very influential variable on the economic value of shipbuilding. However, before being applied to shipbuilding, it is necessary to test the feasibility of aluminum plate connections with variations in plate grade. The aim is to provide clear information regarding the technical feasibility of selecting material grades. Therefore, in this study, a simulation will be carried out to test the strength of the plate connection with variations in the grade of aluminum material using the experimental method. The plate joint test is carried out using only the Tensile test in the laboratory with reference to the ASTM rules. The grades of aluminum plate materials used are 5052 and 5083. Connection formations are between 5052-5052, 5083-5083, and 5052-5083. From the test results, the largest average yield stress value is 202.34 N/mm2 at the variation 5083-5083, the maximum average ultimate stress value is 261.70 N/mm2 at the variation 5083-5083. For the variation of the 5052-5083 plate connection, it still has a yield stress value that is greater than the basic yield stress of the material, namely 142.97 N/mm2. Where the percentage value of the achievement level of yield strength is 113.6% of the basic yield stress value of the material based on BKI rules. However, in achieving the ultimate stress value, it is still lower than the ultimate basic stress of the BKI rules standard material, which is 193.88 N/mm2. Where the percentage value of the level of ultimate strength achievement is 70.5% of the ultimate basic stress value of the BKI rules standard material.
Assessment of Engine Performance and Emissions Using Palm Oil–Banana Peel Biodiesel Blend in CI Engines Suardi; Faisal Mahmuddin; Chris Jeremy Verian Sitorus; Hariyono; Muhammad Uswah Pawara; Hijriah; Harlian Kustiwansa; Muhammad Zainal
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

The global need for renewable energy has encouraged the use of biodiesel from organic waste as an alternative to hydro-carbon fuels. This study focuses on evaluating the performance of a CI diesel engine using a fuel blend made from palm oil and banana peel oil. The objective is to determine the optimal blend in terms of fuel properties, engine performance, and exhaust emissions. The biodiesel is produced using the transesterification method for palm oil and a heating extraction process for banana peel oil. Engine tests are carried out on a Yanmar TF85-ME single-cylinder diesel engine using three fuel types: B0 (Dex-lite), BBO-30 (30% banana peel oil and biodiesel), and BBO-50 (50% blend). Fuel characterization showed that BBO-50 had the highest viscosity (4.23 cSt) and density (925 kg/m³), while BBO-30 had the highest calorific value (45.1 MJ/kg). Performance testing revealed that BBO-30 achieved the highest torque (7.26 Nm), lowest SFC (367.4 g/kWh), and highest thermal efficiency (22.4%). Emission tests showed that BBO-50 produced the lowest CO and NOx emissions, while BBO-30 had the highest CO2 emis-sion, indicating more complete combustion. Based on these results, BBO-30 is recommended for optimal engine efficiency, while BBO-50 is more suitable for lower emissions.
Design of water Ambulance for Improving Healthcare Services in Mahakam Ulu Regency Chris Jeremy Verian Sitorus; Muhammad Uswah Pawara; Rahmat Hidayat; Hariyono; Harlian Kustiwansa; Alamsyah; Suardi; Muhammad Anjas Syam; Jusma Wahidah; Cindy Lionita Agusty
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

Mahakam Ulu Regency's landscape is dominated by tropical rainforest, with transportation access heavily reliant on river routes. The region is home to 245 rivers, ten of which are classified as major rivers and are distributed across all sub-districts. The Mahakam River serves as the main artery for community activities, including the emergency transport of patients. Nevertheless, serious challenges persist due to limited healthcare infrastructure and inadequate medical transport, which hinder the timely treatment of patients. Currently, there are no water ambulances specifically designed for emergency medical services, leading to delays and increased risks of patient morbidity and mortality.The aim of this study is to develop a water ambulance vessel designed to serve as a dedicated river based medical transport in Mahakam Ulu. A parent ship design approach was applied in the development process. The principal dimensions defined in this study are as follows:Length Overall (LOA): 10.5 m,Beam (B): 3.15 m, Depth (H): 1.35 m, Draft (T): 0.65 m, Service Speed (Vs): 20 knots, Accommodation: 10 crew and passengers. Keywords- Mahakam Ulu, Mahakam River, Water Ambulance, Parent Ship Design
Probability of Deck Wetness and Bottom Slamming due to Height and Wave Directions on Klotok Boat Andi Mursid Nugraha Arifuddin; Silvia Salsa Putri; Muhammad Uswah Pawara; Harlian Kustiwangsa; Jusma Wahidah; Fernanda Wahyu Pratama; Cindy Lionita Agusty
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 4 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i4

Abstract

Sailing safety is an important aspect that must be considered to ensure the safety of the crew and passengers. One aspect that affects sailing safety is the probability of deck wetness and bottom slamming on each ship. A research object is a traditional wooden boat hull operating on the Penjam - Balikpapan route that transports passengers and vehicles. The aim is to provide information regarding wave conditions that support the safe operation of klotok ships. In this study, the variations in wave arrival directions used are 45°, 90°, 135° and 180° with a ship speed of 8 knots, and variations in wave height are based on the sea state approach, namely sea state 1 (0.488 m), sea state 2 (1.006 m), sea state 3 (1.433 m), and sea state 4 (2.012 m). Furthermore, the m0 value is obtained as an important component to measure the occurrence of deck wetness and bottom slamming through an approximation formula and validated with the NORDFORSK 1987 criteria. The results of the study indicate that the highest probability value of deck wetness occurs in the direction of wave arrival 180° with a wave height at sea state 4 (2.102 m). While the highest probability value of bottom slamming occurs in 2 variations of wave arrival direction, namely 135° and 1800. The wave height that must be considered in the direction of wave arrival 135° is 1.433 m and 2.012 m. Meanwhile, if the direction of wave arrival is 180°, the wave height that must be considered is 1.006 m, 1.433 m, and 2.012 m. With initial information on the potential for deck wetness and bottom slamming, it can be recommended that ships will tend to sail safely if waves arrive at 450 and 900 degrees, while immediately avoiding ship movements in the direction of waves at 1350 and 1800 degrees, especially at extreme wave heights. This condition will occur if the gravity concentration position is in the forecastle position. Meanwhile, if the gravity concentration position is at the stern, the passenger room and vehicle deck show a probability value that tends to be safe.
Preliminary Design and Energy Production of a Mobile Floating Structure (MFS) for Offshore Wind Turbines in Indonesian Waters Muhammad Uswah Pawara; Chris Jeremy Verian Sitorus; Hariyono Hariyono; Andi Mursid Nugraha Arifuddin; Alamsyah Alamsyah; Taufik Hidayat; Suardi Suardi; Abdul Mujib Syadzali; Faisal Mahmuddin
EPI International Journal of Engineering Vol 8 No 1 (2025): Volume 8 Number 1, Februari 2025
Publisher : Center of Techonolgy (COT), Engineering Faculty, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/epi-ije.022025.04

Abstract

The Mobile Floating Structure (MFS) is an innovative floating wind turbine concept that utilizes a catamaran hull design to enhance mobility and operational efficiency. Unlike stationary platforms, the MFS can relocate to areas with higher wind energy density, making it a promising solution for optimizing wind energy harvesting in offshore environments. This study focuses on the preliminary design and energy production of the MFS. Maxsurf is used to analyze hydrostatics and assess the hydrodynamic performance of the MFS hull after the dimension of the MFS is determine with key considerations including rotor diameter and the weight of the wind turbine. Furthermore, four wind turbines are installed in the MFS. Those aspect were integrated into the design process to ensure realistic operational adaptability. As result. the resulting dimensions of the MFS were determined utilizing Maxsurf. Moreover, different with the previous study that use satellite data, the present study employs reanalysis data to estimate the energy density and power production of MFS. the energy density map is also produced in the present study to determine the monthly location of the MFS. The energy production of the MFS with four turbines has been calculated, and the energy production map is also drawn. Finally, the energy production of the MFS in the chosen location has also been estimated. The energy production map can be utilized to develop MFS in other location.
IMPACT TESTING OF SMAW WELDING CONNECTIONS ON A36 STEEL WITH VARIATION OF WELDING CURRENT Chris Jeremy Verian Sitorus; Alamsyah A; Uswah Pawara; Suardi S; Jusma Wahidah; Harlian Kustiwansa; Sri Leli Melenia; Cindy Lionita Agusty
Journal of Marine-Earth Science and Technology Vol. 6 No. 2 (2025): September
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v6i2.4742

Abstract

This study aims to determine the effect of SMAW welding joints on impact strength and to determine the effect of impact loads on the fracture structure of ASTM A36 steel material. This research is based on welding theory, steel and electrode material theory, and impact testing theory. The determining factor of this research is the amount of welding current used. There is an increase in absorbed energy and impact strength for each variation of current, but this increase is not constant. Where at a strong current of 125 A there is an increase in E of 4.35 Joules and HI by 0.054375 J/mm2 compared to a strong current of 100 A. However, at a strong current of 150 A there is only an increase in E of 0.1 Joules, while for an increase in the value of HI by 0.00125 J/mm2 compared to a current of 125 A.
Effect of Methanol–NaOH Catalyst Variations on the Properties and Engine Performance of B50 Biodiesel from Waste Cooking Oil Suardi Suardi; Hariyono Hariyono; Faisal Mahmuddin; M. Rusydi Alwi; Muhammad Uswah Pawara; Alamsyah Alamsyah; Wira Setiawan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 1 (2026): February 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i1.79-89

Abstract

The growing demand for environmentally friendly fuels has encouraged the use of biodiesel as an alternative to fossil diesel. This study explores the production of B50 biodiesel derived from waste cooking oil using the transesterification method, with two catalyst variations: (1) 1000 mL methanol + 25 g NaOH and (2) 1200 mL methanol + 30 g NaOH per 5 liters of feedstock. The research aimed to evaluate the effects of catalyst concentration on the physical properties of biodiesel (density, viscosity, and calorific value), as well as its impact on engine performance metrics, including torque, specific fuel consumption (SFC), thermal efficiency, and exhaust gas opacity. Experimental testing was conducted using a four-stroke diesel engine at varying loads and speeds. Results showed that both fuel blends met the Indonesian standards for density, while only the 1200 mL + 30 g NaOH blend met the standard for viscosity. The biodiesel prepared using 1000 mL methanol and 25 g NaOH demonstrated superior engine performance, with a maximum torque of 8.92 Nm, minimum SFC (406.90 g/kWh), and highest thermal efficiency (21.28%) at 1000 RPM and 4000 W load. Additionally, the biodiesel prepared using 1200 mL methanol and 30 g NaOH produced lower exhaust opacity. In conclusion, while increased catalyst dosage improves fuel cleanliness and compliance with standards, the lower catalyst yields the best balance of performance metrics, making it a promising for biodiesel application in diesel engines.
MATERIAL RELIABILITY STUDY OF HIGH-SPEED SMALL CRAFT UNDER WAVE LOAD Amalia Ika Wulandari; Alamsyah A; Suardi S; Wira Setiawan; Muhammad Uswah Pawara; Andi Mursid Nugraha Arifuddin; Husein Syahab
Journal of Marine-Earth Science and Technology Vol. 5 No. 3 (2024): December
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v5i3.3921

Abstract

This study focuses on analyzing the structural characteristics of a small craft constructed using aluminum alloy compared with sandwich material structure. High speed vessels are designed to address key performance challenges such as vessel motion, engine efficiency, fuel consumption, and cargo capacity. However, to endure extreme wave induced loads, enhancement of vessel’s the structural strength is essential, especially in critical areas like the midship section. Analytical models and probabilistic methods are employed to predict structural performance under both constant and random wave loading conditions. Aluminum alloys are commonly chosen for fast boat construction due to their high strength to weight ratio and corrosion resistance. To evaluate structural behavior, simulations are carried out under varying wave heights and directions, providing insight into how the vessel performs in challenging marine environments. Load analysis is conducted using diffraction theory and the JONSWAP spectrum equation to determine the maximum bending moments experienced by the hull. The results show that both aluminum and sandwich structures exhibit similar reliability thresholds under wave-induced loading, but the sandwich structure consistently performs slightly better, with approximately 0.10% higher reliability. This suggests that sandwich materials offer improved structural integrity, making them the more suitable choice for high-speed small craft operating in wave conditions up to 2 meters. This analysis contributes to a deeper understanding of the reliability and performance of these materials, offering valuable guidance for designing and constructing high Small Crafts that perform efficiently and safely in demanding maritime operations.
Analisis kekuatan struktur ramp door haluan pada kapal Ferry Ro-Ro 1500 GT dengan variasi beban menggunakan Finite Element Method Alamsyah Alamsyah; Amalia Ika Wulandari; Muhammad Uswah Pawara; Muhammad Yusuf Al-Hafidz
TURBO [Tulisan Riset Berbasis Online] Vol 11 No 2 (2022): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i2.2161

Abstract

Ramp Door is a door to put a vehicle into a Ro-Ro ship or any other type of ship that transports vehicles. The use of Ramp Door is needed to facilitate the process of unloading and loading vehicles from the crossing dock to the ship and vice versa. This study aims to analyze the strength of Ramp Door structure with load variations from various types of vehicles in order to compress the maximum stress results and safety factors. The method used is the FEM method with the help of an element-based application up to. The results of the study obtained the maximum stress value of Ramp Door Bow with MPV vehicle type at an even load is 43.26 MPa. In this type of SUV vehicle, the maximum stress with an even load is 50.37 MPa. In sedan vehicle type the maximum stress with an even load is 37.61 MPa. in commerial vehicle type the maximum stress with an even load is 45.70 MPa. In this type of small truck vehicle, the maximum stress with an even load is 81.53 MPa. In large truck vehicles the maximum stress with an even load is 302.48 MPa. In this type of vehicle, the maximum stress bus with an even load is 178.08 MPa. For the largest safety factor value is a type of Commercial vehicle with a value of 8.91. While the smallest safety factor value is the type of Big Truck vehicle with a safety factor value of 1.01.
Calculation of Lighting Capacity on The Pinisi Tourist Ship Using the Zonal Cavity Method Suardi Suardi; Wira Setiawan; Alamsyah Alamsyah; Amalia Ika Wulandari; Muhammad Uswah Pawara; Muhammad Yogi Raditya; Muhammad Rifai
JMES: The International Journal of Mechanical Engineering and Sciences Vol 8 No 2 (2024)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v8i2.6281

Abstract

Pinisi tourist ship is one of the tourist ship designs made to increase the interest of tourists to come to Taka Bonerate National Park. This tourist destination presents excellent maritime beauty, especially its coral reefs. Just like ships in general, pinisi also requires a supply of electricity, especially for use in lighting on board. This research aims to analyze the need for lighting power on board, by carrying out the concept of a tourist ship, the lighting system is also made like in a hotel with the aim of pampering tourists. In planning, the lighting system is made into two conditions, namely conditions during sleep and normal conditions. The type of lamp used is an LED lamp which is proven to be better than other types of lamps. The method used is the zonal cavity method or usually called the lumen method. The advantage of this method is that the power of the lights used in the room will be just right according to the needs of the room, neither more nor less, so it won't interfere with your eyesight because the lights don't feel dim or too bright. The results obtained were the following values for each Junction Lighting (JL), bottom deck (JL1) obtained a value of 0.419 kW, main deck (JL2) obtained a value of 1.058 kW, upper deck (JL3) obtained a value of 0.893 kW. The calculation value for the Junction Emergency (JE) was also obtained at 0.506 kW.
Co-Authors A. B. Mapangandro A. B. Mapangandro Abdul Basiq Zainal Abidin Abdul Mujib Syadzali Abdul Mujib Syadzali Abdurrahman, Luthfi Abdurrahman, Luthfi Abdurrahman Abidin, Abdul Basiq Zainal Abiyyu Harly Saputra Ade Ray Siahaan Adhy Rahmat Agus Budianto Ahmad Razzan Ahmed Reza Falevi Alam, Alamsyah Alamsyah Alamsyah Alamsyah Alamsyah - Alamsyah A Alamsyah A Alamsyah Alam Alamsyah Alam Alamsyah alamsyah Alamsyah Alamsyah Alamsyah Alamsyah alamsyah alamsyah Alamsyah Alamsyah Aldo Pangestu Alfawan Alfawan Alfawan Alwi, Muhammad Rusdy Amalia Ika W Amalia Ika W Amalia Ika Wulandari Amalia Ika Wulandari Amalia Ika Wulandari Amalia Ika Wulandari Amalia Ika Wulandari Amalia Ika Wulandari Andi Ardianti Andi Mursid Nugraha Arifuddin Andi Mursid Nugraha Arifuddin Andi Mursid Nugraha Arifuddin Andi Mursyid Nugraha Arifuddin Andi Mursyid Nugraha Arifuddin Andi Rachmianty Anggela, Anggela Anshar Yaumil Akhir Anugerah, Andi Nurwahid Ardianti, Andi Ardianti Arifuddin, Andi Mursid Nugraha Arifuddin, Mursid Nugraha Astin, Widya Yulia As’ad, Miftachus Surur Aung Ye Kyaw Aung Ye Kyaw Bancin, Sutomo Baratau, Irentya Anugra Budi Prayitno Cahyani, Alviana Eka Chris Jeremy Verian Sitorus Chris Jeremy Verian Sitorus Chris Jeremy Verian Sitorus Cindy Lionita Agusty Cindy Lionita Agusty Cindy Lionita Agusty Dianiswara, Anggoronadhi Dimas Prayoga Dwiyanti, Diva Syahirah Elfin Zulmi Azhar Fachrul Jaya, Muhammad Reza Faisal Mahmuddin Faisal Mahmuddin Faisal Mahmuddin Faisal Mahmuddin Faisal Mahmuddin Fernanda Wahyu Pratama Feston Sandi Paribang Fiesta Olivia Fitri, Ade Gom Gom Mulia Yehezkiel Tambunan Hapsari, Dessy Purwita Harifuddin Harifuddin Harifuddin Hariyono Hariyono Hariyono Hariyono Hariyono Hariyono Hariyono Hariyono, Hariyono Harlian Kustiwangsa Harlian Kustiwansa Harlian Kustiwansa Harlian Kustiwansa Hijriah Hijriah Hijriah Hijriah Hijriah, Hijriah Husein Syahab Indah Sari, Fitria Irawan, Reynadi Firzy Irfan Fadillah Jumalia, Jumalia Jumardi Jumardi, Jumardi Jusma Wahidah Jusma Wahidah Jusma Wahidah Klara, Syerly Kumandang, Niti Gede Kustiwansa, Harlian Kusuma, I Putu Arya Lolo, Musa Lumbantoruan, Hendra Eliakim Lumenteri, Fido Fortunatus Luthfi Abdurrahman M. Rusydi Alwi Mahmuddin, Faisal Manik, Aljoiden Mas`ud M, Ahmad Azwar Maulana, Mohammad Khafid Moch Purwanto Mochammad Purwanto mubarak, azhar aras Muhammad Anjas Syam Muhammad Reza Fachrul Jaya Muhammad Rifai Muhammad Riyadi Muhammad Rusdy Alwi Muhammad Syarif Muhammad Yogi Raditya Muhammad Yusuf Al-Hafidz Muhammad Zainal Muhammad Zulkifli Muhammad Zulkifli Muhdar Tasrief Musa Lolo Musyarofah Musyarofah, Musyarofah Naufal, Daffa Ahmad Ningrat, Andi Nizam, Syahrul Ni’matus Sholihah Nugraha Arifuddin, Andi Mursid Nugraha, Andi Mursid Nugroho Septianda Oktavaro Pangestu, Aldo Paribang, Feston Sandi Pengestu, Pria Adi Pratama, Brian Yoga Pratama, Fernanda Wahyu Prayoga, Dimas Pria Adi Pengestu Raditya, Muhammad Yogi Rahmat Hidayat Rajagukguk, Pernando Anju Ramadana, Andi Najwa Ramadhani, Rizky Rara Gusnia Nurulhaini Reynadi Firzy Irawan Rifai, Muhammad Rizky Risaldo Rodlian Jamal Ikhwani S.Pd. M Kes I Ketut Sudiana . Samsu Dlukha N Setiawan, Wira Sherina Fitri Hariani Sherly Clara Siagian, Firman Veryvicasi Vernando Silvia Salsa Putri Simatupang, Gusrawati, Sander V S Siswahyudianto Sri Leli Melenia Suandar Baso Suardi Suardi Huda Suardi S Suardi S Suardi Suardi Suardi Suardi Suardi Suardi Sultan Mahmud Cakasana Syadzali, Abdul Mujib Syam, Muhammad Anjas Syerly Klara Syerly Klara Syerly Klara Tasrief, Muhdar Tasrief, Muhdar Taufik Hidayat Taufik Hidayat Taufik Hidayat Tobing, Andreyano Yosefan Lumban Widya Yulia Astin Wijaya, Vibra Wira Setiawan Wira Setiawan Wira Setiawan Wira Setiawan Wira Setiawan Wira Setiawan Wira Setiawan wulandari, amalia ika Yosefan, Andreyano