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Pelatihan Pembuatan Miniatur Kapal Nelayan Berbahan Fiber-Reinforced Plastic (FRP) bagi Siswa SMKN 1 Tambakboyo Tuban Radianto, Denny Oktavina; Sumardiono, Sumardiono; Suhardjito, Gaguk; Wibawa, I Putu Arta; Soelistijono, Rachmad Tri
ADI WIDYA : JURNAL PENGABDIAN MASYARAKAT Vol 5, No 1 (2021): ADIWIDYA
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/awpm.v5i1.4646

Community service entitled Training on Making Miniature Fishing Boats Made of Fiber-Reinforced Plastic (FRP) for Students of SMKN 1 Tambakboyo, Tuban City With the background of the existence of Tuban City as one of the coastal areas which is still trying to develop its community resources in the marine sector. Several vocational schools in Tuban have opened shipping and shipping engineering majors. Generally, these SMK students are taught how to operate supporting equipment for repair or management of ship transportation according to industrial needs. The purpose of this community service is to provide skills to students, especially at SMKN 1 Tambakboyo Tuban on how to make miniature fishing boats made of Fiber-Reinforced Plastic (FRP). Through shipbuilding skills that are more efficient in operation, it is hoped that the next generation of fishermen will have economic competitiveness because they are able to produce and use ships as efficient fishing facilities. The training was conducted online on Sunday 27 September 2020. The number of training participants was 53 participants from several schools in Tuban.

Pelatihan Pembuatan Miniatur Kapal Nelayan Berbahan Fiber-Reinforced Plastic (FRP) bagi Siswa SMKN 1 Tambakboyo Tuban Denny Oktavina Radianto; Sumardiono Sumardiono; Gaguk Suhardjito; I Putu Arta Wibawa; Rachmad Tri Soelistijono
Adi Widya : Jurnal Pengabdian Masyarakat Vol 5 No 1 (2021): ADIWIDYA
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/awpm.v5i1.4646

Community service entitled Training on Making Miniature Fishing Boats Made of Fiber-Reinforced Plastic (FRP) for Students of SMKN 1 Tambakboyo, Tuban City With the background of the existence of Tuban City as one of the coastal areas which is still trying to develop its community resources in the marine sector. Several vocational schools in Tuban have opened shipping and shipping engineering majors. Generally, these SMK students are taught how to operate supporting equipment for repair or management of ship transportation according to industrial needs. The purpose of this community service is to provide skills to students, especially at SMKN 1 Tambakboyo Tuban on how to make miniature fishing boats made of Fiber-Reinforced Plastic (FRP). Through shipbuilding skills that are more efficient in operation, it is hoped that the next generation of fishermen will have economic competitiveness because they are able to produce and use ships as efficient fishing facilities. The training was conducted online on Sunday 27 September 2020. The number of training participants was 53 participants from several schools in Tuban.

Analysis of Performance Losses Related to Shaft Angle on Fishing Boats Using the Free Running Model Test Method Aang Wahidin; Rachmad Tri Soelistijono; Fitri Hardiyanti; Lilik Subiyanto; Gaguk Suhardjito; Subagio So’im
International Journal of Marine Engineering Innovation and Research Vol 8, No 2 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i2.16417

Several traditional fishing boats in Sendang Biru, Malang Regency are of the sekoci type using an inboard engine drive system with the position of the propeller shaft installed at an angle to the ship's base line. Based on the theory can reduce the performance of the ship propulsion system up to (2-3)%. In this research, we analyzed how much performance was lost/decreased on the lifeboat type fishing boats installed above. The method we use is the Free Running Model Test by making a model of a traditional fishing boat type of lifeboat with a model size of Loa = 100 cm, Lwl = 80.72 cm, B = 19.7 cm, H = 10.68 cm and T = 5, 08 cm made of aluminum sheet. The Free Running Model Test uses 1 motor and propeller which has a thrust of 60 watts, remote control equipment uses the main component of the NRF24L01 transceiver which works at a frequency of 2.4 Ghz with a range of 240 meters to 1 kilometer with conditions without obstacles and camera equipment drone to record the track. The results of this study show that there is a decrease/loss of performance at a 3-degree angle of 0.24%, at a 5-d. gree angle of 0.49%, at a 10-degree angle of 2.52%, at a 15-degree angle of 4.41% and at an angle of 20 degrees of 6.48%.

Analysis of Ambulance Ship Design in Karimunjawa Waters reviewed by Stability and Seakeeping Putra, Gusma Hamdana; Soelistijono, Rachmad Tri; Setyawan, Prasastya Dhohir
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 21, No 1 (2024): February
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v21i1.60839

The inadequate health facilities in the Karimunjawa Islands region still need attention. In particular, patients who have to be referred to the hospital still have problems in terms of transportation. This research presents the results of simulations of ambulance ship designs adapted to Karimunjawa conditions. A ship with a length of 8 m, width of 2.2 m, height of 1.1 m, and draft height of 0.37 m is analyzed regarding stability and seakeeping referring to IMO HSC Code 2000 Annex 8. Several parameters are determined, such as load, speed, significant wave height, and direction. The results in terms of stability show that loads of 100%, 50%, and 25% are still acceptable. Then, the results from seakeeping show that at a speed of 23 knots and significant wave height, especially in the diagonal wave direction of the ship, it is not acceptable

Rekonstruksi 3D Berbasis LiDAR TF Mini Plus Zindhu Maulana Ahmad Putra; DANIA KIKI SANDIYA; Ryan Yudha Adhitya; Mat Syai’in; Rachmad Tri Soelistijono; Boedi Herijono; Ii Munadhif; Samudra Rozzak Arrachman; Achmad Nawawi
Jurnal Elektronika dan Otomasi Industri Vol. 11 No. 2 (2024): Vol. 11 No.2 (2024) : Jurnal Elkolind Vol.11, No. 2, 2024 (Juli 2024)
Publisher : Program Studi Teknik Elektronika Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elkolind.v11i2.5208

Rekonstruksi 3D adalah teknik membentuk objek tiga dimensi dari bentuk aslinya di dunia nyata untuk divisualisasikan di komputer. Awalnya, proses ini dilakukan secara manual dengan pengukuran langsung, namun rentan terhadap kesalahan karena ketidakakuratan pengukuran. Dalam penelitian ini, sistem rekonstruksi 3D menggunakan teknologi digital dengan sensor LiDAR TF-Mini Plus. Sensor LiDAR menggunakan pulsa laser untuk mengukur jarak ke objek dan menghasilkan data point-clouds yang merepresentasikan permukaan objek. Sensor ini digerakkan oleh dua motor, yaitu motor servo untuk rotasi pitch dan motor stepper untuk rotasi yaw, memungkinkan cakupan penuh objek dan rekonstruksi yang lebih rinci. Pengujian menunjukkan bahwa sistem ini mampu menghasilkan rekonstruksi 3D yang sangat akurat dengan detail tinggi. Data point-clouds yang dikumpulkan oleh sensor LiDAR merepresentasikan bentuk asli tangki dengan presisi, termasuk lekukan dan kontur secara jelas. Hal ini membuktikan efektivitas sistem dalam menciptakan model 3D yang berguna untuk berbagai analisis dan visualisasi.

3D Scanner Pemantau Ketersediaan Kalsium Karbonat Pada Silo: 3D Scanner Pemantau Ketersediaan Kalsium Karbonat Pada Silo Putra, Zindhu Maulana Ahmad; Boedi Herijono; Dania Kiki Sandiya; Ryan Yudha Adhitya; Mat Syai’in; Rachmad Tri Soelistijono; Ii Munadhif; Samudra Rozzak Arrachman; Achmad Nawawi
Jurnal Elektronika dan Otomasi Industri Vol. 11 No. 3 (2024): Jurnal Elkolind Vol. 11 No. 3 (September 2024)
Publisher : Program Studi Teknik Elektronika Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elkolind.v11i3.6566

Penelitian ini mengembangkan sistem pemantauan stok kalsium karbonat di dalam silo menggunakan teknologi LiDAR dan metode Trapezoidal Numerical Integration untuk mengukur volume bahan. Sensor LiDAR digunakan untuk memindai jarak dan menghasilkan data point clouds yang diproses oleh mikrokontroler ESP32. Data yang diperoleh dikirim ke laptop untuk visualisasi 3D dan perhitungan estimasi volume serta massa bahan. Sistem ini dirancang dengan komponen input, proses, dan output yang terintegrasi, termasuk tombol start, sensor LiDAR, dan tombol emergency. Pengujian dilakukan dengan tiga kondisi permukaan kalsium karbonat dengan permukaan rata, menggunung, dan cekung, untuk menguji akurasi sistem. Hasil pengujian menunjukkan akurasi yang bervariasi, dengan kesalahan rata-rata 2,53% pada permukaan rata, 6,6% pada permukaan menggunung, dan 5,2% pada permukaan cekung. Perbedaan bentuk permukaan mempengaruhi akurasi pengukuran, dimana permukaan cekung menghasilkan volume yang lebih rendah dan permukaan menggunung menghasilkan volume yang lebih tinggi dari volume sebenarnya. Hasil ini menunjukkan bahwa metode yang digunakan efektif untuk estimasi volume dan massa, meskipun dipengaruhi oleh variasi bentuk permukaan.

ANALYSIS OF MAN-HOUR REQUIREMENTS AND SCHEDULING FOR FLOATING DOCK REPAIRS Ramadhani, Salsabila; Hardiyanti, Fitri; Suhardjito, Gaguk; Soelistijono, Rachmad Tri; Wahidin, Aang
Journal of Marine-Earth Science and Technology Vol. 4 No. 3 (2023): 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.v4i3.1064

A floating dock (FD) is a platform for ship construction and repair. Structural damages to a FD can significantly reduce ship docking productivity, leading to substantial losses for shipyard companies. In order to restore its operational capabilities, repairing the damaged FD becomes essential. This research aims to plan and analyze the schedule to ensure the efficiency and effectiveness of FD repair activities. The process begins with the establishment of a Work Breakdown Structure (WBS), followed by determining the required man hours (MH) and scheduling using the Precedence Diagram Method (PDM). Finally, the S-curve is made for monitoring the progress of the FD repairment. The findings of this study, based on a case study involving a 6700 TLC FD, reveal a WBS comprising 66 repair tasks including two tasks for FD testing and finishing in addition to four areas of hull, walls, deck and tanks, piping systems, and machinery. The MH requirement for these tasks is 4048 MH. From the scheduling results, it was found that the duration was 12 days, with a total of 53 critical activities and 25 critical paths in the floating dock repair work using the precedence diagram method.

APPLYING DESIGN ALTERNATIVE APPROACH TO OPTIMIZE COMFORT, SAFETY, AND COST-EFFECTIVENESS IN THE REDESIGN OF ACCOMMODATION ROOMS ON THE SHIP KM TAREX 2 Mustain, Achmad Difa Khoirul; Wahidin, Aang; Soelistijono, Rachmad Tri; Nugroho, Priyambodo Nur Ardi; Ashari, Azza Nuha Salma
Journal of Marine-Earth Science and Technology Vol. 5 No. 1 (2024): April
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v5i1.1067

In late December 2021, the ship KM Tarex 2, owned by PT. Pelayaran Mandala Sejahtera Abadi, underwent its annual docking at PT. Tambangan Permai Raya. During this time, the ship was found to be in a state of disrepair, including its accommodation rooms. The ship's current condition, feedback from stakeholders, and financial considerations served as the catalyst for a comprehensive interior redesign, with a primary focus on enhancing comfort, safety, and economy. The interior redesign of the accommodation spaces on the ship KM Tarex 2 involved the exploration of two alternative design concepts. These concepts centered around the Owner's Room, Crew's Room, Messroom and Life Jacket Storage. Alternative Design 1 adopted a Contemporary Concept, while Alternative Design 2 embraced a Modern Minimalist concept. The selection process for these designs involved soliciting feedback from a panel of 18 individuals, consisting of 12 representatives from PT. Pelayaran Mandala Sejahtera Abadi, 3 individuals from PT. Tambangan Permai Raya, and 3 crew members of the ship KM Tarex 2. Ultimately, Alternative Design 1 garnered an average approval rating of 67% across all rooms, surpassing Alternative Design 2 in preference. The selected design alternatives were evaluated for compliance with regulatory standards, achieving a 100% compliance rate for each room and an average comfort rating of 40%. Additionally, the chosen materials, as determined through a Google Form questionnaire, included ALUMETAL brand ACP Materials for room lining and ceiling, along with Henan Fortovan brand LVT for ship deck covering. These materials received an average approval rating of 61%. Economically, the analysis of material costs demonstrated that the project could be undertaken without exceeding the ship's annual income, ensuring financial feasibility.

Pelatihan Desain Kapal Bagi Pekerja Perusahaan Galangan Blambangan Raya Perkasa Radianto, Denny Oktavina; Soelistijono, Rachmad Tri; Apriani, Mirna; Purwana, Agung; Kuswijanarko, Wahyu
Parta: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 1 (2024)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/parta.v5i1.5443

Tujuan pengabdian kepada masyarakat ini untuk mengetahui tingkat kepuasan peserta pelatihan tentang cara membuat desain kapal dengan aplikasi khusus menggunakan metode angket dan wawancara. Tingkat kepuasan para peserta pelatihan mencapai rerata 4,36 pada sekala 5. Pelatihan telah terlaksana secara daring pada setiap akhir pekan bulan agustus dan luring pada hari minggu 27 Agustus 2023. Peserta pelatihan berjumlah 5 peserta dari Pekerja Perusahaan Galangan Blambangan Raya Perkasa. Dari ke-5 peserta tersebut semuanya ikut aktif dalam kegiatan pelatihan yang diselenggarakan. Keaktifan para peserta itu terlihat dari kehadiran mereka saat pelatihan dalam jejaring maupun saat pelatuhan luar jejaring. Dampak dari pelatihan berdasarkan pemaparan dari pihak manajemen perusahaan adalah karyawan dinilai lebih semangat dalam bekerja dan memiliki kecepatan dalam penyelesaian pekerjaan khususnya terkait desain yang mereka harus kerjakan.

Increasing the Financial Management Skills of Blambangan Raya Perkasa Banyuwangi Shipyard Employees: Peningkatan Kecakapan Pengelolaan Keuangan Karyawan Galangan Kapal Blambangan Raya Perkasa Kabupaten Banyuwangi Radianto, Denny Oktavina; Gaguk Suhardjito; Rachmad Tri Soelistijono; Priyambodo Nur Ardi Nugroho; Danis Maulana
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 6 (2023): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v7i6.16280

The Indonesian shipping industry still needs to be developed so that the nation's sovereignty over maritime areas and the country's economic growth can be realized. The domestic shipbuilding industry has limitations which result in the number of Indonesian ship fleets being small and uneven. This increases the risk of illegal exploitation of marine resources by ships from foreign countries. Human resource development is still considered to be a very important point in efforts to realize progress in the shipping industry. Therefore, financial management training for shipyard employees in the context of community service will be carried out on a hybrid basis in August 2023. Based on a questionnaire supported by interviews, the participant satisfaction level was obtained at 4.36 on Scale 5. The obstacles that emerged during the training process were distance and time limitations. participants who are company employees who are far from the training provider institution.

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