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All Journal Bumi Lestari KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science REKAYASA IJOCE (International Journal of Offshore and Coastal Engineering) Jurnal Aplikasi Pelayaran dan Kepelabuhanan Wave: Jurnal Ilmiah Teknologi Maritim Journal of Advanced in Information and Industrial Technology (JAIIT) Journal of Marine-Earth Science and Technology Jurnal Aplikasi Pelayaran dan Kepelabuhanan Sewagati Jurnal Penelitian Transportasi Laut

Tri Achmadi

Departemen Teknik Transportasi Laut, Fakultas Teknologi Kelautan, Institut Teknologi Sepuluh Nopember (ITS)

Author-ID : 218744

Agriculture, Biological Sciences & Forestry Arts Humanities 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 Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Physics Public Health Social Sciences Transportation Other

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Optimization of Product Oil Shipment System for Archipelegic Region Pratiwi Wuryaningrum; Tri Achmadi; Achmad Mustakim; Hasan Iqbal Nur; Siti Dwi Lazuardi; Marita Kusumadewi
Rekayasa Vol 12, No 2: Oktober 2019
Publisher : Universitas Trunojoyo Madura

Demand of products oil continues to increase by increasing the mobilization in various areas in Indonesia. The government should rethink considering the uneven spread of demand and supply of products oil that can not be mixed in the cargo hold. Currently product oil deliveries to Nusa Tenggara Barat carried by tanker vessels. The issue is whether the vessel’s size not yet optimum. The purpose of this study is to optimize the distribution of product oil from Transit Terminal Product Oil to Unloading Ports. The most influenced variable are the size of the main vessel and the effect on the primary measure is the amount of goods transported. The main dimensions of tanker are LPP= 105 m; B= 18,01 m; H= 8.23 m T= 6.78 m ;DWT= 7,992 DWT ;Payload = 8,933 KL and Tankers’s unit cost is Rp. 203,587.70 per Kiloliter

Pembuatan Media Pembelajaran Digital Interaktif untuk Materi Pembelajaran Bahasa Arab (Nahwu dan Shorof) untuk Santri Milenial Ahmad Muklason; Edwin Riksakomara; Faizal Mahananto; Arif Djunaidy; Retno Aulia Vinarti; Wiwik Anggraeni; Raras Tyas Nurita; Amalia Utamima; Naufal Rafiawan Basara; Muhammad Arif Nuriman; Amalinda Jayanty; Nur Khofifah; Nur Laila; Hanif Mitsal Mahatta; M. Fiqri Ananda; Tristanto Rachmadi Wibowo; Muhammad Hisyam; Mochamad Zidan Aqila Kamil
Sewagati Vol 7 No 3 (2023)
Publisher : Pusat Publikasi ITS

Pondok Pesantren adalah lembaga pendidikan tertua di Indonesia. Kurang lebih separuh dari pondok pesantren tesebut adalah pondok pesantren salafiyah, yaitu pesantren yang menerapkan metode tradisional. Sistem pendidikan salafiyah ini menemui tantangan karena santri saat ini adalah santri milenial yang memiliki kecenderungan yang berbeda dan lebih senang belajar menggunakan gadget. Oleh, karena itu kegiatan pengabdian masyarakat ini bertujuan untuk mengembangkan konten pembelajaran digital interaktif dari materi pembelajaran bahasa arab pondok pesantren salaf yaitu pelajaran Nahwu dan Shorof yang saat ini rujukannya adalah kitab kuning. Konten digital ini dikembangkan menggunakan teknologi H5P. Untuk mengetahui tingkat penerimaan santri terhadap konten digital ini, dilakukan Focus Group Discussion, wawancara, dan pengisian kuesioner. Hasil penelitian menunjukkan bahwa 73,7% santri merasa lebih mudah memahami materi dengan menggunakan digital learning, dan 89,7% santri merasa konten digital ini membuat pembelajaran lebih menyenangkan. Secara keseluruhan, platform ini memberikan kemudahan dan pembelajaran menjadi lebih menyenangkan. Akan tetapi, masih terdapat beberapa umpan balik yang dijadikan evaluasi platform dan sistem pembelajaran kedepannya, seperti tidak adanya mentor untuk mendampingi para santri belajar.

Model Standardisasi Pengiriman Kemasan Rantai Dingin pada Usaha Kecil dan Menengah dengan Moda Transportasi Laut Lazuardi, Siti Dwi; Achmadi, Tri; Wuryaningrum, Pratiwi; Putri, Salsabil Nabilah
Journal of Advances in Information and Industrial Technology Vol. 2 No. 1 (2020): May
Publisher : LPPM Telkom University Surabaya

Usaha Kecil dan Menengah (UKM) berkontribusi pada Produk Domestik Bruto Indonesia yang meningkat dari 57,84% menjadi 60,34% pada tahun 2018. UKM memiliki peran sebesar 20% pada kegiatan ekspor, khususnya untuk olahan ikan beku. Belum adanya standar kemasan rantai dingin untuk produk ekspor menjadi kendala dalam proses pengiriman. Oleh karena itu, tujuan dari penelitian ini adalah membuat model standardisasi kemasan rantai dingin untuk pengiriman produk ekspor UKM dengan moda transportasi laut. Metode yang digunakan adalah perhitungan biaya logistik untuk memperoleh minimum unit biaya logistik dengan 4 (empat) skenario pemilihan kemasan rantai dingin berstandar. Hasil analisis menunjukkan bahwa skenario 2 yaitu penggunaan kemasan saat ini dengan inovasi kemasan sekunder 1 dapat menghasilkan minimum unit biaya logistik sebesar Rp. 21,44 juta/ton. Sedangkan hasil analisis yang diperoleh menurut waktu adalah skenario 4 dengan penggunaan inovasi kemasan sekunder 2 dengan total waktu 21,45 hari.

Model Transportasi Multimoda Distribusi Garam: Studi Kasus Pulau Madura Nur, Hasan Iqbal; Achmadi, Tri; Fahmi, Ali
JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN Vol 8 No 1 (2017): bulan September
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/japk.v8i1.57

Indonesia is one of the salt importing countries, although most of its territory is the sea. The current pattern of salt distribution needs to be reviewed, since in reality the production of salt farmers is abundant, but not yet fully absorbed by the salt processing companies. In addition there is a considerable price disparity in salt price between producer and consumer areas. Therefore, in this study we analyze two conditions, which include the salt ditribution pattern in upstream and downstream. Where the upstream area is from the salt producer areas in Madura, there are Bangkalan, Sampang, Pamekasan, and Sumenep to the Salt Processing Factory (PPG). While the downstream area is from the Salt Processing Factory (PPG) to the consumer areas in Jakarta and Denpasar. By using the optimum salt distribution and transportation patterns by the optimization model, there is a decrease in shipping cost per year for each PPG when compared to the current conditions. From PPG Gresik, the cost can be reduced by 26.57% or 7.9 Billion annually, from PPG Surabaya can be reduced by 24.33% or by 7.8 Billion per year and from PPG Sidoarjo can be reduced 17.20% or by 10, 2 billion per year. Thus the price of salt in Jakarta can be decreased by 12% and in Denpasar can be decreased by 8%.

Domestic Container Shipping Market Profile: A Case Study of Indonesia Achmadi, Tri; Baqi, Izzuddin
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 22, No 2 (2025): June
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v22i2.72477

Given Indonesia's status as the world's largest archipelagic nation, the shipping industry is a crucial contributor to its economy. However, the Indonesian Ship Owners Association (INSA) has reported an oversupply in the nation's commercial shipping sector. This study aimed to identify the equilibrium between supply and demand within Indonesia's container shipping market. The analysis focused on nine key container shipping liner routes and employed several methodologies, including regression, relational, supply and demand curve, market equilibrium, market structure, and voyage calculation analyses. The data for this research was sourced from Ship Arrival and Departure Report Data (LK3) and generic simulation data from business professionals. The findings indicate that the demand curve for containers is inelastic, with a value of 0.31. This suggests that cargo owners are compelled to accept the freight rates set by shipping companies. In contrast, the supply capacity curve is elastic, valued at 3.16, demonstrating that shipping companies have the flexibility to adjust their supply capacity. For instance, on the Surabaya-Makassar route, the demand and supply curves intersect at an equilibrium point of 99 million TEUs.Nm and a price of IDR 2.16 million per TEU. Conversely, on the Jakarta-Surabaya route, the demand curve does not intersect the supply curve, indicating an oversupply. To rectify this market imbalance, the supply curve would need to shift to the left, reducing the supply capacity by 258 thousand TEUs to reach equilibrium.

EVALUATION OF CONTAINER TERMINAL SYSTEM PERFORMANCE IN TANJUNG PERAK SURABAYA PORT IN INCREASING CUSTOMER SATISFACTION USING BINARY LOGISTICS REGRESSION Khaeruddin, Muhammad Raehan; Achmadi, Tri
Journal of Marine-Earth Science and Technology Vol. 4 No. 2 (2023): 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.v4i2.1058

In this sophisticated era, we can do almost anything, and we can get it easily. No exception with the necessities of life that we can get easily from one place and sent to us via transportation services, even goods with a large capacity. One of the transportation services that can efficiently deliver goods in large quantities is sea transportation via ships with a shipping system using containers. Tanjung Perak Port in Surabaya is one of the ports that provides container loading and unloading services. For this reason, in this study an evaluation of the performance of container terminals at the Port of Tanjung Perak Surabaya will be carried out by looking at the factors that influence customer satisfaction (Y), which consist of several predictor variables, namely price of goods (X1), weight of goods (X2) and Travel Time (X3) using the binary logistic regression method, which is a method used to model the response variable consisting of two categories and is appropriate for modeling data consisting of possible events with response variables consisting of two choice categories. Logistic regression will form a predictor/response variable, which is a linear combination of the independent variables. In this study, modeling was carried out to determine the relationship between whether the predictor variable affects the response variable and the extent to which this variable influences it. After knowing the variables that contribute to customer satisfaction, these variables can then be used as evaluation material, whether they need to be increased or reduced. Based on the results of the study, it was found that the variable weight of goods (X2) has a significant influence on customer satisfaction with a classification accuracy of 88.1%, so it must be optimized related to the container capacity that contains customer goods because, if this variable increases by 1 unit, it will increase the probability of customer satisfaction is 1.792 times and this increase is higher than the other variables.

REDISCOVER PARADISE: ELEVATING BALI’S MARINE TOURISM THROUGH SUSTAINABLE SOLID WASTE MANAGEMENT (SSWM) Ardiyanto, Feri; Prakasa, Gilang; Achmadi, Tri
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.v5i1.1069

As a global tourist destination, Bali’s marine ecosystem holds significant value for the leisure industry. However, along with the enormous growth of the industry, the island also faces an imminent waste crisis. As of 2022, 1,085,507 metric tonnes of waste are produced by the island, which 18% of it or 190,726 metric tonnes of waste left unmanaged. Coupled with monsoon and wet season weather that delivers trash ashore, effective waste management holds a pivotal role to preserve the marine ecosystem of the island and its tourism industry. By conducting a qualitative descriptive method, this research proposes sustainable solid waste management (SSWM) as an attempt to combat the waste crisis on the island. This research aims to depict the feasibility – cost, and benefit – of implementing the SSWM. The findings of this research conclude that the implementation of SSWM will benefit the marine ecosystem and further sustain tourism in Bali.

Analysis of the Effect of Infrastructure System at Kendari New Port Terminal on Container Customer Satisfaction Using Principal Component Analysis (PCA) Method Fadel Muhammad; Tia Natalia; Tri Achmadi
International Journal of Offshore and Coastal Engineering Vol. 8 No. 1 (2024)
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v8i1.20460

Container Terminal Kendari New Port, located in Kendari, Southeast Sulawesi Province, is known to be one of the gateways for international logistics flow with adequate facilities and systems implemented where one of its activities is loading and unloading of containers supported by a reasonably large pier measuring 300 square meters. Even though it is equipped and supported by adequate infrastructure, it is not uncommon for customers to feel that the system and infrastructure provided are unsatisfactory. For this reason, in this study, satisfaction indicators are in the form of price (X1) and facilities (X2), and all of these variables have several indicators to determine customer satisfaction with the infrastructure offered using the PCA method. The PCA method is advantageous when the existing data has a large number of variables and has a correlation between the variables. In general, the principal component can be helpful for feature selection and interpretation of variables. The results of this study indicate that there is one variable that has an eigenvalue more significant than one, which indicates that this variable has a cumulative proportion of 58.278%, which means that 1 factor can absorb information in the data of 58.278% where the variable is Price (X1).

Evaluation of International Shipping Alliance: A Case Study of Transport Capacity and Cost Efficiency Influence the Quality of Cooperation Inter-Country Using Discriminant Analysis Tia Natalia; Fadel Muhammad; Tri Achmadi
International Journal of Offshore and Coastal Engineering Vol. 8 No. 1 (2024)
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v8i1.20462

Shipping is a source of income that entrepreneurs increasingly demand because of the public's high use of this service, both for traveling and sending and transporting goods. Shipping companies offer their services domestically and cooperate with foreign shipping companies to increase revenue. In addition to increasing revenue, this business can increase the quality of cooperation between countries, which can be seen from transportation capacity and cost efficiency because more fleets will be provided, and infrastructure will be adequate because it consists of more than one country. Even though the shipping system cooperates with other countries and has an international standard, this does not necessarily satisfy the public with the service in the form of transportation capacity and fees charged. Not infrequently, many people complain that the costs incurred are quite high, but the implemented system is not following what most people expect. To see the quality of cooperation between countries (Y), this research will look at the transportation capacity factor (X1) and also cost efficiency (X2) using the discriminant analysis method. Discriminant analysis is a statistical method used to categorize an object into two or more groups based on the independent variable (X) used. The results obtained in this study show that the majority of people are satisfied with the existence of an international shipping alliance that is equal to 78%, with only cost efficiency (X2) being the main factor affecting customer satisfaction with the resulting classification accuracy rate of 71% and good models by 61%.

Factors that Influence Performance Assessment of the Number of Seafarer Requests in the Manning Agency Muhammad Akbar; Tri Achmadi; Murdhifin Zulmy Widya Kurniawan
International Journal of Offshore and Coastal Engineering Vol. 8 No. 2 (2024)
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v8i2.4865

Manning Agency, better known as the Barombong Maritime Polytechnic, founded BMP Manning Agency as a forum for producing reliable and professional sailors in the global maritime industry. Based on the results of social and stakeholder studies as well as several literature reviews, it is known that prospective ship crews who will be transferred to Manning agency partner companies set several quality standards apart from the administration and expertise that prospective crew members have because the Manning agency's task is to prepare ship crews, so this aspect is also a significant concern in addition to the theory of expertise required. For this reason, this research covers the problem of assessing the self-quality of seafarers, which indicates a problem and challenge that seafarers must resolve. The Manning agency and Borombong Maritime Polytechnic need to improve the image and quality, especially the number of seafarers transferred to the Company, so that they not only fulfil the requirements at the beginning but still maintain self-quality until going into the field to work. The method used is multiple linear regression, where it is known that the variables that influence the number of sailors transferred are the Discipline Level Variable (X1), the Responsibility Level Variable (X3) and the Team Cooperation Level Variable (X4) with model goodness of 74.41%. Therefore, the Manning Agency must pay more attention to these three variables.

Co-Authors Abdan Hanif, Mohammad Aditya Verdifauzi Agsari Aulia Pamudji Ahmad Muklason Alwi Sina Khaqiqi Amalia Utamima Amalinda Jayanty Antoni Arif Priadi Ardiyanto, Feri Arif Djunaidy Baqi, Izzuddin Bayu Moerdianto Wahid Chandra Karta Yudha Djauhar Manfaat Eko Andi Haranto Evan Eryanto Fadel Muhammad Fahmi, Ali Fahmi, Ali Faizal Mahananto Hanif Mitsal Mahatta Hasan Iqbal Nur I Wayan Sion Karina Novita Sari Setiawan Khaeruddin, Muhammad Raehan Laju, I Kadek Lazuardi, Siti Dwi M. Fiqri Ananda Marcus Tukan Marita Kusumadewi Maulana Prasetya Simbolon Mochamad Zidan Aqila Kamil Muhammad Akbar Muhammad Al Hazman Muhammad Arif Nuriman Muhammad Hisyam Murdhifin Zulmy Widya Kurniawan Mustakim, Achmad Naufal Rafiawan Basara Nur Khofifah Nur Laila Nyoman Budiartha R.M. Prakasa, Gilang Pratiwi Wuryaningrum Putri, Salsabil Nabilah Raras Tyas Nurita Retno Aulia Vinarti Riksakomara, Edwin Rizky Ramadhan Eka Putra Setijopradjudo Setijopradjudo Silvia Dewi Kumalasari Siti Dwi Lazuardi Sjarief Widjaja Sjarief Wijaya Tia Natalia Tiara Figur Alfenza Udisubakti Ciptomulyono Verdifauzi, Aditya Wahyu Putra Gantara Wiwik Anggraeni Wuryaningrum, Pratiwi

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