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Analisis dan Model Standard Angkutan Laut: Studi Kasus Muatan Petikemas Achmadi, Tri; Abdan Hanif, Mohammad; Sina Khaqiqi, Alwi
Rekayasa Vol 14, No 1: April 2021
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v14i1.10044

The increase in container rates, which tends to be unstable, has an impact on the price of cargo per unit to increase. The uncertainty of the amount of cargo carried makes the tariffs imposed also unstable. The purpose of this research is to make a standard model of the cost of each unit and the size of the capacity of container transport services based on changes in cargo and distance of shipping routes. In addition, it analyzes the relationship between load factor and frequency on the gross income of a shipping company. The optimization method is used to get the size and cost per unit under certain conditions. The results of the analysis explain that the current tariff is not yet optimal, proven by the current cost equation y=2E+06x(-0,342) (R2= 0,238). Then to create a standard model of transportation, the equation for the cost line per container ship freight unit y=1E+09x(-0,759) (R2= 0,8634) while SPCB y=6E+07x(-0,59) (R2 = 0,8234). This study also produces an equation model for the size of the container ship transport capacity y=3E-05x+57,662 (R2=0,943) while SPCB y=2E-05x+94,446 (R2=0,997). The conclusion is using a sensitivity analysis of the carrying capacity with the current condition of ship operation patterns for the minimum load factor for the Surabaya-Ambon route 76% and Surabaya-Serui 48%. For a 100% load factor condition, it can reduce the cost per unit for the Surabaya-Ambon route by 50% and for the Surabaya-Serui route by 63%.

MODEL PERHITUNGAN PENERAPAN KONSESI PELABUHAN DI INDONESIA Tri Achmadi; Alwi Sina Khaqiqi
Wave: Jurnal Ilmiah Teknologi Maritim Vol. 14 No. 2 (2020)
Publisher : Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jurnalwave.v14i2.4600

Pelabuhan merupakan salah satu infrastruktur yang dapat mendukung Sistem Logistik Nasional di Indonesia dikarenakan Indonesia merupakan negara kepulauan. Adanya pelabuhan juga dapat mendukung pertumbuhan ekonomi di wilayah Indonesia. Salah satu syarat untuk dapat melakukan kegiatan kepelabuhanan dengan melakukan konsesi telah diatur pada UU Pelayaran No. 17 Tahun 2008 Pasal 92. Menurut Badan Pemeriksa Keuangan (BPK) untuk saat ini kinerja pengelolaan konsesi pelabuhan belum efektif. Selain itu, juga keluar Instruksi Menteri Perhubungan Republik Indonesia Nomor 6 Tahun 2018 tentang hasil pemeriksaan kinerja atas efektivitas pengelolaan konsesi pelabuhan di Terminal Teluk Lamong yang belum melakukan kajian secara mendalam terkait penentuan tarif sebesar 2,5% dan lama waktu konsesi. Penelitian ini bertujuan untuk memberikan model konsesi yang efektif dan saling menguntungkan antara pihak-pihak yang terlibat. Metode yang digunakan yaitu dengan menggunakan metode BCR (Benefit Cost Rasio) dan analisis sensitivitas. Dari hasil penelitian ini untuk komponen yang paling berpengaruh adalah tarif konsesi dan tarif pelabuhan. Kemudian untuk waktu konsesi dengan nilai BCR > 1 pada tahun ke 27 untuk payback period pada tahun ke 23 dan untuk lama konsesi yaitu 60 tahun dengan tarif konsesi 2,5% dari pendapatan pelabuhan. Kata kunci: Analisis Sensitivitas; Konsesi; Lama Waktu Konsesi; Metode BCR; Tarif Konsesi.

Pembuatan Cool Box Portable dengan Sistem Pendingin Air Guna Mendukung Cold Chain pada Distribusi Ikan dan Menjaga Kualitas Ikan Tangkapan Nelayan Achmad Mustakim; Mashuri; Firmanto Hadi; Hasan Iqbal Nur; Pratiwi Wuryaningrum; Oktaviani Turbaningsih; Alwi Sina Khaqiqi
Sewagati Vol 7 No 1 (2023)
Publisher : Pusat Publikasi ITS

Desa Bulak merupakan daerah yang berada di Kota Surabaya, dengan penduduk mayoritas bekerja sebagai nelayan. Permasalahan yang terjadi pada nelayan mengenai sulitnya bongkar muat hasil tangkapan ketika selesai mencari ikan. Hal ini dikarenakan lama waktu yang dibutuhkan untuk mencari ikan saat air pasang tidak bisa diprediksi dan nelayan tidak bisa membawa hasil tangkapan ke darat. Ikan yang akan dibawa perlu dipanggul membuat hasil tangkapan dapat berjatuhan. Penggunaan alat untuk menjaga kualitas ikan menggunakan es batu, tetapi tidak tahan lama dan biaya mahal. Ketika dalam penangkapan ikan membutuhkan waktu lama, maka kualitas ikan menurun yang membuat pendapatan nelayan menurun. Dengan kondisi ini, dilakukan analisi dengan metode HOQ membuat Cool Box Portable untuk menjaga kualitas tangkapan nelayan dan membantu proses bongkar muat hasil tangkapan. Untuk Cool Box Portable memiliki panjang 1150 mm, lebar 500 mm, dan tinggi 500 mm dengan kapasitas 25 kg. Untuk tinjauan waktu selama lima tahun dengan rasio manfaat sebesar 4,16 dengan kondisi eksisting sebesar 1,57.

Analysis of Intermodal Freight Transport Efficiency: Study of the Java-Sumatra Route Faris Nofandi; Alwi Sina Khaqiqi; Rizki Adi Pratama
International Journal of Marine Engineering Innovation and Research Vol 8, No 4 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i4.19323

As an archipelagic country, Indonesia has abundant natural resources and the potential to develop various industries. In this case, the Ministry of Industry still relies on Java as a location to encourage industrial activities in Indonesia. One of the largest industrial areas in Indonesia is located in the western area of Java Island, namely in the Pulogadung, Karawang, and Bekasi areas. Geographically, Indonesia, an archipelagic country, has good inter-island connectivity. The maritime transportation sector is a strategic component forming the national transportation system. Apart from that, the competitiveness of Indonesian commodities, goods, and services is developed due to national logistics prices, which are partly determined by transportation costs. The many commodities produced on Java Island have resulted in a high demand for goods from Java Island. The cost of shipping goods plays a significant role in the buyer's price. In this research, several options were analyzed for sending goods from Java to Sumatera, namely by using a truck and then crossing by ship from Merak Port to Bakauheni Port or sending by ship to Panjang Port, from Tanjung Priok Port or Ciwandan Port. This research was conducted to select a mode of transportation with a minimum unit cost to support delivery activities. Then, this research was carried out using an optimization method to make the shipping costs incurred more optimal. The results of this research will provide an analysis of the efficiency of intermodal transportation in transporting goods on the Java-Sumatera route.

ANALYSIS OF THE UTILIZATION OF THE HARBOR AREA AT THE PORT OF TANJUNG PERAK Siahaan, Renta Novaliana; Hasugian, Sereati; Nofandi, Faris; Khaqiqi, Alwi Sina; Pratama , Rizki Adi
Meteor STIP Marunda Vol 17 No 1 (2024): June
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v17i1.363

Tanjung Perak Port is the initial gateway to Surabaya which handles more than 40% of international goods trade. In this case, the Kertosusilo Gate Area (GKS) has a very important position with its sea area having the busiest shipping lanes in Indonesia with 15,409 vessels operating at the end of 2021. The dense distribution of port activities in sea transportation creates complex problems which impact on delays in cargo delivery in Tanjung Perak Harbor. Problems that arise include sedimentation due to the construction of the Maspion Indonesia Port terminal, narrowing of sea water and changes in sea area which causes narrowing of the Madura Strait sea area, as well as complaints from port users regarding shipping lanes, anchoring areas in terms of depth, area, Vessel Traffic Services (VTS), services. ship guidance and security. Based on these problems, research was carried out on the utilization and needs of the anchorage area at Tanjung Perak Port. Starting with conducting research preparation, collecting data by compiling data related to the general picture of economic growth, especially in the East Java region as well as operational technicalities and conditions of the Tanjung Perak port. So that we can obtain the results of utilization research for a docking area capacity of 20,330 ships per year with a utility value of the docking area at Tanjung Perak Port of 73.5%.

Pelatihan Welding Inspector di Politeknik Perkapalan Negeri Surabaya Guna Memenuhi Kebutuhan Tenaga Kerja Berkualifikasi di Bidang Pengelasan Fikry, Izzul; Sriwijayasih, Imaniah; Abdillah, Hayy Nur; Wuryaningrum, Nanda Dwi; Khaqiqi, Alwi Sina; Hazman, Muhammad Al; Widyastuti, Indri Ika; Nisazarifa, Adristi; Arninputranto, Wibowo; Wibowo, Alvalo Toto
Jurnal Cakrawala Maritim Vol. 8 No. 1 (2025): Jurnal Cakrawala Maritim
Publisher : P3M Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/jcm.v8i1.33

Teknik Pengelasan (welding) Politeknik Perkapalan Negeri Surabaya mempunyai peralatan praktek dan laboratorium pengelasan . Salah satu teknik dari pengelasan tersebut yakni penyambungan logam dengan cara mencairkan sebagian logam induk dan logam pengisi dengan atau tanpa tekanan dan dengan atau tanpa logam penambah menghasilkan sambungan yang kontinu. Teknik Pengelasan PPNS menyelenggarakan pelatihan Welding Inspector bersertifikat BNSP (Badan Nasional Sertifikasi Profesi) guna memenuhi kebutuhan keahlian dalam negeri maupun luar negeri. Metode yang dipakai dalam pelatihan ini yakni pelatihan, praktik, evaluasi. dan uji kompetensi. Hasil dari Pelatihan Welding Inspector yang diadakan pada 1 Juli - 3 Agustus 2024 di Politeknik Perkapalan Negeri Surabaya berhasil dilakukan dengan tingkat kelulusan 100%. Semua tahapan telah dilalui oleh peserta, dimana materi-materi welding inspection diberikan selama 18 hari yang didalamnya juga termasuk evaluasi materi, selanjutnya peserta melaksanakan kegiatan practical selama 10 hari, dan diakhiri dengan evaluasi practical. Jumlah kelulusan sempurna, menunjukkan bahwa pelatihan yang telah diberikan memiliki impact yang besar bagi peserta. Dengan diadakan pelatihan ini diharapkan Peserta pelatihan akan mendapatkan pengetahuan mengenai proses pengelasan, standar dan kode dalam pengelasan, perilaku material saat proses pengelasan, inspeksi hasil pengelasan, metode pengujian merusak dan tidak merusak, serta kualifikasi pengelasan.

Green Action sebagai Upaya Rehabilitasi Ekosistem Mangrove di Kelurahan Romokalisari, Surabaya Alwi, Alwi Sina Khaqiqi; Rahayuningsih, Siti; Al Hazman, Muhammad; Widyastuti, Indri ika; Sholikah, Evi Nafiatus; Gastriani, Ovi Prina; Wibowo, Sekarsari; Nisazarifa, Adristi; Pujiputra, Anggarjuna Puncak; Sukarno, Friska Intan; Brian, Thomas; Parman
Jurnal Cakrawala Maritim Vol. 8 No. 2 (2025): Jurnal Cakrawala Maritim
Publisher : P3M Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/jcm.v8i2.40

Mangroves have several functions, including maintaining biological balance in coastal ecosystems and tourism. On the other hand, mangroves are also very vulnerable to natural disturbances, anthropogenic, land conversion, and even pollution from various human activities. The success of mangrove planting activities does not only depend on the selection of the type of mangrove to be planted, but also on the selection of a suitable location to support its growth. Mangroves in Romokalisari Village, Surabaya are currently still relatively few. This needs to be planted because the mangroves function as wave breakers and tourist attractions. Mangrove planting activities in Romokalisari Village, Surabaya, were carried out by residents, lecturers and students of the Surabaya State Polytechnic of Shipping. The results of the mangrove planting are expected to have a positive impact on Romokalisari Village, Surabaya and its surroundings.

MODEL PERHITUNGAN PENERAPAN KONSESI PELABUHAN DI INDONESIA Tri Achmadi; Alwi Sina Khaqiqi
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 14 No. 2 (2020)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Pelabuhan merupakan salah satu infrastruktur yang dapat mendukung Sistem Logistik Nasional di Indonesia dikarenakan Indonesia merupakan negara kepulauan. Adanya pelabuhan juga dapat mendukung pertumbuhan ekonomi di wilayah Indonesia. Salah satu syarat untuk dapat melakukan kegiatan kepelabuhanan dengan melakukan konsesi telah diatur pada UU Pelayaran No. 17 Tahun 2008 Pasal 92. Menurut Badan Pemeriksa Keuangan (BPK) untuk saat ini kinerja pengelolaan konsesi pelabuhan belum efektif. Selain itu, juga keluar Instruksi Menteri Perhubungan Republik Indonesia Nomor 6 Tahun 2018 tentang hasil pemeriksaan kinerja atas efektivitas pengelolaan konsesi pelabuhan di Terminal Teluk Lamong yang belum melakukan kajian secara mendalam terkait penentuan tarif sebesar 2,5% dan lama waktu konsesi. Penelitian ini bertujuan untuk memberikan model konsesi yang efektif dan saling menguntungkan antara pihak-pihak yang terlibat. Metode yang digunakan yaitu dengan menggunakan metode BCR (Benefit Cost Rasio) dan analisis sensitivitas. Dari hasil penelitian ini untuk komponen yang paling berpengaruh adalah tarif konsesi dan tarif pelabuhan. Kemudian untuk waktu konsesi dengan nilai BCR > 1 pada tahun ke 27 untuk payback period pada tahun ke 23 dan untuk lama konsesi yaitu 60 tahun dengan tarif konsesi 2,5% dari pendapatan pelabuhan.

Sustainable Paving Blocks from Fly Ash: An Innovation for the SDGs Wibowo, Sekarsari; Cahyono, Luqman; Khaqiqi, Alwi Sina; Rahayuningsih, Siti; Al Hazman, Muhammad; Kusuma, Dwi Mahendra; Ridwansyah, Moh. Farikh Tirta
Civil and Environmental Science Journal (CIVENSE) Vol. 8 No. 2 (2025)
Publisher : Fakultas Teknik Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.civense.2025.008.02.6

This study determined the optimal proportion of fly ash as a partial replacement for Portland cement in paving block mixtures to maximize compressive strength while supporting sustainability. Three fly ash substitution levels (10%, 20%, and 30% by cement weight) were evaluated. All mixtures met the K-300 standard (≥30.6 MPa), but the 20% substitution proved optimal, yielding the highest average compressive strength of 37.2 MPa with the lowest variation (CoV of 5.8%). The incorporation of fly ash also enhanced physical properties by reducing water absorption and porosity. The findings validate the use of fly ash for producing high-performance, environmentally friendly paving blocks that meet stringent quality standards.

Analysis of Intermodal Freight Transport Efficiency: Study of the Java-Sumatra Route Faris Nofandi; Alwi Sina Khaqiqi; Rizki Adi Pratama
International Journal of Marine Engineering Innovation and Research Vol. 8 No. 4 (2023)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i4.5095

As an archipelagic country, Indonesia has abundant natural resources and the potential to develop various industries. In this case, the Ministry of Industry still relies on Java as a location to encourage industrial activities in Indonesia. One of the largest industrial areas in Indonesia is located in the western area of Java Island, namely in the Pulogadung, Karawang, and Bekasi areas. Geographically, Indonesia, an archipelagic country, has good inter-island connectivity. The maritime transportation sector is a strategic component forming the national transportation system. Apart from that, the competitiveness of Indonesian commodities, goods, and services is developed due to national logistics prices, which are partly determined by transportation costs. The many commodities produced on Java Island have resulted in a high demand for goods from Java Island. The cost of shipping goods plays a significant role in the buyer's price. In this research, several options were analyzed for sending goods from Java to Sumatera, namely by using a truck and then crossing by ship from Merak Port to Bakauheni Port or sending by ship to Panjang Port, from Tanjung Priok Port or Ciwandan Port. This research was conducted to select a mode of transportation with a minimum unit cost to support delivery activities. Then, this research was carried out using an optimization method to make the shipping costs incurred more optimal. The results of this research will provide an analysis of the efficiency of intermodal transportation in transporting goods on the Java-Sumatera route.

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