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All Journal Jurnal Tataloka Formosa Journal of Science and Technology (FJST)
Kusmantoro, Yeri
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Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Industrial & Manufacturing Engineering Social Sciences

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Bathymetric Survey Using Singlebeam Echosounder for Calculation of Dredging Volume in Pertamina IV Cilacap Port Channel Kusmantoro, Yeri; Harsono, Gentio; Trismadi, Trismadi; Fatoni, Khoirul Imam
Formosa Journal of Science and Technology Vol. 3 No. 12 (2024): December 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v3i12.12481

Abstract

The TUKS 60 Cilacap Port area is facing significant challenges due to sedimentation that causes the approach channel to silt up, thereby disrupting navigation and ship operations. This study identifies the depth distribution, assesses the quality of the bathymetric survey, and calculates the volume of dredged material needed to maintain a channel depth of 8 meters below the chart datum. The method used is a bathymetric survey using the Odom Hidrotrac II Singlebeam Echosounder (SBES), geodetic data from CORS-based GPS, and tidal correction from Low Water Spring. (LWS). Data processing was carried out using Hypack 2015 software and the average end area method for volume calculation. Survey data were validated using the criteria from the International Hydrographic Organization (IHO) S-44 Edition 6.1.0 standard. (2020). The results show a depth ranging from -1.2 meters to 10 meters, with 95.8% meeting the exclusive and special order criteria. The volume of dredging required to reach the design depth is 159,991 m³. These findings support dredging planning while ensuring navigational safety and operational sustainability of the port, demonstrating the reliability of SBES technology, Hypack 2015, and compliance with IHO validation for the dredging plan.
Perancangan Design of Experiment (DOE) Tingkat Kepuasan Pengguna Transportasi Commuter Line Jakarta Kota-Bogor Novikarany, Riefda; Rifa'i, Bachtiar; Badarudin, Mahmud; Lasmawati, Maysuroh; Kusmantoro, Yeri; Qotrunnada, Farah Mufida; Wajdi, Achmad Farid
TATALOKA Vol 27, No 3 (2025): Volume 27 No. 3 August 2025
Publisher : Universitas Diponegoro Publishing Group, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/tataloka.27.3.281-293

Abstract

Penggunaan moda transportasi Commuter Line di rute Jakarta Kota-Bogor membawa tantangan sekaligus peluang dalam konteks layanan publik dimana jumlah perjalanan rute Jakarta Kota - Bogor masih mendominasi dikarenakan jalur Bogor merupakan jalur dengan jumlah penumpang Commuter Line terbanyak bila dibandingkan dengan jumlah penumpang pada jalur yang lain. Berbagai keberagaman pengguna maupun latar belakang alasan penggunaan Commuter Line, menjadikan tuntutan adanya penetapan kualitas layanan publik yang mempertimbangkan kebutuhan spesifik dari seluruh pengguna. Kajian ini bertujuan pada pengidentifikasian elemen/faktor layanan yang mempengaruhi tingkat kenyamanan pengguna yang perlu ditingkatkan dengan merancang Design of Experiment dari data elemen jumlah gerbong, jadwal operasi commuter line dan ketersediaan informasi. Berdasarkan analisis menggunakan Metode Taguchi didapatkan bahwa faktor yang signifikan mempengaruhi tingkat kepuasan pengguna Commuter Line adalah jadwal operasi Commuter Line dan ketersediaan informasi, hal ini menjadi dasar dari penentuan strategi Commuter Line selanjutnya seperti dengan meningkatkan kualitas dan kuantitas informasi yang bersifat menunjang operasional Commuter Line setiap harinya.
Co-Authors Badarudin, Mahmud Fatoni, Khoirul Imam Gentio Harsono Lasmawati, Maysuroh Novikarany, Riefda Qotrunnada, Farah Mufida Rifa'i, Bachtiar Trismadi Trismadi, Trismadi Wajdi, Achmad Farid