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All Journal JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang Jurnal Teknik Sipil Journal of Engineering and Technological Sciences JURNAL SAINTIS Jurnal Rekayasa Teknik Sipil dan Lingkungan Jurnal Teknologi Lingkungan Lahan Basah
Stefanus Barlian Soeryamassoeka
Universitas Tanjungpura
Civil Engineering, Building, Construction & Architecture Computer Science & IT Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Public Health Transportation

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PERENCANAAN JARINGAN AIR BERSIH UNTUK DESA KENERAK, KECAMATAN SEMITAU Julianto, Fidelis; Soeryamassoeka, Stefanus Barlian; Umar, Umar
JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang Vol 12, No 4 (2025): JeLAST Edisi Desember 2025
Publisher : JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jelast.v12i4.104128

Abstract

Kualitas yang kurang baik sehingga diperlukan suatu penelitian terkait Sistem Penyediaan Air Minum (SPAM) untuk mengetahui berapa besar kebutuhan air bersih yang harus disediakan untuk Desa Kenerak dan perancangan pemipaan sistem penyediaan air besih dengan memanfaatkan sumber air bersih Sungai Lingkau dari Bukit Merigi. Penelitian ini bertujuan untuk mengetahui potensi Sungai Lingkau sebagai sumber air bersih bagi penduduk di Desa Kenerak berdasarkan syarat kualitas, kuantitas dan kontinuitasnya dari hasil survey dan analisis serta merancang pipa pengaliran air Sungai Lingkau (pipa transmisi) untuk memenuhi kebutuhan air masyarakat. Metode yang digunakan untuk mengetahui ketersediaan air Sungai Lingkau adalah Metode Mock. Sedangkan perancangan sistem pengaliran air bersih pipa transmisi menggunakan perangakat lunak EPANET. Dari analisis yang telah dilakukan dapat diketahui bahwa Sungai Lingkau dapat dijadikan sumber air bersih karena (a) Ketersediaan airnya yang dinyatakan dalam nilai debit andalan 99% rata-rat sebesar 9,52 liter/detik dan dapat mencukupi kebutuhan air penduduk desa Kenerak yang besarnya 5,96 liter/detik. Hasil rancangan jaringan pipa transmisi menggunakan pipa HDPE berdiameter 125-250 mm dengan elevasi tertinggi 90 m didapat pressure tertinggi 58,33 m dan terendah 19,95 m, Velocity tertinggi 0,85 m/s dan terendah 0,42 m/s, serta unit headloss tertinggi 6,91 m/km dan terendah 0,85 m/km. oleh karena itu semua persyaratan seperti preasure (10-100) m, velocity (0,3-3) m/s, dan unit headloss maksimal 10 m/km sudah terpenuhi sehingga menunjukan bahwa pipa transmisi yang dirancang dapat digunakan untuk memenuhi kebutuhan air bersih di Desa Kenerak dengan panjang total pipa 3,12 km.
Comparative Analysis of Rainfall-Runoff Model Calibration Using Limited Discharge Data in Landak Sub-Watersheds Teofano, Enrico; Soeryamassoeka, S. B.; Gunarto, Danang
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.94640

Abstract

The limited availability of long-term discharge data remains a significant challenge for rainfall–runoff modeling in Indonesian watersheds, including the Landak Sub-Watershed. This study aims to evaluate the performance of the Mock and Sacramento rainfall–runoff models in simulating river discharge in the Landak Sub-Watershed during the 2022–2023 period. The data used include rainfall, river discharge, and climatological parameters obtained from relevant institutions. The analysis was conducted through model calibration and validation, with model performance evaluated using the correlation coefficient (r) and the RMSE–Standard Deviation of Observations Ratio (RSR). The results show that the Mock model produced moderate correlation coefficients during both the calibration and validation stages (r = 0.64 and 0.65), but with high RSR values, indicating limited agreement with the observed discharge. The Sacramento model demonstrated better performance, with strong calibration (r = 0.73) and moderate validation (r = 0.66), although the RSR values remained high. Overall, both models can represent flow patterns but are not yet capable of accurately reproducing discharge magnitudes due to data limitations and high rainfall variability
Development of IDF Curve for Pontianak City Based on BRIN Rainfall Data During the 2014–2022 Observation Period Hui, Sin; Soeryamassoeka, S. B.; Umar, Umar
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.94750

Abstract

This study aims to develop an Intensity–Duration–Frequency (IDF) curve for Pontianak City using short-duration rainfall data recorded at the BRIN automatic weather station from 2014 to 2022. The RAPS consistency test confirmed that the data were statistically valid and suitable for hydrological analysis. Frequency analysis was conducted using several probability distributions, including Normal, Gumbel Type I, Log Pearson Type III, and Log-Normal (2- and 3-parameter), with the Normal distribution selected as the best fit based on goodness-of-fit and chi-square tests. Rainfall intensities were then calculated using the Mononobe method, with a locally calibrated sensitivity parameter m = 0.846. The resulting intensity equations for return periods of 2, 5, 10, 20, 50, and 100 years follow the exponential form I = a⋅t−0.846, where I is the rainfall intensity (mm/hour), t is the duration (minutes), and a is a return period–specific coefficient. The IDF curves demonstrate an inverse relationship between intensity and duration, confirming expected tropical rainfall behavior. These results provide a reliable tool for urban drainage design and flood risk assessment in Pontianak City
Analisis Skala Prioritas Pengendalian Banjir di Kabupaten Kubu Raya Nauli, Sachika Aurelia; Soeryamassoeka, Stefanus Barlian; Umar, Umar
Jurnal Teknologi Lingkungan Lahan Basah Vol 14, No 1 (2026): January 2026
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v14i1.97165

Abstract

Geographical conditions and a suboptimal drainage system capacity make Kubu Raya Regency in West Kalimantan Province highly vulnerable to flooding. This study aims to determine the priority scale in flood control in three subdistricts, including Sungai Raya, Sungai Ambawang, and Kuala Mandor B, by using the Analytical Hierarchy Process (AHP) method. Data were collected by distributing questionnaires to stakeholders and related parties to obtain paired assessments of various criteria and alternative strategies. The analysis results show that the most effective priority strategies for each region are a reforestation program in Sungai Raya District, the implementation of flood-prone area zoning in Sungai Ambawang, and a revision of spatial planning policies in Kuala Mandor B. These findings are expected to provide an empirical basis for the local government in formulating effective flood mitigation policies.
Co-Authors AA Sudharmawan, AA Abang Alvin Septiady Pratama Akafi, M. Ma'ruf Alfaro, Aldi Alfira, Dhea Apri Ananda Putra Azwa Nirmala Azwa, Nirmala Baihaqi, Reza Barage, Lourdes Meirista Buan, Berloskoni Candra, Diki Danial, Mochammmad Meddy Edwardo Dommy, Bung Nemesio EKO YULIANTO Eko Yulianto Ella Prastika Erlanda Elsa, Mukti Tri Elsy Ivana Clara Ivana Erni Yuniarti Erni Yuniarti Erni, Yuniarti Erwin Sutandar Fahrul Razi Fattah, Fathan Abdul Ferdyansyah, Syarif Muhammad Fikriansyah, Irfan Fikry Putra Ramadhani Fiqih Rahmanto Firjatullah, Muhammad Fitriana Meilasari Fitrianingsih, Yulisa Fung, Nyit Gampo, Edi Goewin, Felix Wesley Gunarto, Danang Haryanda, Andi Fikri Hendri Sutrisno Henny Herawati Herawati, Henny Hui, Sin Iman, Sumantri Indah, Fitriani Meta Irfansyah, Muhammad Irmansyah, Fitri Iwansyah, Iwansyah Julianto, Fidelis Kartini Kartini Kartini Kartini Kembara, Riko Komala, Erwan Kurniadi, Tedi Kurniawan, Muhammad Hafiz Liehan, James Mahendra, Dandy Roffi Manurung, Amos Parulian Meilasari, Fitriana Meirany, J. Meiteza, Shella Mesio, Marsianus Miranda, Juwita Mochammad Meddy Danial Muhammad Azhar Irwansyah Muhammad Sidik Muslim, Alfin Islami Ibnu Nathaniel, Yose Gerard Nauli, Sachika Aurelia Nurhayati Nurhayati Nurhayati Nurhayati Nurul Hidayati Paraya, Mario Igor Pradanapa, Permada Garah Pratama, Andikha Pratama, Ya'Muhammad Erdi Putra, Enggar Jaya R, Hernovianty F Ranate, Chelsea Riandini, Alfi Rifani, Hastami Riyanda Nurcahyo Rizki Purnaini Rizky, Firgenius Robby Irsan Safaruddin, Nuh M. Senoaji, Arif Setiawan, Eric Silalahi, Kevin Aglesio Simanjuntak, Nunut Rialdi Simbolon, Roy Binsar Sahat Maruli Tua Siti Aprilianti Suci Suci, Suci Susanto, Nugroho Adji Sutera, Mahardika Wira Aji Bayu Sutrisno, Hendri Syahrudin Syahrudin, Syahrudin Tangkadas, Charles Gonzaga Teguh, Rahmat Teofano, Enrico Umar Umar Umar Umar Wandi, Thomas yance yance Yuanita, Ezzy Zulfian Zulfian