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All Journal JURNAL PENELITIAN SAINTIKA Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil JST ( Jurnal Sains Terapan ) Jurnal Riset Rekayasa Sipil Jurnal Tecnoscienza Didaktik : Jurnal Ilmiah PGSD STKIP Subang Akselerasi Jurnal Ilmiah Teknik Sipil Prosiding Konferensi Nasional PKM-CSR Educational Building: Jurnal Pendidikan Teknik Bangunan dan Sipil International Journal of Hydrological and Environmental for Sustainability Jurnal Teknologi dan Rekayasa Sumber Daya Air Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Buletin Utama Teknik JURNAL TEKNOLOGI LINGKUNGAN Jurnal Teknik Sipil EMARA : Indonesian Journal of Architecture Jurnal Ilmu Teknik Sipil Indonesia (JITESNA)
Harahap, Rumilla
Fakultas Teknik Universitas Nageri Medan
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Geometric Characteristics And Sedimentation Analysis Of Urban Drainage Channels In Alumunium Raya Tiur Sari Tua Sinaga; Ardino Wira Jaya; Rizky Simanjuntak; Wisnu Prayogo; Rumilla Harahap
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 2 (2026): JITESNA - Juli
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i2.1386

Abstract

Urban drainage systems are crucial for managing surface runoff and preventing flooding in densely populated areas like Medan. However, rapid urbanization, population growth, and sedimentary layers often reduce the hydraulic capacity of these channels, which can lead to local flooding. The purpose of this study was to examine the geometric characteristics and sedimentation conditions of the drainage channels on Jalan Alumunium Raya Medan. This study used a descriptive-evaluative method that combined field surveys for primary data on nine observation segments with secondary data analysis in the form of rainfall and population statistics. The study found significant sedimentation with a height of up to 0.8 m, reducing the effective capacity of the channel.Geometric measurements indicate that the channel is between 1.0 and 1.55 meters wide and 0.45 and 1.4 meters deep. Analysis indicates that the projected population of 37,050 by 2025 and high annual rainfall (2,100–2,600 mm) both increase the amount of runoff the system must handle. The total sediment volume is 1,359.23 m³, and the flow rate is 1.94 m³/s. In conclusion, the current drainage system is not functioning properly and can cause flooding. To restore the effective capacity of the channel and ensure long-term urban water management, regular maintenance, sediment dredging, and normalization of the channel dimensions are essential.
Analisis Sistem Drainase Dalam Mengurangi Genangang Air Kota Medan Kecamatan Percut Sei Tuan Rika Dona Puspita; Gari Daniel Silaban; Wisnu Prayogo; Rizky Simanjuntak; Rumilla Harahap; Yuni Yolanda
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 2 (2026): JITESNA - Juli
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i2.1387

Abstract

Urban drainage systems play an important role in managing stormwater runoff in urban areas. Rapid urban development often reduces infiltration areas and increases surface runoff, which can lead to flooding and waterlogging in several locations. This study aims to analyze the performance of urban drainage systems and identify factors causing water inundation in urban areas. The research method used is a descriptive quantitative approach by evaluating drainage channels based on rainfall data, channel capacity, sedimentation conditions, and supporting environmental factors. Secondary data were collected from previous studies and hydrological analysis results. The analysis includes rainfall intensity calculation, runoff discharge estimation, and comparison with existing drainage channel capacity. The results show that several drainage channels are unable to accommodate the design discharge due to sedimentation, waste accumulation, and changes in land use. In addition, insufficient maintenance of drainage channels also contributes to the reduced performance of the drainage system. Therefore, improvements in drainage channel capacity, routine maintenance, and integrated urban drainage planning are needed to reduce flood risks in urban areas. The results of this study are expected to provide useful information for local governments in improving urban drainage management systems.
Analisis Kapasitas Saluran Drainase Berdasarkan Analisis Curah Hujan Di Jalan Rahayu Pasar Vii Tembung Wardatun Najwa; Rizky Simanjuntak; Kanisius Delvin S Gulo; Wisnu Prayogo; Rumilla Harahap
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 2 (2026): JITESNA - Juli
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i2.1388

Abstract

The rapid population growth, projected to reach 151,340 people by 2026, significantly increases the burden on urban infrastructure. This study aims to evaluate the adequacy of the existing drainage channel capacity in coping with a 50-year return period rainfall of 3,861 mm. The methodology employed is field research using a quantitative approach through direct observation and measurement at the study site. Hydrological analysis was conducted by accounting for an evapotranspiration factor of 60% to obtain accurate runoff values. The results indicate that water flow efficiency is severely hindered by sediment accumulation, with the highest sediment volume reaching 728.26 m³ and a thickness of 0.41 m. Technically, the current channel dimensions are only safe for a return period of ≤10 years. Therefore, strategic measures are required, including channel redesign and periodic sediment dredging management, to ensure long-term safety and minimize flood risks for the community.
Analisis Sedimentasi Pada Saluran Drainase Di Kecamatan Medan Johor,Kota Medan Lioni Gabby Ella Br Ginting; Rizky Simanjuntak; Wisnu Prayogo; Rumilla Harahap
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 2 (2026): JITESNA - Juli
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i2.1390

Abstract

This study aims to examine the sedimentation condition in drainage channels located in Medan Johor District, Medan City, and to analyze its impact on channel flow capacity. The background of this research is the decreasing performance of drainage systems due to the accumulation of sediments originating from surface runoff, community activities, and solid materials transported by rainwater. The method employed in this study is a field survey involving direct measurements of channel dimensions, including length, width, depth, and sediment thickness at several observation points. The collected data were processed to estimate sediment volume using a geometric calculation approach. The analysis results indicate that the total sediment volume across seven observation segments reaches 2,180.75 m³, reflecting a relatively high level of sedimentation. This condition leads to a reduction in channel capacity, resulting in suboptimal water flow. Furthermore, population growth contributes to increased domestic wastewater entering the drainage system. If not properly managed, this situation may increase the risk of waterlogging and flooding. Therefore, sustainable drainage management and regular maintenance are essential to improve system performance.
Evaluasi Kinerja Sistem Drainase Berdasarkan Analisis Sedimentasi Di Jalan Makmur Hutan, Medan Tembung Oktavianus Napitu; Muhammad Al Bukhary; Rizky Simanjuntak; Wisnu Prayogo; Rumilla Harahap
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 2 (2026): JITESNA - Juli
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i2.1422

Abstract

Urban drainage systems frequently experience performance degradation due to sedimentation and increased domestic wastewater, leading to inundation in residential areas. This study aims to evaluate the causes of inundation and sedimentation in the drainage system on Jalan Makmur Hutan, Medan Tembung District, Medan City. Primary data were obtained from seven observation segments through direct field measurements, including channel dimensions and sediment thickness, while secondary data consisted of 11-year rainfall records (2013–2023) from the Deli Serdang Climatology Station and population data for the same period. Hydrological analysis was conducted using the Log Pearson Type III distribution method to estimate design flood discharges for various return periods, and population projections for 2, 5, 10, 25, and 100 years were calculated using arithmetic, geometric, exponential, linear regression, and least square methods to estimate domestic wastewater discharge. The results showed that the average sediment thickness reached 0.27 m, reducing channel capacity by 29.7%, while the 5-year return period flood discharge was 6.34 m³/s. These findings indicate that sedimentation is the primary factor contributing to reduced drainage performance and frequent inundation in the study area. Therefore, regular channel normalization, routine maintenance, and integrated domestic wastewater management are essential to improve drainage performance and prevent future flooding.
Evaluasi Sistem Drainase Perkotaan Berdasarkan Curah Hujan Studi Kasus : Jalan Bambu Hingga Jalan Perjuanagn, Kota Medan, Sumatera Utara Annisa Zahra Fakhira; Khalill Gibran Diqri; Wisnu Prayogo; Rizky Simanjuntak; Rumilla Harahap
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 2 (2026): JITESNA - Juli
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i2.1626

Abstract

Urban drainage systems play an important role in controlling stormwater runoff to prevent flooding and surface water ponding. This study aims to evaluate the condition of the drainage system on Jalan Bambu based on rainfall influence and the physical condition of the channels. The method used was direct field observation on six channel segments (Segments I–VI), including measurements of geometric parameters such as width, depth, and sediment height, as well as identification of existing channel conditions. The results show that most drainage channels experience a decline in function due to sediment deposits, organic and inorganic waste, and the growth of wild vegetation. The channel width ranges from 85–130 cm with depths of 52–224 cm, while sediment height reaches 5–14 cm. These conditions reduce flow capacity and increase the risk of flooding during high rainfall events. Some segments remain in relatively good condition, although waste accumulation still indicates insufficient maintenance. In conclusion, the drainage system on Jalan Bambu is not yet functioning optimally due to sediment and waste accumulation that obstructs flow. Therefore, channel normalization, routine maintenance, and increased public awareness of environmental cleanliness are required to improve drainage performance.
Flood Inundation Mapping in Medan Maimun, Medan City Using HEC-RAS 2D and the Nakayasu Synthetic Unit Hydrograph Sarra Rahmadani; Dewi Fitria Marlisa; Rumilla Harahap; Siti Zulfa Yuzni; Nanda Savira Ersa; Cut Meuthia Rani; Al Fatahillah; Muh. Ilham Anggamulia; Yusuf Aulia Lubis; Anni Zahara Putri; Wisnu Prayogo
International Journal of Hydrological and Environmental for Sustainability Vol. 5 No. 2 (2026): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v5i2.1328

Abstract

Flood inundation mapping is a critical tool for urban flood risk assessment in tropical cities. This study investigates flood inundation extent in Medan Maimun Sub-district, Medan City, one of the most flood-prone areas in North Sumatra, Indonesia, where flood depths of approximately 3 meters were reported in February 2022 and December 2023. The study aims to: (1) determine design rainfall through frequency analysis and calculate design flood discharge for return periods of 2, 5, 10, 25, 50, and 100 years using the Nakayasu Synthetic Unit Hydrograph (SUH Nakayasu) method; (2) simulate flood routing using two-dimensional hydraulic modeling; and (3) map the resulting flood inundation extent for each return period. Rainfall frequency analysis used annual maximum rainfall data from two stations for the period 2014–2023, with the Log Pearson III method selected based on Chi-Square goodness-of-fit testing. Design flood discharges ranged from 383.403 m³/s at the 2-year return period to 555.149 m³/s at the 100-year return period. Flood routing and inundation mapping were performed using HEC-RAS version 5.0.7 integrated with RAS Mapper. Total inundation area increased from 110.982 ha at the 2-year return period to 126.581 ha at the 100-year return period, covering approximately 41.6% of the sub-district area at the 100-year return period. The model was not formally calibrated or validated against observed flood data; results should be interpreted as indicative of relative flood risk patterns rather than precise predictions. The flood inundation maps produced provide a useful scientific basis for flood mitigation planning in Medan city, Indonesia.
Analisis Hubungan Kecepatan Aliran dan Karakteristik Hidraulik pada Sungai dan Saluran Irigasi Yolanda, Yuni; Prayogo, Wisnu; Harahap, Rumilla; Anggraini, Arrisha
Jurnal Teknologi dan Rekayasa Sumber Daya Air Vol. 7 No. 1 (2027): Jurnal Teknologi dan Rekayasa Sumber Daya Air (JTRESDA) In Press
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtresda.2027.7.1.3

Abstract

Sungai dan saluran irigasi merupakan komponen penting sistem daerah aliran sungai (DAS) dalam penyediaan air, pengendalian banjir, serta menunjang pertanian dan kehidupan masyarakat. Dinamika alirannya dipengaruhi oleh karakteristik hidraulik yang saling berkaitan, tetapi hubungan antarparameter di lapangan tidak selalu linier karena variasi topografi, morfologi saluran, dan modifikasi manusia. Penelitian ini bertujuan menganalisis hubungan kecepatan aliran dengan lebar badan air, kedalaman rerata, luas penampang basah, kecerahan air, dan debit aliran pada sungai serta saluran irigasi. Penelitian kuantitatif dengan desain observasional analitik dilakukan pada 14 stasiun di Kabupaten Deli Serdang, Kabupaten Langkat, dan Kota Medan. Data diperoleh melalui pengukuran lapangan dan dianalisis menggunakan korelasi Pearson. Hasil menunjukkan hubungan sangat kuat dan signifikan antara lebar badan air dan debit aliran (r=0,803; p<0,01), serta kedalaman rerata dan luas penampang basah (r=0,743; p<0,01). Debit aliran juga berkorelasi kuat dengan kecerahan air (r=0,673; p<0,01), yang menunjukkan keterkaitan dinamika aliran dengan kualitas fisik perairan. Sebaliknya, hubungan kecepatan aliran dengan parameter lain tergolong sedang hingga rendah. Parameter geometrik saluran lebih dominan membentuk debit dibandingkan kecepatan aliran, sehingga hubungan hidraulik perlu dipahami untuk pengelolaan dan pemantauan DAS berkelanjutan.
Co-Authors Adi Marta Ahmad Zulfikar Aini, Majidah Al Fatahillah Ana Susanti Yusman Anggraini, Arrisha Anisah Lukman Anisah Lukman Anisah Lukman Anni Zahara Putri Annisa Zahra Fakhira Ardino Wira Jaya Arjuna Sihole Athiyah Jauhariyah Nasution Bambang Hadibroto Barlian, Edo Catherine Honey Mahadewi Charly Yosep Ardana Silalahi2 Cut Meuthia Rani David Santo Afrizon Dewi Fitria Marlisa Dicky Almahera Edwart Samuel Gaby Siahaan Ersa, Nanda Savira Fadillia, Mena Gari Daniel Silaban Harry Wibowo Ilmi Alfiah Daulay INDRAYANI INDRAYANI Jupriah Sarifah Kanisius Delvin S Gulo Kemala Jeumpa Kemala Jeumpa Kemala Jeumpa Khalill Gibran Diqri Lioni Gabby Ella Br Ginting Lubis, Marwan M. Nauvan Afriandi Miftaqul Huda Muh. Ilham Anggamulia Muhammad Al Bukhary Nadya Lamria Oktavianus Napitu P, Ilma Hamdalah Pongtuluran, Ezra Hartarto Prayogo, Wisnu Rachmat Mulyana Radiansyah Simbolon Rafuad T. Siregar Rahmadani, Sarra Riduan Siregar Rika Dona Puspita Rizky Simanjuntak Ronal H.T Simbolon Ronal HT. Simbolon Rosinta M Sinaga Sarifah, Jupriah Sarra Rahmadani Sarra Rahmadani Seny Climenty Siagian Simanjuntak, Rizky Siswahyudianto Siti Zulfa Yuzni Sutrisno, Sutrisno Tiur Sari Tua Sinaga Wardatun Najwa Wisnu Prayogo Wisnu Prayogo Yessika Angelina Simaremare Yosep P. Sinaga Yuni Yolanda Yuni Yolanda Yusuf Aulia Lubis Zhilli Izzadati Khairuni