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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

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

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

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

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.

Analisis Kapasitas Saluran Drainase Untuk Mengurangi Genangan Air Di Kawasan Jalan Taduan Kecamatan Medan Tembung Cinta Fhidelia Simanjuntak; Beatrix Denada Sidabukke; Rizky Simanjuntak
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.v2i2.1391

Urban drainage systems play an important role in channeling rainwater and household wastewater so that they do not cause puddles or flooding in residential areas. Along with the increasing development and land use in urban areas, the capacity of drainage channels is often unable to accommodate the existing water discharge. This study aims to analyze the capacity of drainage channels located on Taduan Street, Medan Tembung District, and to determine their suitability for the existing rainfall discharge. The research method used is a quantitative method with data collection through field surveys to measure the dimensions of the drainage channels and collect rainfall data. The data were then analyzed to calculate the rainfall discharge and the capacity of the existing drainage channels. The results show that several parts of the channels experience sedimentation, narrowing, and the presence of household waste that obstructs water flow. These conditions reduce the capacity of the channels so that they are unable to accommodate water discharge optimally. Therefore, routine maintenance and improvement of channel dimensions are needed so that the drainage system can function more effectively in reducing water inundation.

Kasifikasi Kondisi Saluran Drainase Perkotaan Berdasarkan Dimensi, Ketinggian Air, Dan Sedimentasi Di Medan, Indonesia Fifi Aliyda; Zulham Prasetyo; Yuni Yolanda; Rizky Simanjuntak; Rumillah Harahap; Wisnu Prayogo
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.v2i2.1401

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.

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

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

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.

EVALUASI KECUKUPAN KAPASITAS SALURAN DRAINASE JALAN TIPE U-DITCH PRACETAK JALAN TELUK NIBUNG Arrisha Anggraini; Wenny Herdianti; Wisnu Prayogo; Yuni Yolanda; Rizky Simanjuntak; A. Daniel Anderson Munthe
JMTS: Jurnal Mitra Teknik Sipil Volume 9, Nomor 2, Mei 2026
Publisher : Prodi Sarjana Teknik Sipil, FT, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmts.v9i2.36951

Urban road drainage systems are critical infrastructure for managing surface runoff and preventing inundation, particularly in densely populated residential corridors where land imperviousness is high. Teluk Nibung Road (STA. 188+855–189+295) in Tanjung Balai, North Sumatra, is a 440-meter corridor served by precast U-ditch drainage channels that have never been technically evaluated for hydraulic adequacy, thereby necessitating a systematic assessment. The evaluation methodology follows Pd T-02-2006-B, encompassing hydrological analysis using the Rational Method to derive the design discharge (Qr), hydraulic analysis using the Manning equation to determine the existing channel capacity (Qs), and capacity adequacy assessment based on the criterion Qs ≥ Qr. Rainfall data were sourced from the Meteorology, Climatology, and Geophysics Agency (BMKG) through the Tanjung Balai City Statistics Agency (BPS) covering the period 2008–2017, with a 5-year return period applied. The time of concentration, computed from overland flow travel time and channel flow travel time, yielded Tc = 6.530 minutes (0.109 hours), and the 5-year design rainfall intensity was established at 175 mm/h. The catchment area is 6,160 m², and a base runoff coefficient C₀ representing land-cover characteristics was applied together with a correction factor fk to account for dense residential conditions and planning safety margins, yielding a design discharge of Qr = 0.283 m³/s. The existing channel (0.60 m × 0.30 m) has a hydraulic capacity of Qs = 0.907 m³/s, confirming that Qs ≥ Qr and the channel is hydraulically adequate under the analyzed conditions. Nevertheless, operational performance remains susceptible to reduction in effective cross-sectional area owing to sedimentation and solid waste accumulation, and therefore routine maintenance is recommended to sustain drainage functionality. Abstrak Sistem drainase jalan perkotaan berperan penting dalam mengendalikan limpasan air hujan dan mencegah genangan, khususnya pada koridor permukiman padat dengan tingkat kedap air yang tinggi. Jalan Teluk Nibung (STA. 188+855–189+295) di Tanjung Balai, Sumatera Utara, merupakan koridor sepanjang 440 meter yang dilayani saluran drainase U-ditch pracetak dan belum pernah dievaluasi secara teknis terkait kecukupan kapasitasnya, sehingga diperlukan evaluasi yang sistematis. Metodologi evaluasi mengacu pada Pd T-02-2006-B, meliputi analisis hidrologi menggunakan metode rasional untuk memperoleh debit rencana (Qr), analisis hidraulika dengan persamaan Manning untuk menentukan kapasitas saluran eksisting (Qs), serta evaluasi kecukupan kapasitas berdasarkan kriteria Qs ≥ Qr. Data curah hujan bersumber dari Badan Meteorologi, Klimatologi, dan Geofisika (BMKG) melalui Badan Pusat Statistik (BPS) Kota Tanjung Balai, mencakup periode 2008–2017 dengan periode ulang 5 tahun. Waktu konsentrasi dihitung dari komponen waktu aliran permukaan dan waktu aliran dalam saluran, sehingga diperoleh Tc = 6,530 menit (0,109 jam), sedangkan intensitas hujan rencana periode ulang 5 tahun ditetapkan sebesar 175 mm/jam. Luas daerah tangkapan adalah 6.160 m², dan koefisien limpasan dasar C₀ yang merepresentasikan karakteristik tutupan lahan digunakan bersama faktor koreksi fk untuk merepresentasikan kondisi kawasan permukiman padat dan faktor keamanan perencanaan, sehingga diperoleh debit rencana Qr = 0,283 m³/det. Saluran eksisting berdimensi 0,60 m × 0,30 m memiliki kapasitas hidraulis Qs = 0,907 m³/det, sehingga Qs ≥ Qr dan saluran dinyatakan memadai secara hidraulis pada kondisi yang dianalisis. Meskipun demikian, kinerja operasional tetap rentan terhadap penurunan luas penampang efektif akibat sedimentasi dan akumulasi sampah, sehingga pemeliharaan rutin direkomendasikan untuk menjaga fungsi drainase.

Evaluation of Drainage Channel Capacity on Rela–Sutomo Road, Medan City, Indonesia Melvi Maulita Napitupulu; Ridho Azahar; Wisnu Prayogo; Fikryah Atikah Pane; Sarra Rahmadani; Rizky Simanjuntak; Ahmad Zulfikar
Journal of Infrastructure and Civil Engineering Vol. 6 No. 2 (2026)
Publisher : Program Studi Teknik Sipil Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/jice.v6i2.192

This study evaluated the capacity of the drainage system along Rela–Sutomo Road, Medan, to accommodate rainfall runoff and domestic wastewater. Rapid urban development and population growth have increased impervious surface coverage, surface runoff, and domestic wastewater generation, potentially exceeding the conveyance capacity of the existing drainage channels. This study aimed to determine whether the existing drainage system could accommodate the combined design discharge. The analysis included population projection using the least-squares method, estimation of domestic wastewater discharge, rainfall frequency analysis using the selected probability distribution for a 10-year return period, rainfall intensity estimation using the Mononobe method, runoff calculation using the rational method, and channel capacity calculation using Manning’s formula. Sediment depths and channel dimensions were directly measured across 10 drainage segments. The results showed that the design runoff discharge for the selected 10-year return period reached 24.46 m³/s, whereas the existing channel capacity was only 1.31 m³/s. Sediment accumulation reduced the effective cross-sectional area and decreased the channel capacity by up to 30%. Consequently, the combined inflow substantially exceeded the available channel capacity, indicating critical hydraulic overload and a high risk of flooding and surface inundation. The existing drainage system is therefore inadequate and requires channel normalization, periodic sediment removal, and hydraulic capacity improvement

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