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All Journal Jurnal Ilmu Teknik Sipil Indonesia (JITESNA)
Yoland, Yuni
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Mechanical Engineering Transportation

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Evaluasi Sistem Drainase Perkotaan Berdasarkan Curah Hujan Empat Tahun Terakhir : Studi Kasus Jalan Rumah Sakit Haji – Willem Iskandar Raihan, Abiyan; Yoland, Yuni; Pratama, Al Fitra
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 1 (2026): JITESNA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i1.1380

Abstract

Urban drainage systems play a critical role in conveying rainfall and preventing flooding in urban areas. However, changes in land use and inadequate maintenance can reduce the flow capacity of drainage channels, increasing the risk of waterlogging. This study aims to evaluate the performance of the urban drainage system based on four years of rainfall data (2020–2023) at Jalan Rumah Sakit Haji, Percut Sei Tuan District, Deli Serdang Regency, Medan City, Indonesia. A quantitative approach was applied using hydrological and hydraulic analysis. Primary data included field measurements of drainage channel dimensions and observations of physical conditions, while secondary data included daily rainfall records and drainage network maps. The design discharge was calculated using the Rational Method, and the existing channel capacity was determined using Manning's equation. The results show that 40% of the sampled channels can still accommodate the design discharge, while 60% experience reduced capacity due to sedimentation, debris blockage, and poor physical condition. High sediment accumulation, debris, and moss growth are the main factors reducing capacity, and the presence of animals such as monitor lizards indicates poorly maintained open channels. Technical recommendations include channel normalization, routine cleaning, local dimension improvements, sustainable drainage implementation, and regular monitoring and maintenance. This study provides scientific evidence to guide the improvement of urban drainage systems to reduce the risk of flooding.
Analisis Kondisi Fisik Dan Efektivitas Saluran Drainase Berdasarkan Sedimentasi: Studi Kasus Batang Kuis,Deli Serdang Simbolon, Dwi Anfdreas F.; Yoland, Yuni; Siboro, Diah Wasilah Natarida
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 1 (2026): JITESNA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i1.1381

Abstract

Sedimentation in drainage channels is one of the main factors that reduces flow capacity and causes inundation, especially in rapidly developing residential areas. This study aims to analyze the physical condition and effectiveness of drainage channels based on sedimentation levels in Batang Kuis District, Deli Serdang Regency. The method used is direct field measurement on 13 drainage segments, with parameters including channel width, channel height, water width, water depth, and sediment thickness. The collected data were analyzed using a quantitative descriptive approach by calculating total channel volume, sediment volume, effective channel volume, and sediment composition percentage. The results show significant variations in physical conditions and channel capacity among segments. The largest total volume was found in segment 8 (269.43 m³), while the smallest was in segment 12 (31.07 m³). High sedimentation in several segments significantly reduced the effective capacity, even approaching zero in some locations. In addition, sediment composition dominated by fine particles such as silt and clay tends to accelerate deposition and hinder water flow. Based on the analysis, several segments are categorized as critical and require immediate maintenance through routine cleaning and channel improvement. This study is expected to serve as a basis for evaluating and managing drainage systems to reduce inundation risk and improve flow effectiveness.
Co-Authors Pratama, Al Fitra Raihan, Abiyan Siboro, Diah Wasilah Natarida Simbolon, Dwi Anfdreas F.