Analisa dan Evaluasi Kawasan Sungai Batang Jirak Guna Menanggulangi Banjir pada Kelurahan Pengambiran Kecamatan Lubuk Begalung Kota Padang

Lili Leilany; Rahma Aisya; Nadra Arsyad; Afrilda Sari

doi:10.47233/rivet.v5i02.2399

Lili Leilany UPI YPTK padang
Rahma Aisya Program Studi Teknik Sipil, Universitas Putra Indonesia YPTK Padang
Nadra Arsyad Prodi Teknik Sipil, Fakultas Teknik, Universitas Putra Indonesia �YPTK� Padang
Afrilda Sari Prodi Teknik Sipil, Fakultas Teknik, Universitas Putra Indonesia �YPTK� Padang

DOI: https://doi.org/10.47233/rivet.v5i02.2399

Abstract

Flooding is a frequent natural disaster in Padang City, particularly in
Pegambiran Village, Lubuk Begalung District. The Batang Jirak River is one of the
rivers that traverses the area and plays a crucial role in flood mitigation. This study
aims to analyze and evaluate the Batang Jirak River area for flood mitigation using
HEC-RAS software. The research method used is hydrological analysis and spatial
analysis using rainfall data, river discharge data, and spatial data of the river area.
The HEC-RAS modeling results indicate that the Batang Jirak River is safe from
flooding with return periods of 2 years, 5 years, 10 years, 25 years, 50 years, and
100 years, thus eliminating the need for further river redesign. Based on the
analysis, several recommendations can be made to prevent future flooding,
including the need to educate the surrounding community to prevent waste from
entering the river and the need to clean the riverbed of mud to maintain the smooth
flow of water.

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