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      Aplikasi SWMM 5.2 untuk Perencanaan Drainase Sistem Polder di RW 05 Kelurahan Bantargebang Kota Bekasi

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      Date
      2025
      Author
      Alli, Zuhdi Abyan
      Pribadi, Andik
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      Abstract
      Banjir secara berulang kali terjadi dan mengganggu produktivitas warga di RW 05, Kelurahan Bantargebang, Kota Bekasi. Berdasarkan hasil laporan terakhir, banjir terjadi pada tanggal 27 Februari 2025 dengan ketinggian mencapai 40 cm. Dugaan terjadinya banjir dikarenakan saluran drainase dan pengaliran secara gravitasi terhambat. Penelitian ini bertujuan melakukan pengendalian banjir tersebut dengan sistem drainase polder menggunakan SWMM 5.2. Metode yang digunakan meliputi penentuan DTA (daerah tangkapan air) dengan ArcGis, analisis hidrologi, dan pemodelan dengan SWMM 5.2. Data digunakan yakni data primer berupa dimensi existing saluran dan data sekunder berupa DEMNAS (Digital Elevation Model Nasional), RBI (Rupa Bumi Indonesia), curah hujan CHIRPS (Climate Hazards Group InfraRed Precipitation with Station data), dan curah hujan BMKG. Hasil yang didapatkan berupa DTA seluas 26,5 Ha dengan debit banjir puncak 0,2 m3/s. Oleh karena itu, diperlukan perbaikan pada dua saluran dan lima node eksisting, pembangunan kolam polder seluas 1500 m2 dengan kedalaman 4 meter dan pompa kapasitas 0,6 m3/s, dan pembangunan saluran pembuang sepanjang 1060 m. Desain tersebut disimpulkan dapat mengatasi banjir maksimum.
       
      Floods occur repeatedly and disrupt the productivity of residents in RW 05, Bantargebang Village, Bekasi City. Based on the latest report, the flood occurred on February 27, 2025 with a height reaching 40 cm. The alleged flood occurred because the drainage channel and gravity flow were blocked. This study aims to control the flood with a polder drainage system using SWMM 5.2. The methods used include determining the DTA (water catchment area) with ArcGis, hydrological analysis, and modeling with SWMM 5.2. The data used are primary data in the form of existing channel dimensions and secondary data in the form of DEMNAS (Digital Elevation Model Nasional), RBI (Rupa Bumi Indonesia), CHIRPS (Climate Hazards Group InfraRed Precipitation with Station data) rainfall, and BMKG rainfall. The results obtained are in the form of a DTA of 26.5 Ha with a peak flood discharge of 0.2 m3/s. Therefore, it is necessary to repair two channels and five existing nodes, construct a 1500 m2 polder pond with a depth of 4 meters and a pump capacity of 0.6 m3/s, and construct a 1060 m long drainage channel. The design is concluded to be able to handle maximum flooding.
       
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      http://repository.ipb.ac.id/handle/123456789/161835
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      • UT - Civil and Environmental Engineering [1042]

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      Indonesia DSpace Group 
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