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STUDI ANALISIS JARINGAN DRAINASE KECAMATAN MAMPANG PRAPATAN
Sistem drainase di Kecamatan Mampang Prapatan sering mengalami genangan dan banjir pada musim penghujan. Permasalahan utama pada saluran drainase di lokasi penelitian adalah kurangnya kontrol terhadap limpasan permukaan. Oleh karena itu, diperlukan penelitian terperinci mengenai kondisi saluran eksisting di lokasi tersebut, dengan tujuan memberikan solusi konkret untuk mengatasi permasalahan genangan atau banjir yang sering terjadi. Data primer diperoleh dengan melakukan peninjauan langsung ke lokasi penelitian untuk melihat kondisi saluran drainase dan dimensi saluran drainase eksisting. Data sekunder diperoleh dari The National Aeronautics and Space Administration (NASA) berupa data curah hujan harian maksimum selama 41 tahun terakhir. Metode perhitungan analisis curah hujan rencana menggunakan Gumbel yang selanjutnya dilakukan simulasi menggunakan software PCSWMM 2023. Hasil analisis menunjukkan bahwa 39 titik Node saluran eksisting sudah tidak mampu menampung debit rencana kala ulang 5 tahun. Oleh karena itu, perlu dilakukan perencanaan dengan menggunakan sistem Low Impact Development (LID) seperti Rain Barrel, dan Bio Retention, serta dilakukan Redesign di sejumlah subcatchment dan saluran yang terdampak genangan/banjir. Penerapan Sistem Low Impact Development (LID) dan Redesign efektif dalam mengendalikan limpasan permukaan sehingga sehingga dapat mencegah terjadinya banjir. The drainage system in Mampang Prapatan Sub-district often experiences inundation and flooding during the rainy season. The main problem with the drainage channels in the study area is the lack of control over surface runoff. Therefore, a detailed study of the existing channel conditions in the location is needed, to provide concrete solutions to overcome the problem of inundation or flooding that often occurs. Primary data was obtained by conducting a direct review of the research location to see the condition of the drainage channel and the dimensions of the existing drainage channel. Secondary data was obtained from The National Aeronautics and Space Administration (NASA) in the form of maximum daily rainfall data for the last 41 years. The planned rainfall analysis calculation method uses Gumbel, which is then simulated using PCSWMM 2023 software. The analysis results show that the 39 existing channel nodes can no longer accommodate the 5-year return period discharge plan. Therefore, it is necessary to carry out planning using Low Impact Development (LID) systems such as Rain Barrel, and bioretention, as well as redesigning several sub-catchments and channels affected by inundation/flooding. The application of the Low Impact Development (LID) System and Redesign is effective in controlling surface runoff so that it can prevent flooding.
KODEPRODI22201#Teknik Sipil_S1, Universitas Pendidikan Indonesia
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L Education (General)
TD Environmental technology. Sanitary engineering