Naya Dhia Ulhaq, - and Rakhmat Yusuf, - (2025) IMPLEMENTASI KONSEP ZERO RUNOFF UNTUK MENURUNKAN LIMPASAN (RUNOFF) DI PERUMAHAN BUMI HARAPAN. S1 thesis, Universitas Pendidikan Indonesia.
Abstract
Permasalahan banjir yang terjadi di Perumahan Bumi Harapan disebabkan oleh intensitas curah hujan tinggi, kurangnya resapan air dan faktor topografi. Penelitian ini bertujuan untuk menghitung besarnya intensitas curah hujan, menganalisis limpasan permukaan (runoff) dan mengevaluasi efektivitas penerapan Low Impact Development (LID) dalam mengurangi limpasan. Metode yang digunakan dalam penelitian ini adalah deskriptif kuantitatif, dengan pendekatan penelitian studi kasus. Data curah hujan diperoleh dari dua Pos Curah Hujan terdekat, yaitu PCH Cibiru dan PCH Cileunyi. Berdasarkan analisis distribusi, digunakan distribusi log normal dengan kala ulang 2 tahun sebesar 83,22 mm. Hujan rancangan dimodelkan pada PCSWMM menggunakan metode SCS Type I dengan interval waktu 15 menit. Permodelan drainase dibangun dengan konfigurasi 26 subcatchment, 108 junction, 133 conduit, 1 pompa, dan 2 outfall. Hasil simulasi awal menunjukkan nilai limpasan permukaan cukup tinggi, dengan rata-rata 79,75 mm. Setelah diterapkan sistem LID berupa rain barrel, rain garden, bioretention, dan permeable pavement, dilakukan simulasi ulang. Hasilnya menunjukkan penurunan volume limpasan secara signifikan hingga 64%. Temuan ini menunjukkan bahwa pendekatan LID efektif dalam mendukung pengelolaan air hujan dan dapat menjadi solusi alternatif untuk sistem drainase berkelanjutan di kawasan permukiman. Untuk memenuhi ketentuan kecepatan aliran dan kapasitas drainase dilakukan perencanaan ulang drainase terhadap 63 junction dan 76 conduit. The flooding problem in the Bumi Harapan Residential is caused by high rainfall intensity, poor water absorption, and topographical factors. This study aims to calculate the intensity of rainfall, analyse surface runoff, and evaluate the effectiveness of Low Impact Development (LID) in reducing runoff. The method used in this study is quantitative descriptive, with a case study research approach. Rainfall data was obtained from two nearby rainfall stations, namely Cibiru Station and Cileunyi Station. Based on the distribution analysis, the log normal distribution with a 2-year return period of 83.22 mm was used. Design rainfall was modelled in PCSWMM using the SCS Type I method with a 15-minute time interval. The drainage modelling was constructed with a configuration of 26 subcatchments, 108 junctions, 133 conduits, 1 pump, and 2 outfalls. Initial simulation results showed relatively high surface runoff values, with an average of 79.75 mm. After implementing the LID system, which includes rain barrels, rain gardens, bioretention, and permeable pavement, a resimulation was conducted. The results showed a significant reduction in runoff volume of up to 64%. These findings indicate that the LID approach is effective in supporting rainwater management and can serve as an alternative solution for sustainable drainage systems in residential areas. To meet flow rate and drainage capacity requirements, drainage planning was revised for 63 junctions and 76 conduits.
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| Item Type: | Thesis (S1) |
|---|---|
| Additional Information: | https://scholar.google.com/citations?view_op=new_profile&hl=en ID SINTA Dosen Pembimbing: Rakhmat Yusuf: 6003508 |
| Uncontrolled Keywords: | Drainase, Zero runoff, Low impact development Drainage, Zero runoff, Low impact development |
| Subjects: | L Education > L Education (General) T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Pendidikan Teknik dan Industri > Jurusan Pendidikan Teknik Sipil > Program Studi Teknik Sipil |
| Depositing User: | Naya Dhia Ulhaq |
| Date Deposited: | 21 Oct 2025 07:48 |
| Last Modified: | 21 Oct 2025 07:48 |
| URI: | http://repository.upi.edu/id/eprint/143195 |
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