PAMUNGKAS, RWASTA FENDY (2019) EVALUASI SALURAN DRAINASE PADA JALAN SRENGSENG RAYA KELURAHAN SRENGSENG KECAMATAN KEMBANGAN JAKARTA BARAT. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
On Srengseng Raya Road, frequent flooding is caused by existing channels that are unable to accommodate rainwater discharge. Rainfall analysis using the Polygon Thiesen Method using 3 rainfall stations, namely the southern kedoya station, pakubuwono station and west tomang station for the 2009-2018 period obtained from BMKG Jakarta. The design rainfall value with a return period of 5 years and using the Log Pearson III method of 161.74 mm/day. Calculation of rain intensity using Mononobe formula which has channel value A1 = 135,344 mm/hour, channel A2 = 194,313 mm/hour, channel B1 = 171,358 mm/hour, channel B2 = 144,408 mm/hour, channel B3 = 125,159 mm/hour, channel C = 123,133 mm/hour, and channel D = 82,638 mm/hour. The existing channel in the form of concrete has the following discharge capacity: channel A1 = 1.007 m3 /sec, channel A2 = 0.968 m3 /sec, channel B3 = 0.929 m3 /sec, channel C = 0.901 m3 /sec, and channel D = 3.939 m3 /sec. The existing channel in the form of a stone pair with completion has the following discharge capacity: channel B1 = 0.294 m3 /sec, and channel B2 = 0.386 m3 /sec. Calculation of planned flood discharge using the Rational method has channel value A1 = 1.135 m3 /sec, channel A2 = 0.768 m3 /sec, channel B1 = 0.424 m3 /sec, channel B2 = 0.442 m3 /sec, channel B3 = 0.497 m3 /sec, channel C = 0.797 m3 /sec, and channel D = 3.554 m3 /sec. The existing channel discharge difference with flood discharge at each channel is as follows: channels A1 = -0.129 m3 /sec, channels A2 = 0.200 m3 /sec, channels B1 = -0,130 m3 /sec, channels B2 = -0,056 m3 /sec, channels B3 = 0.431 m3 /sec, channel C = 0.104 m3 /sec, and channel D = 0.396 m3 /sec. From these results which are not able to accommodate the planned flood discharge are channels A1, B1 and B2. The selection of a system to accommodate overflow on the A1 channel is to build a connecting culvert between channels A1 and B3 with a width of 0.5 m and a height of 0.4 m. The selection of a system for accommodating overflows on channels B1 and B2 is by reducing the channel to a concrete channel with a width of 0.6 m and a height of 0.8m. if the redimension is not biased, then the alternative to accommodate overflow in channels B1 and B2 is by making a Retention Pool and adding a pump to discharge flood discharge. The volume of the retention pond is used 50 m3 with a size of 5m x 5m x 2m and the pump chosen is one of the pumps owned by the West Jakarta Water Resources Service Unit with a discharge capacity of 0.3 m3 /sec. Keywords: Drainage, Existing Debit, Debit Plans, Channel Redimension, Retention Ponds Pada Jalan Srengseng Raya sering terjadi banjir yang disebabkan oleh saluran eksisting yang tidak mampu menampung debit air hujan. Analisis curah hujan dengan Metode Poligon Thiesen dengan menggunakan 3 stasiun curah hujan yaitu stasiun kedoya selatan, stasiun pakubuwono dan stasiun tomang barat periode 2009-2018 yang didapatkan dari BMKG Jakarta. Nilai curah hujan rancangan dengan kala ulang 5 tahun dan menggunakan metode Log Pearson III sebesar 161,74 mm/hari. Perhitungan intensitas hujan menggunakan rumus Mononobe yang mempunyai nilai saluran A1 = 135,344 mm/jam, saluran A2=194,313 mm/jam, saluran B1=171,358 mm/jam, saluran B2 = 144,408 mm/jam, saluran B3=125,159 mm/jam, saluran C = 123,133 mm/jam, dan saluran D=82,638 mm/jam. Saluran eksisting berupa beton mempunyai kapasitas debit sebagai berikut: saluran A1=1,007 m3 /dt, saluran A2=0,968 m3 /dt, saluran B3=0,929 m3 /dt, saluran C=0,901 m3 /dt, dan saluran D=3,939 m3 /dt. Saluran eksisting berupa pasangan batu dengan penyelesaian mempunyai kapasitas debit sebagai berikut: saluran B1=0,294 m3 /dt, dan saluran B2=0,386 m3 /dt. Perhitungan debit banjir rencana dengan menggunakan metode Rasional memiliki nilai saluran A1=1,135 m3 /dt, saluran A2=0,768 m3 /dt, saluran B1=0,424 m3 /dt, saluran B2=0,442 m3 /dt, saluran B3=0,497 m3 /dt, saluran C=0,797 m3 /dt, dan saluran D=3,554 m3 /dt. Selisih debit saluran eksisting dengan debit banjir pada tiap saluran sebagai berikut: saluran A1=- 0,129 m3 /dt, saluran A2=0,200 m3 /dt, saluran B1=-0,130 m3 /dt, saluran B2=-0,056 m 3 /dt, saluran B3=0,431 m3 /dt, saluran C=0,104 m3 /dt, dan saluran D=0,396 m3 /dt. Dari hasil tersebut yang tidak mampu menampung debit banjir rencana adalah saluran A1,B1 dan B2. Pemilihan sistem untuk menampung luapan di saluran A1 adalah dengan membangun gorong-gorong penghubung antara saluran A1 dengan B3 dengan ukuran lebar 0,5 m dan tinggi 0,4 m. Pemilihan sistem untuk menampung luapan di saluran B1 dan B2 adalah dengan Redimensi Saluran menjadi saluran beton dengan ukuran lebar 0,6 m dan tinggi 0,8 m. apabila redimensi tidak bias dilakukan maka alternatif untuk menampung luapan di saluran B1 dan B2 adalah dengan pembuatan Kolam Retensi dan penambahan pompa untuk pembuangan luapan debit banjir. Volume kolam retensi digunakan 50 m3 dengan ukuran 5m x 5m x 2m dan pompa yang dipilih adalah salah satu pompa yang dimiliki Suku Dinas Sumber Daya Air Jakarta Barat berjenis pompa mobile dengan kapasitas debit 0,3 m3 /dtk. Kata kunci: Drainase, Debit Existing, Debit Rencana, Redimensi Saluran, Kolam Retensi
| Item Type: | Thesis (S1) |
|---|---|
| Call Number CD: | FT/SIP. 19 339 |
| NIM/NIDN Creators: | 41114120010 |
| Uncontrolled Keywords: | Drainase, Debit Existing, Debit Rencana, Redimensi Saluran, Kolam Retensi |
| Subjects: | 000 Computer Science, Information and General Works/Ilmu Komputer, Informasi, dan Karya Umum > 020 Library and Information Sciences/Perpustakaan dan Ilmu Informasi > 022 Administration of The Physical Plant/Administrasi dan Fisik Perpustakaan > 022.3 Buildings/Bangunan 300 Social Science/Ilmu-ilmu Sosial > 380 Commerce, Communications, Transportation (Perdagangan, Komunikasi, Transportasi) > 388 Ground Transportation/Transportasi Jalan Raya > 388.1 Roads/Jalan 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 624 Civil Engineering/Teknik Sipil |
| Divisions: | Fakultas Teknik > Teknik Sipil |
| Depositing User: | Dede Muksin Lubis |
| Date Deposited: | 25 Mar 2022 07:13 |
| Last Modified: | 14 Feb 2023 04:03 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/58845 |
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