EVALUASI KINERJA JARINGAN DRAINASE DI JALAN RAYA UMAALAS- BATU BELIG, DESA KEROBOKAN KECAMATAN KUTA UTARA KABUPATEN BADUNG

Ardana, Putu Doddy Heka and Soriarta, Ketut and Saputra, I Dewa Putu Aristha (2018) EVALUASI KINERJA JARINGAN DRAINASE DI JALAN RAYA UMAALAS- BATU BELIG, DESA KEROBOKAN KECAMATAN KUTA UTARA KABUPATEN BADUNG. Jurnal Teknik Gradien, 10 (2). pp. 116-124. ISSN 2085-2932

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Abstract

Flood disasters on the rainy season was a common and routine problem in Umaalas-BatuBelig street. It may be caused by several reasons such as decreasing canal capacity, increasing the discharge the main factor of flood on the area was due to the reduction of drainage capacity, canal sedimentation, damaged on drainage system and some informal infrastructures along the canal systems. Meanwhile, the increasing of the discharge was caused by abnormal precipitation, changing the land use and reducing the quality of water shed. The research method used was evaluative descriptive. This research was conducted by researching and looking at the cuapacity of existing drainage channels, as well as evaluating the capacity of existing drainage channels. Data collection method used was with primary and secondary data. Data analysis was performed by hydrological analysis and hydraulics analysis. The results of the research showed that hydrological exsisting channel was able to accommodate the debit of rain with the discharge plan plus the discharge of Q = 1,292 m' / dt while based on the performance of exsisting drainage system was not able to drained of Q in 5 vears so that the redesign done with the width of the channel (b) was 1.266 m and the channel height (h) was 1,195 m. Keyword : Flood, Perfomance, drainage, debit.

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