Evaluation of micro-scale drainage systems in Kelapa Gading, North Jakarta

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Abstract

Kelapa Gading is one of the sub-districts located in North Jakarta which consists of low-level plains prone to flooding. One of the areas in Kelapa Gading that is most severely affect by the floods is in front of the Mall of Indonesia (MOI). Based on earlier research, it has been reported that one of the causes of flooding in Kelapa Gading is its drainage system's inability to pass the flood discharge. Therefore, this study discusses the micro-scale drainage system in the MOI catchment area. The purpose of this study is to evaluate the performance of the micro-scale drainage system in the Mall of Indonesia (MOI) area by comparing the results of the calculation of the flood discharge of the planned catchment area with the capacity of the drainage channels using the help of WinTR-20 and HEC-RAS applications. From the simulation results using the two applications, it can be seen that all micro drainage channels in the MOI catchment area are able to pass flood discharge up to period of 25 years, except in reach 6. Based on this, an open drainage system analysis is carried out into a polder system by placing two pumps with a capacity of 0.25 m3/s. With this proposed polder system design, the flooding in the MOI catchment area can contain the discharge up to a 25-year return period floodings.

Original languageEnglish
Article number012011
JournalIOP Conference Series: Earth and Environmental Science
Volume426
Issue number1
DOIs
Publication statusPublished - 12 Mar 2020
Event3rd International Conference on Eco Engineering Development, ICEED 2019 - Solo, Indonesia
Duration: 13 Nov 201914 Nov 2019

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