Preprint Article Version 1 This version is not peer-reviewed

Optimizing The Mobile Pump And Its Equipment To Reduce The Risk Of Pluvial Flooding

Version 1 : Received: 1 November 2024 / Approved: 1 November 2024 / Online: 1 November 2024 (18:41:26 CET)

How to cite: Yosua, H.; Kusuma, M. S. B.; Nugroho, J.; Nugroho, E. O.; Septiadi, D. Optimizing The Mobile Pump And Its Equipment To Reduce The Risk Of Pluvial Flooding. Preprints 2024, 2024110108. https://doi.org/10.20944/preprints202411.0108.v1 Yosua, H.; Kusuma, M. S. B.; Nugroho, J.; Nugroho, E. O.; Septiadi, D. Optimizing The Mobile Pump And Its Equipment To Reduce The Risk Of Pluvial Flooding. Preprints 2024, 2024110108. https://doi.org/10.20944/preprints202411.0108.v1

Abstract

The impact of pluvial flooding will hamper the economic process in South Jakarta. The best solution for pluvial flooding is to use mobile pumps and its equipment. There has been no previous research regarding the use of mobile pumps in pluvial floods, either in South Jakarta or elsewhere. The aim of this research is to optimize mobile pumps and their equipment for pluvial floods in South Jakarta through hydrological calculations, hydraulic engineering and risk analysis. The method used is to carry out hydrological analysis compared with the hydraulic capabilities of existing channels, correlation of rainfall intensity and flood depth and analysis of hazard risks through the impact of flood depth and duration of flooding. A depth of flood 75 cm has a 20-50% chance of occurring. The hourly rain distribution pattern in South Jakarta was in the first 2 hours with a percentage weight of 56.6% in the 1st hour and 43.4% in the 2nd hour. BMKG Radar Image as the main choice for rain detection. Optimization of mobile pumps and their equipment can be done through a hierarchy of sufficient and insufficient channel capacity, flood frequency, high impact and time of flooding, mobile pump entry access, mobile pump SOP and equipment. There are 8 locations that require mobile pumps in South Jakarta and it is possible to install these mobile pumps. Seven of them require weather prediction tools and SCADA and 3 of them require mobile pump SOP. From the simulation results using the outlet condition that is out of the system, it is found that the configuration heading to the upstream of the flooded channel cross-section shows the most optimal results. This is because the mobile pump is able to trim the flood hydrograph from the beginning, namely in the flooded upstream. In addition, the criteria for using the type of mobile pump used with weather prediction is a mobile pump with a minimum capacity of 0.5 m3/s. The use of mobile pumps is a solution to reduce the risk of pluvial flooding in South Jakarta and other urban areas.

Keywords

Depth of flood; Mobile Pump; Pluvial Floods; Rainfall intensity; South Jakarta; Radar

Subject

Engineering, Civil Engineering

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