KAJIAN OPERASIONAL SISTEM POLDER UNTUK PENANGANAN BANJIR DAN ROB DI KAWASAN GENUK SEMARANG

Henny Pratiwi Adi, Imam Wahyudi

Abstract


The Kaligawe Genuk area is the main route for the North Coast (Pantura) of Java.
The area is the gateway to the city of Semarang from the east direction. Since 2005,
this area has frequently had floods caused by tides (tidal floods) and rainfall. The
Central Government, supported by the Semarang City Government, built the Kali
Tenggang and Sringin Polder systems from 2016 to 2019. In terms of capacity, this
system is not yet perfect for dealing with floods, and it requires efforts so that the
system can be operated optimally. This study activity aims to simulate rainfall flow
rate, the pump capacity, and the retention pond. The simulation results will become
the basis for the development of the polder system operational manual. The
implementation method collects secondary rainfall data, reviewing the condition of
a catchment area, retention pond, and pump station. Focus group discussion with
stakeholders done in the Kaligawe Genuk area. The location of the activity is more
focused on the Kali Sringin area. This study produces tables and graphs of pump
capacity simulation, retention ponds, and an operational manual for the Sringin
Polder system. It is hoped that this guideline will become the basis for the polder
system's sustainable operations.


Keywords


tidal flood, polder, guidelines, operations

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DOI: http://dx.doi.org/10.32497/wahanats.v26i1.2648

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