ANALISIS KAPASITAS TAMPUNGAN BANJIR KOLAM LUMPUR SIDOARJO

Samuel J. Sutanto

Abstract


A simulation using the HEC-HMS model has been carried out to discover height of flood level in main
pond. The result shows that existing condition of the pond is not sufficient for controlling flood although the
pond had been dredged. Flood will overflow about 0.57-0.69m above the dyke in existing condition, and
about 0.062-0.12m in dredged condition. Suggestions for prevention action are adding the amount of intake
pipes, increasing dyke elevation and extending the dredging area. Flood will also occur in pond 5
particularly for the return period of 10 years if BPLS does not take serious action of prevention such as
dredging and increasing dyke elevation.


Keywords


Flood, Existing and Planning condition, the result of simulation, suggestion.

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DOI: https://doi.org/10.32679/jsda.v5i2.469

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