FLOOD CONTROL IN AREAS OF CISUMDAWU TOLL ROAD SECTION 3 AT GALUDRA VILLAGE, SUMEDANG REGENCY
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Date
2020
Journal Title
Journal ISSN
Volume Title
Publisher
International Journal of Psychosocial Rehabilitation
Abstract
Flooding is a problem that often occurs in urban and rural areas. Flooding can be caused
by an overflow of drainage flow that exceeds its capacity. In 2019, Galudra Village, Sumedang
Utara Subdistrict flooding happened, the cause of the flood was indicated since the Cisumdawu
development project, based on observations in fields, the flood caused by the overflow of local
drainage flows that caused inundation of 20-50 cm which inundated the paddy field and Galudra
Village area. From the results of the hydrological analysis, it was found that the Catchment Area
at the study site was divided into 2, with each area of Subcatchment 1 being 283.1 ha and the
area of sub-catchment 2 being 414.9 ha. With extreme rain period of 2 years (R2) of 91.05 mm
and an extreme rain period of 5 years (R5) is 107.59 mm. From the results of SWMM modeling,
it is found that the most effective flood control is by bypassing the channel and enlarging the
downstream channel dimensions in the form of a trapezoid.
Description
Keywords
Flood, Galudra Village, Drainage Channel, SWMM