Suseno Darsono
Jurusan Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275

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PERENCANAAN REHABILITASI KOLAM DETENSI MELATI JAKARTA PUSAT Undayani Cita Sari; Evi Mariana; Suseno Darsono; Siti Hardiyati
Jurnal Karya Teknik Sipil Volume 3, Nomor 4, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRACTDrainage system with polder and pump is the most effective and efficient system for handling the floods that was occurred in the area which has a slooping topography such as Jakarta. As the state’s capital and metropolitan city, Jakarta has been developing rapidly, which made the existing green land as water infiltration area and settlement become unbalanced. This is a  major cause of flooding in Jakarta. From the result of rainfall data processing in Kemayoran station, rainfall intensity can be analyzed by using Jakarta’s hyetograph diagram approach for Ciliwung’s watershed based on analysis that was conducted by Netherland Engineering Consultant. Qplan is obtained by modeling it with additional program, the SWMM 5.0 for a period of 100 years, due to Jakarta as a business and government center. Large catchment area and downtown are the reason that SWMM 5.0 is suitable to use for modeling. Thus Qplan is obtained in the amount of 11 m3. Reservoir’s volume in the amount of 75888 m3 is obtained by using Qplan, at the existing condition detention pond area is 49000 m2, so depth of pond is 5 m with 8 pumps and 4 m3/sec capacity is obtained.
TANGGUL SUNGAI SERAYU HILIR DARI MUARA HINGGA BENDUNG GERAK SERAYU Riade Yusuf Hernanda; Robert M. Nainggolan; Suseno Darsono; Dwi Kurniani
Jurnal Karya Teknik Sipil Volume 5, Nomor 1, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Flood is a condition where water is overflowing in the discharge channel (river) caused by the inability of the cross section of the river in accommodating the flood discharge. Serayu river always brings floods every year, especially in the area of Banyumas and Cilacap. Flood debit plan used in the analysis of a cross section of Serayu river from the moving weir Serayu to estuary in Cilacap uses a return period of 50 years. Flood debit plan was analyzed by using SCS-CN method (Soil Conservation Service - Curve Number) with the help of software HEC-HMS. From the analysis of flood debit value of the plan, namely: Junction 12 amounted to 2088.4 m3/second, the junction 13 at 2417.1 m3 second, and 15th junction of 1386.9 m3/second. Existing cross-sectional analysis of Serayu river was done by using HEC-RAS software. The output of the HEC-RAS software is used to determine the location of planning the embankment, which is in areas experiencing river water overflowing. Central Java Serayu Downstream Embankment planning will be done with an estimated construction cost of Rp. 63,131,000,000.00 (sixty three billion one hundred and thirty one million rupiah) with a duration of work for 18 weeks.