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All Journal JURNAL KARYA TEKNIK SIPIL
Robert J. Kodoatie
Jurusan Teknik Sipil FT. UNDIP Jl. Prof. Soedarto SH., Tembalang Semarang 50275
Civil Engineering, Building, Construction & Architecture

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PERENCANAAN BENDUNG CIKAWUNG PADA DAERAH NON-CEKUNGAN AIR TANAH DI KABUPATEN CILACAP, JAWA TENGAH Etika Herdiarti; Shalli Malia Nisa; Robert J. Kodoatie; Hari Nugroho
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Cikawung weir located at Cipari District in Cilacap Regency. Cikawung weir built on the Cikawung river with the catchment area is 121,12 km2. To satisfy irrigation needs in the area around the river of 1020.24 ha, it is necessary to discharge a sufficient pledge. Mainstay discharge calculated by modifying the method FJ Mock. Location Cikawung weir is at a non-groundwater basin covering an area of 98,90 km2 (81,65%) and others are in the area groundwater basin area of 22,22 km2 (18,35%). Both of these regions have different characteristics in generating mainstay discharge. In the ground, at the non-groundwater basin, water flows only in the layer of soil water zone, while in the area groundwater basin water is able to flow to groundwater zone layer. Availability of river water contained on the non - groundwater basin less than groundwater basin area. Cikawung weir flood discharge plan designed by 50-year return period of 425,29 m3 and 1,92 m3 for discharge decision. Cikawung weir is design with specification rounded type of crest with height of  5,5 m, USBR type III of stilling basin, equipped with sand trap, flushing way of sand trap, flushing gate, intake gate, and retaining wall. Cikawung weir construction cost about Rp. 6.911.600.000,00 and a plan of 28 weeks.
PENGENDALIAN BANJIR SISTEM BENDUNG PUCANG GADING – DOMBO SAYUNG SEMARANG Rr. Ayu Khrisina Maharani; Septian Dwi Wicaksono; Suharyanto Suharyanto; Robert J. Kodoatie
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Flood is one of the occasion that quite often happens in Semarang City. Dombo-Sayung is being one of the areas which flood is often happened there. Flood give many negative impacts that can’t be ignored, for example is cause damage to infrastructur: buildings, houses, and roads. And even stop the mobility in that area if the flood is happened for a long time. The purpose of Flood Control of Pucang Gading Weir System-Dombo Sayung, Semarang is to minimize or even avoid the flood happened in Dombo-Sayung Area by designing the flood control system which can overcome the flood problem. The method that used for Flood Control of Pucang Gading Weir System-Dombo Sayung Semarang are primary and secondary data collection, hydrology analysis such as flood’s hydrograph, hydraulics analysis for planning the dimension of retention pond and dimention of river improvement Dombo-Sayung Channels. Flood Control of Pucang Gading Weir System- Dombo sayung give result to using retention pond with the size is (300x190x7) m³ for run off volume channels is 334.691,643 m³ and  dimension of river improvement Dombo Sayung Channels becoming (35x6) m2 for the the income flow is 300 m³.
PERENCANAAN PEMBANGKIT LISTRIK TENAGA MINI HIDRO (PLTM) PALUMBUNGAN, PURBALINGGA Andi Prasetiyanto; Nizar Mahrus; Sri Sangkawati; Robert J. Kodoatie
Jurnal Karya Teknik Sipil Volume 2, Nomor 1, Tahun 2013
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Conditions Purbalingga areas potential for the development of Mini Hydro Power Plant, is the fundamental reason for empowering Klawing River District Bobotsari Purbalingga became a source of Mini Hydro Power Plant. The objective of mini hydro power plant planning is to  calculation of dependable flow, the calculation of the electricity which can be produced and made design of hydropower building. The method that apply for flood discharge plan calculation is Rational Method, Dependable flow analyzed by using Weibull Method. Dependable flow for mini hydro power plants amounted to 1.8 m3/s  and the power produced is 641 kW.
Co-Authors Andi Prasetiyanto Etika Herdiarti Hari Nugroho Nizar Mahrus Rr. Ayu Khrisina Maharani Septian Dwi Wicaksono Shalli Malia Nisa Sri Sangkawati Suharyanto Suharyanto