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Gatot Eko Susilo
Universitas Lampung
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OPTIMASI WADUK REGULATING DAM DI KABUPATEN PRINGSEWU, PROVINSI LAMPUNG Dharmawan Setioko; Gatot Eko Susilo; Ahmad Zakaria
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 19, No 1 (2015): Edisi April 2015
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Argoguruh Weir is the biggest irrigation weir in Lampung Province. This hydraulic structure was developed in 1935, crossing Way Sekampung River and serving Sekampung Irrigation Area which is about 67,000 ha. This weir is supplied by water from Batutegi Dam and baseflow of the upper Way Sekampung basin. Excessive water in Argoguruh Weir is passing by and flowing to the sea. Due to this condition, the government plan to build a dam between Batutegi Dam and Argoguruh Weir. This research aims to carry out a simulation of water balance in the Regulating Dam in order to find the best operational pattern for the dam. The Objective function of the simulation is water ele- vation of reservoir with probability more than 80%. The constrain of the simulation is that water elevation of the reservoir has to be higher than the water elevation of reservoir dead storage that is +102.30 m. Discharge data used in the simulation is daily discharge data of Argoguruh Weir from the year 2005 to the year 2013. The simulation is operated in 15-days time basis. Results of the simulation indicate that the objective function of the simulation is found in elevation +116.07 m with probability of 80.09%. On that condition, water from the reservoir is utilised for PDAM Pringsewu water supply and for the water supply for 242.90 ha new irrigation area. The lowest water elevation in this condition is +111.86 m. This water elevation is much more higher than the one of reservoir dead storage.
STUDI KEBUTUHAN AIR DOMESTIK UNTUK DAERAH PANTAI (STUDI KASUS: KOTA BANDAR LAMPUNG) Gatot Eko Susilo; Ofik Taufik Purwadi; Nurayni Nurayni
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 18, No 3 (2014): Edisi Desember 2014
Publisher : UNIVERSITAS LAMPUNG

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This study aims to investigate water domestic demand of people living in coastal area of Bandar Lampung City. The location of the study is in the Sukaraja area, Bumi Waras Sub-district, Bandar Lampung City. Data mining of household water demand is undertaken by using questionnaire to 65 households. It is indicated from the survey that every household averagely consits of 4 persons. Everry person spends about IDR 368 for 103.4 l of water domestic in daily basis. Daily water domestic demand of the people in the are study is quite different from the standard daily water domestic demand percapita. This deviation is due to the differences in the aspect of social and economy between the people in the are study and ordinary people
Co-Authors Ahmad Herison Ahmad Zakaria Ariestina Fanani Dharmawan Setioko Nurayni Nurayni Ofik Taufik Purwadi Yuda Romdania