Thank You Very Much for Your Kind Attention !
The Study on Countermeasures for Sedimentaion Workshop IV, Surakarta, January 18, 2007 in The Wonogiri Multipurpose Dam Reservoir Master Plan on Sustainable Management of Wonogiri Reservoir in The Republic of Indonesia Mitigation Measures of Impacts Present Sediment N Discharge at Babat Basic Policy BENGAWAN SOLO Barrage (Ex.) Operation Rule “To minimize the Q, Turbidity Allowable limit of 22.9 million Impact to the d/s” m3/year concentration & m3/year by careful gate operation duration shall be defined N Combined operation BENGAWANbetween SOLO Wonogiri Dam and Colo Weir Sediment Discharge from Wonogiri Monitoring in Increase of sediment to be 0.8 million downstream reaches m3/year discharge to Solo River Operable period SCALE estuary will be approx. shall be strictly 5%0 15 30 45 60 75 90 km SCALE prohibited in dry 5% 0 15 30 45 60 75 90 km Flushing season Thank You very much for Your Kind Attention ! Japan International Cooperation Agency – JICA Ministry of Public Works The Republic of Indonesia Nippon Koei Co. Ltd. and Yachiyo Engineering Co. Ltd. 䋭㩷㪈㪉㪋㩷䋭 Page / 6 Estimating sediment volume into Brantas River after eruption of Kelud volcano on 1990 Mr. Takeshi Shimizu National Institute for Land and Infrastructure Management 䋭㩷㪈㪉㪌㩷䋭 IEstimating Sediment volume into Brantas River after eruption of Kelud Voncano on 1990 Takeshi SHIMIZU1, Nobutomo OSANAI1 and Hideyuki ITOU1 1National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure and Transport, Japan The Brantas River that flows through East Java Province, the Republic of Indonesia, is the second largest river. It has 11,800km2 catchment areas and total length of the river approximately 320km.
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