
Natural dam in the Negeri Lima village
of the Molucas District due to high
rainfall hit the island of Ambon on 13 July
2012. Materials
such as soil and rock avalanches with very large volume closes Ela river
flow. These
conditions eventually forming a natural dam in the upper (2.55 km from the
village). Natural
dam formed by the dam height reaches ± 200 meters, the 300 meters and a length
of ± landslide material that is in the region downstream of the dam body
naturally extends up to ± 1,000 meters while the upstream dam body naturally
been filled with water to a depth estimated at ± 20 meter
wide puddle on the surface of ± 200 meters and 1,000 meters long pool of ±. The volume of water is
currently about 87 million m3.the Directorate General of Water Resources Ministry of Public Works, Government of Molucas, , Army, Central of Maluku government, and other contingency plan. Emergency alert has been set by the Central Maluku government. Socialization and the formation of an emergency response command has been performed. Besides monitoring the signs of deformation or collapse of the dam slopes do that include:
• dam slope deformations (the emergence of cracks, falling rocks and other changes in slope)
• Increased leakage drastically (volume, color, content of sludge concentration and other changes)
• Collapse of the deposits on the slopes of the mountain (the appearance of cracks or springs, rock avalanches, or other changes)
Leak points and numbering each mapped location
Practical measurements on the flow of water out at points of major leakage
Longterm management plan is built to be permanent dam. Estimated for the construction of the permanent dam needed Rp 176 billion, which is needed for the construction of the main dam, dam dodger, pelimpas buildings, power plants and other supporters.
Around 4,777 villagers, Central Maluku experienced flash floods caused by natural dams collapse Ela river.
Sutopo said, as many as 5,227 people or 1,027 families from the village heads of State Five villages have been evacuated in the vicinity that are considered more secure. " chief Syamsul Maarif has reported the incident to the President
Breakdown Ela Dam Way in Central Maluku regency, Maluku, at around 12 this afternoon. 00. WIT. not only cause casualties. 7-meter flood that swept through villages in surrounding areas causing damage to buildings.
Among other physical damage more than 470 houses destroyed, "said Head of Data and Information National Disaster Management Agency Sutopo Purwonugroho in a statement on Thursday (25/07/2013).
Not only that, said Sutopo, three elementary school buildings were severely damaged, the building was heavily damaged heigh school , 1 madrasa heavily damaged, 2 room relegius heavily damaged, one heavily damaged KUD office, 1 bridge washed away. "Clean water destroyed, 1 Vodacom tower drift.
One person was reported dead, 1 still missing. While eight people were seriously injured and 24 slightly injured. A total of 5,227 people or 1,027 heads of families were evacuated.
Ela Dam Way breakdown negeri lima village cistern water volume caused by dams can weaken the dam construction. releasing a large volume of water stored in the reservoir, can swallow thousands of people living.
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