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Risk management in dam disaster : lessons learned from way ela natural dam break
Indonesia is situated at the pacific ring of fire with high risk of natural disaster, such as earthquake. The earthquake may trigger dam failure. Meanwhile, Indonesia rapid population growth results on the in creasing needs for space. Thus, settlements expand to prone area. The global climate trend recently shows greater natural disaster. Considering these facts, this paper emphasizes the importance of dam break preparedness for the downstream community by taking way ela dam break as a case study. The results demonstrate that the downstream of the dam is prone area. Therefore, early warning and evacuation scheme for dam break must be developed. This strategy requires a clear disaster risk map and individual acceptance and responsibility. Insurance scheme can be considered for infrastructure and property damages. Spatial plan and regulations in hazard area is required as control. The local capacity must be improved to minimize their dependency to central government.
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