An overview on the potential dam hazard and pre-qualitative analysis on the selected critical dam in Malaysia

Apart from flood control and water storage for irrigation, dams were used for hydropower generation, navigation, drinking water supply, recreation and in mining operations as tailing dams. Human errors and mistakes have undermined safety in many dam operations, resulting in serious safety issues and...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2023-06, Vol.1205 (1), p.12019
Main Authors: Hashim, Syarifah Intan Najla Syed, Talib, Siti Hidayah Abu, Abustan, Muhammad Salleh
Format: Article
Language:English
Subjects:
Classification
Dam safety
Dams
Downstream
Drinking water
Flood control
Flood irrigation
Floodplains
Hazards
Human error
Hydroelectric dams
Hydroelectric power
Hydroelectric power generation
Inspection
Irrigation water
Land use
Qualitative analysis
Safety
Seepage
Water levels
Water storage
Water supply
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Summary:Apart from flood control and water storage for irrigation, dams were used for hydropower generation, navigation, drinking water supply, recreation and in mining operations as tailing dams. Human errors and mistakes have undermined safety in many dam operations, resulting in serious safety issues and numerous failures. Safety concerns were also largely caused by increased population and land use in dam downstream areas and by failing to perform necessary inspection, maintenance, or upgrade work. Dam safety cannot be concerned only with the structure itself, but it should be considered in relation to the population at risk in the downstream flood plain. Several potential dam hazards were listed in MyDAMS guidelines but for this research, the hazards chosen are overtopping and seepage failure considering the condition of Malaysian dam. Only one (1) selected dam will be chosen as the most critical dam. The selection criteria of the dam will be based on their type of dam, hazard classification, dam purpose and downstream population. A qualitative analysis was done by using the secondary data prepared by DID and hazard classification was done using dam hazard rating. Batu Dam was chosen as the most critical dam with high hazard rating as it has the highest crest elevation, water level and has the shortest distance between dam and populated area downstream.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1205/1/012019