Idukki dam in Kerala set to be opened after 26 years
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Code Orange
Water level in the Idukki dam reached 2395ft at 9pm on Monday prompting the authorities to issue an orange alert.
Kerala government has put the army, navy, airforce and coast guard on alert to meet any eventuality.
Further when the levels reaches 2399 ft, red alert will be issued. The shutters of the dam will be opened only after issuing the alert and required warning.
Kerala government has put the army, navy, airforce and coast guard on alert to meet any eventuality.
Further when the levels reaches 2399 ft, red alert will be issued. The shutters of the dam will be opened only after issuing the alert and required warning.
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Shutters to be opened after 26 years
The high range Idukki dam, one of the highest arch reservoirs in Asia, is set to be opened for the first time in 26 years.
The water level in Idukki dam reservoir at 6am is 2395.26 ft while at Idamalayar dam, the water level in reservoir is at 166.53m while the full reservoir level (FRL) here is 169.00 m. The FRL for Idukki is 2403 ft.
The water level in Idukki dam reservoir at 6am is 2395.26 ft while at Idamalayar dam, the water level in reservoir is at 166.53m while the full reservoir level (FRL) here is 169.00 m. The FRL for Idukki is 2403 ft.
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What will happen when Idukki Dam shutters are open
There are five electrically-powered shutters for Cheruthoni dam. Each shutter will only be raised by 10-15 cm. 10 million cubic feet of water, enough to generate power worth Rs 220 crore, will flow out of that gap.
Water will flow to the Cheruthoni river reaching Aluva within six hours. Water will eventually merge with Arabian Sea after flowing through dedicated channels in Ernakulam, Edamalayar, Malayattoor and Kalady.
Water will flow to the Cheruthoni river reaching Aluva within six hours. Water will eventually merge with Arabian Sea after flowing through dedicated channels in Ernakulam, Edamalayar, Malayattoor and Kalady.
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Built for Idukki hydroelectric project
The dam's shutters were last opened in 1992. This is the first time that it will attain its full level during the South West Monsoon period. The arch reservoir comprises three dams -Idukki, Cheruthoni and Kulamavu, built for the Idukki Hydroelectric Project. Idukki dam is used to store the water while the latter two are meant to route it to the powerhouse.
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Plans for evacuation
Residents living on the banks of the water flow path will be shifted only after the red alert is issued. Chief engineer of the dam said that a proper warning will be issued before moving people.
A survey on the total number of people who would have to be evacuated in case the shutters are opened was already been taken. The Disaster management authority has prepared a list of buildings in and around 100 metres of the dam area with the help of satellite pictures and details of people residing in these buildings would be collected.
A survey on the total number of people who would have to be evacuated in case the shutters are opened was already been taken. The Disaster management authority has prepared a list of buildings in and around 100 metres of the dam area with the help of satellite pictures and details of people residing in these buildings would be collected.
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Authorities are concerned
Authorities are concerned and the Chief Minister has given directions to the Idukki and Ernakulam district collectors to make necessary preparations ahead of the opening of the dam. During the current monsoon, the hilly Idukki received 192.3 cm of rains, about 49 per cent more than long-term average rainfall received by the reservoir.