News Karnataka
Saturday, February 04 2023
Vijayapura

Vijayapura: Study to check silt accumulation in Alamatti launched

almatti dam
Photo Credit : By Author

Vijayapura: The accumulation of silt in the reservoirs has always been a concern for the experts as it decreases the water storage level in the dams.

In order to gauge the quantum of silt accumulated in the backwaters of Alamatti dam, the Government has undertaken a study through Karnataka Engineering Research Station.

The officials have already started the survey work by using high-end technology that gives clarity on the quantum of silt acclimated.

“Our boats have arrived from Mangalore and we are using modern machines to conduct our studies,” said K. G. Mahesh, Director of the Station. He said that as per the government norms, such study of the dams should be conducted every ten years to find out the amount of silt accumulated which helps in understanding the quantity of water the dam can store.

The Alamatti Dam’s backwater covers around 487 square kilometres, the officials will conduct the study in the entire stretch.

Explaining the method of study, the officials said that the backwater area is first divided into various segments with each area covering around hundred metres through aerial survey using drones. The Echo Sound System machine which is attached to the boats is used to send sound waves into the bottom of the backwaters. The reflection of the sound waves gives the depth of water and accumulation of silt. Later the details collected from all the segments are compiled to find out the exact quantity of silt accumulation. Based on that information it is possible to find out the measures to prevent the silt accumulation, the officials said.

Stating that the study takes around three months to complete, the officials said that they would be spending around Rs. 1.8 Crore for the study.

The Geomarine Engineering agency of Mangalore has taken the contract.

The funds have been granted by the Central Government’s National Hydrological Project that comes under Jan Shakti Ministry of the Central Government.

“The Government is conducting similar study in seven dams of Karnataka State,” the officials said.

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