NDSA Picks Holes In Construction Of Kaleshwaram’s Main Barrages

Hyderabad, April 26 (Maxim News): The NDSA (National Dam Safety Authority) has found that the designs of the Kaleshwaram lift irrigation scheme, mainly the three barrages – Medigadda, Annaram, and Sundilla are faulty and that the absence of quality was visible in the construction of the barrages.

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The NDSA has submitted a 350-page final report on the damage of the three barrages to the state government. The report explained the details of the status of the barrages and the reasons for the damage to the structures within two years after the commissioning of the Kaleshwaram Project.

The report said that the Medigadda barrage, the first in the series, suffered from severe settlement and cracking of piers in Block-7, with notable tilting, structural and hydro-mechanical comprises due to piping, deterioration of energy dissipation structures, including dislodgement of wearing coat, and cement concrete blocks downstream. The Annaram and Sundilla barrages exhibited similar patterns of seepage/piping distress, including the dislodgment of wearing coat and concrete blocks downstream.

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They observed damages and distress in the three barrages raised serious concerns about the resilience of these structures under the operational and environmental stresses,  the NDSA report explained. “The upstream barrages, Annaram and Sundilla, which exhibit similar design and construction flaws, have experienced structural distress and damage, rendering them unserviceable.  All three barrages require a comprehensive investigation from multiple angles.”  (Maxim News) 

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