DVC strat­egy to fight floods

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Damodar Val­ley Cor­po­ra­tion (DVC) has drawn a three­p­ronged strat­egy to com­bat flood sit­u­a­tions in Ben­gal and im­prove reser­voir op­er­a­tions in the val­ley area spread over Ben­gal and Jhark­hand.

The PSU has re­vised the guide curves to de­ter­mine per­mis­si­ble wa­ter lev­els for its dams, uni­fied the op­er­a­tions of Tenughat dam of the Jhark­hand govern­ment with other reser­voirs in the Damodar val­ley area and re­vamped the flood warn­ing dis­sem­i­na­tion and flood fore­cast­ing sys­tem.

DVC had been crit­i­cised by the Ben­gal govern­ment for its in­abil­ity to con­trol floods in the lower Damodar basin. How­ever, the cen­tral power util­ity has main­tained that it can­not in­de­pen­dently take a call on the re­lease of wa­ter from its dams.

"DVC was faulted by the Ben­gal govern­ment in the past for floods. It is cor­rect that we op­er­ate four reser­voirs - Panchet, Maithon, Ti­laiya and Konar - but the ac­tual re­lease of wa­ter is de­cided by the Damodar Val­ley Reser­voir Reg­u­la­tion Com­mit­tee (DVRRC), which has rep­re­sen­ta­tives from DVC, Ben­gal, Jhark­hand and the Cen­tral Wa­ter Com­mis­sion. Nev­er­the­less, we have ini­ti­ated var­i­ous mea­sures to im­prove our flood man­age­ment sys­tem," said An­drew WK Langstieh, chair­man of DVC.

"We have re­vised the guide curves tak­ing rain­fall data up to 2012. The Tenughat dam has been brought un­der the con­trol of DVRRC. We have im­proved the flood warn­ing sys­tem. The mod­ule will be avail­able to all stake­hold­ers and will be colour­coded based on the amount of wa­ter re­leased. The sys­tem will give an idea that if wa­ter is re­leased by what time it would reach var­i­ous lo­ca­tions (in the down­stream). We have in­stalled a flood fore­cast­ing soft­ware at our Maithon of­fice," he said. The mod­ule will be op­er­a­tional soon.

The chair­man said a de­ci­sion had been taken that if found nec­es­sary, the peak wa­ter level at the Maithon dam could be raised to 500ft from 495ft last year and at Panchet dam to 435ft from 425ft.

"I had a meet­ing with the chief sec­re­tary of Ben­gal on June 9 so that there is max­i­mum pos­si­ble co­or­di­na­tion be­tween the state govern­ment and DVC," he said.

RAGHUNATHPUR STAKE SALE

DVC to­day said a di­vest­ment of stake in its 1,200MW Raghunathpur ther­mal power plant in Pu­ru­lia is set to take shape soon. It is in dis­cus­sions with Neyveli Lig­nite Cor­po­ra­tion after talks with NTPC did not ma­te­ri­alise.

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