Project detail:
The Damanganga-Vaitarna-Godavari link project envisages diversion of 202 Mm3 of water from Damanganga and Vaitarna basins to Dev river, a tributary of Godavari in Upper Godavari sub-basin. In this proposal, it is proposed to divert the surplus water of 5 identified storage reservoirs viz., Val & Vagh in Damanganga basin located on Vagh river, a main tributary of Damanganga river, Kalampada, Dulachiwadi & Udhare reservoirs in Vaitarna basin located on tributaries of Pinjal river, a main tributary of Vaitarna river. The total surplus waters proposed for diversion from these five reservoirs is 186 Mm3. Further, as per water balance study carried out by NWDA, it is possible to divert 16 Mm3 of surplus water from the existing Upper Vaitarna reservoir.
The total cost of the project is estimated to be Rs.2690.23 crores (with Alternative -I Canal) & Rs.2708.27 crores (with Alternative -II Canal) at 2015-16 price level, which includes the cost of head works at Rs.1577.75 crores, the cost of conveyance system at Rs.580.45 crores (with Alt-I canal) and Rs.598.49 crores (with Alt-II) and the cost of lifting arrangements at Rs.532.03 crores. The annual cost after duly considering the annual power requirement for lifting arrangements works out to Rs.372.05 crores (with Alt-I canal) & Rs.374.04 crores (with Alt-II canal). The direct benefits from the link project due to irrigation, domestic & industrial water supplies, fisheries development and animal husbandry are estimated to be Rs.616.01 crores. The benefit-cost ratio (BCR) of the project works out to 1.656 (with Alt-I canal) and 1.647 (with Alt-II canal) where as the Internal Rate of Return (IRR) works out to 14.38% (with Alt-I canal) and 14.31% (with Alt-II canal).
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