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Project Detail:
The company has proposed Karrivalasa PSP (4 x 250 MW) envisages following major project components:
Upper Dam: 520 m long & 88 m high (Gross storage = 13.2 Mm3)
Lower Dam: 740 m long & 62 m high (Gross storage = 38.7 Mm3)
Upper Intake / Outlet: Circular intake, 20.3 m dia., 12 nos. trashrack bays each with
a size of 3.9 m (W) x 8.0 m (H)
Lower Intake / Outlet: Circular intake, 20.3 m dia., 12 nos. trashrack bays, each
with a size of 3.9 m (W) x 7.0 m (H)
Headrace Tunnel: 8 m dia. & 1410 m long. Horse-shoe shaped, concrete lined
Surge Shaft: 11 m dia. & 115 m high, Restricted orifice type
Pressure Shaft: 7.0 m dia. & 2180 m long, Steel lined
Powerhouse: Shaft type, Four (4) nos. of shafts, each of 29 m finished dia.
Tailrace Tunnel: 8 m dia. & 440 m long. Horse-shoe shaped, concrete lined
Pothead Yard: 220 m x 70 m (400 kV Switchyard)
The capital cost of the project is Rs. 4446 Crores at 2020-21 price level including Interest During Construction (IDC) of Rs. 502 Crores. The project is expected to be operational within a period of five (5) years from the date of award of civil works package.
Note: Please Download Project Document attached to this Project for more information.
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