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Kholongchu Hydro Electric Project (600MW)
Client:
Satluj Jal Vidyut Nigam Limited
Services:
For Preparation of Feasibility Study Report (FSR) and Detailed Project Report (DPR) including Investigation Works for the project.
Details of the Project:
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Location
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Dam site is located approximately 6km along the river upstream of Kholongchu-Gamrichhu confluence (Duksum)
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Total Catchment area at diversion site
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1044 km2
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Installed Capacity
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4 x 150 MW = 600 MW
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Dam
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Concrete Gravity Dam, Height 62m above river bed
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Spillway
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Ogee with Sluice type (Lower Tier)
Ogee with Open Crest (Upper Tier)
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Pressure Shaft
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Two nos, 3.30 m dia,1320 m long circular pressure shafts each bifurcated to two nos, 2.35 m dia, to feed four units
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Head Race Tunnel
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5.70 m Φ Horse Shoe Shaped, Length 15.77m
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Tailrace
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4 No’s, 3.50 m (W) x 6.00 m (H) D- Shaped Unit TRT converging into 6.00 m (W) x 6.00 m (H) D shaped single TRT, 1450 m long, to outfall on right bank of Dramengchu (Gongrichu)
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Powerhouse
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Underground powerhouse on right bank.
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Turbine
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Pelton, 4 units of 150 MW each
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Transmission Line
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120 Km Transmission line
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90% dependable firm energy
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2568.88 MU
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Present Status of the Project:
Drilling work completed at site.
The PH drift excavation on revised PH location progressed up to 110 m out of drifting length of 265 m.
Detailed Project Report prepared by EIPL is under review. Approval of Detailed
Project Report from CEA is awaited
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