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| Demwe Lower Hydroelectric Project (1750MW) |
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| Client: |
| Athena Demwe Power Private Limited |
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Services:
Pre-construction stage investigations, preparation of Pre-Feasibility Report, preparation of Detailed Project Report, Preparation of tender documents and drawings, assistance in acquisition of clearances, assistance in bid and award of EPC Contract, Detailed Design, Construction services and Project Management.
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| Details of the Project: |
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| Location: |
Dam site located in District Lohit and 1Km from Parasuram Kund |
| Total Catchment area at Dam site |
20,560km2
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| Installed Capacity |
5 x 342 MW + 1 x 40 MW (1750 MW) |
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Dam |
Concrete Gravity Dam, 474.35m length at top |
| Spillway |
Sluice spillway / Surface Spillway type |
| Diversion Tunnels |
5 Nos.-14.0m diameter Horse Shoe shaped on right bank and 1No.- 6.00m diameter Horse Shoe shaped on left bank. |
| Power Intake |
Rectangular forebay type with inclined trash rack on right bank of Lohit River and inclined at 105 degree to dam axis. Size = 160 m long, 32.57m wide and 48.8 m high |
| Pressure Shaft |
5 Nos. 10.0m diameter, Length varying from 550.0m to 640.0m, underground. The steel liners of varying thickness of 28mm to 36mm have been provided |
| Tailrace |
Open channel, 165m wide, 130m long. |
| Powerhouse |
Surface powerhouse on right bank of Lohit River about 560m downstream of dam axis. |
| Turbines |
Vertical Francis, 5 units of 342 MW each + 1 unit of 40 MW
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Present Status of the Project:
· Concurrence of the DPR of the project was received on 20.11.2009.
· Environment clearance for the project was obtained on 12.02.2010.
· Formal letter for Forest clearance from MOE&F still awaited.
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