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| Introduction : |
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| The 71MW Sada-Mangder Hydroelectric Power Project is 70kms from by road from Singtam in West District of Sikkim and 66kms from Bagdogra airport,West Bengal |
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Location : |
West District |
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Stream : |
Rangit and Relli |
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Vicinity : |
Ravangla |
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| Project Highlights : |
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The Sada-Mangder Hydroelecrtic Power Project is located in the West District of Sikkim on the river Rangit and Relli.The Rangit river is the second largest river in the Sikkim and a tributary of the Teesta river which is the main river of the state of Sikkim.The Sada-Mangder Hydro Elecrtic power project envisages two peaking power plants with a common underground powerhouse,common tailrace tunnel, common outdoor switchyard comprising two dams each with a storage reservoir and an intake. The upstream water conveyance system of the Sada plant comprises of the headrace tunnel,an underground surge shaft and an inclined pressure shaft,while the Mangder plant consists only of a presure shaft and a generating unit in the same powerhouse but independent in operation.
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Rainfall : |
250-300 cm p.a |
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Dam(Sada) |
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Type : |
Concrete,Gravity |
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Dam height : |
45.9 m |
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Dam Volume : |
37,000 m3 |
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Dam(Mangder) |
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Type : |
Arch |
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Dam height : |
47.3 m |
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Dam Volume : |
25,500 m3 |
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Headrace Tunnel(Sada) |
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Length : |
3558 m |
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Internal Diameter : |
2.7 m |
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Surge Shaft |
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Internal Diameter : |
12 m |
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Height : |
53.9 m |
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Power House |
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Type : |
Out door |
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Turbine type : |
Francis,vertical |
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Generators : |
1 Generator of -- MW capacity |
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 | To get your Bill alongwith the Print Out...Click here |
 | Under Departmental Process |
 | Under Departmental Process |
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