Teesta low dam (Stage IV)
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Particulars
Owner: unknown
Designer: NHPC Ltd.
Contractor: Hindustan Construction Co. Ltd., Mumbai
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 37 m3x106
Height: 45 metres
Length: 196 metres
Volume of RCC: 167 m3x103
Total volume: 170 m3x103
Construction Dates
Start of Project: 05/06 (May 2006)
Start of RCC: 01/13 (January 2013)
End of RCC: 05/15 (May 2015)
End of Project: 08/16 (August 2016)
Country: India
River: Teesta
DMS Co-ordinates: 26˚55'41.17"N, 88˚27'15.97"E
DD Co-ordinates: 26.928102, 88.454437
Facings
Upstream
Slope | Type |
---|---|
0.40 | RCC against formwork (GEVR/GE-RCC) [stepped face] |
Downstream
Slope | Type |
---|---|
0.80 | RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
Slope | Type |
---|---|
separate |
Placement
Layers (mm) | Lifts (mm) |
---|---|
300 | 300 |
Cementitious material
Cement (kg/m3) |
---|
85 |
Pozzolan (kg/m3) | Pozzolan Type |
---|---|
135 | Low-lime flyash (ASTM Class F) |