1. 1. Tehri dam
2. 2. History The their Dam is the tallest dam in India and one of the tallest in the world.it is a multipurpose rock and earth fill embankment dam on the Bhagirathi River Near Tehri in Uttarakhand, India
3. 3. TEHRI DAM CONSTRUCTION
4. 4. Minimum Draw Down Level (m) 740 Full Reservoir Level (m) State Uttarakhand Basin Name Ganga Maximum Water Level (m) 835 River Bhagirathi Gross Storage Capacity at (MCM) 3540 Dam Type Earthen / Gravity / Masonry Live Storage Capacity (MCM) 2614.87 Dam Status Completed Dead Storage Capacity (MCM) 925 Purpose Hydroelectric,Irrigation Storage Capacity at MWL (MCM) ---Completion Year 2005 2005
5. 5. Submergence Area /Reservoir Area (Th. Ha) 4.2 Land affected - Total (Th Ha) Land 5.465 Dam Height (m) 260.5 Affected - Culturable (Th Ha) 1.6 Design flood (cumec) 15540 Land Affected - Forest (Th Ha) Length of 2.582 Type of Spillway Chute Land Affected - Others (Th Ha) 2.883
6. 6. Spillway (m) 592 Number of Villages Affected 125 Type of Spillway Gates RADIAL Number of the Families Affected - Total 14349 Number of Spillway 3 Gates Size of Spillway Gates (m X m) 18 x 14 Crest Level of Spillway 815 Total Volume Content of Dam (TCM) 27032 Spillway Capacity (cumec) 13025 Zone Seismic Zone-IV
7. 7. TehriHydroPower Complex(2400MW) Tehri Dam & Hydro Power Plant (1000 MW) Koteshwar Hydro Electric Project (400 MW) Tehri Pumped Storage Plant (PSP) (1000 MW) Govt. of India approved the implementation of Tehri Dam & HPP (1000 MW) in March, 1994 along with committed works of Koteshwar HEP Essential works of Tehri PSPMajor works of the Project are being executed through a single EPC contract. Contract for EPC/Turnkey execution of the Project has been awardedto consortium of M/S Alstom Hydro France andHindustan Construction Company on 23rd June-2011. Work on the project has commenced w.e.f 27th Jul,2011.
8. 8. TehriHydroPowerComplex All the four units of Tehri Power Station were commissioned in the year 2006-07 Two Units were commissioned in Mar, 2011& 3 rd &4 th unit were commissioned in Jan, 2012 and Mar, 2012 respectively KoteshwarHEP
9. 9. tunne;l
10. 10. Cable trench
11. 11. Turbo generator
12. 12. turbine Generator coupled to turbine
13. 13. Name Plate Details of Hydraulic Turbine and Generators
14. 14. Main inlet valve
15. 15. Single line Diagram video
16. 16. L i n e s Gantry to koteswar pooling station