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The Geological Survey of India has done a comprehensive geological work from the reconnaissance stage to construction stage during the period from 1956 to 1977. The arduous geological conditions due to Lithological heterogeneity coupled with complex structures were not conducive for the 37.29 km long, 255 Cumecs capacity tunnel/channel. Some position of the tunnel had to negotiate very difficult flowing and squeezing conditions. Special tunneling techniques were ...
Contents: Preface. 1. Introduction. 2. Geology. 3. Historical background of the project. 4. Subsurface exploration. 5. Physical properties of rockmass. 6. Studies on reservoir area. 7. Studies for the construction material. 8. River diversion during construction. 9. Construction of Rockfill Dam. 10. Construction of Concrete Dam. 11. Construction of Powerhouse and its appurtenant structures. 12. Tail Race Tunnel and its appurtenances. 13. Post construction ...