Geotechnical operation at No. 1 Sangtuda HPP in the Republic of Tajikistan Start date: 01-October-2011Due date: 01-December-2012Status: CompletedTechnical area:Water And Environment – GeotechnicsEmployer:Ministry of Energy and Water Resources of the Republic of Tajikistan, Inter RAO Company Roles Coring of the impounded dam structure Drain boreholes Excavation and grouting