3. CONSTRUCTION PLANNING AND SCHEDULING

3.1 Construction Work Quantity

The main work quantity to be done in the construction of principal structures and diversion works is as follows:

      --Earth-and--rock excavation                        102.59 million m³

      --Earth-and--rock embankment                        29. 33 million m³

      --Concrete placing                                  27.15 million m³

      --Re--bar                                           354. 30×103 tons

      --Metal works                                       280. 8×103 tons

      -- Installation of turbine generator                26 sets (18, 200 MW)