A) Repairing of 4 nos. fresh water sluice valve 250 mm (10 inch) of unit no. 727 and 728 at 27 mtr level at Hydro Cyclone Section And B) Repairing of (02 nos.) sluice valve size 16 inch (400 mm) for RCC tank suction valve and industrial pump house ma (投標 №96907586cn)