Details: construction of step concrete wall near intake at left bank collapsed near intake due to heavy rain of myntdu leshka dam. earthwork in excavation for structures: by manual means in ordinary soil supplying fitting and placing hysd bar reinforcement (fe 415) in substructure complete as per drawing and technical specification clause. plain/reinforced cement concrete in sub-structure complete as per drawings and technical specification clauses: in p.c.c. grade m20 (1 : 1.5 : 3) nominal mix: upto 5 m height. providing and laying filter media with granular crushed aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil and size towards the wall and providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical specification clause. construction of retaining wall at approach to intake area including gate and grill railing clearance of landslips
Sector: Banking