SCR Construction Organisation- Kazipet-Vijayawada Section- Proposed Third line with Electrification between Kazipet and Kondapalli Stations- Proposed casting and launching of precast pre/post-tensioned PSC slabs/ballast retainers of different spans for minor/major bridges and launching of PSC slabs/ballast retainers onto substructure, concreting of approach slabs, casting of head walls, formation of services roads for bridge approaches, earth work in formation for bridge approaches etc. and (Ausschreibung №53507221de)