earthwork in formation for making railway embankment, construction of minor bridge,blanketing work as per rdsos specification and construction of substructure andsuperstructure of major bridges on pile foundation: bridge no. 513 (6x12.2m psc slab), 516(5x12.2m psc slab), 517 (2x9.15+3x6.1m psc slab), 518 (2x12.2m psc slab), 519(2x12.2m psc slab), 520 (3x6.10m psc slab), 521 (4x30.5m owt + 2x6.1m psc slab), 523(2x9.15m psc slab), 524 (1x12.2m psc slab), 525 (9.15m+12.2m+9.15m psc slab), 527(3x12.2m psc slab), 531 (3x12.2m psc slab) and 532 (2x12.2m psc slab) including steelgirder launching of bridge no. 521 (4x30.5m owt) and all ancillary works in between stationrangiya to agthori km 362/0 to km 395/0 in connection with double line work of newbongaigaon - agthori project.bidding type two stage reverse auction .
