balance work of construction of foundation and substructure (including pile foundation,piers, abutment, bed block etc.) of major bridgeno.164(span1x71.50m+5x106.00m+1x71.50m+1x30m steel girder )on river iring atkm.86.996 including protection work in the approaches and other ancillary works inconnection with construction of new bg railway line from jiribam-tupul (imphal) ofn.f.railway(construction) in section khongsang-noney.bidding type two stage reverse auction .
