To carry out 4 Yearly Maintenance, cleaning and painting of 219.1MM OD GSPL, 355.6MM OD Mainline and 406.4MM OD NSPL at Rail Bridge Crossing; their hanger units & General Check-up in line with 4 Yearly Maintenance of 219.1MM OD GSPL, 355.6MM OD Mainline and 406.4MM OD NSPL OD NSPL at BRAHMAPUTRA Rail Bridge: Length: 1282 m, No. of hangers: (3 X 168) No. (RoW KM 424.80)”
