tiruchchirappalli -manamdaurai-rameswaram section:- under water inspection and repairs,annual painting, oiling and greasing of steel girder of 12.20m spans in br.no.346[pamban viaduct] @ km 655/200-657/200 and camber recording in psc girder bridges 67,153, 307, 329, 452, 310 & 311 for the year 2019-20bidding type normal tender .
