Balance Work Against Work For Replacement Of Corroded Top Flange Plate, Corroded Head Loss Rivets Of Bridge No. 156 Up, 378 Dn, Replacement Of Corroded Rivets Of Br. No. 378 Up, Replacement Of Cracked Intermediate Cross Frame Stiffeners And Provision Of Additional Cross Frames In Girders Of Br. No. 447 12X12.2 Mg And Provision Of Inspection Ladders In Several Bridges
