Nctps I Se Mi Circle R And M 25 26 Bm Dn Unit I Esp Columns Retrofitting Of Severely Corroded Damaged Esp Column Structure And Bracings By Dismantling Of Corroded Damaged Portion And Fixing Welding Of Fabricated Structure As Original During The Nctps I Se Mi Circle Boiler Maintenance Division Repair And Maintenance Work For The Year 25 26 Specification No 184 25 26