Nctps I Se Mi Circle Aoh 25 26 Bm Dn Unit Iii Esp Inlet A B Pass Patch Up Welding Work For Damaged Flue Gas Duct Portion From Mech Hopper Top Expansion Joint To Esp Inlet Expansion Joint Ie Before Splitter Assembly Nctps I Se Mi Circle Boiler Maintenance Division Annual Overhaul Work For The Year 25 26 Specification No 259 25 26