Ytps (5X800Mw)-Ci-Ii-Assembling/Dissembling,Cleaning/Purging,Testing,Servicing, Calibration And Refixing Of Ci Equipments/Instruments Of Main Boiler And Boiler Auxiliaries (Id, Fd, Pa Fans And Lube Oil Systems, Blade Pitch Control Dampers, Guns And Igniters, Flame Scanners, Fuel Oil Valves And Solenoids And Instrumentation Pertains To Boiler