Labour charges for Surface preparation, Application of primer, application of paint for ESP Roof side plates and ESP Hoist Structure ,Air tank of APH,APH structure area ,Hot PA Common duct and drop duct ,PA duct structure and APH outlet to ESP inlet Structure ,ESP to Chimney inlet duct structure of Boiler Unit-I where ever necessary ,including required consumables like wire brushes, rust cleaner and excluding paint during year 2023-24