QUEST is involved during Boiler & TG System refurbishment activity for inspections related to - Quantifying Erosion due to high pressures & temperature in the Steam Generation System, suggest replacement of tubes and coils in Water Walls, Super Heaters, Reheaters, Economisers, Air Preheaters, Fuel Firing Burner, Flu Gas Ducts, Witnessing Valve Servicing, Casing removal & fit-up, TG & FD / ID / PA Fan for Bearing wear and alignment. Verifying critical Pipe Line Hangers for cold and hot setting. Witnessing Boiler Hydro Test for compliance