Maintenance at Power Station
Boiler
MAINTENANCE OF FIRST PASS (FURNANCE AND FIRING SYSTEM)
⟥ Complete replacement of refractory for burners and Peepholes
⟥ Maintenance of burners and firing system.
⟥ Complete maintenance first pass internals and Pent house.
⟥ Maintenance of peepholes and external deposit mechanical cleaning.
MAINTENANCE OF SECONDPASS
⟥ Tubes replacement for Secondary Super heater, Primary Super hater, Economizer inlet and out lets and water wall tubes.
⟥ Maintenance and repair of tubes locks and spacer supports.
⟥ Maintenance of pipe lines replacement for auxiliary pipe lines.
⟥ Non – Destructive testing Radiography, Ultrasonic thickness testing & Dye penetrations testing Inspection for tubes and headers.
MAINTENANCE OF STEAM DRUM
⟥ Maintenance of Drum internals, Fasteners, steam separators, steam
dryers, chemical dossing system.
⟥ Non-destructive test for drum dish, shell joints, drum
attachments & down commer tubes Ultrasonic testing.
⟥ Maintenance and replacement of new fasteners and metal
graphite gaskets.
⟥ Maintenance Steam drum cross over steam pipes, roots
valves and level gauge indicators.
MAINTENANCE OF DEAERATOR & FEED WATER STORAGE TANK
⟥ Maintenance and inspection of internals deaerator & feed
water storage tanks.
⟥ Non-Destructive test for deaerator & feed water storage dish, shell joints..
MAINTENANCE OF DAMPERS
⟥ Burner’s primary, Flue gas inlet and outlet dampers, FD-Fan Dampers
⟥ Mechanical maintenance and services and repair works.
⟥ Repair and maintenance of dampers.
AIR PRE HEATER MAINTENANCE (APH)
⟥ Overhaul maintenance of RAP Drive gear system, Lube oil system, Bearing maintenance, flue gas inlets.
⟥ Completed replacement Air-Pre heater baskets elements and Non-metallic expansion joints.
MAINTENANCE OF FROCED DRAFT FAN (FD FAN)
⟥ Maintenance of FD-Fan vanes, Bearing, Ducts and Stacks.
⟥ Inspection and repair of ducts nom
metallic expansion joints
⟥ Painting and protection of structures.
MAINTENANCE OF HIGH ENERGY PIPE
⟥ Maintenance and inspection for Pipe and various type of
support with the high energy pipe.







