AOH work of Boiler Non Pressure Part of Unit no. 2 at 2X600MW, SSTPP, MPPGCL, Dongalia

SECTION-A1: OVERHAULING MAINTENANCE OF ID FANS

INSPECTION & SERVICING OF RTL DODGE SLEEVE BEARING

INSPECTION & SERVICING OF FAN MOTOR BEARING

INTERNAL, INSPECTION AND CLEANING OF FANS

REMOVAL AND RE-FIXING OF CONES

SERVICING AND REPAIR OF I.G.V. SYSTEM.

REPLACEMENT OF FAN BEARING

ALIGNMENT OF FAN WITH MOTOR

SECTION-A2: MAINTENANCE OF SEAL AIR FANS

SERVICING/ REPLACEMENT OF FAN BEARING & COUPLING

REPLACEMENT OF IMPELLER

REPLACEMENT OF EXPANSION JOINTS

COMPLETE ALIGNMENT OF MOTOR & FAN ALONGWITH COUPLING.

CLEANING OF DYNO VANE FILTERS

SECTION-A3: OVERHAULING MAINTENANCE OF F.D. FANS

SERVICING OF FAN ROTOR ASSEMBLY

SERVICING OF BLADE BEARING ASSEMBLY

IN-SITU REPLACEMENT OF COUNTERWEIGHT & LEVER ASSEMBLY OF BLADE BEARING ASSEMBLY.

CHECKING & SERVICING / REPLACEMENT OF SET OF FAN BRGS.

SERVICING/REPLACEMENT OF HAD

COMPLETE ALIGNMENT OF MOTOR AND FAN ALONGWITH COUPLING.

SECTION-A4: OVERHAULING MAINTENANCE OF PA FANS

SERVICING/REPLACEMENT OF HAD.

REPLACEMENT OF RUBBER FROM EXPANSION JOINT.

COMPLETE ALIGNMENT OF MOTOR & FAN ALONGWITH COUPLING.

SERVICING OF FAN ROTOR ASSEMBLY

SERVICING OF BLADE BEARING ASSEMBLY

IN-SITU REPLACEMENT OF COUNTERWEIGHT & LEVER ASSEMBLY OF BLADE BEARING ASSEMBLY.

INSPECTION & SERVICING OF PA FAN MOTOR BEARING

CHECKING & SERVICING / REPLACEMENT OF SET OF FAN BRGS.

SECTION-A5: CLEANING & SERVICINGOF FD & PA FAN COMPONENTS

REMOVAL OF TOP HALF OF FAN CASING AND OGV

CLEANING OF COMPLETE FAN INCLUDING BLADES / SILENCER

REPAIRING OF FAN CASING

SECTION-A6: SCANNER AIR FANS

SERVICING OF SCANNER AIR FANS

SECTION B1: OVERHAULING OF ROTARY AIR HEATER

REPLACEMENT OF WORN OUT PLATES OF CENTRE SECTION BY 10/12/16 MM PLATE

GUIDE BEARING CHECKING / SERVICING

REPLACEMENT OF GUIDE BEARING

SUPPORT BEARING CHECKING / SERVICING

REPLACEMENT OF SUPPORT BEARING

CHECKING OF ROTOR RUNOUT

ROTOR LEVELING

INTERNAL CLEANING OF APH CASING WITH HYDRO JETTING

ERECTION & REMOVAL OF TEMPORY SCAFFOLDING & PLATFORM AT COLD END

MAINTENANCE OF SPOOL PIECE

SERVICING & REPLACEMENT OF TRUNION/SPOOL SEAL ASSY

REPLACEMENT OF TRUNION SHAFT AND ADAPTOR SLEEVE

REPAIR/REPLACEMENT OF AIR SEALING COVER ASSEMBLY OF GB and SB

REPAIR/ REPLACEMENT OF SPOOL ASSEMBLY

MAINTENANCE OF SEALING SYSTEM OF AIR PREHEATER

LEVELING OF HE RADIAL SECTOR PLATE

LEVELING OF CE RADIAL SECTOR PLATE

LEVELING OF AXIAL SECTOR PLATE

REPAIR / REPLACEMENT OF RADIAL SEALS & ROTOR POST SEALS OF HE AND CE SIDE AND SETTING THEREAFTER

AXIAL SEAL REPAIR/ REPLACEMENT & SETTING

BY PASS SEAL REPAIR/ REPLACEMENT & SETTING

IN-SITU CONDITION REPAIR OF SECTOR PLATES

MODIFICATION ADJUSTER ROD ASSEMBLY OF HE/CE SECTOR PLATE/ TRACKING SPOOL ASSEMBLY ARRANGEMENT AT HOT END

REPAIR/ REPLACEMENT OF DAMAGED, COVER PLATES & SEALS BETWEEN SECTOR PLATES & CENTER SECTION

REPLACEMENT OF RADIAL SECTOR PLATES

REPARING OF RADIAL SECTOR PLATES

OVERHAULING OF AXIAL SECTOR PLATES & ITS MECHANISM

REPLACEMENT OF ‘T’-BARS AT HE OR CE SIDE

REPLACEMENT/REPAIR OF STATIC SEAL ASSEMBLY (HOT END/ COLD END)

REPLACEMENT/REPAIR OF BY PASS SEAL ANGLE OF HE/CE

REPLACEMENT/REPAIR OF BY PASS SEAL BAR ASSEMBLY

REPAIR/REPLACEMENT OF ROTOR ANGLE

REPARING OF AXIAL SEAL PLATE

MAINTENANCE OF HEATING ELEMENTS SYSTEM OF AIR PREHEATERS

STEAM WASHING OF NEW BASKETS

HIGH PRESSURE WATER JET CLEANING OF HOT/INTERMIDEATE/COLD END HEATING ELEMENTS (THROUGH MORE THAN 100 KG/SQ. CM PRESSURE)

REPLACEMENT OF HOT AND HOT INTERMIDEATE END HEATING ELEMENT (1 Set = 288 Nos baskets)

REVERSAL OF HOT & INTERMEDIATE END ELEMENTS. (If replacement work is not carried out).

REPLACEMENT OF COLD END HEATING ELEMENTS. (If replacement work is not carried out).

REVERSAL OF COLD END HEATING ELEMENTS. ( 1 set = 384 nos baskets)

REPAIR/ REPLACMENT OF COLD END SUPPORT LATTICE

REPAIR/ REPLACEMENT OF SUPPORT OF H.I.E. BASKETS

REPAIR/ REPLACEMENT OF APH DIAPHRAGMS

REPARING OF WORN OUT HEATING ELEMENT

MAINTENANCE OF DRIVE SYSTEM OF AIR PREHEATERS

OVERHAULING OF DRIVE GEARBOX OF AIR PREHEATERS

REPLACEMENT OF DRIVE GEARBOX OF AIR PREHEATERS

OVERHAULING OF FLUID COUPLING

COG RIM ALIGNMENT ETC.

REPAIR/ REPLACEMENT OF COG RIM PINS(SECTORS)

ALIGNMENT OF DRIVE MOTORS, FLUID COUPLING & GEARBOXES

REPAIR/REPLACEMENT OF PINION & TAPER LOCK BUSH/WORTHINGTON HUB

REPLACEMENT/REPAIRING OF RACK ASSEMBLY OF ROTOR

MAINTENANCE OF SOOT BLOWING SYSTEM OF AIR PREHEATERS

OVERHAULING OF SOOT BLOWER GEAR-BOX

REPAIR/ REPLACEMENT OF LANCE TUBES & PROTECTION COVER / STEAM NOZZLES

MAINTENANCE WORKS OF LOP SYSTEM OF ID, FD & PA FANS & AIR PREHEATERS

DECOUPLING, ALIGNMENT & COUPLING OF LUBE OIL PUMPS

CLEANING OF LUBE OIL TANK & REPLACEMENT OF LUBE OIL OF FANS & AIR PREHEATERS

SERVICING & REPLACEMENT OF LUBE OIL PUMPS

CLEANING / SERVICING OF LUBE OIL COOLERS & COOLING WATER LINE VALVES

Painting of all Boiler Auxiliaries its LOP system etc.

SECTION C1: REPAIR/ MAINTENANCE OF DUCTINGS

CLEANING OF ASH FROM INSIDE THE DUCT (PA/FD/FG Ducts)

REPAIR OF DIVERSION PLATES WITHOUT STEEL

REPLACEMENT OF DIVERSION PLATES/ FLUE GAS SPLITTER INSIDE THE DUCT & I/L OF ESP

REPAIR OF DUCTS BY PATCHING

WITH STEEL

WITHOUT STEEL

DISMANTLING OF STEEL STRUCTURES

WELDING OF STEEL STEEL PLATE, MS ANGLE, MS FLAT

GAS CUTTING OF M.S. MATERIAL

REPLACEMENT OF BRACING PIPES / PROTECTIVE ANGLES INSIDE DUCT

REPLACEMENT OF BEAMS / CHANNELS INSIDE DUCTS

REPLACEMENT OR, REFIXING OF C&I TAPPING POINTS

REPAIRING OF APH HOPPER

REPAIR OF BOF FLUE GAS PATH

LIFTING & TRANSPORTATION OF COAL DUST, ASH DEBRIS AND WASTE MATERIAL

ERECTION AND REMOVAL SCAFFOLDING FOR DUCT REPAIRING

SECTION D1: MAINTENANCE OF DAMPERS & GATES

CLEANING AND INSPECTION OF MILL HOT/COLD PA DAMPERS/GUILLOTINE GATES

REPAIRING/REPLACEMENT OF MILL HOT/COLD PA DAMPERS FLAPS

CLEANING, INSPECTION & SEAL REPLACEMENT OF FLUE GAS/AIR PATH DAMPERS/GUILLOTINE GATES

REPAIRING/REPLACEMENT OF FLUE GAS/AIR PATH DAMPERS FLAPS ASSEMBLY

SERVICING OF GUILLOTINE GATES OF ESP INLET & OUTLET, ID FAN OUTLET.

REPAING OF DAMAGED DAMPER FRAMES OF FLUE GAS/AIR PATH DUCTING SYSTEM

REPLACEMENT/REPAIRING OF JAM SEAL OF DAMPER

FABRICATION AND REPLACEMENT OF DAMPERS SEAL.

REMOVAL & REFITING OF ACTUATOR AND GEARBOX OF DAMPER/ GUILLOTINE GATE

SECTION D2: INSTALLATION/ REPLACEMENT/REPAIR OF METALLIC EXPANSION JOINT (MEJ)

FABRICATION OF METALLIC EXPANSION JOINT.

DISMANTLING & ERECTION OF METALLIC EXPANSION JOINT

ERECTION OF SUPPORT STRUCTURE FOR MOUNTING OF MEJ/DIVERSION PLATE

ERECTION OF SCAFOLDING & PLATFORM FOR REPLACEMENT OF MEJ.

REPAIRING/REPLACEMENT OF PROTECTION COVER OF NMEJ / MEJ

REPLACEMENT/REPAIR OF DAMAGED MEJ COLD PRIMARY AIR DUCTS.

REPLACEMENT /REPAIR OF DAMAGED MEJ HOT SECONDARY AIR DUCTS.

REPLACEMENT/REPAIR OF DAMAGED MEJ HOT PRIMARY AIR DUCTS AND FLUE GASES DUCTS

REPLACEMENT/REPAIR OF DAMAGED MEJ HOT/COLD PRIMARY AIR(LOCAL TO MILL)

SECTION E1: OVERHAULING MAINTENANCE OF COAL CIRCUIT

COMPLETE SERVICING OF GRAVIMETRIC RAW COAL FEEDER INCLUDING REPLACEMENT OF HEAD PULLEY & TAIL PULLEY & COC SYSTEM.

REPLACEMENT OF CENTRE FEED PIPE

SERVICING/REPLACEMENT OF SLEEVE COUPLING OF COAL PIPE

FABRICATION OF COAL PIPE FLANGE/COLLAR

REPAIRING OF COAL PIPE SUPPORT FRAME

REPAIR/ REPLACEMENT OF COAL PIPE ABOVE MDV

REPLACEMENT / REPAIRING OF RCF CHUTE (BELOW RCF)

SERVICING OF COAL PIPES HANGERS INCLUDING REPAIRING

SECTION E2:P.F.DISCHARGE PIPE

CLEANING OF CHOCKED PF DISCHARGE PIPE OF COAL MILL

REPLACEMENT OF P.F. BENDS.

REPAIRING OF P.F. BEND, CENTRE FEED PIPES & STRAIGHT PIPE BY PATCH WELDING.

CHANGING OF COAL PIPE VICTAULIC COUPLING GASKET ETC.

REMOVAL, INSPECTION/ REPLACEMENT OF ORIFICES IN PF PIPE LINES

SECTION E3: REPAIRING/ REPLACEMENT OF COAL BURNER

REPLACEMENTOF COMPLETE COAL BURNER ASSEMBLY

REPAIR OF COAL NOZZLE AND COAL COMPARTMENT ASSEMBLY ETC(IN SITU CONDITION)

REPLACEMENT/REPAIR OF OIL /AIR TIP.

SERVICING & REFITTING OF OIL BURNER ASSEMBLY

REPLACEMENT/REPAIR OF GUIDE PIPES OF OIL GUN/SCANNERS/IGNITERS INSIDE THE OIL COMPARTMENT

INSPECTION AND REPAIR OF GUIDE PLATES OF BURNERS IN COAL NOZZLE COMPARTMENT AND AIR/OIL COMPARTMENT

SERVICING OF BURNER TILT MECHANISM & ARRANGEMENT OF ALL FOUR CORNERS COAL NOZZLES.

REPAIRING OF BURNER PANEL INNER/OUTER COVER

SECTION E4:MILLS

ALIGNMENT OF MILL MOTOR WITH GEAR BOX.

REPLACEMENT OF BULL RING SEGMENT AND REPLACEMENT OF ALL THE 3 GRINDING ROLLS.

REPLACEMENT OF GRINDING ROLLS WITH NEW BRGS.

SERVICING OF PINION SHAFT ASSEMBLY

REMOVAL,DISMENTLING,SERVICING ALIGNMENT AND RE-INSTALLATION OF ROLLER JOURNAL ASSLY.

REPAIRING/REPLACEMENT OF MPO, MDV, OUTLET VENTURI, MPO PLATE, ETC

SERVICING OF CLASSIFIER VANES

REPAIRING AND RESETTING OF BOTTOM INSULATION COVER PLATE.

REPAIRING/REPLACEMENT OF AIR DIVERSION PLATE.

SERVICING OF LUB OIL SYSTEM OF MILL.

(i) DECOUPLING, ALIGNMENT & COUPLING OF LUBE OIL PUMPS

(ii) CLEANING OF LUBE OIL TANK & REPLACEMENT OF LUBE OIL OF MILL GEARBOX OIL TANK

(iii) CLEANING OF LUBE OIL COOLERS OF COAL MILLS

REPAIRING OF AIR PORT ASSEMBLY

REPLACEMENT OF AIR PORT ASSEMBLY

REPLACEMENT/ REPAIR OF SET OF LABYRINTH SEALS

REPLACEMENT/ REPAIRING OF LOWER SKIRT AND SCRAPER

REPLACEMENT OF SCRAPER ASSLY.

SERVICING, RECTIFICATION OF FEEDER INLET/OUTLET GATE.

SERVICING, RECTIFICATION OF BUNKER OUTLET GATE JAMMING

SERVICING, RECTIFICATION OF NEEDLE GATE ASSEMBLY

REPLACEMENT OF PF ELBOW/FIE/MOE

REPLACEMENT/REPAIR / ROTATION OF CERAMIC LINED STRAIGHT PIPES

SECTION-F

SECTION F1: SERVICING OF HFO PUMP

SECTION F2: SERVICING OF LDO PUMP.

SECTION F3: SERVICING OF HFO HEATER.

SECTION F4: COMPLETE SERVICING OF HFO STRAINER/FILTER.

SECTION G1: CLEANING, INSPECTION & ALIGNMENT RECTIFICATION OF ESP PASSES

INTERNAL CLEANING OF ESP FIELDS & HOPPERS

PREPARATION OF SCAFFOLDING AND INTERNAL INSPECTION FOR FIELDS

CLEANING & INSPECTION OF SUPPORT INSULATOR & ITS HEATING ELEMENTS

CLEANING & INSPECTION OF SHAFT INSULATOR & ITS HEATING ELEMENTS

ALIGNMENT OF EMITTING FRAME

SECTION G2:REPLACEMENT OF DAMAGED COMPONENTS OF ESP

INSPECTION & RECTIFICATION OF PLAIN BEARING OR, BUSH BEARINGS & BUSH BEARING HOUSINGS

REPLACEMENT / REPAIRING OF RAPPING HAMMERS OF CERM / EERM /GDRM

REMOVAL & REFITTING OF ESP HOPPER FLUIDIZING TILES

REPAIR / REPLACEMENT OF SHOCK BAR

REPLACEMENT OF SHAFT INSULATORS

REPLACEMENT OF SUPPORT INSULATORS

REPAIR/REPLACEMENT OF G.D. SCREEN

REPAIRING & ALIGNMENT OF COLLECTING ELECTRODE

REPLACEMENT OF EMITTING ELECTRODES

REPAIRING OF RAPPING SHAFTS OF CERM/ EERM/ GDRM.

REPLACEMENT / REPAIR OF VERTICAL SHAFT OF EERM.

RECLAMATION & REPLACEMENT OF JAW COUPLINGS OF CERM /EERM/ GDRM

REPLACEMENT / TOP UP OF OIL OF CERM/ EERM/ GDRM GEAR BOX

REPLACEMENT OF GLAND PACKING OF CERM/ EERM/ GDRM

REPAIR /REPLACEMENT OF SHOCK- BAR PADS

REPAIR / REPLACEMENT OF GEAR WHEELS OF EERM

REPAIR/ REPLACEMENT / REFIXING OF DEFLECTOR PLATE

LIFTING & TRANSPORTATION OF ASH FROM ESP AREA

SECTION G3:REPAIR & RECLAMATION OF ESP COMPONENTS

RECLAMATION OF INNER/OUTER ARMS OF CERM/EERM/GDRM

REPAIR OF ESP MANHOLE DOORS

REPAIR OF ESP HOPPERS

(I) WITH STEEL

(II) WITHOUT STEEL

REPAIR OF ESP CASING :-

(I) WITH STEEL

(II) WITHOUT STEEL

SERVICING & REPLACEMENT OF RAPPING GEAR BOXES

Work for restoration of damaged field

Collecting electrodes

Frame of emmitting electrodes, Top

Frame of emmitting electrodes, Middle

Frame of emmitting electrodes, Bottom

Suspension Collecting electrodes

Way bracket