Work Contract for AOH of boiler non pressure part of 1X500 MW Unit at SGTPS, MPPGCL, Birsinghpur.

section-A

OVERHAULING MAINTENANCE OF ID FANS

INSPECTION & SERVICING OF RTL DODGE SLEEVE BEARING

INTERNAL, INSPECTION AND CLEANING OF FANS

REMOVAL AND RE-FIXING OF CONES

SERVICING /REPLACEMENT OF I.G.V. SYSTEM

ALIGNMENT OF FAN WITH MOTOR

REPLACEMENT OF RTL DODGE SLEEVE BEARING

REPAIRING/REPLACEMENT OF FAN CASING

MAINTENANCE OF SEAL AIR FANS

SERVICING/ REPLACEMENT OF FAN BEARING & COUPLING

SERVICING/ REPLACEMENT OF FAN DISCHARGE VALVE

REPLACEMENT OF IMPELLER

REPLACEMENT OF EXPANSION JOINTS

COMPLETE ALIGNMENT OF MOTOR & FAN ALONGWITH COUPLING

CLEANING OF DYNO VANE FILTERS

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

SERVICING/REPLACEMENT OF SERVO MOTOR

COMPLETE ALIGNMENT OF MOTOR AND FAN ALONGWITH COUPLING

SERVICING & REPLACEMENT OF FAN BEARING

OVERHAULING MAINTENANCE OF PA FANS

SERVICING/REPLACEMENT OF SERVO MOTOR

REPLACEMENT OF 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

SERVICING & REPLACEMENT OF FAN BEARING

CLEANING & SERVICING OF FD & PA FAN COMPONENTS

REMOVAL OF TOP HALF OF FAN CASING AND OGV

CLEANING OF COMPLETE FAN INCLUDING BLADES / SILENCER

REPAIRING/REPLACEMENT OF FAN CASING

SCANNER AIR FANS

SERVICING OF SCANNER AIR FANS

OVERHAULING OF ROTARY AIR HEATER

REPLACEMENT OF WORN OUT PLATES OF CENTRE SECTION BY 8/10/12/16 MM PLATE (HE/CE)

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 HYDRA JETTING

ERECTION & REMOVAL OF TEMPORY SCAFFOLDING & PLATFORM AT COLD END (GAS/AIR SIDE)

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/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 OR 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 ARRANGEMENTAT HOT END

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

REPLACEMENT OF RADIAL SECTOR PLATES

REPAIRING OF RADIAL SECTOR PLATES

OVERHAULING OF AXIAL SECTOR PLATES & ITS MECHANISM

REPLACEMENT OF ‘T’-BARS 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

REPAIRING OF AXIAL SEAL PLATE

MAINTENANCE OF HEATING ELEMENTS SYSTEM OF AIR PREHEATERS

STEAM WASHING OF NEW BASKETS

HIGH PRESSURE HYDRA JET CLEANING OF HOT/INTERMIDEATE/COLD END HEATING ELEMENTS

REPLACEMENT OF HOT/INTERMIDEATE END HEATING ELEMENT

REVERSAL OF HOT & INTERMEDIATE END ELEMENTS

REPLACEMENT OF COLD END HEATING ELEMENT

REVERSAL OF COLD END HEATING ELEMENTS

REPAIR/ REPLACMENT OF COLD END SUPPORT LATTICE

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

REPAIR/ REPLACEMENT OF APH DIAPHRAGMS

REPAIRING 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

REPAIR/ MAINTENANCE OF DUCTINGS

CLEANING OF ASH FROM INSIDE THE DUCT

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 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

REPAIRING OF ECONOMISER HOPPER

REPAIR OF BOF FLUE GAS PATH

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

ERECTION AND REMOVAL SCAFFOLDING FOR DUCT REPAIRING

COMPLETE SEALING/ BLANKING OF DUCT(FLUE GAS/AIR SIDE)

Section D

MAINTENANCE OF DAMPERS & GATES

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

SERVICING OF CA/HA DAMPERS OF MILL

REPAIRING/REPLACEMENT OF MILL HOT/COLD PA DAMPERS FLAPS

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

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

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

REPAIRING OF DAMAGED DAMPER FRAMES OF FLUE GAS/AIR SIDE 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

REPLACEMENT OF SAPH FLUE GAS INLET DAMPER ASSEMBLY (9000X3800 MM) AT THE ELEVATION OF 40 METER

REPLACEMENT OF SAPH FLUE GAS OUTLET DAMPER ASSEMBLY (9000X4000 MM) AT THE ELEVATION OF 17 METER

REPLACEMENT OF HOT PA CONTROL DAMPER ASSEMBLY (1800X1800 MM) AT THE ELEVATION OF 7 METER

REPLACEMENT OF SEAL AIR FAN INLET GATE

INSTALLATION/ REPLACEMENT/REPAIR OF METALLIC EXPANSION JOINT (MEJ) & NON METALLIC EXPANSION JOINT (NMEJ)

FABRICATION OF METALLIC EXPANSION JOINT

ERECTION OF METALLIC EXPANSION JOINT

FABRICATION OF SUPPORT STRUCTURE FOR MOUNTING OF NMEJ/DIVERSION PLATE

ERECTION OF SUPPORT STRUCTURE FOR MOUNTING OF NMEJ/DIVERSION PLATE

ERECTION OF SCAFOLDING & PLATFORM FOR REPLACEMENT OF MEJ/ NMEJ

REPAIRING/REPLACEMENT OF PROTECTION COVER OF NMEJ / MEJ

REPLACEMENT OF NON METALLIC EXPANSION JOINTS OF DUCT AND APH

Section E

OVERHAULING MAINTENANCE OF COAL CIRCUIT

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

FABRICATION OF COAL PIPE FLANGE/COLLAR

REPAIRING OF COAL PIPE SUPPORT FRAME

REPAIR/ REPLACEMENT OF PIPE ABOVE MDV

P.F.DISCHARGE PIPE

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.

SERVICING OF COAL PIPE HANGER INCLUDING REPAIRING.

SERVICING/ REPLACEMENT OF SLEEVE COUPLING OF COAL PIPES

REMOVAL, INSPECTION/ REPLACEMENT OF ORIFICES IN PF PIPE LINES

REPAIRING/REPLACEMENT OF COAL BURNER

REPLACEMENTOF COMPLETE COAL BURNER ASSEMBLY

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

REPLACEMENT AND RE-FIXING OF BURNER PANEL AIR SEAL PLATE WITH FASTENER

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

REPAIRING OF BURNER PANEL INNER/OUTER COVER

APPLICATION OF CERAMIC FIBRE BLANKETS AT BURNER PANEL & APH CENTRE SECTION

MILLS

SERVICING, RECTIFICATION OF FEEDER INLET/OUTLET GATE

SERVICING, RECTIFICATION OF BUNKER OUTLET GATE JAMMING

SERVICING, RECTIFICATION OF NEEDLE GATE ASSEMBLY

REPAIRING OF PF ELBOW

REPLACEMENT OF PF ELBOW/FIE/MOE

REPLACEMENT/ ROTATION OF STRAIGHT COAL PIPES

FABRICATION AND ERECTION OF CHUTE & PIPE WITH FLANGES

REPAIR AND RESTRUCTURING OF FAN SUCTION MANIFOLD CANOPY

Section F

SERVICING OF HFO PUMP

SERVICING OF LDO PUMP

SERVICING OF HFO HEATER

SERVICING OF HFO COOLER

SERVICING / REPLACEMENT OF VALVES

UPTO 50 MM

ABOVE 50 MM

COMPLETE SERVICING OF HFO & LDO STRAINER/FILTER

REPLACEMENT OF TRACING LINE/AIR PIPE

REPLACEMENT OF HFO/STEAM PIPE

K K POWER CONSTRUCTION