Work contract for Annual Overhauling of Boiler Non-Pressure Part of unit 1and2 at 2X600 MW, SSTPP, MPPGCL, Dongalia.

SECTION A-1 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 /REPLACEMENT OF I.G.V. SYSTEM.

REPAIRING OF ID FAN CASING & ASSOCIATED CHAMBER DUCT

REPLACEMENT OF FAN BEARING

ALIGNMENT OF FAN WITH MOTOR

SECTION A-2 MAINTENANCE OF SEAL AIR FANS

SERVICING/ REPLACEMENT OF FAN BEARING & COUPLING

COMPLETE ALIGNMENT OF MOTOR & FAN ALONGWITH COUPLING.

CLEANING OF DYNO VANE FILTERS

SECTION A-3 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 SERVO MOTOR

COMPLETE ALIGNMENT OF MOTOR AND FAN ALONGWITH COUPLING.

SECTION A-4 OVERHAULING MAINTENANCE OF PA FANS

SERVICING/REPLACEMENT OF SERVO MOTOR.

CHECKING & SERVICING / REPLACEMENT OF SET OF FAN BRGS.

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

SECTION A-5 CLEANING & SERVICINGOF FD & PA FAN COMPONENTS

REMOVAL OF TOP HALF OF FAN CASING AND OGV

CLEANING OF COMPLETE FAN INCLUDING BLADES / SILENCER

SECTION B1 OVERHAULING OF ROTARY AIR HEATER

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

INSPECTION / CLEANING / REPAIRING OF SCAPH SYSTEM

GUIDE BEARING CHECKING / SERVICING

CHANGING OF EXISTING GUIDE BRG. BY NEW BRG.

SUPPORT BEARING CHECKING / SERVICING

REPLACEMENT OF SUPPORT BEARING

CHECKING OF ROTOR RUNOUT

ROTOR LEVELING

MAINTENANCE OF SPOOL PIECE

REPAIR/REPLACEMENT OF APH GUIDE BEARING AIR SEALING COVER ASSEMBLY

REPAIR/ REPLACEMENT OF SPOOL ASSEMBLY

SECTION B2 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

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

REPAIR/ REPLACEMENT OF RADIAL SECTOR PLATES

OVERHAULING OF AXIAL SECTOR PLATES & ITS MECHANISM

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

SECTION B3 MAINTENANCE OF HEATING ELEMENTS SYSTEM OF AIR PREHEATERS

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

SECTION B4 MAINTENANCE OF DRIVE SYSTEM OF AIR PREHEATERS

OVERHAULING OF DRIVE GEARBOX OF AIR PREHEATERS

OVERHAULING OF FLUID COUPLING

COG RIM ALIGNMENT ETC.

ALIGNMENT OF DRIVE MOTORS, FLUID COUPLING & GEARBOXES

SECTION B5 MAINTENANCE OF SOOT BLOWING SYSTEM OF AIR PREHEATERS

OVERHAULING OF SOOT BLOWER GEAR-BOX

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

SECTION B6 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

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

SECTION C REPAIR/ MAINTENANCE OF DUCTINGS

CLEANING OF ASH FROM INSIDE THE DUCT

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

REPAIR OF DUCTS BY PATCHING

i)WITH STEEL

ii)WITHOUT STEEL

WELDING OF STEEL (06 MM TO 20 MM) STEEL PLATE

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

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

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

FABRICATION AND REPLACEMENT OF DAMPERS SEAL.

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

REPLACEMENT/REPAIR OF DAMAGED MEJ OF COLD SECONDARY AIR DUCTS.

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)

ERECTION OF SCAFOLDING & PLATFORM FOR REPLACEMENT OF MEJ.

REPAIRING/REPLACEMENT OF PROTECTION COVER OF NMEJ / MEJ

SECTION E1 OVERHAULING MAINTENANCE OF COAL CIRCUIT

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

REPAIRING/REPLACEMENT OF CENTRE FEED PIPE

REPAIRING/REPLACEMENT OF SLEEVE COUPLING

REPLACEMENT / REPAIRING OF RCF CHUTE (BELOW RCF)

REPAIRING & SERVICING OF COAL PIPES HANGERS & SUPPORTS

COAL PIPE & COMPONENTS PATCHING (IN RMTRS)

SECTION E2 P.F.DISCHARGE PIPE

CLEANING OF CHOCKED PF DISCHARGE PIPE OF COAL MILL

REPLACEMENT / REPAIRING OF P.F. BENDS.

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.

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

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

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 BULL RING SEGMENTS INCLUDING BOWL EXTN. RING.

REPLACEMENT OF GRINDING ROLLS WITH NEW BRGS.

REPLACEMENT/REPAIRING OF BOWL EXTENSION RING

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 OF SET OF LABYRINTH SEALS

REPLACEMENT/REPAIRING OF LOWER SKIRT AND SCRAPER

REPLACEMENT OF SCRAPER ASSLY.

SERVICING, RECTIFICATION OF FEEDER INLET/OUTLET GATE.

REPLACEMENT/REPAIR / ROTATION OF CERAMIC LINED STRAIGHT PIPES

SECTION F OVERHAULING OF ESP

SECTION F1 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 F2 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 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 F3 REPAIR & RECLAMATION OF ESP COMPONENTS

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

REPAIR OF ESP MANHOLE DOOR

REPAIR OF ESP HOPPERS

(II) WITH STEEL

(II) WITHOUT STEEL

REPAIR OF ESP CASING :-

(I) WITH STEEL

(II) WITHOUT STEEL

SERVICING & REPLACEMENT OF RAPPING GEAR BOXES

SECTION G

SERVICING OF HFO PUMP

SERVICING OF LDO PUMP.

SERVICING OF HFO HEATER.

COMPLETE SERVICING OF HFO STRAINER/FILTER.

K K POWER CONSTRUCTION

UNITED ENGINEERING