Annual Overhauling of Boiler Pressure part of unit 1and2 at 2x600MW, SSTPP, MPPGCL,

SECTION-A1 Cleaning of Boiler

COMPLETE EXTERNAL CLEANING OF BOILER FROM TOP TO BOTTOM ( FROM BOILER LIFT TO FD/PA FAN)

INTERNAL CLEANING OF BOILER IN IIND PASS

CLEANING OF ASH FROM ECONOMISER HOPPER WITH CONNECTING DUCTS

CLEANING OF PENT HOUSE, CAT HOUSE, DEAD CHAMBER

CLEANING OF EMEGENCY COOLING WATER SUPPLY TANK FOR BCW MOTOR

BOTTOM ASH HOPPER CLEANING

SECTION-A2 Preparation of Scaffolding

PREPARATION OF SCAFFOLDING IN BOILER HORIZONTAL PASS (SCREEN TUBES)

PREPARATION OF SCAFFOLDING ABOVE ECONOMISER HOPPER FOR INSPECTION OF ECONOMISER LOWER BANK COILS & C-HEADER.

PREPARATION OF QUICK ERECT SCAFFOLDING SYSTEM (CUP-LOCK SYSTEM) IN BOILER FURNACE (FROM TOP TO BOTTOM)

PREPARATION & OPERATION OF SKY CLIMBER IN FURNACE

PREPARATION OF SCAFFOLDING AT WW RING HEADER FOR INSPECTION OF RING HEADER & REFIXING/REPLACEMENT OF STRAINERS & ORIFICES.

Preparation of Scaffolding in Wind BOX

PREPARATION OF SCAFFOLDING IN CAT HOUSE FOR FRONT/REAR S-PANEL BACKSIDE CHECKING, REPAIRING

Preparation of Scaffolding in Bottom Ash Hopper

SECTION-A3 Inspection

INSPECTION OF COMPLTE BOILER PRESSURE PARTS (IST & IIND PASS)

INSPECTION AND REPAIR OF ALL DOORS ,WINDOWS AND PEEP HOLES IN BOILER

HEADER INSPECTION & INSPECTION OF SPRAY NOZZLE ATTEMPERATOR

INTERNAL INSPECTION & CLEANING OF BOILER DRUM

CLEANING AND REPAIR OF WIND BOX

(i) WITH STEEL

(ii) WITHOUT STEEL

REPLACEMENT OF WIND BOX ROOF

(i) WITH STEEL

(ii) WITHOUT STEEL

SERVICING OF SECONDARY AIR DAMPERS

Dye Penetration Test (DP Test) With Kit

Transportation of Ash, Scraps, Debries and other waste materials ( including loading/unloading)

SECTION-A4 HYDRO JET CLEANING OF COMPLETE BOILER PRESSURE PARTS

DIVISIONAL /PRIMARY SUPERHEATER COILS

PLATEN SUPERHEATER COILS

RE-HEATER COILS

WATER WALL (FRONT, REAR, LEFT & RIGHT)

SECTION-B

ASSISTANCE IN THICKNESS MEASUREMENT OF BOILER TUBES, RADIOGRAPHY, OXIDE SCALE MEASUREMENT & STRESS RELEIVING

RECTIFICATION, REPLACEMENT AND REFIXING OF PROTECTION SLEEVE IN VARIOUS AREAS OF BOILER TUBES.

RECTIFICATION, REPLACEMENT AND REFIXING OF CASSETTE BAFFLES IN VARIOUS AREAS OF BOILER TUBES.

EROSION SHIELD

(i) FABRICATION & FIXING OF EROSION SHIELD

(ii)REMOVAL OF EROSION SHIELD

PREPARATION OF BOILER TUBE SURFACE FOR TUBE THICKNESS SURVEY & OXIDE SCALE MEASUREMENT /STRESS RELIEVING

WELDING OF HP JOINTS OF BOILER TUBES

WATER WALL TUBES-SCREEN TUBES, HANGER TUBES, REAR ARCH TUBES ETC.

REPLACEMENT OF WW BURNER TUBES

DIVISIONAL SUPERHEATERS TUBES

PLATEN SUPERHEATER TUBES

LTSH TUBES

ECONOMISER SUPPORT TUBES

SUPERHEATER /LTSH SUPPORT TUBES

SUPERHEATER STEAM COOLED SPACER TUBES

ROOF TUBES

PENDENT REHEATER FRONT & REAR

REHEATER CROSS OVER TUBES

REHEATER STEAM COOLED TUBES

LOWER/UPPER CORNER TRANSITION TUBES

ECONOMISER TUBES

HYDRASTEP

INSTRUMENT PIPING

WELDING OF FIN

RE-ENFORCEMENT OF WELDED JOINTS

ECONOMISER

REHEATER

DRUM VENT

LTSH/SUPERHEATER

WELDING & REPLACEMENT OF DRAIN JOINTS

WELDING & REPLACEMENT OF TRACING LINE/SAMPLING LINE ( 15 NB TO 30 NB JOINTS)

PAD WELDING OF TUBES OF VARIOUS SIZES

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MMX50MM)

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MMX100 MM)

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MMX150 MM)

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MMX300 MM)

ALIGNMENT OF COILS/TUBES/BLOWERS

ALIGNMENT OF TUBES OF SH DIVISIONAL PANEL

ALIGNMENT OF TUBES OF PLATEN SUPERHEATERS

ALIGNMENT OF COIL OF ECONOMISER (UPPER/MIDDLE/LOWER)

ALIGNMENT OF COIL OF LTSH (UPPER/MIDDLE/LOWER)

ALIGNMENT OF REHEATER COIL (FRONT/REAR)

ALIGNMENT OF WALLBLOWERS/SERVICING OF WALL BLOWERS

ALIGNMENT /SERVICING OF LONG RETRACTABLE SOOT BLOWER

CHECKING AND RECTIFICATION OF EXPANSION INDICATOR IN BOILER AREA

ASSISTANCE IN HYDRAULIC TEST OF BOILER PRESSURE PARTS & PREPARATION FOR BOILER LIGHT UP

APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (Gr.A+Gr.C)

APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (Gr.A)

REAR ARCH

SOOT BLOWER AREA

OTHER LOCATIONS

BURNER MOUTH

APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (Gr.C)

PENT HOUSE , DOORS & WINDOWS, MAN HOLE & PEEP HOLE ETC.

DEAD CHAMBER & SCREEN WALL

Flue GAS EROSION PLATE OF LTSH & ECO BEND

COOLING PIPE OF SEAL PLATE

OTHERS AREAS ( LIKE HOPPER HEADER ETC.)

REMOVAL/BREAKING OF DAMAGED REFRACTORY & TRASPORTATION

SECTION -C COMPLETE SERVICING/OVERHAULING OF HP VALVES

GLAND PACKING OF HP VALVES

Upto 25 mm

25 mm to 50 mm

50mm to 100 mm

100 mm to 200 mm

Above 200 mm

COMPLETE SERVICING OF VALVES/NRV (EXCLUDING ACTUATOR):

Upto 25 mm

25 mm to 50 mm

50 mm to 100 mm

100 mm to 200 mm

Above 200 mm

REPLACEMENT OF VALVES/NRV (WELDED TYPE)

Upto 25 mm

25 mm to 50 mm

50 mm to 100 mm

100 mm to 200 mm

SERVICING OF MAIN STEAM STOP VALVES

SECTION -D COMPLETE SERVICING OF SPRING LOADED SAFETY VALVES

BOILER DRUM SV

MAIN STEAM LINES SV

CRH LINES SV

HRH LINES SV

ELECTROMATIC RELIEF VALVE AND PILOT VALVE

CLEANING /REPAIRING OF SAFETY VALVE DRAIN TRAY & LINE

ASSISTANCE IN SAFETY VALVE SETTING

SECTION -E

PREPARATION OF HP TUBE BENDS

REPAIR AND RE-FIXING OF SEAL PLATES/COOLING PIPE OF WATER WALL S-PANEL AT TROUGH SEAL.

REPAIR AND RE-FIXING/LAYING OF REFRACTORY ON COOLING PIPE OF BOTTOM ASH HOPPER.

REPAIR OF PENT HOUSE OF BOILER

Repair of Pent house by patching (without Steel)

DISMANTELING OF STEEL STRUCTURES/INSTALLATION OF NEW STEEL STRUCTURES (WITH STEEL)

REPAIRING OF DEAD CHAMBER

Repair of Dead Chamber by patching

DISMANTELING OF STEEL STRUCTURES/INSTALLATION OF NEW STEEL STRUCTURES (WITH STEEL)

REPAIRING OF ECONOMISER HOPPERS & CONNECTION JOINT DUCTING & MAKING / STREGHTHEN OF THEIR PLATFORMS

REPAIRING OF ECONOMISER CASING

REPAIRING OF BOTTOM ASH HOPPER LINER & SEAL TROUGH INCLUDING FIXING OF DIPPER PLATE

REPAIRING OF FURNACE ZONE & REST OF THE AREAS

WITH STEEL

WITHOUT STEEL

DISMANTELING , INSTALLATION, FABRICATION OF STRUCTURES & MISC. WORKS I.E. CANOPY, BROKEN STAIR/RAILING/DRAIN COVERING

SERVICING , CLENING & REPAIRING OF SAMPLING LINE COOLERS

SERVICING & REPAIRING OF HANGERS & SUPPORTS

SECTION -F

FIXING OF CORROGATED GI SHEET AT BOILER ROOF & OTHER PLACES

SUPPLY OF CORRUGATED SHEET [Size- 1.2mm (Thk.)X750mm (Width)X2500 mm(LENGTH)]

ECONOMISER INLET NON-RETURN VALVE (NRV) (SIZE-550 MM)

PAINTING OF BOILER BASE STRUCTURES

DISPOSAL OF RUBBISH THERMAL INSULATION

SHIFTING OF ECONOMISER COIL FROM ITS POSITION TO ABOVE ECONOMISER HOPPER LEVEL AND AFTER CHECKING & REPAIRING POSITIONING OF SAME

INSULATION WORK

REMOVAL/APPLICATION OF THERMAL INSULATION IN COMPLETE BOILER FROM BOTTOM ASH HOPPER Tom PENT HOUSE

REMOVAL/APPLICATION OF THERMAL INSULATION IN STEAM AND WATER PIPING

REMOVAL/APPLICATION OF THERMAL INSULATION IN ESP

REMOVAL/APPLICATION OF THERMAL INSULATION IN AIR HEATERS & HOPPERS

COAL MILL, FUEL OIL AND ITS STEAM PIPING INCLUDING HEATERS FILTERS ETC.

FLUE GAS & HOT AIR DUCT

SUPPLY OF NEW PLAIN AL SHEET OF 22 G

SHEETING WORK OVER INSULATION (WHERE INSULATION IS IN GOOD CONDITION)

UNITED ENGINEERING

K K POWER CONSTRUCTION