Work contract for Annual Preventive/Breakdown maintenance of Boiler Pressure parts of unit no. 1 to 4 of 210 MW Units and Unit No. 5 of 500 MW Unit at SGTPS, MPPGCL ,Birsinghpur

PH-I AND II (4X210 MW)

Replacement of HP Valve size upto 25 mm

Servicing of HP Valve size upto 25 mm

Gland Packing of HP Valve size upto 25 mm

Replacement of HP Valve size above 25 to 100 mm

Servicing of HP Valve size above 25 to 100 mm

Gland Packing of HP Valve above 25 to 100 mm

Replacement of HP Valve size above 100 mm

Servicing of HP Valve size above 100 mm

Gland Packing of HP Valves size above 100 mm

Attending of Economizer Tube / Stringer Tubes Leakage

Attending of Primary Super Heater Leakage

Attending of Final Super Heater / Platen Super Heater Leakage

Attending of Water Wall/Cage wall tube Leakage

Attending of Re-heater Leakage

Attending of Bleed Tubes Leakage

Attending of Slings Tubes Leakage

Attending of Hydra Step HP Joints

Attending of Various Drains & Vents Leakage

Bend Fabrication

Welding on Eroded Tubes size (50 x 50) sq.mm

Welding on Eroded Tubes size (50 x 100) sq.mm

Welding on Eroded Tubes size (50 x 300) sq.mm

Header Inspection and Flushing/Attemperator Nozzle inspection

Fixing of Erosion Shield

Fabrication of Erosion Shield

Reinforcement of Welding Joints (Eco. / Drum Vent etc. )

Assistance in Thickness Survey & Radiography

Repairing of Wind Box with Steel

Repairing of Wind Box without Steel

Repairing of Furnace Man Hole / Peep Hole / View Window

Cleaning of Economiser Hopper / Ducts

Repairing of Skin Casing / Hoppers & Support of Furnace with Steel

Repairing of Skin Casing / Hoppers & Support of Furnace without Steel

Alignment of Economiser Coils

Alignment of Primary Super Heater Coils

Alignment of Horizontal / Pendent Re-heater Coils

Welding of Fins

Application of Cassette Baffle

Preparation of Scaffolding above Goose Neck for Inspection of Pendent Re-heater / Final / Platen Super Heater

Preparation of scaffolding from bottom ash hopper to goose neck/roof

External Cleaning of Boiler Structure

Application of Refractory (At any area)

Cleaning of Pent House

Cleaning of Dead Chamber

Dismantling, Installation, Fabrication of Structure & Misc. Work i.e. Canopy, Broken Stair / Railing / Drain Covering etc.

Application of Thermal Insulation

Cleaning and Disposal of Fly Ash / Coarse Ash Debris upto the suitable place i.e. Ash Dyke etc.

Assistant in Safety Valve Setting

Initial Mobilization Charge

Painting of Boiler structure

PH-III 1X500 MW

CLEANING OF BOILER

COMPLETE EXTERNAL CLEANING OF BOILER FROM TOP TO BOTTOM

INTERNAL CLEANING OF BOILER IN SECOND PASS

CLEANING OF ASH FROM ECONOMISER HOPPER WITH CONNECTING DUCTS

CLEANING OF PENT HOUSE, CAT HOUSE, DEAD CHAMBER, ARCH TUBES

BOTTOM ASH HOPPER CLEANING

PREPARATION OF SCAFFOLDING

PREPARATION OF SCAFFOLDING IN BOILER HORIZONTAL PASS (SCREEN TUBES, LTSH TERMINAL, RH/SH)

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

PREPARATION OF SCAFFOLDING IN WIND BOX

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

PREPARATION OF SCAFFOLDING IN BOTTOM ASH HOPPER

PREPARATION AND OPERATION OF SKY CLIMBER IN FURNACE

INSPECTION

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

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

INSPECTION & SERVICING OF SECONDARY AIR DAMPERS IN WIND BOX

DYE PENETRATION TEST (DP TEST) WITH KIT

TRANSPORTATION OF ASH, SCRAPS, DEBRIES AND OTHER WASTE MATERIALS ( INCLUDING LOADING/UNLOADING)

ASSISTANCE IN RADIOGRAPHY

RECTIFICATION, REPLACEMENT & REFIXING OF PROTECTION SHIELDING OVER BOILER TUBES.

RECTIFICATION, REPLACEMENT AND REFIXING OF CASSETTE BAFFLES OVER BOILER TUBES.

REPAIR & REFIXING OF PROTECTION PLATE OVER LTSH/ECO COIL BENDS (1000X30X5)MM

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 SUPERHEATER TUBES

PLATEN SUPERHEATER TUBES

ECONOMISER TUBES

LTSH TUBES

ECONOMISER SUPPORT TUBES

SUPERHEATER / LTSH SUPPORT TUBES

SUPERHEATER STEAM COOLED SPACER TUBES

ROOF TUBES

PENDANT REHEATER FRONT & REAR

REHEATER CROSS OVER TUBES

REHEATER STEAM COOLED TUBES

LOWER/UPPER CORNER TRANSITION TUBES

HYDRASTEP

INSTRUMENT PIPINGS

WELDING & REPLACEMENT OF DRAIN & VENT JOINTS

WELDING & REPLACEMENT OF TRACING LINE / SAMPLING LINE

WELDING OF FINS

RE-ENFORCEMENT OF WELDED JOINTS

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MM X 150MM)

ALIGNMENT OF COILS/ TUBES / BLOWERS

ALIGNMENT OF COILS OF SH DIVISIONAL PANEL/FINAL SH

ALIGNMENT OF COILS OF PLATEN SUPERHEATERS

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

ALIGNMENT OF COIL OF LTSH/ PRIMARY SUPER-HEATER(UPPER / LOWER)

ALIGNMENT OF REHEATER COIL (FRONT/ REAR/HORIZONTAL/PENDENT)

CHECKING AND RECTIFICATION OF EXPANSION INDICATOR IN BOILER AREA

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

ASSISTANT IN SAFETY VALVE SETTING

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

REAR ARCH

SOOT BOLWER AREA

BURNER MOUTH

OTHER LOCATIONS

APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (GR. C / GR. P)

PENT HOUSE, DOOR, WINDOW MANHOLE & PEEPHOLE, ETC

DEAD CHAMBER & SCREEN VALVE

FLUE GAS EROSION PLATE OF LTSH & ECO BEND

COOLING PIPE OF SEAL PLATE OF BOTTOM ASH HOPPER

OTHER AREAS (LIKE HOPPER HEADER ETC.)

REMOVAL / BREAKING OF DAMAGED REFRACTORY & TRANSPORTATION

GLAND PACKING OF HP/LP VALVES

UPTO 25 MM

25 MM TO 50 MM

50MM TO 100 MM

100 MM TO 200 MM

ABOVE 200 MM

COMPLETE SERVICING OF HP/LP VALVES (EXCLUDING ACTUATOR):

UPTO 25 MM

25 MM TO 50 MM

50MM TO 100 MM

100 MM TO 200 MM

ABOVE 200 MM

REPLACEMENT OF HP/LP VALVES (WELDED TYPE)

UPTO 25 MM

25 MM TO 50 MM

50 MM TO 100 MM

100 MM TO 200 MM

ASSISTANT IN REMOVAL/INSTALLATION OF ACTUATORS OF HP/LP VALVES

SERVICING OF MAIN STEAM STOP VALVE

COMPLETE SERVICING OF SPRING LOADED SAFETY VALVES (SV)

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

PREPARATION / FABRICATION OF HP TUBE BENDS

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

CLEANING AND REPAIR OF WIND BOX

REPAIR OF WIND BOX BY PATCHING (WITHOUT STEEL)

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

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

REPAIR & SERVICING

BUCKSTAYS

DIAMOND TYPE LOCKS

ROCKERS

DISMNETLING, INSTALLATION, FEBRICATION OF STRUTURE & MISC. WORKS I.E. CANOPY, BROKEN STAIR/RAILING/DRAIN COVERING ETC.

REPAIRING OF CAT HOUSE

WITH STEEL

WITHOUT STEEL

SERVICING, CLEANING & REPAIRING OF SAMPLING LINE COOLERS

SERVICING & REPAIRING OF HANGERS & SUPPORTS

FIXING OF CORRUGATED GI SHEET AT BOILER ROOF & OTHER PLACES

PAINTING OF BOILER BASE STRUCTURE & ASSOSIATED AUXILIARIES

DISPOSAL OF RUBBISH THERMAL INSULATION

THERMAL INSULATION WORK

REMOVAL & APPLICATION OF THERMAL INSULATION IN COMPLETE BOILER FROM BOTTOM ASH HOPPER TO 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 HEATER & HOPPER

REMOVAL & APPLICATION OF THERMAL INSULATION IN COAL MILL, FUEL OIL AND ITS STEAM PIPING INCLUDING HEATERS FILTERS ETC.

REMOVAL & APPLICATION OF THERMAL INSULATION IN FLUE GAS & HOT AIR DUCT

UNITED ENGINEERING

K K POWER CONSTRUCTION