Annual Overhauling of Boiler pressure part and its auxiliaries of Unit 5, at SGTPS, MPPGCL, Birsinghpur.

Section A

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

CLEANING OF EMERGENCY COOLING WATER SUPPLY TANK FOR BCW MOTOR

BOTTOM ASH HOPPER CLEANING

CLEANING OF PENT HOUSE ROOF

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

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

INSPECTION

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

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

INSPECTION OF RING HEADER & REFIXING/REPLACEMENT OF STRAINERS & ORIFICES

INTERNAL INSPECTION & CLEANING OF BOILER DRUM

CLEANING AND REPAIR OF WIND BOX

WITH STEEL

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)

HYDRO JET CLEANING OF COMPLETE BOILER PRESSURE PARTS AND AIR - PREHEATER IN THE BOILER

DIVISIONAL / PRIMARY SUPERHEATER COILS

PLATEN SUPERHEATER COILS.

RE-HEATER COILS.

WATER WALL ( FRONT, REAR, LEFT & RIGHT)

Section B

ASSISTANCE IN RADIOGRAPHY

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

RECTIFICATION, REPLACEMENT AND REFIXING OF CASSETTE BAFFLES IN VARIOUS AREAS OF 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

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)

ALIGNMENT & 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 PART & 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 (GRADE A)

REAR ARCH

SOOT BOLWER AREA

OTHER LOCATIONS

BURNER MOUTH

APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (GRADE C)

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

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 (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 (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 VALVES

SERVICING OF MAIN STEAM STOP VALVE

Section D

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

Section E

PREPARATION / FABRICATION OF HP TUBE BENDS

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

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

INSTALLATION OF MITP

SERVICING, CLEANING & REPAIRING OF SAMPLING LINE COOLERS

SERVICING & REPAIRING OF HANGERS & SUPPORTS

Section F

FIXING OF CORRUGATED GI SHEET AT BOILER ROOF & OTHER PLACES

PAINTING OF BOILER BASE STRUCTURE

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

K K POWER CONSTRUCTION

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