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)

Cleaning of Boiler

External Cleaning of Boiler Structure

Internal Cleaning of Pent House

Internal Cleaning of Dead Chamber

Internal Cleaning of Economiser Hopper up to Eco Duct

Internal Cleaning of 2nd pass of Boiler

Transpotation of Ash, Debris and other waste material including loading/unloading

Bottom Ash Hopper cleaning

Preparation of Scaffolding

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

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

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

Welding of HP Joints of Boiler tubes

Economizer Tube / Stringer Tubes

Primary Super Heater

Final Super Heater / Platen Super Heater

Water Wall/Cage wall tube

Horizontal/Pendent Re-heater

Bleed Tubes

Slings Tubes

Hydra Step HP Line

Various Drains & Vents lines

Alignment of Coils/Tubes

Alignment of Economiser Coils

Alignment of Primary Super Heater Coils

Alignment of Horizontal / Pendent Re-heater Coils

REPAIRING OF BOILER

Repairing of Wind Box with Steel

Repairing of Wind Box without Steel

Repairing of Furnace Man Hole / Peep Hole / View Window

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

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

HP VALVES

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

Servicing of spring loaded safety valves (Drum/MS/CRH/HRH/BAS)

MISCELANEOUS

Bend Fabrication

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

Header Inspection and Flushing/Attemperator Nozzle inspection

Assistance in Hydraulic test of boiler

Assistance in Thickness Survey & Radiography

Fixing of Erosion Shield

Application of Cassette Baffle

Welding of Fins

Servicing, Cleaning, Repairing of sampling line of coolers

Application of Refractory - Grade A/ P/C/ Plastic (At any area)

Reinforcement of Welding Joints

Assistant in Safety Valve Setting

Removal and Application of Thermal Insulation

Disposal of Rubish Thermal Insulation

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

With steel

Without Steel

Initial Mobilization Charge

Painting of Boiler structure

Servicing & repairing of Hanges & suport

DYE PENETRATION TEST (DP TEST) WITH KIT (1sq. Inch = 645 sq. mm)

REPAIR & SERVICING

BUCKSTAYS

DIAMOND TYPE LOCKS

ROCKERS

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

CLEANING OF PENT HOUSE, CAT HOUSE, DEAD CHAMBER, WIND BOX

BOTTOM ASH HOPPER CLEANING

PREPARATION OF SCAFFOLDING

BOILER HORIZONTAL PASS (SCREEN TUBES, LTSH TERMINAL, RH/SH)

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

WIND BOX IN ALL FOUR CORNER

CAT HOUSE FOR FRONT/REAR S-PANEL BACKSIDE CHECKING, REPAIRING

BOTTOM ASH HOPPER UP TO S-PANEL TUBES

PREPARATION AND OPERATION OF SKY CLIMBER IN FURNACE

INSPECTION

INSPECTION OF COMPLETE BOILER PRESSURE PARTS (1ST & 2ND PASS)

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

SERVICING OF SECONDARY AIR DAMPERS

DYE PENETRATION TEST (DP TEST) WITH KIT (1sq. Inch = 645 sq. mm)

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

ASSISTANCE IN RADIOGRAPHY

ASSISTANCE IN SAFETY VALVE SETTING

ASSISTANCE IN SOOT BLOWING IN BOILER

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

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 (1000X300X5)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 PANEL TUBES

STEAM COOLED WALL TUBES

DIVISIONAL SUPERHEATER TUBES

PLATEN SUPERHEATER TUBES

SUPERHEATER STEAM COOLED SPACER TUBES

PENDANT REHEATER FRONT & REAR

REHEATER CROSS OVER TUBES

REHEATER STEAM COOLED SPACER TUBES

LTSH TUBES

LTSH SUPPORT TUBES

ECONOMISER TUBES

ECONOMISER SUPPORT TUBES

ROOF TUBES

HEADER STUBS

HYDRASTEP TUBES

INSTRUMENT PIPINGS

WELDING & REPLACEMENT OF DRAIN & VENT JOINTS

WELDING & REPLACEMENT OF SAMPLING LINE

WELDING OF FINS

RE-ENFORCEMENT OF WELDED JOINTS

ALIGNMENT OF COILS/ TUBES / BLOWERS

ALIGNMENT OF COILS OF DIVISIONAL SH PANEL

ALIGNMENT OF COILS OF PLATEN SUPERHEATERS

ALIGNMENT OF REHEATER COIL (FRONT/ REAR)

ALIGNMENT OF COIL OF LTSH (UPPER / LOWER)

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

CHECKING AND RECTIFICATION OF EXPANSION INDICATOR IN BOILER AREA

GLAND PACKING OF HP/LP VALVES

UPTO 25 MM

25 MM TO 50 MM

50MM TO 100 MM

ABOVE 100 MM

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

UPTO 25 MM

25 MM TO 50 MM

50 MM TO 100 MM

ABOVE 100 MM

REPLACEMENT OF HP/LP VALVES (WELDED TYPE)

UPTO 25 MM

25 MM TO 50 MM

50 MM TO 100 MM

ABOVE 100 MM

ASSISTANT IN REMOVAL/INSTALLATION OF ACTUATORS OF HP 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 AND RE-FIXING OF SEAL PLATES OF S-PANEL AT BOTTOM ASH HOPPER

REPAIR AND RE-FIXING OF REFRACTORY 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)

REPAIR OF WIND BOX

REPAIR OF WIND BOX 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 CAT HOUSE

REPAIR OF CAT HOUSE 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.

SERVICING, CLEANING & REPAIRING OF SAMPLING LINE COOLERS

CLEANING, SERVICING & REPAIRING OF HANGERS & SUPPORTS

FIXING OF CORRUGATED GI SHEET AT BOILER ROOF & OTHER PLACES

PAINTING OF BOILER BASE STRUCTURE & ASSOSIATED AUXILIARIES

APPLICATION OF REFRACTORY

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

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

REMOVAL / BREAKING OF DAMAGED REFRACTORY & TRANSPORTATION

THERMAL INSULATION WORK

REMOVAL & APPLICATION OF THERMAL INSULATION (THICKNESS 100 MM)

REMOVAL & APPLICATION OF THERMAL INSULATION (THICKNESS 50 MM)

DISPOSAL OF RUBBISH THERMAL INSULATION

UNITED ENGINEERING