Annual Overhauling of Boiler Pressure part of unit 1and 2 at 2x600MW SSTPP MPPGCL Dongalia Distt Khandwa

SSTPP,Dongalia

COMPLETE EXTERNAL CLEANING OF BOILER FROM TOP TO BOTTOM.

INTERNAL CLEANING OF BOILER IN IInd PASS

CLEANING OF ASH FROM ECONOMISER HOPPER & DEAD CHAMBER

PREPARATION OF SCAFFOLDING IN BOILER HORIZONTAL PASS (SCREEN TUBES)

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

PREPERATION OF QUICK ERECT SCAFFOLDING SYSTEM ( CUP-LOCKS SYSTEM) IN BOILER FURNACE.

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

INSPECTION OF COMPLETE BOILER PRESSURE PART ( Ist & IInd PASS)

INSPECTION AND REPAIR OF All DOORS WINDOWS AND PEEP HOLES IN BOILER

Cleaning & REPAIR OF WIND BOX

SERVICING OF SECONDARY AIR DAMPERS

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

Dye Penetration Test (DP Test)

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

Preparation of Scaffolding for REPAIR AND RE-FIXING OF SEAL PLATES/COOLING PIPE OF WATER WALL S-PANEL AT TROUGH SEAL

SECTION-B

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

PREPARATION OF BOILER TUBE SURFACE FOR TUBE THICKNESS SURVEY

WELDING OF HP JOINT OF BOILER TUBES

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

LTSH TUBES

ECONOMISER SUPPORT TUBES

LTSH SUPPORT TUBES

SUPERHEATER STEAM COOLED SPACER TUBES

Reheater Front & Rear

Roof Tubes

REHEATER CROSS OVER TUBES

REHEATER STEAM COOLED TUBES

Lower /Upper Corner Transition Tubes

REPLACEMENT OF WW BURNER TUBES

ECONOMIZER TUBES

ALIGNMENT OF TUBES OF SH DIVISIONAL PANEL

ALIGNMENT OF TUBES OF PLATEN SUPER HEATERS

ALIGNMENT OF COILS OF ECONOMISER

ALIGNMENT OF LTSH COILS

ALIGNMENT OF REHEATER COIL

WELDING OF FINS

RE-ENFORCEMENT OF WELDED JOINTS

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( Size 50mm x 150mm)

INTERNAL INSPECTION & CLEANING OF BOILER DRUM

CHECKING AND RECTIFICATION OF SUPPORTS/HANGERS OF CRITICAL PIPE LINES

RECTIFICATION/REPLACEMENT OF EXPANSION INDICATOR IN BOILER AREA

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

BOTTOM ASH HOPPER-GR-C.

PENT HOUSE, DOOR & WINDOWS. ETC. -GR-C

MANHOLES PEEPHOLES GR-A

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

SECTION-CCOMPLETE SERVICING/OVERHAULING OF HP VALVES

GLAND PACKING OF H.P.VALVES

Upto 25 mm

25 mm to 50 mm

50 mm 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

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

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

REPAIRING OF DEAD CHAMBER

SECTION-F

ALIGNMENT OF WALLBLOWERS

ALIGNMENT OF LONG RETRACTABLE SOOT BLOWER

SERVICING OF WALL BLOWERS/LRSB

SECTION-G

APPLICATION OF THERMAL INSULATION

COMPLETE BOILER FROM BOTTOM ASH HOPPER TO PENT HOUSE

STEAM AND WATER PIPING

AIR HEATER & HOPPER

FUEL OIL AND ITS STEAM PIPING INCLUDING HEATERS FILTERS ETC.

SECTION-H

SERVICING OF MAIN SREAM STOP VALVE

SECTION-I

CLEANING OF EMEGENCY COOLING WATER SUPPLY TANK FOR BCW MOTOR

K K POWER CONSTRUCTION

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