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

SECTION-A (SrNo. 1.00 to 1.17)

COMPLETE EXTERNAL CLEANING OF BOILER FROM TOP TO BOTTOM

INTERNAL CLEANING OF BOILER IN IIND PASS

CLEANING OF ASH FROM ECONOMISER HOPPER & DEAD CHAMBER

CLEANING OF PENT HOUSE, CAT HOUSE

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

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

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

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

Preparation of Scaffolding in WIND BOX

CLEANING AND 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 in Bottom Ash Hopper

SECTION-B (SrNo. 2.00 to 18.00)

RECTIFICATION, REPLACEMENT AND REFIXING OF PROTECTION SLEEVE 9SHIELDING)/CASSETTE BAFFLES IN VARIOUS AREAS OF BOILER TUBES.

PREPARATION OF BOILER TUBE SURFACE FOR TUBE THICKNESS SURVEY

WELDING OF HP JOINTS 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

ECONOMISER TUBES

ALIGNMENT OF TUBES OF SH DIVISIONAL PANEL

ALIGNMENT OF TUBES OF PLATEN SUPERHEATERS

ALIGNMENT OF COIL OF ECONOMISER

ALIGNMENT OF COIL OF LTSH

ALIGNMENT OF REHEATER COIL

WELDING OF FINS

RE-ENFORCEMENT OF WELDED JOINTS

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50mmX150mm)

INTERNAL INSPECTION & CLEANING OF BOILER DRUM

CHECKING AND RECTIFICATION OF SUPPORTS/HANGERS OF CRITICAL PIPE LINES

CHECKING AND RECTIFICATION OF EXPANSION INDICATOR IN BOILER AREA

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

BOTTOM ASH HOPPER GR-C

PENT HOUSE ( Inside & outside) , DOORS & WINDOWS ETC. GR.-C

MAN HOLES, PEEP HOLES GR-A

Flue gas erosion protection plate of LTSH & ECO Bends (Gr.C)

Soot Blower Area (Gr.A)

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

SECTION -C COMPLETE SERVICING/OVERHAULING OF HP VALVES(SrNo. 19.00 to 21.00)

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

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 (SrNo. 23.00 to 25.00)

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

Dismanteling of Steel Structures/Installation of new steel structures

REPAIRING OF DEAD CHAMBER

Repair of Dead Chamber by patching

Dismanteling of Steel Structures/Installation of new steel structures

SECTION -F

ALIGNMENT OF WALLBLOWERS/SERVICING OF WALL BLOWERS

ALIGNMENT /SERVICING OF LONG RETRACTABLE SOOT BLOWER

SECTION -G

SERVICING OF MAIN STEAM STOP VALVE

SECTION-H

CLEANING OF EMEGENCY COOLING WATER SUPPLY TANK FOR BCW MOTOR

SECTION-I

Fixing of Corrugated GI Sheet at Boiler Roof & other places

Supply of Corrugated Sheet [Size- 1.2mm (Thk.)X750mm (Width)X2500 mm(Length)]

Economizer Inlet Non-Return Valve (NRV) servicing ( Size-550 MM)

Inspection of Complete Desuperheater Assly. Of Superheater

K K POWER CONSTRUCTION