Annual or Capital Overhauling of Boiler Pressure Parts for Unit No. 1 to 4 of ABL make 210 MW Units including Supply of Horizontal Re-heater coils of PH1 and Economizer Coils PH 2 at SGTPS, MPPGCL, Birsinghpur

Part-A Purchase portion (As per tender schedule)

Design, Engineering, Supply, of Horizontal Re-heater Coils along with all support arrangenents, various bends, erosion shield, cassette baffles and all necessary support as per design of Unit No.1 ABL Make Boiler of PH-I at SGTPS, MPPGCL, Birsinghpur.

Supply of Horizontal Re-heater Bottom Bank coils along with CRH header bend tubes (30° bends, 60° bends and 90° bends ) and all support arrangements (i.e; locking cleats, chairs, section guide, erosion shield of 90 deg.bend etc). Material Specification:- Tube : SA 210 Gr.A1 Size:- Tube : 63.5 (OD)X3.6 (Thickness) & 4.9 mm (Coil Inner Bend) Support attachments: SA 351 Gr.CH20, SA 479 Gr.304 & SA 217 Gr. WC9

Horizontal Re-heater Bottom Banks coil attachments, & other accessories (i.e; locking cleats, chairs, section guide) for 35 Nos. Coils.

Supply of Horizontal Re-heater Middle Bank coils along with all support arrangenents (i.e; locking cleats, chairs, section guide, erossion shields) Material Specification:- Tube : SA 210 Gr.A1 Size:- Tube : 63.5 (OD)X3.6 (Thickness) & 4.9 mm (Inner Bend) Support attachments: SA 351 Gr.CH20, SA 479 Gr.304 & SA 217 Gr. WC9

Horizontal Re-heater Middle Banks coil attachments, & other accessories (i.e; locking cleats, chairs, section guide) for 35 Nos. coils.

Inner, Middle & Outer Bends of Re-heater Bottom & Intermediate Bank Coils Material.- SA 210 Gr.A1 Size:- Tube : 63.5 (OD)X3.6 (Thickness) & 4.9 mm (Coil Inner Bend)

Reheater Bottom & intermedaite bank Coil cassette Baffle Material Cassette Baffle :SA 240 Gr.304 suitable for re-heater bottom & intermediate bank

Protection shield for re-heater bank 90 degree bends Material Protection Shield :SA 240 Gr.304

Design, Engineering, Supply, of Economizer Top & Intermediate bank Coils along with accessories, angle, spectacle, scallop pad, erosion shield, cassette baffles and all necessary support as per design of Unit No.3 & 4 ABL Make Boiler of PH-II at SGTPS, MPPGCL, Birsinghpur.

Supply of Economizer Top Bank Coils (From terminal joint of economizer outlet header to connection joints of Intermediate bank) with angle, spectacle, scallop pad, erosion shield, cassette baffles and all necessary support as per design. Drawing No.-MPPGCL/SGTPS/PH-II/01 TO 03 Material Specification:- Tube : SA 210 Gr.A1 Attachment: SA 387 Gr.22 Cassette Baffle & Protection Shield :SA 240 Gr.304 Size:- Tube : 38.1(OD)X3.66(Thickness) & 4.5 mm (Inner Bend) Attachment :8 mm Thickness, 16 mm Thickness plate Cassette Baffle & Protection Shield :3.0 mm thickness

Supply of Economizer intermedate Bank Coils (From connection joint of top bank coils to connection joints of bottom bank coils) with angle, spectacle, scallop pad, erosion shield, cassette baffles and all necessary support as per design. Drawing No.-MPPGCL/SGTPS/PH-II/04 TO 08 Material Specification:- Tube : SA 210 Gr.A1 Attachment: SA 387 Gr.22 Cassette Baffle & Protection Shield :SA 240 Gr.304 Size:- Tube : 38.1(OD)X3.66(Thickness) & 4.5 mm (Inner Bend) Attachment :8 mm Thickness, 16 mm Thickness plate Cassette Baffle & Protection Shield :3.0 mm thickness

WORK PORTION (As per tender schedule)

Section A

CLEANING OF BOILER

COMPLETE EXTERNAL CLEANING OF BOILER FROM TOP TO BOTTOM

INTERNAL CLEANING OF BOILER IN IIND PASS

CLEANING OF ASH FROM ECONOMISER HOPPER WITH CONNECTING DUCTS

CLEANING OF PENT HOUSE, CAT HOUSE, DEAD CHAMBER

BOTTOM ASH HOPPER CLEANING

PREPARATION OF SCAFFOLDING

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 QUICK ERECT SCAFFOLDING SYSTEM (CUP-LOCK SYSTEM) IN BOILER FURNACE (FROM TOP TO BOTTOM) along with providing cup-lock system by firm

PREPARATION OF SCAFFOLDING IN BOTTOM ASH HOPPER

INSPECTION

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

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

HEADER INSPECTION & INSPACTION OF SPRAY NOZZLE ATTEMPERATOR

INTERNAL INSPECTION & CLEANING OF BOILER DRUM

CLEANING AND REPAIR OF WIND BOX

WITH STEEL

WITHOUT STEEL

REPLACEMENT OF WIND BOX ROOF

WITH STEEL

WITHOUT STEEL

DYE PENETRATION TEST (DP TEST) WITH KIT

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

PLATEN SUPERHEATER COILS.

PENDENT RE-HEATER COILS. (1st & 2nd Stage)

FINAL SUPERHEATER

WATER WALL ( FRONT, REAR, LEFT & RIGHT)

Section B

ASSISTANCE IN RADIOGRAPHY

RECTIFICATION, REPLACEMENT AND REFIXING OF CASSETTE BAFFLES IN VARIOUS AREAS OF BOILER TUBES.

EROSION SHIELD

FABRICATION & FIXING OF EROSION SHIELD

FIXING OF EROSION SHIELD

REMOVAL OF EROSION SHIELD

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.

PRIMARY SUPERHEATER TUBES

PLATEN SUPERHEATER TUBES

FINAL SUPERHEATER TUBES

HORIZONTAL REHEATER FRONT & REAR

PENDANT REHEATER FRONT & REAR

ECONOMIZER TUBES

SLING

RISER

BLEED

STRINGER

HYDRASTEP

INSTRUMENT PIPINGS

WELDING OF FINS

RE-ENFORCEMENT OF WELDED JOINTS

ECONOMISER

SLING

REHEATER

DRUM VENT

LTSH/PSH

WELDING & REPLACEMENT OF DRAIN & VENTS JOINTS

WELDING & REPLACEMENT OF TRACING LINE / SAMPLING LINE

REPLACEMENT OF COILS(ECONOMISER / HORIZONTAL RE-HEATER)

PAD WELDING OF ERODED TUBES OF VARIOUS SIZE

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

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MM X 100MM)

PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MM X 300MM)

ALIGNMENT OF COILS/ TUBES / BLOWERS

ALIGNMENT OF COILS OF SH DIVISIONAL PANEL/FINAL

ALIGNMENT OF COILS OF PLATEN SUPERHEATERS

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

ALIGNMENT OF COIL OF LTSH (UPPER / LOWER) / PRIMARY SH

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

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

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

REAR ARCH

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

COOLING PIPE OF SEAL PLATE (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

COMPLETE SERVICING OF VALVES (EXCLUDING ACTUATOR):

UPTO 25 MM

25 MM TO 50 MM

50 MM TO 100 MM

100 MM TO 200 MM

REPLACEMENT OF VALVES (WELDED TYPE)

UPTO 25 MM

25 MM TO 50 MM

50 MM TO 100 MM

100 MM And Above

SERVICING OF MAIN STEAM STOP VALVE

SERVICING OF SITU VALVE/CONTROL VALVE OF FEED REGULATING STATION

REPLACEMENT OF FEED CONTROL VALVES

Section D

COMPLETE SERVICING OF SPRING LOADED SAFETY VALVES (SV)

BOILER DRUM SV

MAIN STEAM LINES SV

CRH LINES SV

HRH LINES SV

BAS LINE SV

Section E

PREPARATION / FABRICATION OF HP TUBE BENDS

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

REPAIRING SEALING DEAD CHAMBER

REPAIR & SERVICING

BUCKSTAYS

DIAMOND TYPE LOCKS

ROCKERS

REPAIRING OF ECONOMISER HOPPERS & CONNECTION JOINT DUCTING & MAKING / STREGNTHEN OF THEIR PLATEFORM

REPAIRING OF ECONOMIZER CASING

REPAIRING OF BOTTOM ASH HOPPER LINER & SEAL TROUGH INCLUDING FIXING OF DIPPER PLATE

REPAIRING OF FURNACE ZONE & REST OF THE AREAS

WITH STEEL

WITHOUT STEEL

REPAIRING OF SECOND PASS CASING

WITH STEEL

WITHOUT STEEL

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

REPLACEMENT / STRENGTHENING OF BAFFLE PLATE BETWEEN PRIMARY SUPER HEATER & HORIZONTAL RE-HEATER

WITH STEEL

WITHOUT STEEL

REPAIRING/SEALING OF CAT HOUSE

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

REPAIRING OF RE-HEATER & SUPER HEATER AERO DYNAMIC DAMPER INCLUDING TOP / BOTTOM & NEAR BY AREAS

DISPOSAL OF RUBBISH THERMAL INSULATION

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 INAIR HEATER & HOPPER

COAL MILL, FUEL OIL AND ITS STEAM PIPING INCLUDING HEATERS FILTERS ETC.

FLUE GAS & HOT AIR DUCT