Work Contract for Preventive Breakdown Maintenance of Boiler Non Pressure part of Unit 1and 2 2x600MW at , SSTPP MPPGCL Dongalia Distt Khandwa

COAL CIRCUIT- SECTION -A(Sr.No.1.01 to1.28)

Complete Overhauling of Coal Mills

Complete Overhauling of Raw Coal Feeder including COC System

Replacement of Coal Feeder Chute

Complete Coal Burner Assembly Replacement

Repair & replacement of Guide pipes of Oil Burner/ Scanner

Replacement of Journal head Assembly with Grinding Roll

Repair, Patching, Hardfacing/Replacement of MDV

Fabrication of Journal Head Liner Support Assembly

Repair/ Replacement of Multi Port Outlet Assembly.

Replacement /Rotation of Pipe (Transition Piece) above MDV

Replacement of Orifice in P.F.Pipe lines

Servicing/Rectification of Feeder Intet Gate, Jamming of Bunker Outlet Gate

Replacement of Worm Shaft Bearing

Replacement of Worm Shaft Oil Seal

Replacement of Main Vertical Shaft Oil Seals

Servicing of Mechanical Face Seal

Repair / Replacement of Air Port Assembly

Servicing of Rollar Journal Assembly

COC Shaft/Sprocket/Chain (Repair/Replacement)

Replacement of Bowl Hub Cover

Alignment of Mill Motor with Gear Box

Replacement of Geared Coupling or Bibby Coupling

Preparation of Quick Erect Scaffolding System (Cup lock System)

Replacement of ceramic lined coal pipe bends /Mill outlet Elbow(MOE)

Replacement of Journal Stop Bush Bolt/Spring Stud bearing(wear sleeve ) of journal compresson spring

Repairing of coal pipe/PF Bends//MOE/FIE

Replacement of straight P.F pipe with or without collar.

Painting of Coal Mill/Support Structure, Gearbox, Heat Exchanger etc.

FAN CIRCUIT-SECTION -B(Sr.No.2.00 to 7.0)

Servicing of ID Fan

Inspection & Servicing of RTL 10" Dodge Sleeve Bearing

Internal, Inspection and Cleaning of Fan

Alignment of ID Fan with motor

Maintenance of Seal Air Fans

Removal and Refixing of Impeller

Servicing of Fan bearing and Coupling Replacement

Alignment of Seal Air Fan with motor

Maintenance of FD/PA Fans

In-Situ Replacement of Grooved Ring/Seal (Actuator End)

Replacement of Grooved Ring/Seal (Driving End)

In-Situ Replacement of Counter Weight & Lever Assembly of Blade Bearing Assembly

Alignment of FD /PA fan with Motor

Repair of Steel Structures Welding of Steel Plate (6 to 20 mm)

Replacement of Bracing Pipes/Protective Angles Inside Duct

Replacement of Beams / Channels inside Ducts

ROTORY AIR PRE HEATER ASSEMBLY -MAINTENANCEOF SEALING SYSTEM OF AIR PREHEATERS,SECTION -C (Sr.No.8.00 to 10.02)

Leveling of Axial Sector Plate

Leveling of HE Radial Sector Plate

H.E.Radial Seals Repair/Replacement & Setting

In-Situ condition repair of Sector Plates

MAINTENANCE OF DRIVE SYSTEM AIR PRE HEATER

Overhauling of Drive Gearbox of Air pre heater

MAINTENANCE OF SOOT BLOWING SYSTEM AIR PRE HEATER

Servicing of Soot Blower Gearbox

Replacement of Lance Tubes & Protection Cover

ELECTROSTATIC PRECIPITATOR (ESP) SECTION -D(Sr.No.11.00 to 11.01)

Internal Cleaning of ESP Fields & Hoppers

MAINTENANCE OF DAMPERS AND GATES SECTION -E(Sr.No.12.00 to 12.07)

Cleaning, Inspection & Seal Replacement of Dampers

Servicing of Dampers

Servicing of Guillotine Gates

Servicing of Actuator Gear Box Assembly

Replacement of Eroded /Damaged Damper

Fabrication & Replacement of Damper Seals

Repair /Servicing of Seal Blowers

IDLE CHARGE SECTION -F(Sr.No.12.00 to 13.01)

Idle charges per month

SHASHI KUMAR AND COMPANY

UNITED ENGINEERING