Work of overhauling, servicing & repairing of Air Preheater and its connected system of Boiler 2 X 250 MW Unit No. 3 & 4 during AOH/COH/RSD/FSD at Sikka TPS.

Removing, Cleaning of Cold End Basket as per Scope of Work of Schedule - A.

Removing / Reversing of HOT End Basket as per Scope of Work of Schedule - A.

Removing /reversing of HOT Intermediate End Basket as per Scope of Work of Schedule - A.

Replacement of HOT End Basket including Segregating, Loading, Transportation, Unloading and Lifting of Hot End Baskets from Main Store to APH Platform as per Scope of Work of Schedule – A.

Replacement of HOT Intermediate End basket including Segregating, Loading, Transportation, Unloading and Lifting of Hot / Intermediate End Baskets from Main Store to APH Platform as per Scope of Work of Schedule – A.

Replacing / Repairing of Cold End Basket Inner Grating and Outer Grating as per Scope of Work of Schedule – A.

Work of Repairing of APH Housing with Door as per Scope of Work of Schedule - A.

Work of repairing of APH Hot end and Cold end center section and repairing of Seal Air Housing Axial Seal Plate, Rotor Post Radial Diaphragm, Rotor Shell etc. as per Scope of Work of Schedule - A.

Repair of Diaphragm of APH Sector which includes Cutting / Welding / Support Welding etc. Scope of Work of Schedule - A.

Work of Seal Air Housing Repairing / Replacement as per Scope of Work of Schedule - A.

Providing of Kao-Wool in Board as per Scope of Work Schedule - A.

Work of Leveling of APH Rotor as per Scope of Work of Schedule-A.

Work of Replacing Damaged Adjuster Rods / Tracking Rod Assembly as per Scope of Work of Schedule - A.

Work of Leveling of Hot End Sector Plate and Leveling of Cold End Sector Plate of APH as per Scope Of Work of Schedule - A.

Work of Repairing of Cold End Sector Plates as per Scope of Work of Schedule – A.

Work of Repairing of Hot End Sector Plates as per Scope of Work of Schedule - A.

Measuring and Recording Various Clearances (12 Checks per APH) of APH System / Component and Leveling of APH Rotor as per Scope of Work of Schedule – A.

Replacing and Setting of Complete Set of Hot End Radial Seals with Installing the End Seal Tabs as per Scope of Work of Schedule – A.

Replacing and Setting of Complete set of Cold End Radial Seals with Installing the End Seal Tabs as per Scope of Work of Schedule – A.

Replacing and Installing of New Static Seals for Sector Plate and Axial Seal Plate as per Scope of Work of Schedule – A.

Replacing and Setting of Each of Bypass Seals of Hot End and Cold End as per Scope of Work of Schedule – A.

Work of Setting / Adjusting the Circuitry of Axial Seal Plate with Servicing of existing Rod Assembly and Replacing and Setting of Complete Set of Axial Seals and fixing of End Seal Tabs as per Scope of Work of Schedule - A.

Replacement of Hot End and Cold End “T" Bar with Setting of its Run Out and Locking of Ends as per Scope Of Work of Schedule - A.

Replacement of Rotor Angle as per Scope of Work of Schedule - A.

Work of Servicing of Guide Bearing and Support Bearing Lube Oil System as per Scope of Work of Schedule - A.

Work of Servicing APH Soot Blower System including Replacement of Header as per Scope of Work of Schedule - A.

Work of Servicing of Guide Bearing Assemblies as per Scope of Work of Schedule - A.

Replacement of Damage Guide Bearing as per Scope of Work of Schedule - A.

Work of Servicing of Support Bearing Assemblies as per Scope of Work of Schedule - A.

Replacement of Damage Support Bearing as per Scope of Work of Schedule - A.

Charges for Main Drive Gear Box Old Oil Draining / Flushing and New Oil Replacing as per Scope of Work of Schedule - A.

Main Drive Gear Box Overhauling of APH as per Scope of Work of Schedule - A.

Replacement of gear box as per scope of work of Schedule A

Replacement of Pins as per Scope of Work of Schedule -A.

Replacement of Pins Racks Assembly as per Scope of Work of Schedule -A.

Replacement of Trunion Shaft of Guide Bearing of APH as per Scope of Work of Schedule A.

Supply, Providing and Fixing of Various Size of MS Bolts, Nut And Washer as per Scope of Work of Schedule A.

Work of Various Fabrication / Patch Work Inside Air Preheater as per Requirement Scope of Work of Schedule A.

Application of refractory as per scope of work and instruction of EIC

Work of labour charges for alignment of APH fluid coupling as per schedule-A & as per instruction of EIC

Replacement of Sector plate in Air Preheater (Tri Sector 27.5 VIMT 2000) as per Scope of work and instruction of EIC

Mobilization and demobilization charges for worker/manpower for the work (i.e. Traveling charges to and fro)

Work of cleaning of APH Basket by high pressure water jetting pump as per scope of work of Schedule A