Routine Preventive and breakdown maintenance operation general upkeep and overhauling of Plant Air Instrument Air Compressor IHI (Japan) make its accessories and Ventilation System installed at TG Hall Switch Gear Rooms C.W. Pump House Compressor H

Amount

PART - A (Routine Maintenance of Compressor )

Daily/Shift-wise maintenance of 07 No’s Air compressors, compressed air system round the clock

Part-B (Preventive & Breakdown Maintenance)

Preventive /Breakdown Maintenance of following equipment

Inter-cooler/After-cooler

Pre-filter and After-filter

Dryer, valves & accessories

Air Receivers

Preventive/Breakdown maintenance of air compressors valves

Inspection and attending leakage and breakdown of piston and cylinder liner of compressor.

LP/HP Piston

LP/HP cylinder liner

Servicing and attending fault of lub oil system including all parts e.g. filter cooler, strainer, pump pipe line.

Decoupling, alignment and coupling of plant air compressor motor with compressor.

PART - C (Overhauling Maintenance of Compressor)

Overhauling maintenance and trial run of following equipments.

Plant air compressor

Instrument air compressor

Air Dryer, Pre-filter, After-filter

Painting & polishing of following equipment after their overhauling.

Plant air compressor

Instrument air compressor

Air Dryer, Pre-filter, After-filter

Servicing, repairing of valve seats of valves & NRVs of Instrument & Plant Air Line. (Size-75mm-200mm)

PART-D (Routine Maintenance Work of Ventilation System)

Operation of ventilation system /equipment installed at T.G. Hall, Switch Gear Rooms. CW Pump House, Compressor House, Lifts machine rooms etc. of 2X500 MW BTPS Anpara. (Except Coal handling and simulator building)

Cleaning of Aluminum viscous air filters covering whole area of BTPS except Coal Handling & Training simulator of following sizes:

(600x600x25), (600x500x25), (500x500x25) mm

Cleaning of dry fabric air filters (inside ‘BTPS’ main building only) of following sizes: -

(600x600x25), (600x500x25),(500x500x25) mm

Cleaning of panels, birds’ screens, silencers, wall cowls, duct, grills etc. with equipment / system as per scope of work.

Routine maintenance of ventilation system of dry fly ash system Cleaning of fabric filter (Monthly)

Cleaning of metallic filter Size:540mmx540mmx50mm (28X12 Job)

Cleaning of fabric filter Size:540mmx540mmx50mm (28X12 Job)

PART - E (Breakdown Maintenance of Ventilation System)

Complete overhauling of following equipment (without rewinding of motors)

Exhaust/supply centrifugal fans of capacity ranging from 1800 to 16500 CMH (0.75 to 5.5KW)

Exhaust/supply Tube Axial fans of capacity ranging from 116 to 21900 CMH (0.65 to 3.7 KW)

Exhaust/supply propeller fans of capacity ranging from 190 to 11400 CMH (0.2 to 1.5 KW)

Roof extractor unit fans of capacity ranging from 2700 to 48000CMH (0.4 to 7.5 KW

Ventilation Fan of DFA System (0.75 to 1.1 KW)

Repairing of fabric filters

THE UNIVERSAL CONSTRUCTION

M/S USHA ENTERPRISES