Overhauling of Furnace Bottom Ash Disposal System of Unit No 5 of 2X500 MW BTPS Anpara

Amount

Complete servicing of Ash Gate hydraulic cylinder with connected oil actuator and oil supply

Servicing of furnace bottom ash hopper gate with roller assembly.

Dismantling and replacement /reversing and refitting of flight bar with new / workable/repaired flight bar & successful trial run of SSC.

Repairing of bent & distorted flight bars with the help of heating torch and hydraulic jack

Repairing & re-strengthening by welding on different sizes of pipes, ash hopper casing, SSC body etc. double coat (run) with suitable welding electrode.

Replacement/servicing of bearing of Head end shaft assy. And alignment if required & successful trial run.

Replacement/servicing of bearing of head end snub shaft/bottom trough shaft//tail end shaft, alignment of rollers and successful trial run.

Replacement of Hydraulic cylinder of chain tensioning unit.

Repairing/replacement of damaged oil pipe lines of hydraulic chain tensioning unit/ ash gate actuator by cutting it with grinder preparation of 'V' for welding & welding with suitable electrode

Replacement of defective oil hose pipe of hydraulic chain tensioning unit/ ash gate actuator, clinker grinder/ SSC hydraulic motor etc.

Overhauling of Head shaft assembly /replacement of defective parts with new /old healthy parts.

Complete servicing /replacement of damaged parts of top trough stub shaft assy. Including cover plate.

Alignment of old chain/replacement of chain of SSC with new one.

Servicing/Replacement of old/damaged oil pump of clinker grinder and its successful. trial run & successful trial run.

Servicing/Replacement of oil pump of hopper ash gate & its successful trial run.

Servicing/Replacement of oil pump of SSC & its successful trial run.

Cleaning of seal trough of boiler

Evacuation of SSC body in case of breakdown by taking out all the ash/ clinker manually.

Complete overhauling of clinker grinder.

Cleaning of inner & outer filters.

Servicing of hydraulic motor of clinker grinder & its successful trial run.

Servicing of hydraulic motor of SSC & its successful trial run.

Repairing of damaged cast able refractory after chipping the damaged portion in furnace bottom ash hopper

Provide scaffolding inside the complete bottom ash hopper for different works in FBAD system.

Removal of clinker grinder with complete hydraulic motor assy. From its position for maintenance works and replacing the same on its position after completion of work

Repairing of trough rollers.

Repairing /servicing /replacement of quenching nozzle body.

Repairing /servicing of sight peep holes

Cleaning/ Flushing of bottom ash hopper spray drain collecting pipe.

Removal of SSC complete assy. from its position for maintenance works & replacing the same on its original position thereafter. It also includes servicing of travelling wheels of the SSC body.

Servicing of valves of water line of FBAD system.

Replacement of hydraulic motor of SSC.

Removal of chocking of furnace bottom ash hopper.

Fabrication and erection of steel structures to facilitate the various maintenance works of furnace ash disposal system.

Repairing/servicing/ replacement of rollers of snub/idler shaft of bottom trough & tail end shaft.

Repairing /fabrication &erection of grating at the discharge of ash/ clinker from the SSC to the clinker grinder

Flushing of cooling pipe line for oil cooler and bush bearing of stub Shaft assembly.

Repairing/fabrication &erection of liner plate near head end shaft /return idler shaft.

Patch work on worn out portion of furnace bottom ash hopper, discharge chute of SSC body over the clinker grinder and clinker grinder chute.

Fixing of new tiles/M.S. Plate in place of worn out tiles over the mother plate of SSC.

Repairing /servicing/replacement of bearing housing & its assembly of top trough stub shaft assy.

Replacement of old, used and worn out snub/tail end/idler shaft of SSC.

Fixing of wire mesh with fixing clamp at the refractory portion in furnace bottom ash hopper of SSC body.

Repairing and straightening of bulged/ eroded submerged scrapper conveyor body.

Complete overhauling of Hydraulic Motor (MA-141) of submerged scrapper conveyor body.

Replacement of new/repaired furnace bottom ash hopper gate of FBAD System.

Dismantling, Servicing, Fabrication/Repairing of damaged parts assembling of hydraulically operated Bottom Ash Hopper Discharge Gate.

Fabrication and erection of furnace bottom ash hopper (inner &outer) Chute.

Fabrication and erection of chute and body of clinker grinder of FBAD System.

M/S NISHA ENTERPRISES

SHAKSHI ENGINEERING CO.