Main Boiler breakdown maintenance and round the clock checking for two years

Amount

Servicing of oil gun guide assy at AB, CD & EF elevation by replacement of damaged parts by new one.

Repairing of eroded adjustable coal nozzle tip when the same is lying outside

Repairing of eroded coal nozzle when the same is lying outside

Replacement of coal burner assy. by new/repaired one.

Replacement of oil gun assy at AB, CD & EF elevation by new/ repaired one.

Repairing of guide assembly at elevation AB, CD & EF.

Repairing/replacement of scanner guide assly.

Repair/replacement of scanner and opening the bolts of flange & taking it out.

Repair/Refitting of scanner guide assembly.

Replacement of air nozzle by new/repaired one.

Repairing of buldge/burnt air nozzles.

Repairing & replacement of defective/burnt air nozzle.

Servicing of secondary air damper in wind box.

Repairing of secondary air damper in wind box.

Repairing of Manhole of boiler.

Replacement of packing of manholes.

Repairing of Boiler Peep Holes.

Replacement of packing of Boiler peep holes.

Providing pin of spring/hanger supports of feed line,steam lines.

Furnace Ceiling repairing by cutting & welding in Pent House.

Welding of Hot & cold primary & secondary air ducts.

Alignment and fixing of supports of hot air ducts.

Laying of HP steam/water pipelines of dia 15 mm to 100 mm.

Two coat hard facing (One horizontal & one vertical at the distance of ½” on any equipment).

Cleaning & disposal of fly ash and foreign material Wind box (Right)

Cleaning & disposal of fly ash and foreign material Wind box (Left)

Cleaning & disposal of fly ash and foreign material Cat house (Front & rear)

Removal fly ash from economizer chamber at 35 M/L.

Removing fly ash from the gallery between Re-heater & arch tubes.

Removing fly ash form the gallery between exit super heater & hanger tubes of convective super heater.

Removing fly ash from second pass.

Removing fly ash from the gallery between platen super heater and cold reheat headers in pent house

Removing fly ash from the galleries in left & right of the pent house, between water tubes & skin cashing.

Removing fly ash from the gallery between cold reheat and hot reheat header in pent house.

Cleaning of riser tube economizer water wall & connecting tubes of super heaters by means of wire brush and old clothes.

Alignment and providing proper supports to rods of buck stay furnace economizer & super heater zone from 16 M/L to 48 M/L in boiler.

Rectification of guide pipe & plates of hydraulic seals at all the four sides above bottom ash hopper.

Rectification of hinge supports of wind box of boiler at 19 M/L (L&R).

Rectification of Tie Rods in Pent House of 48 M/L side at boiler.

Servicing & repairing of hanger supports of Main steam, cold reheat,hot reheat, feed line and down corners of boiler form 13 M/L to 54 M/L.

Making coal compartment assly by making coal nozzles with seal plate & adjustable seal nozzle SS tips.

Replacement of worn out and damaged railing of boiler from zero meter to 54 M/L by old & used economizer tubes.

Repairing/replacement of corner attachment of water wall and super heater.

Alignment of buck stay beam (Horizontal & Vertical) from 8 M/L to 48 M/L.

Strengthening & alignment of scanner angles of furnace.

Cleaning & disposal of fly ash and foreign material From Dog House

Cleaning & disposal of fly ash and foreign material Above furnace top and inside Pent House.

Cleaning & disposal of fly ash and foreign material Below drum inside the Pent House.

Servicing/Overhauling of fill pump.

Servicing/Overhauling of Washing Pump

Shifting washing pump from 10th Unit Boiler 16 mtr, corner no.1 to 12th Unit Boiler 16 mtr, corner no.1 & then after completion of work again shifting to 10th Unit.

Fitting of chucker plates/plates/new/old grills with supporting ‘I’ beams/Channels /angles up to 150 mm by replacements.

Replacements of ‘I’ beams/Channels 200/250 mm size of the required length up to 5m long of platform by cutting and welding.

Replacements of ‘I’ Beams of size 300 mm and above of required length up to 5m long of platform by cutting and welding.

Fabrication and Repairing of ladders.

Cleaning of Filter of Scanner Fan

Replacement of scanner Fan Impeller

Round the clock Checking of Boiler, Oil Gun Cleaning/ replacement, Cleaning of coal dust from furnace zone for Unit 9, 10 &11.

Round the clock Checking of Boiler, Oil Gun Cleaning/ replacement, Cleaning of coal dust from furnace zone for Unit 12&13

KIRAN CONSTRUCTION COMPANY