NCTPS II MI Circle BM Division Unit I 600MW Boiler Removal and cleaning of accumulated ash from

Boiler II pass cleaning : This work comprises of cleaning the ash in SH coils, economizer coils and steam cooled walls using wire brush and compressed air. Charges inclusive of consumables & T&P's.

Removal of accumulated ash in penthouse, roof, ceiling gurder and rear arch enclosure : Charges for Removal of accumulated ash inside the boiler pent house, I & II pass boiler roof, ceiling gurder, drum enclosure area between I Pass & II Pass & Rear arch area of various higher elevation of Boiler, scrapping of sticking ash from all the boiler tube surfaces skin casing top surfaces boiler tube header surfaces using scrapping plates and wire brushes, etc, inside the highly ash polluted and unapproachable pent house area. Charges inclusive of consumables & T&P's.

Loading & Transporting to the area and disposing the Ash as per the direction of Engineer-in-charge.

Charges for complete removal of ash accumulated in boiler buck stays from 12 Mtrs to 78 Mtrs on all sides and all elevations, wind box area and burner area etc. including burner protection roof at both sides of boiler. Charges inclusive of consumables & T&P's.

Identification of ash leakage in the first pass pent house area and other areas of boiler first pass. Charges inclusive of consumables & T&P's.

Identification of ash leakage in the second pass pent house area and other areas of boiler second pass. Charges inclusive of consumables & T&P's.

Boiler outside structure water washing :Charges for cleaning of Boiler structures up to 80Mtr Elevation by water jet washing on all four sides : Charges for transportation of fire fighting hoses, nozzles, valves and other material from stores to site at various location and fitting to the site hydrant points at various elevations and cleaning of all four sides of Boiler structures, outer casing of I & II pass, floor grills upto 80mtr level and return back after completion of work. Charges inclusive of transportation, consumables and T&Ps.