NCTPS I SE MI circle Boiler Maintenance Division Annual Overhaul works for the year 24 25 Specification No 55 24 25

Amount

Charges for transportation, erection of sky climbers equipments and beds (To & Fro). Inclusive of consumables and hire charges for T&P’s.

Charges for erection of sky climbers and dismantling after completion of works. Inclusive of consumables and hire charges for T&P’s. (Each bed having 3mtr length )

Charges for shifting the sky climber inside the furnace for access of water wall front, rear, left and right. Inclusive of consumables and hire charges for T&P’s.

Charges for operation of sky climbers required for various works such as cleaning, burner repairing, tube thickness survey, tube repairing works etc in boiler shifting the sky climber inside the furnace for access of platen super heater coils, inclusive of consumables and hire charges for T&P’s.

Water washing of boiler inter pass area (inclusive of re-heater coils, water wall screen tubes, SH screen tubes etc). Inclusive of consumables and hire charges for T&P’s.

Water washing of boiler First pass water walls inclusive of gooseneck bends area through peepholes. Including cost of consumables and hire charges for T&P's etc.

Water washing of boiler Second pass. Including cost of consumables and hire charges for T&P's.

Removal of heavy lumps of soot deposited on water walls and Burner corner 1, 2, 3 & 4 by using wire brushes/ scrapping with assistance of sky climber. Including cost of consumables and hire charges for T&P's.

Removal of heavy lumps of soot deposited on boiler inter pass Reheater coil by using wire brushes /scrapping with assistance of sky climber. Including cost of consumables and hire charges for T&P's.

Charges for collecting, removal of ash inside the boiler pent house headers and boiler drum area, disposal of ash to the ground floor ash trench. Including cost of consumables and hire charges for T&P's.

Charges for removal of ash from pent house roofing floor and rear arch room, disposal the ash to the ground floor ash trench. Including cost of consumables and hire charges for T&P's.

Charges for removal of ash from Economizer hopper flue gas deflection slope and dispose to ground floor ash trench. Including cost of consumables and hire charges for T&P's.

Charges for removal of ash from boiler front and rear "S" panel enclosure area and dispose to ground floor ash trench. Including cost of consumables and hire charges for T&P's.

Charges for leading, lifting and arranging platform and scaffolding wherever required in the boiler and dismantling after completion of work. Including Consumables and hire charges of T&P's.

ARC FILLING: i) Grinding of Boiler tubes for Arc filling of size 150 x 25 MM² area for 3 Layers ii) Charges IBR Welder for Arc filling of area 25 x 150 MM² by 3 layer. Including Consumables and hire charges of T&P's.

Charges for removal of all solid waste like cotton/wool waste, insulating materials, waste welding rod cut bits, spillage of oil etc. from boiler 0 mtr to 52 mtr floor areas and devoulte metal scrap to central stores/NCTPS-I. (Lorry will be provided by TANGEDCO). Including Consumables and hire charges of T&P's.

Charges for cleaning & Water washing the boiler ground floor area after over hauling of Boiler. Including cost of Consumables and hire charges of T&P's.

NITHYASHREE ENTERPRISES (BID ID -1067821)