OT 10 Coarse Ash

Removing the expansion bellows, Expansion joints, wornout asbestos gland packing (20MM), Spool pieces, Plate valves from the Eco hopper, Replacing/ Reconditioning the worn out parts, servicing the plate valves (200mm & 400mm), assembling the expansion joints with new asbestos gland packing (20mm), expansion bellows, replacing the wornout spool pieces, fixing the plate valves with new gaskets to the ECO hopper, replacing all the bolts & nuts with washers and all other consumables , T&Ps required etc.,

Removing the 200 NB dome valve, Top plate, dismantling the dome valve internals such as dome, seal ring, seal, Spigot ring, V-ring, O-Rings, Shafts, Bearings, Bush, Dome valve housing internals etc,. Replacing/ Reconditioning the wornout internals servicing the valves, assembling the dome, seal ring, seal, V-ring, O-Rings, Top plate, Bearings, Bush to the dome valve housing, replacing all the bolt & nuts with washer, including hire charges for special tools, T&P’s required, all other consumables and other Safety appliances required etc.,

Dismantling the conveying air lines, Flushing the lines, checking the lines for any leakages and servicing all the valves in the lines assembling the line with new gaskets and replacing the worn out valves and fixing the valves back into its position and commissioning the lines including the cost of hire charges for special tools and other T&P required and consumables.

Cleaning & clearing the chocked / accumulated ash inside the Eco ducts by scraping the ash to Eco hoppers, Dismantling the Dome valves, Spool pieces and clearing the ash from Eco hopper bottom, Clearing the collected ash from Eco hopper elevation to '0' mtr elevation as per the direction of the Engineer - in-charge including the charges for all required consumables and T&Ps required etc.,

Dismantling of existing heavily wornout 125NB Coarse ash conveying pipe lines from Eco hopper to buffer hopper including the charges for all required consumables, scaffolding etc.,

Dismantling of existing heavily wornout 125NB Coarse ash conveying lines 900 bend from Eco hopper to buffer hopper and renewal the new 900 bend , including the charges for all required consumables etc.,

Transporting the ERW pipe from MTPS-II/ Central stores to Eco hopper area and erection of 125NB New M.S ERW pipes from Eco hopper to buffer hopper for Coarse Ash conveying lines with suitable joints & welding the flange for coupling , transporting and devolution of all dismantled materials to stores as directed by the Engineer - in-Charge, including the hire charges for crane/ lorry etc.,

Labour charges for welding eroded initial welding joints in the Eco Hopper above 2 mtr level (including the cost of welding electrodes) and charges for all required consumables etc.,