tender for complete overhauling of rotary air lock valve , complete overhauling of plate valves of following sizes_300 mm nb , complete overhauling of plate valves of following sizes_200 mm nb , servicing of wet isolation valve and material handling valve , servicing or replacement of butter fly valves of 50 mm nb , servicing or replacement of butter fly valves of 65 to 80 mm nb , servicing or replacement of butter fly valves of 150 mm nb , servicing or replacement of gate valves of 25mm nb , servicing or replacement of gate valves of 50mm nb , servicing or replacement of gate valves of 80mm nb , replacement or refiting of sluice ways liners of 12 inch size , overhauling of medium and small size flushing pans , overhauling of large size flushing pans , complete overhauling of fluidizing valve of esp hopper , servicing of fluidizing pads installed in side the esp hoppers , desilting and cleaning of 50 mm nb lp water inlet pipe line , desilting and cleaning of lp water inlet pipe line header of size_65 and 80 and 100 and 150 mm nb , dismantling of transition pipe of size 200 mm nb , removal of choking of chimney hoppers , painting of apparatus and connected pipe lines etc of esp area, complete work of esp bottom ash evacuation system of unit 4 anpara, complete overhauling of rotary air lock valve, chain, sprocket drive etc. by checking, replacement & cleaning of all parts from nde side to de side., complete overhauling of plate valves of following sizes including of worn out part sgaskets 300 mm nb, complete overhauling of plate valves of following sizes including of worn out parts gaskets 200 mm nb, servicing of wet isolation valve or material handling valve including replacement of slide plate and disc, servicing / replacement of butter fly valves of following sizes 50 mm nb, servicing or replacement of butter fly valves of following sizes 65 to80 mm nb, servicing or replacement of butter fly valves of following sizes 150 mm nb, servicing or replacement of gate valves installed in service water line of following sizes 25 mm nb, servicing or replacement of gate valves installed in service water line of following sizes 50 mm nb, servicing replacement of gate valves installed in service water line of following sizes 80 mm nb, replacement or refiting of sluice ways liners of 12 inch size, overhauling of medium or small size flushing pans by repairing or replacement of liners and nozzles ,nozzle pipe,base plate, man hole cover to discharge end pipe by cutting and welding., overhauling of large size flushing pans by repairing ,replacement of liners and nozzles,nozzle pipe,base plate, man hole cover to discharge end pipe by cutting and welding, complete overhauling of fluidizing valve of esp hopper by dismantling the pipe, sevicing of air line valves, repairing,replacement of worn out parts., servicing of fluidizing pads installed in side the esp hoppers by dismantling, cleaning of membrane ,strainer etc and refitting., desilting and cleaning of 50 mm nb lp water inlet pipe line of large, medium & small size flushing pan by dismantling and refitting., desilting and cleaning of lp water inlet pipe line header of size 65,80,100,150 mm nb by dismantling and refitting., dismantling of transition pipe of size 200 mm nb of medium,small size flushing pans for washing of electrodes of esp during overhauling ,long shut down of unit and refitting, removal of choking of chimney hoppers by inserting pressurising water jet through the by pass opening, poking and evacuation of ash heap including of cleaning of sprinkled ash / slurry in the ground floor of chimney hopper area., painting of large,medium,small size flushing apparatus, transition pipes, expansion bellows, fg and ah apparatus and connected pipe lines etc of esp area.
