Dr.NTTPS,Stage-I

Arranging dummy plate for 1st, 2nd and 3rd series at suction side of ash slurry pumps

Overhaul of Hydroseal Ash slurry disposal pump TypeD-85-D

Overhaul of Hydroseal Ash slurry disposal pump type D-135-8

Draining the existing water and maintain a minimum level in case of passage of water through plug valve in 1st and 2nd Ash slurry pumps during replacing of 1st row ash disposal pump

Metal building up of eroded parts of Hydroseal Ash slurry disposal pumps type D-135-8 and D-85-D

Replacement of V-Belts of D-85-D & D-135-8 of Ash Disposal Pumps

Patch welding work on MS line inside and out side the Ash pump house upto Butterfly valve.

Fabrication of 300 / 400mm spool pieces

Replacement of 300/400 mm damaged spool pieces in ash series

Replacement of damaged 400 NB M.S. Pipe

Replacement of damaged 300 NB M.S pipe

Replacement of damaged 200mm MS pipe with new one

Replacement of damaged 80/100mm MS pipe with new one

Arranging single / double sleeve joints in place of damaged sleeve or hole formed side of the sleeve joint of 400 mm MS/CI pipe in side the ash pump house

Opening of the sleeve joint in the Ash pump house wherever necessary for flushing of the lines to clear the ash settled in the pipes and fixing the same after completion of the work.

Replacement of worn-out / leaking / damaged sleeve gaskets in ash pump house

Removal of accumulated ash back side of the pump house

Overhaul of 300/400 NB Butterfly valves on discharge side of Hydro seal pumps

Replacement of damaged bed bolts of D-135-8 & D-85-D ash slurry pumps

Replacement of liner gasket/shell for D-85-D Ash slurry pumps

Replacing broken / hole formed inner shell of D-85-D & D-135-8 of Ash Disposal Pumps

Replacement of worn-out/damaged 300/400 NB M.S bends

Replacement of worn-out/eroded 300/400NB MS bends in Ash pump house wherever necessary, with fabricated 300/400NB MS bends including fabrication, erection, strengthening/ shrouding and breaking of the existing concrete pedestal.

Extra strengthening of 300/400NB MS bend providing shrouding pipe on bottom position to increase the life of the bend

Replacement of 200mm gate/globe valves

Replacement of 150mm gate/globe valves

Replacement of 100mm gate/globe valves

Replacement of 65mm gate/globe valves

Overhaul of Bliz pump 200 T capacity at ash pump house

Labour charges for overhaul of seal water pumps

Isolation of the sump by closing plug valve, chipping, Cleaning and removing the settled ash on the sides and bottom of the sump, replacing the liner plates, wherever necessary cleaning and agitating nozzles and welding nozzles whenever necessary restoring normalcy by opening the plug valve of Ash slurry sumps 1 & 2.

Chipping the hard settled ash in and around the plug valves seating and in the plug hole, removing the ash and cleaning the valve seat and plug hole

Replacement of 400mm gate/globe valves

Replacement of 300mm gate/globe valves

Upkeeping of Ash Pump House Building and surrounding area.

Replacement of discharge adaptor Joint gasket for D-135-8 Ash slurry pump

Replacement of discharge adaptor piece for D-135-8 Ash slurry pump