Overhauling of bottom ash disposal system, air blowers along with its associated auxiliaries, Removal casting of refractory and rotation of 200 250NB CI MS ash slurry and fly ash Pipelines during overhauling of unit No.06, 2x250 MW PTPP Parichha.

Amount

Repairing and overhauling of clinker grinder with their drive mechanism.

Repairing and overhauling of gear box type H2 140 premium make 15.4:1 of bottom ash hopper

Repairing and overhauling of gear box type H1 160 premium make 1.35:1 of ash slurry pump.

Repairing and overhauling of fluidomat make constant speed fluid coupling type T12/06 traction type.

Repairing and overhauling of fluidomat make SC9 Variable speed fluid coupling.

Repairing and overhauling of bottom ash hopper feed gate with roller assembly.

Repairing of bulged plate by straightening/ replacement of plate of bottom ash hopper

Running welding on crack/weak welding joints of bottom ash hopper

Fabrication and fixing of hooks inside the bottom ash hopper .

Providing and removing of scaffolding for carrying above works in bottom ash hopper.

Removal of old and damaged refractory of bottom ash hopper and shifting it to dump yard or as per direction of Engineer in charge .

Casting of new castable /Pourable refractory in bottom ash hopper .

Repairing & complete overhauling of compressed air blowers of unit no. 6, 2x250 MW.

Painting with synthetic enamel of BAH of unit No.6

Rotation of 200 NB CI ash slurry pipe line from bottom ash hopper to ash slurry sump including reassembling/ replacement of sleeve coupling and bends upto ash slurry sump.

Rotation of 250NB MS ash slurry pipe line from CT tower to ash slurry sump

Repairing/Reassembling/Replacement of 250NB MS Pipe and 200NB sleeve coupling , bends, Y-piece with fasteners.

Dismantling and shifting power cylinders of ash in take valves, branch isolation valves , vacuum conveying line valves, ash slurry pump suction and discharge valve from site to workshop and installation from workshop to site.

Repairing and overhauling of power cylinders of ash intake valves, branch isolation valves, vacuum conveying line valves, ash slurry pump suction and discharge valves.

Servicing of outlet gates of ESP , rectification of defects , if any

Repairing/Reassembling/Replacement of 200NB sleeve coupling , bends with fasteners .

Rotation of 200NB CI/MS ash pipe line of ESP hopper of ash handling system of unit No.6 of 2x250 MW .

M/s GARG ENGINEERING & SONS (BID ID -5061549)