procurement of spare parts of ahp of make indure installed at 2x660 mw units , sstpp , dongalia , khandwa , bottom ash handling , bottom ash hopper refractory wall cooling assembly , bottom ash hopper seal trough flushing nozzles , fly ash storage hopper cum separator/esp/silo , fly ash storage silo isolation valve ( below silo ) , fluidising pad for esp hopper , fluidising pad for buffer hopper/ish , fluidising pad for silo , a-01 - 1830 mm long , a-02 - 2433 mm long , a-03 - 3038 mm long , a-04 - 3940 mm long , a-05 - 4846 mm long , water line valves and jetting nozzles , nozzle tips for nozzles in ash slurry jetting , agitation , quenching , flushing service ( 1 set = 40 nos . nozzle tips ) , rotary unloader/ hmdc assy . a435 , spur gear , shaft bearing ( 1 set = 4 nos ) , nozzles , ash slurry disposal pump & drive , complete set of ash slurry pump