procurement of spare parts of ahp i . e . hopper discharge gate bottom ash slurry line fittings , ash crusher , buffer hopper , rotary feeder , drain pit pumps etc installed at 2x660 mw , sstpp , mppgcl , dongalia , hopper discharge gate , gate wear liners , seal kit with bucket feed gate operating cylinder , gate shaft assy . , ash crusher/clinker grinder , ash crusher anvil plate ( liners ) , ash crusher complete assembly , bottom ash slurry line fittings , 45deg bend - 200 nb , 90deg bend - 200 nb , fly ash extraction system up to surge/buffer hopper , fly ash vacuum extraction line valves , vacuum breaker valves , lower seat of vacuum breaker , fly ash extraction line isolation valve seats , fly ash extraction line isolation valve gates/flaps , fly ash extraction line isolation valve complete assembly , fly ash extraction line fittings ( bends/elbows/laterals ) , lateral - 200 x 200 x 200 nb , lateral - 200 x 200 x 150 nb , bend - 90 deg - 200 nb , bend - 45 deg - 200 nb , bend - 90 deg - 250 nb , bend - 45 deg - 250 nb , rotary feeder , drive sprocket , driven sprocket , fly ash drain pit pump , impeller , shaft sleeve , silo area drain pit pump , impeller , shaft sleeve , ash slurry drain pit pump , impeller , shaft sleeve