supply of spares for scrapper feeders of bah unit iii _ 4 items , main drive wheel with keys for bah iii material: wheel -cast steel c55mn75,key-en8) (maindrive wheel with keys as perdrg and sample available at site) , modified submerged wheel assembly for unit iii scrapper feeders. one set consist of13 items: ( as per annexure -i of the specification ) , ‘l’ bracket with washer plate for scrapper feeders of bottom ash hopper unit- iii ..to be fabricated from 300 x 90 mm ms channel and 8 mm thick triangle piece to be welded on both sides and 1 no washer plate. as per drgand sample available at site.. , “u’’ link (connector) with 2 nos ht nut (m16), ht lock nut (m16) 2nos, 2nos spring washers and 2 nosplate washerfor bah iii. material: : c45 for “u’ link washer plate:ms make : indian chains / hindustan parsons ltd / sunrixonly