the repairing work of different spares of conveyor pulleys, repairing/ machining of crusher rotor shaft and fabrication/machining & heat treatment of input pinion shaft and matching bevel gear of boom conveyor and bucket gear box of old/new stacker/reclaimer of chp, btps, obra. - replacement of shell of following sizes of pulleys: 2 450x1700mm long (10mm shell thickness of m.s. plate): 3 550x1700mm long (10mm shell thickness of m.s. plate) 4 750x1700mm long (12mm shell thickness of m.s. plate) 5 800x1700mm long (12mm shell thickness of m.s. plate) 6 900x1700mm long (12mm shell thickness of m.s. plate) 7 re-shafting of damaged shaft of pulley of following sizes: 8 450x1700mm long (03nos. 85mm dia shaft mat. en-8) 9 550x1700mm long (01no. 100mm, 75mm dia shaft mat. en-8) 10 750x1700mm long (100mm dia shaft mat. en-8) 11 800x1700mm long (100mm dia shaft mat. en-8) 12 fabrication & installation of end plate of following size of pulleys: 13 450x1700mm long (10mm thick end plate m.s.) 14 550x1700mm long (10mm thick end plate m.s.) 15 750x1700mm long (10mm thick end plate m.s.) 16 630x1700mm long (10mm thick end plate m.s.) 17 the work of repairing of crusher rotor shaft of chp, btps. 18 the work of repairing of crusher rotor shaft. 19 the work of fabrication, machining & heat treatment of input pinion shaft and matching bevel gear of boom and bucket gear box of old/new stacker/reclaimer of chp, btps, obra. 20 the work of fabrication, machining & heat treatment of input pinion shaft and matching bevel gear of boom and bucket gear box of old/new stacker/reclaimer of chp, btps, obra.