replacement / reconditioning of idlers and idler frames of conveyors at q10 berth , w . island , fact-cd . , replacement / reconditioning of idlers and idler frames of conveyors at q10 berth , w . island , fact-cd . , repair the return idlers ( 750 , 1000 , 1200 series ) : remove the damaged rubber discs from the return idlers , cleaning , easing of bearings , reposition the rubber discs with new as per instruction . , fabrication and replacement of return idler holding brackets ( 750 , 1000 , 1200 series ) . : fabricate the return idler holding brackets as per sample with bolting arrangements . dismantle damaged brackets and refix with newly fabricated brackets . , replacement of damaged impact / troughing idlers . ( 750 , 1000 & 1200 series ) . dismantle the damaged impact / troughing idlers from position and reposition with serviced / new impact / troughing idlers . transport the damaged idlers to scrap yard . collecting new idlers from c d store and transporting to w . island is under the scope of contractor . , replacement of damaged return idlers . ( 750 , 1000 & 1200 ) . dismantle the damaged return idlers . from position and reposition with serviced / new return idlers . transport the damaged idlers to scrap yard . collection of new return idlers from c d store and transporting to w . island is under the scope of the contractor . , repair of idler frames ( 750 , 1000 , 1200 ) . repair of conveyor s/a idler and idler frames ( including dismantling and refixing ) as per instruction of engineer in charge for different conveyors at q-10 area . , replacement of idler frames . ( 750 , 1000 , 1200series ) . dismantle the damaged idler frames of various conveyors and refix with new frames . transport the damaged idler frames to scrap yard . collection of new frame from c d store and transporting to w . island is under the scope of contractor .