upkeepment of conveyors & its related equipments , attending preventive maintenance works in conveyor 43, 46, rc-1, bfd 9a&9b, pc 1a&1b - charges for clearing the spillage coal on walkway return side under the belt to the entire length of the conveyor, deck sheet, head end and tail end of the conveyor-43, 46, rc-1, bfd-9a & 9b and primary crusher floor including hire charges for t&p etc., complete. charges for assisting work for providing belt joint in slope conveyor- 43, 46, bfd-9a&9b, rc-1 including arresting the belt by providing clamps, lifting the counter weight, dismantling the idlers and idler frames and skirt board assembly and refixing the same after vulcanizing the joint including t&p hire charges and cost of consumables etc., complete. charges for assisting work for pulley lagging works in conveyors-43, 46, rc-1 bfd-9a & 9b including arresting the conveyor belt lifting the counter weight and normalizing the system after pulley lagging, trial operation including t&p hire charges and cost of consumables etc., complete. charges for overhauling and inspection of pulley bearings and replacement if necessary in tail pulley / tail snub pulley / bend pulley and take up movable pulley in conveyors-43, 46, bfd-9a&9b, rc-1 including arresting the conveyor belt, lifting the counter weight and normalizing, the system after bearing, overhauling, trial operation including the cost of consumables and t&p hire charges etc., complete. charges for overhauling and inspection of pulley bearing and replacement if necessary in head pulley / head snub pulley / drive pulley in conveyors 43, 46, bfd-9a & 9b and rc-1, including arresting the conveyor belt, lifting the counter weight and normalizing, the system after bearing overhauling, trial operation including the cost of consumables and t&p hire charges etc., complete. charges for overhauling and inspection of gear / resilient coupling in conveyors- 43 & 46 and including arresting the conveyor belt, lifting the counter weight, dismantling the gear coupling, removal of old grease, cleaning the gear teethes, arranging for inspection, packing the new grease and normalizing the system, trial operation including the cost of consumables and t&p hire charges etc., complete.