hiring of hemm for removal of ob and extraction and transportation of coal at sayal d ocp of barka sayal area for a period of 04 years , hiring of hemm for drilling , blasting , loading , transportation of coal from quarry face of sayal-d ocp to pit head stock ( chp gate & inside ) , dozing face and coal dump and other specified places , grading and water sprinkling on haul road , preparation & maintenance of haul road & dewatering of working faces including weighment at sayal-d weigh bridge as per instruction of engineer in charge of sayal-d ocp ( lead 2-3 km ) , hiring of hemm for drilling , blasting , loading , transportation of coal from coal faces of sayal-d ocp to departmental mobile crusher , saunda b siding , dozing face and coal dump and other specified places , grading and water sprinkling on haul road , preparation & maintenance of haul road & dewatering of working faces including weighment at both end ( k . k . weigh bridge & saunda b siding weigh bridge ) as per instruction of engineer in charge of sayal-d ocp . ( lead 5-6 km ) , hiring of hemm for drilling , blasting , loading , transportation of coal from coal faces of sayal-d ocp to departmental mobile crusher , saunda b siding , dozing face and coal dump and other specified places , grading and water sprinkling on haul road , preparation & maintenance of haul road & dewatering of working faces including weighment at both end ( k . k . weigh bridge & saunda b siding weigh bridge ) as per instruction of engineer in charge of sayal-d ocp ( lead 6-7 km ) , hiring of hemm for removal of ob for all kinds of soil/ rocks ( consisting of top soil , alluvium soil , blast rock , etc ) including blast hole drilling & blasting as per requirement , excavation of ob strata , loading & transportation of excavated ob , dumping in dump yard , dozing , grading , leveling at dump sites including face & other specified places , preparation & maintenance of haul roads & dewatering of working faces , water sprinkling on haul road as per instruction of the engineer-in-charge of sayal d ocp ( lead 1-2 km ) , hiring of hemm for removal of ob for all kinds of soil/ rocks ( consisting of top soil , alluvium soil , blast rock , etc ) including blast hole drilling & blasting as per requirement , excavation of ob strata , loading & transportation of excavated ob , dumping in dump yard , dozing , grading , leveling at dump sites including face & other specified places , preparation & maintenance of haul roads & dewatering of working faces , water sprinkling on haul road as per instruction of the engineer-in-charge of sayal d ocp ( lead 2-3 km ) , hiring of hemm for removal of ob for all kinds of strata not requiring blasting ( consisting of top soil , alluvium soil etc . ) including excavation of ob , loading & transportation of excavated ob , dumping in dump yard , dozing , grading , leveling at dump sites including face & other specified places , preparation & maintenance of haul roads & dewatering of working faces , water sprinkling on haul road as per instruction of the engineer-in-charge of sayal d ocp ( lead 2-3 km ) , total impact of gst for the purpose of ctc