hiring of hemm for removal of ob hiring of hemm for removal of ob for all kinds of soil/rocks consisting of top soil , alluvium soil , blast rock , etcincluding blast hole drilling and blasting as per requirement , excavation of ob strata , loading and transportation of excavated ob , 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 and 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 akkocp in a period of 3 ( three ) months , 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 and 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 akkocp in a period of 3 ( three ) months , total impact of gst for the purpose of ctc