clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, including removal and disposal of top organic soil not exceeding 150 mm in thickness including all labour, hire charges of all machineries, barricading, maintenance of diversion road, loading & unloading, lead, lift,transportation, with all incidental charges, etc., complete as per specification and as directed by the engineer in charge of work by manual means:- in area of light jungle