tender for excavation in earth work by mechanical in all heights and depths in all kinds of soils, including saturated soils comprising of mixed soil, oridinary rock and hard rock and all work of rock cutting by blasting shall be carried out by taking all necessary precautions against soil erosion, damage to hill side,water pollution,etc. and to protect stability of hill side, the track shall be excavated with chiseling and wedging out rock(where blasting is prohibted) all earth work in cutting/excavation, including rock excavation shall be carried out true lines, grades dides, slopes,width,camber,super elevation and level as shown on the drawings or as directed by engineer in charge, in conformity with the requirement of technical specification for rural road, clause 1603.1 and 1603.2 of general conditions for contract to achieve designed formation width including hauling and stacking of materilas useful for construction at suitable sites and safe disposal and dumping to be arranged by the contractor of unsuitable materials in specified manner, trimming filling of uneveness, blindage and finishing of the road to specified dimensions or as directed by the engineer in charge for smooth riding. the recovery for stones , whether useful or not, for 67.01 cum () shall be made in all cases, otherwise recovery at the rate of rupies 300/- only (rupies three hundred only) per cubic metre shall be effected on pro-rata basis. any loss to the public and private property during the course of excavation shall be the absolute responsibility of the contractors, which shall compensated by him inall cases. , preparation of sub-grade by dressing to camber (earth work for the cutting involved for sub-grade to be paid for separately depending upon the classification of soil.)as per direction of engineer-in-charge with in all leads and lifts and other incidentals. , consolidation of sub-grade with road roller including making good the undulation etc.with earth or quarry soil etc. with ea