tender for excavation in earth work in hilly area all height and depths in all kind of soil including saturated soil comprising of mixed soil, ordinary rock and hard rock. 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. rock shall be excavated with chiseling and wedging out rock (where blasting is prohibited). all earth work in cutting/excavation, including rock excavation shall be carried out true to lines, grades, side slopes, width, camber, super elevation and level as shown on drawings or as directed by the engineer-in-charge, in conformity with the requirement of technical specification for rural road, august, 2004 and clause 16.2 of general conditions for contract to achieve designed formation width including hauling and stacking of materials useful for construction at suitable sites and safe disposal of unsuitable cut materials in specified manner, trimming, filling of unevenness, blind age and finishing of the road to specified dimensions or as directed by the engineer-in-charge for smooth riding. the recovery of useful stone that is 309.81 cum. in all cases, @ rupees 300/- cum. 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 contractor, which shall have to be duly compensated by him in all cases.