tender for earthwork in excavation for structures as per drawing and technical specification clause 305.1 including setting out construction of shoring and bracing ,removal of stumps and other deleterious materials and disposal upto all leads and lifts dressing of sides and bottom and backfilling in trenches with excaveted suitable materials as per mord specification directed by engineer-in- charge , providing and laying concrete for plain /reinforced concret in open foundation complete as per drawings and technical specifications mord clause 802,803, 1202 &1203 . plain cement concrete nominal mix 1:5:10 (1 cement: 5 sand :10 aggregates-40mm)including carriage of materials in all leads and lifts. and as per the direction of engineer-in- charge , backfilling behind abutment wing wall and retaining wall complete as per drawings & technical specification clause 1204.3.8 including carriage of materials in all leads, lifts.and as per the direction of engineer-in- charge , providing and laying 100mm dia metre pvc pipe for wheep holes complete of approved quality including carriage of material within all leads, lifts and as per the direction of engineer-in- charge , excavation in earthwork in hilly area by mechanical means all hights and depth, 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 stabality of hill side . the recovery of useful stone that is 13.41 cubic meter in all cases falling which recovery @ rupees 300/- only (rupees three hundereed only) per cubic metre shall be effected on prorata basis.any loss to the public and private property during the course of execution shall be the absolute responsibility of the contractor, which shall have to be duly compensated by him in all cases.