bids are invited for excavation for roadway in ordinary rock with hydraulic excavator including cutting and loading in tippers, transporting to embankment site with in all lifts and lead upto 1000 m, trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections as per relevent clauses of section-300 of specification. , construction of granular sub-base by providing well graded material like natural sand crushed gravel or crushed stone having cbr >30, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator or plant mix method at omc, and compacting with vibratory rollers of 80 to 100 kn static weight to achieve the desired density, complete as per clause 401 of specification. total quantity : 609