tender for work of installing cc interlocking in the raw part of kanha gaushala situated on raibha marg - e/w in cutting or in filling with its cartage up to 05 km all complete. 2 construction of granular sub-base(g. s. b.) by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at omc, and compacting with vibratory roller to achieve the desired density, complete as per clause 401. 3 supply & laying of i shaped (zigzag) precast lnterlocking tiles of thickness 60 to 100mm (compressive strength not less then 30mpa and weight 4.50k9) lncluding 0.30mm thick local sand base levelling and dressing of surface to required level and slope, filling joints with local sand all complete work. pwd sor ch. 20 si no.17 4 providing and laying cement concrete in 1:2:4 (1 cement : 2 coarse sand :4 graded stone aggregate 20 mm nominal size) and curing complete, lncluding cost of form work. ln foundation and floors. pwd sor ch. 5 si no.6