Details: making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-iii) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation,levelling & dressing & finishing the top smooth
Sector: Police and Internal Security