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. providing and fixing aluminium tower bolts isi marked anodised (anodic coating not less than grade ac 10 as per is : 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete :150x10 mm providing and fixing aluminium handles isi marked anodised (anodic coating not less than grade ac 10 as per is : 1868) transparent or dyed to required colour or shade with necessary screws etc. complete 100 mm providing and fixing factory made p.v.c. door frame of size 50x47 mm with awall thickness of 5 mm, made out of extruded 5mm rigid pvc foam sheet, mitred at corners and
Sector: Police and Internal Security