supplying of materials for construction of valliyil padam pothu kulam supplying stone aggregate ( single size ) 40mm ( nominal size ) , supplying stone aggregate ( single size ) 20mm ( nominal size ) , supplying course sand-zone iii ( m. sandforconcrete work ) including all charges for cost and conveyances, etc. complete , supplyingportland cement ( best quality isi mark ) , supplying concrete mixer for hire 0.25 to 0.40 cum with hopper , supplying vibratorfor hire ( needle type 40 mm ) , supplying twisted steel deformed bars , mild steel tubes hot finished welded type , supplyingstone for masonry work allcost and conveyances, etc. complete , welding by electic plant