re tender for purchase and supply of construction materials - mgnregs , road , stone for masonry work , pvc pipe 50 mm outer dia. 10 kgf/cm2 , portland cement , portland cement , fine sand (zone iv) , quarry waste , stone aggregate(single size):20 mm nominal size , stone aggregate(single size): 10 mm nominal size , coarse sand (zone iii) , individual asset , stone aggregate(single size): 40 mm nominal size , stone aggregate(single size):20 mm nominal size , stone aggregate(single size): 10 mm nominal size , coarse sand (zone iii) , portland cement , structural steel such as tees, angles, channels and r.s. joists , red oxide zinc chromate primer , galvanised wire mesh of average width of aperture 1.4 and nominal dia. of wire 0.63 mm , wire nails , gi trafford profile sheet 0.35mm thick , bitumen washer , stainless steel screws 50 mm , 200 mm aluminium aldrop , laterite stone of size 35x20x20cm , aracanut post , fine sand (zone iv)