“W” Type Metal Beam Crash Barrier Single Sided Providing & erecting “W” type metal beam crash barrier single sided comprising of 3mm thick corrugated sheet metal beam rail 70cm above road or ground level fixed on channel vertical post 150x75x5mm spaced 2mtr centre to centre 1.80mtr high, 1.1mtr below road or ground level, all steel parts and fitments to be galvanized by hot dip process, all fittings to conform to IS:1367 & IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150x75x5mm, 330mm long fixed firmly into ground with vertical hydraulic self driving machine for vertical post complete as per approved drawings and technical clause IRC: 119-2015.