Details: crash barrier 55.38a:providing and erecting a "w" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on structural steel c section vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to is:1367 and is:1364, metal beam rail to be fixed on the vertical post with a spacer of structural steel c section 150 x 75 x 5 mm, 330 mm long complete as per clause 811.3. 12.8.d.1.1:plain/reinforced cement concrete in open foundation complete as per drawing and technical specifications <br> pcc grade m25 - using concrete mixer <br> maintanance 2.7.b:dismantling stone masonry as per technical specification clause 202.<br> dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of un
Sector: RDPR